Merge pull request #4153 from fidencio/wip/first-round-of-backports-for-2.4.1

stable-2.4 | First round of backports for the 2.4.1 release

.github/workflows/release.yaml

@@ -26,6 +26,7 @@ jobs:
 
       - name: Build ${{ matrix.asset }}
         run: |
+          ./tools/packaging/kata-deploy/local-build/kata-deploy-copy-yq-installer.sh
           ./tools/packaging/kata-deploy/local-build/kata-deploy-binaries-in-docker.sh --build="${KATA_ASSET}"
           build_dir=$(readlink -f build)
           # store-artifact does not work with symlink

.gitignore

@@ -9,4 +9,5 @@ src/agent/src/version.rs
 src/agent/kata-agent.service
 src/agent/protocols/src/*.rs
 !src/agent/protocols/src/lib.rs
+build
 

docs/design/kata-2-0-metrics.md

@@ -51,6 +51,7 @@ The `kata-monitor` management agent should be started on each node where the Kat
 > **Note**: a *node* running Kata containers will be either a single host system or a worker node belonging to a K8s cluster capable of running Kata pods.
 
 - Aggregate sandbox metrics running on the node, adding the `sandbox_id` label to them.
+- Attach the additional `cri_uid`, `cri_name` and `cri_namespace` labels to the sandbox metrics, tracking the `uid`, `name` and `namespace` Kubernetes pod metadata.
 - Expose a new Prometheus target, allowing all node metrics coming from the Kata shim to be collected by Prometheus indirectly. This simplifies the targets count in Prometheus and avoids exposing shim's metrics by `ip:port`.
 
 Only one `kata-monitor` process runs in each node.

src/agent/rustjail/src/cgroups/fs/mod.rs

@@ -391,7 +391,7 @@ fn set_memory_resources(cg: &cgroups::Cgroup, memory: &LinuxMemory, update: bool
 
     if let Some(swappiness) = memory.swappiness {
         if (0..=100).contains(&swappiness) {
-            mem_controller.set_swappiness(swappiness as u64)?;
+            mem_controller.set_swappiness(swappiness)?;
         } else {
             return Err(anyhow!(
                 "invalid value:{}. valid memory swappiness range is 0-100",

src/agent/rustjail/src/lib.rs

@@ -265,7 +265,7 @@ pub fn resources_grpc_to_oci(res: &grpc::LinuxResources) -> oci::LinuxResources
             swap: Some(mem.Swap),
             kernel: Some(mem.Kernel),
             kernel_tcp: Some(mem.KernelTCP),
-            swappiness: Some(mem.Swappiness as i64),
+            swappiness: Some(mem.Swappiness),
             disable_oom_killer: Some(mem.DisableOOMKiller),
         })
     } else {

src/agent/src/mount.rs

@@ -16,7 +16,7 @@ use std::sync::Arc;
 use tokio::sync::Mutex;
 
 use nix::mount::MsFlags;
-use nix::unistd::Gid;
+use nix::unistd::{Gid, Uid};
 
 use regex::Regex;
 
@@ -29,6 +29,7 @@ use crate::device::{
 use crate::linux_abi::*;
 use crate::pci;
 use crate::protocols::agent::Storage;
+use crate::protocols::types::FSGroupChangePolicy;
 use crate::Sandbox;
 #[cfg(target_arch = "s390x")]
 use crate::{ccw, device::get_virtio_blk_ccw_device_name};
@@ -43,6 +44,11 @@ pub const MOUNT_GUEST_TAG: &str = "kataShared";
 // Allocating an FSGroup that owns the pod's volumes
 const FS_GID: &str = "fsgid";
 
+const RW_MASK: u32 = 0o660;
+const RO_MASK: u32 = 0o440;
+const EXEC_MASK: u32 = 0o110;
+const MODE_SETGID: u32 = 0o2000;
+
 #[rustfmt::skip]
 lazy_static! {
     pub static ref FLAGS: HashMap<&'static str, (bool, MsFlags)> = {
@@ -222,7 +228,7 @@ async fn ephemeral_storage_handler(
             let meta = fs::metadata(&storage.mount_point)?;
             let mut permission = meta.permissions();
 
-            let o_mode = meta.mode() | 0o2000;
+            let o_mode = meta.mode() | MODE_SETGID;
             permission.set_mode(o_mode);
             fs::set_permissions(&storage.mount_point, permission)?;
         }
@@ -272,7 +278,7 @@ async fn local_storage_handler(
 
         if need_set_fsgid {
             // set SetGid mode mask.
-            o_mode |= 0o2000;
+            o_mode |= MODE_SETGID;
         }
         permission.set_mode(o_mode);
 
@@ -321,26 +327,39 @@ fn allocate_hugepages(logger: &Logger, options: &[String]) -> Result<()> {
 
     // sysfs entry is always of the form hugepages-${pagesize}kB
     // Ref: https://www.kernel.org/doc/Documentation/vm/hugetlbpage.txt
-    let path = Path::new(SYS_FS_HUGEPAGES_PREFIX).join(format!("hugepages-{}kB", pagesize / 1024));
-
-    if !path.exists() {
-        fs::create_dir_all(&path).context("create hugepages-size directory")?;
-    }
+    let path = Path::new(SYS_FS_HUGEPAGES_PREFIX)
+        .join(format!("hugepages-{}kB", pagesize / 1024))
+        .join("nr_hugepages");
 
     // write numpages to nr_hugepages file.
-    let path = path.join("nr_hugepages");
     let numpages = format!("{}", size / pagesize);
     info!(logger, "write {} pages to {:?}", &numpages, &path);
 
     let mut file = OpenOptions::new()
         .write(true)
-        .create(true)
         .open(&path)
         .context(format!("open nr_hugepages directory {:?}", &path))?;
 
     file.write_all(numpages.as_bytes())
         .context(format!("write nr_hugepages failed: {:?}", &path))?;
 
+    // Even if the write succeeds, the kernel isn't guaranteed to be
+    // able to allocate all the pages we requested.  Verify that it
+    // did.
+    let verify = fs::read_to_string(&path).context(format!("reading {:?}", &path))?;
+    let allocated = verify
+        .trim_end()
+        .parse::<u64>()
+        .map_err(|_| anyhow!("Unexpected text {:?} in {:?}", &verify, &path))?;
+    if allocated != size / pagesize {
+        return Err(anyhow!(
+            "Only allocated {} of {} hugepages of size {}",
+            allocated,
+            numpages,
+            pagesize
+        ));
+    }
+
     Ok(())
 }
 
@@ -476,7 +495,9 @@ fn common_storage_handler(logger: &Logger, storage: &Storage) -> Result<String>
     // Mount the storage device.
     let mount_point = storage.mount_point.to_string();
 
-    mount_storage(logger, storage).and(Ok(mount_point))
+    mount_storage(logger, storage)?;
+    set_ownership(logger, storage)?;
+    Ok(mount_point)
 }
 
 // nvdimm_storage_handler handles the storage for NVDIMM driver.
@@ -560,6 +581,91 @@ fn mount_storage(logger: &Logger, storage: &Storage) -> Result<()> {
     )
 }
 
+#[instrument]
+pub fn set_ownership(logger: &Logger, storage: &Storage) -> Result<()> {
+    let logger = logger.new(o!("subsystem" => "mount", "fn" => "set_ownership"));
+
+    // If fsGroup is not set, skip performing ownership change
+    if storage.fs_group.is_none() {
+        return Ok(());
+    }
+    let fs_group = storage.get_fs_group();
+
+    let mut read_only = false;
+    let opts_vec: Vec<String> = storage.options.to_vec();
+    if opts_vec.contains(&String::from("ro")) {
+        read_only = true;
+    }
+
+    let mount_path = Path::new(&storage.mount_point);
+    let metadata = mount_path.metadata().map_err(|err| {
+        error!(logger, "failed to obtain metadata for mount path";
+            "mount-path" => mount_path.to_str(),
+            "error" => err.to_string(),
+        );
+        err
+    })?;
+
+    if fs_group.group_change_policy == FSGroupChangePolicy::OnRootMismatch
+        && metadata.gid() == fs_group.group_id
+    {
+        let mut mask = if read_only { RO_MASK } else { RW_MASK };
+        mask |= EXEC_MASK;
+
+        // With fsGroup change policy to OnRootMismatch, if the current
+        // gid of the mount path root directory matches the desired gid
+        // and the current permission of mount path root directory is correct,
+        // then ownership change will be skipped.
+        let current_mode = metadata.permissions().mode();
+        if (mask & current_mode == mask) && (current_mode & MODE_SETGID != 0) {
+            info!(logger, "skipping ownership change for volume";
+                "mount-path" => mount_path.to_str(),
+                "fs-group" => fs_group.group_id.to_string(),
+            );
+            return Ok(());
+        }
+    }
+
+    info!(logger, "performing recursive ownership change";
+        "mount-path" => mount_path.to_str(),
+        "fs-group" => fs_group.group_id.to_string(),
+    );
+    recursive_ownership_change(
+        mount_path,
+        None,
+        Some(Gid::from_raw(fs_group.group_id)),
+        read_only,
+    )
+}
+
+#[instrument]
+pub fn recursive_ownership_change(
+    path: &Path,
+    uid: Option<Uid>,
+    gid: Option<Gid>,
+    read_only: bool,
+) -> Result<()> {
+    let mut mask = if read_only { RO_MASK } else { RW_MASK };
+    if path.is_dir() {
+        for entry in fs::read_dir(&path)? {
+            recursive_ownership_change(entry?.path().as_path(), uid, gid, read_only)?;
+        }
+        mask |= EXEC_MASK;
+        mask |= MODE_SETGID;
+    }
+    nix::unistd::chown(path, uid, gid)?;
+
+    if gid.is_some() {
+        let metadata = path.metadata()?;
+        let mut permission = metadata.permissions();
+        let target_mode = metadata.mode() | mask;
+        permission.set_mode(target_mode);
+        fs::set_permissions(path, permission)?;
+    }
+
+    Ok(())
+}
+
 /// Looks for `mount_point` entry in the /proc/mounts.
 #[instrument]
 pub fn is_mounted(mount_point: &str) -> Result<bool> {
@@ -912,6 +1018,8 @@ fn parse_options(option_list: Vec<String>) -> HashMap<String, String> {
 mod tests {
     use super::*;
     use crate::{skip_if_not_root, skip_loop_if_not_root, skip_loop_if_root};
+    use protobuf::RepeatedField;
+    use protocols::agent::FSGroup;
     use std::fs::File;
     use std::fs::OpenOptions;
     use std::io::Write;
@@ -1539,4 +1647,212 @@ mod tests {
             }
         }
     }
+
+    #[test]
+    fn test_set_ownership() {
+        skip_if_not_root!();
+
+        let logger = slog::Logger::root(slog::Discard, o!());
+
+        #[derive(Debug)]
+        struct TestData<'a> {
+            mount_path: &'a str,
+            fs_group: Option<FSGroup>,
+            read_only: bool,
+            expected_group_id: u32,
+            expected_permission: u32,
+        }
+
+        let tests = &[
+            TestData {
+                mount_path: "foo",
+                fs_group: None,
+                read_only: false,
+                expected_group_id: 0,
+                expected_permission: 0,
+            },
+            TestData {
+                mount_path: "rw_mount",
+                fs_group: Some(FSGroup {
+                    group_id: 3000,
+                    group_change_policy: FSGroupChangePolicy::Always,
+                    unknown_fields: Default::default(),
+                    cached_size: Default::default(),
+                }),
+                read_only: false,
+                expected_group_id: 3000,
+                expected_permission: RW_MASK | EXEC_MASK | MODE_SETGID,
+            },
+            TestData {
+                mount_path: "ro_mount",
+                fs_group: Some(FSGroup {
+                    group_id: 3000,
+                    group_change_policy: FSGroupChangePolicy::OnRootMismatch,
+                    unknown_fields: Default::default(),
+                    cached_size: Default::default(),
+                }),
+                read_only: true,
+                expected_group_id: 3000,
+                expected_permission: RO_MASK | EXEC_MASK | MODE_SETGID,
+            },
+        ];
+
+        let tempdir = tempdir().expect("failed to create tmpdir");
+
+        for (i, d) in tests.iter().enumerate() {
+            let msg = format!("test[{}]: {:?}", i, d);
+
+            let mount_dir = tempdir.path().join(d.mount_path);
+            fs::create_dir(&mount_dir)
+                .unwrap_or_else(|_| panic!("{}: failed to create root directory", msg));
+
+            let directory_mode = mount_dir.as_path().metadata().unwrap().permissions().mode();
+            let mut storage_data = Storage::new();
+            if d.read_only {
+                storage_data.set_options(RepeatedField::from_slice(&[
+                    "foo".to_string(),
+                    "ro".to_string(),
+                ]));
+            }
+            if let Some(fs_group) = d.fs_group.clone() {
+                storage_data.set_fs_group(fs_group);
+            }
+            storage_data.mount_point = mount_dir.clone().into_os_string().into_string().unwrap();
+
+            let result = set_ownership(&logger, &storage_data);
+            assert!(result.is_ok());
+
+            assert_eq!(
+                mount_dir.as_path().metadata().unwrap().gid(),
+                d.expected_group_id
+            );
+            assert_eq!(
+                mount_dir.as_path().metadata().unwrap().permissions().mode(),
+                (directory_mode | d.expected_permission)
+            );
+        }
+    }
+
+    #[test]
+    fn test_recursive_ownership_change() {
+        skip_if_not_root!();
+
+        const COUNT: usize = 5;
+
+        #[derive(Debug)]
+        struct TestData<'a> {
+            // Directory where the recursive ownership change should be performed on
+            path: &'a str,
+
+            // User ID for ownership change
+            uid: u32,
+
+            // Group ID for ownership change
+            gid: u32,
+
+            // Set when the permission should be read-only
+            read_only: bool,
+
+            // The expected permission of all directories after ownership change
+            expected_permission_directory: u32,
+
+            // The expected permission of all files after ownership change
+            expected_permission_file: u32,
+        }
+
+        let tests = &[
+            TestData {
+                path: "no_gid_change",
+                uid: 0,
+                gid: 0,
+                read_only: false,
+                expected_permission_directory: 0,
+                expected_permission_file: 0,
+            },
+            TestData {
+                path: "rw_gid_change",
+                uid: 0,
+                gid: 3000,
+                read_only: false,
+                expected_permission_directory: RW_MASK | EXEC_MASK | MODE_SETGID,
+                expected_permission_file: RW_MASK,
+            },
+            TestData {
+                path: "ro_gid_change",
+                uid: 0,
+                gid: 3000,
+                read_only: true,
+                expected_permission_directory: RO_MASK | EXEC_MASK | MODE_SETGID,
+                expected_permission_file: RO_MASK,
+            },
+        ];
+
+        let tempdir = tempdir().expect("failed to create tmpdir");
+
+        for (i, d) in tests.iter().enumerate() {
+            let msg = format!("test[{}]: {:?}", i, d);
+
+            let mount_dir = tempdir.path().join(d.path);
+            fs::create_dir(&mount_dir)
+                .unwrap_or_else(|_| panic!("{}: failed to create root directory", msg));
+
+            let directory_mode = mount_dir.as_path().metadata().unwrap().permissions().mode();
+            let mut file_mode: u32 = 0;
+
+            // create testing directories and files
+            for n in 1..COUNT {
+                let nest_dir = mount_dir.join(format!("nested{}", n));
+                fs::create_dir(&nest_dir)
+                    .unwrap_or_else(|_| panic!("{}: failed to create nest directory", msg));
+
+                for f in 1..COUNT {
+                    let filename = nest_dir.join(format!("file{}", f));
+                    File::create(&filename)
+                        .unwrap_or_else(|_| panic!("{}: failed to create file", msg));
+                    file_mode = filename.as_path().metadata().unwrap().permissions().mode();
+                }
+            }
+
+            let uid = if d.uid > 0 {
+                Some(Uid::from_raw(d.uid))
+            } else {
+                None
+            };
+            let gid = if d.gid > 0 {
+                Some(Gid::from_raw(d.gid))
+            } else {
+                None
+            };
+            let result = recursive_ownership_change(&mount_dir, uid, gid, d.read_only);
+
+            assert!(result.is_ok());
+
+            assert_eq!(mount_dir.as_path().metadata().unwrap().gid(), d.gid);
+            assert_eq!(
+                mount_dir.as_path().metadata().unwrap().permissions().mode(),
+                (directory_mode | d.expected_permission_directory)
+            );
+
+            for n in 1..COUNT {
+                let nest_dir = mount_dir.join(format!("nested{}", n));
+                for f in 1..COUNT {
+                    let filename = nest_dir.join(format!("file{}", f));
+                    let file = Path::new(&filename);
+
+                    assert_eq!(file.metadata().unwrap().gid(), d.gid);
+                    assert_eq!(
+                        file.metadata().unwrap().permissions().mode(),
+                        (file_mode | d.expected_permission_file)
+                    );
+                }
+
+                let dir = Path::new(&nest_dir);
+                assert_eq!(dir.metadata().unwrap().gid(), d.gid);
+                assert_eq!(
+                    dir.metadata().unwrap().permissions().mode(),
+                    (directory_mode | d.expected_permission_directory)
+                );
+            }
+        }
+    }
 }

src/agent/src/sandbox.rs

@@ -149,7 +149,12 @@ impl Sandbox {
     pub fn remove_sandbox_storage(&self, path: &str) -> Result<()> {
         let mounts = vec![path.to_string()];
         remove_mounts(&mounts)?;
-        fs::remove_dir_all(path).context(format!("failed to remove dir {:?}", path))?;
+        // "remove_dir" will fail if the mount point is backed by a read-only filesystem.
+        // This is the case with the device mapper snapshotter, where we mount the block device directly
+        // at the underlying sandbox path which was provided from the base RO kataShared path from the host.
+        if let Err(err) = fs::remove_dir(path) {
+            warn!(self.logger, "failed to remove dir {}, {:?}", path, err);
+        }
         Ok(())
     }
 
@@ -562,19 +567,8 @@ mod tests {
             .remove_sandbox_storage(invalid_dir.to_str().unwrap())
             .is_err());
 
-        // Now, create a double mount as this guarantees the directory cannot
-        // be deleted after the first umount.
-        for _i in 0..2 {
         assert!(bind_mount(srcdir_path, destdir_path, &logger).is_ok());
-        }
 
-        assert!(
-            s.remove_sandbox_storage(destdir_path).is_err(),
-            "Expect fail as deletion cannot happen due to the second mount."
-        );
-
-        // This time it should work as the previous two calls have undone the double
-        // mount.
         assert!(s.remove_sandbox_storage(destdir_path).is_ok());
     }
 

src/libs/oci/src/lib.rs

@@ -381,7 +381,7 @@ pub struct LinuxMemory {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "kernelTCP")]
     pub kernel_tcp: Option<i64>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub swappiness: Option<i64>,
+    pub swappiness: Option<u64>,
     #[serde(
         default,
         skip_serializing_if = "Option::is_none",

src/libs/protocols/protos/agent.proto

@@ -399,6 +399,17 @@ message SetGuestDateTimeRequest {
 	int64 Usec = 2;
 }
 
+// FSGroup consists of the group id and group ownership change policy
+// that a volume should have its ownership changed to.
+message FSGroup {
+	// GroupID is the ID that the group ownership of the
+	// files in the mounted volume will need to be changed to.
+	uint32 group_id = 2;
+	// GroupChangePolicy specifies the policy for applying group id
+	// ownership change on a mounted volume.
+	types.FSGroupChangePolicy group_change_policy = 3;
+}
+
 // Storage represents both the rootfs of the container, and any volume that
 // could have been defined through the Mount list of the OCI specification.
 message Storage {
@@ -422,11 +433,14 @@ message Storage {
 	// device, "9p" for shared filesystem, or "tmpfs" for shared /dev/shm.
 	string fstype = 4;
 	// Options describes the additional options that might be needed to
-	// mount properly the storage filesytem.
+	// mount properly the storage filesystem.
 	repeated string options = 5;
 	// MountPoint refers to the path where the storage should be mounted
 	// inside the VM.
 	string mount_point = 6;
+	// FSGroup consists of the group ID and group ownership change policy
+	// that the mounted volume must have its group ID changed to when specified.
+	FSGroup fs_group = 7;
 }
 
 // Device represents only the devices that could have been defined through the

src/libs/protocols/protos/types.proto

@@ -16,6 +16,15 @@ enum IPFamily {
 	v6 = 1;
 }
 
+// FSGroupChangePolicy defines the policy for applying group id ownership change on a mounted volume.
+enum FSGroupChangePolicy {
+	// Always indicates that the volume ownership will always be changed.
+	Always = 0;
+	// OnRootMismatch indicates that the volume ownership will be changed only
+	// when the ownership of the root directory does not match with the expected group id for the volume.
+	OnRootMismatch = 1;
+}
+
 message IPAddress {
 	IPFamily family = 1;
 	string address = 2;

src/runtime/README.md

@@ -10,6 +10,7 @@ This repository contains the following components:
 |-|-|
 | `containerd-shim-kata-v2` | The [shimv2 runtime](../../docs/design/architecture/README.md#runtime) |
 | `kata-runtime` | [utility program](../../docs/design/architecture/README.md#utility-program) |
+| `kata-monitor` | [metrics collector daemon](cmd/kata-monitor/README.md) |
 
 For details of the other Kata Containers repositories, see the
 [repository summary](https://github.com/kata-containers/kata-containers).

src/runtime/cmd/kata-monitor/README.md

@@ -0,0 +1,68 @@
+# Kata monitor
+
+## Overview
+`kata-monitor` is a daemon able to collect and expose metrics related to all the Kata Containers workloads running on the same host.
+Once started, it detects all the running Kata Containers runtimes (`containerd-shim-kata-v2`) in the system and exposes few http endpoints to allow the retrieval of the available data.
+The main endpoint is the `/metrics` one which aggregates metrics from all the kata workloads.
+Available metrics include:
+  * Kata runtime metrics
+  * Kata agent metrics
+  * Kata guest OS metrics
+  * Hypervisor metrics
+  * Firecracker metrics
+  * Kata monitor metrics
+
+All the provided metrics are in Prometheus format. While `kata-monitor` can be used as a standalone daemon on any host running Kata Containers workloads and can be used for retrieving profiling data from the running Kata runtimes, its main expected usage is to be deployed as a DaemonSet on a Kubernetes cluster: there Prometheus should scrape the metrics from the kata-monitor endpoints.
+For more information on the Kata Containers metrics architecture and a detailed list of the available metrics provided by Kata monitor check the [Kata 2.0 Metrics Design](../../../../docs/design/kata-2-0-metrics.md) document.
+
+## Usage
+Each `kata-monitor` instance detects and monitors the Kata Container workloads running on the same node.
+
+### Kata monitor arguments
+The `kata-monitor` binary accepts the following arguments:
+
+* `--listen-address` _IP:PORT_
+* `--runtime-enpoint` _PATH_TO_THE_CONTAINER_MANAGER_CRI_INTERFACE_
+* `--log-level` _[ trace | debug | info | warn | error | fatal | panic ]_
+
+The **listen-address** specifies the IP and TCP port where the kata-monitor HTTP endpoints will be exposed. It defaults to `127.0.0.1:8090`.
+
+The **runtime-endpoint** is the CRI of a CRI compliant container manager: it will be used to retrieve the CRI `PodSandboxMetadata` (`uid`, `name` and `namespace`) which will be attached to the Kata metrics through the labels `cri_uid`, `cri_name` and `cri_namespace`. It defaults to the containerd socket: `/run/containerd/containerd.sock`.
+
+The **log-level** allows the chose how verbose the logs should be. The default is `info`.
+### Kata monitor HTTP endpoints
+`kata-monitor` exposes the following endpoints:
+  * `/metrics`             : get Kata sandboxes metrics.
+  * `/sandboxes`           : list all the Kata sandboxes running on the host.
+  * `/agent-url`           : Get the agent URL of a Kata sandbox.
+  * `/debug/vars`          : Internal data of the Kata runtime shim.
+  * `/debug/pprof/`        : Golang profiling data of the Kata runtime shim: index page.
+  * `/debug/pprof/cmdline` : Golang profiling data of the Kata runtime shim: `cmdline` endpoint.
+  * `/debug/pprof/profile` : Golang profiling data of the Kata runtime shim: `profile` endpoint (CPU profiling).
+  * `/debug/pprof/symbol`  : Golang profiling data of the Kata runtime shim: `symbol` endpoint.
+  * `/debug/pprof/trace`   : Golang profiling data of the Kata runtime shim: `trace` endpoint.
+
+**NOTE: The debug endpoints are available only if the [Kata Containers configuration file](https://github.com/kata-containers/kata-containers/blob/9d5b03a1b70bbd175237ec4b9f821d6ccee0a1f6/src/runtime/config/configuration-qemu.toml.in#L590-L592) includes** `enable_pprof = true` **in the** `[runtime]` **section**.
+
+The `/sandboxes` endpoint lists the _sandbox ID_ of all the detected Kata runtimes. If accessed via a web browser, it provides html links to the endpoints available for each sandbox.
+
+In order to retrieve data for a specific Kata workload, the _sandbox ID_ should be passed in the query string using the _sandbox_ key. The `/agent-url`, and all the `/debug/`* endpoints require `sandbox_id` to be specified in the query string.
+<br>
+#### Examples
+Retrieve the IDs of the available sandboxes:
+```bash
+$ curl 127.0.0.1:8090/sandboxes
+```
+output:
+```
+6fcf0a90b01e90d8747177aa466c3462d02e02a878bc393649df83d4c314af0c
+df96b24bd49ec437c872c1a758edc084121d607ce1242ff5d2263a0e1b693343
+```
+Retrieve the `agent-url` of the sandbox with ID _df96b24bd49ec437c872c1a758edc084121d607ce1242ff5d2263a0e1b693343_:
+```bash
+$ curl 127.0.0.1:8090/agent-url?sandbox=df96b24bd49ec437c872c1a758edc084121d607ce1242ff5d2263a0e1b693343
+```
+output:
+```
+vsock://830455376:1024
+```

src/runtime/cmd/kata-monitor/main.go

@@ -175,6 +175,15 @@ func main() {
 }
 
 func indexPage(w http.ResponseWriter, r *http.Request) {
+	htmlResponse := kataMonitor.IfReturnHTMLResponse(w, r)
+	if htmlResponse {
+		indexPageHTML(w, r)
+	} else {
+		indexPageText(w, r)
+	}
+}
+
+func indexPageText(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("Available HTTP endpoints:\n"))
 
 	spacing := 0
@@ -184,13 +193,35 @@ func indexPage(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 	spacing = spacing + 3
+	formatter := fmt.Sprintf("%%-%ds: %%s\n", spacing)
 
-	formattedString := fmt.Sprintf("%%-%ds: %%s\n", spacing)
 	for _, endpoint := range endpoints {
-		w.Write([]byte(fmt.Sprintf(formattedString, endpoint.path, endpoint.desc)))
+		w.Write([]byte(fmt.Sprintf(formatter, endpoint.path, endpoint.desc)))
 	}
 }
 
+func indexPageHTML(w http.ResponseWriter, r *http.Request) {
+
+	w.Write([]byte("<h1>Available HTTP endpoints:</h1>\n"))
+
+	var formattedString string
+	needLinkPaths := []string{"/metrics", "/sandboxes"}
+
+	w.Write([]byte("<ul>"))
+	for _, endpoint := range endpoints {
+		formattedString = fmt.Sprintf("<b>%s</b>: %s\n", endpoint.path, endpoint.desc)
+		for _, linkPath := range needLinkPaths {
+			if linkPath == endpoint.path {
+				formattedString = fmt.Sprintf("<b><a href='%s'>%s</a></b>: %s\n", endpoint.path, endpoint.path, endpoint.desc)
+				break
+			}
+		}
+		formattedString = fmt.Sprintf("<li>%s</li>", formattedString)
+		w.Write([]byte(formattedString))
+	}
+	w.Write([]byte("</ul>"))
+}
+
 // initLog setup logger
 func initLog() {
 	kataMonitorLog := logrus.WithFields(logrus.Fields{

src/runtime/pkg/containerd-shim-v2/create_test.go

@@ -50,7 +50,6 @@ func TestCreateSandboxSuccess(t *testing.T) {
 	}()
 
 	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	// defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -99,7 +98,6 @@ func TestCreateSandboxFail(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -137,7 +135,6 @@ func TestCreateSandboxConfigFail(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -187,7 +184,6 @@ func TestCreateContainerSuccess(t *testing.T) {
 	}
 
 	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -227,7 +223,6 @@ func TestCreateContainerFail(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -278,7 +273,6 @@ func TestCreateContainerConfigFail(t *testing.T) {
 	}()
 
 	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)

src/runtime/pkg/containerd-shim-v2/delete_test.go

@@ -7,7 +7,6 @@
 package containerdshim
 
 import (
-	"os"
 	"testing"
 
 	taskAPI "github.com/containerd/containerd/runtime/v2/task"
@@ -25,8 +24,8 @@ func TestDeleteContainerSuccessAndFail(t *testing.T) {
 		MockID: testSandboxID,
 	}
 
-	rootPath, bundlePath, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(rootPath)
+	_, bundlePath, _ := ktu.SetupOCIConfigFile(t)
+
 	_, err := compatoci.ParseConfigJSON(bundlePath)
 	assert.NoError(err)
 

src/runtime/pkg/containerd-shim-v2/service_test.go

@@ -41,8 +41,7 @@ func TestServiceCreate(t *testing.T) {
 
 	assert := assert.New(t)
 
-	tmpdir, bundleDir, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
+	_, bundleDir, _ := ktu.SetupOCIConfigFile(t)
 
 	ctx := context.Background()
 

src/runtime/pkg/direct-volume/utils.go

@@ -17,6 +17,25 @@ import (
 
 const (
 	mountInfoFileName = "mountInfo.json"
+
+	FSGroupMetadataKey             = "fsGroup"
+	FSGroupChangePolicyMetadataKey = "fsGroupChangePolicy"
+)
+
+// FSGroupChangePolicy holds policies that will be used for applying fsGroup to a volume.
+// This type and the allowed values are tracking the PodFSGroupChangePolicy defined in
+// https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/api/core/v1/types.go
+// It is up to the client using the direct-assigned volume feature (e.g. CSI drivers) to determine
+// the optimal setting for this change policy (i.e. from Pod spec or assuming volume ownership
+// based on the storage offering).
+type FSGroupChangePolicy string
+
+const (
+	// FSGroupChangeAlways indicates that volume's ownership should always be changed.
+	FSGroupChangeAlways FSGroupChangePolicy = "Always"
+	// FSGroupChangeOnRootMismatch indicates that volume's ownership will be changed
+	// only when ownership of root directory does not match with the desired group id.
+	FSGroupChangeOnRootMismatch FSGroupChangePolicy = "OnRootMismatch"
 )
 
 var kataDirectVolumeRootPath = "/run/kata-containers/shared/direct-volumes"

src/runtime/pkg/direct-volume/utils_test.go

@@ -27,6 +27,10 @@ func TestAdd(t *testing.T) {
 		VolumeType: "block",
 		Device:     "/dev/sda",
 		FsType:     "ext4",
+		Metadata: map[string]string{
+			FSGroupMetadataKey:             "3000",
+			FSGroupChangePolicyMetadataKey: string(FSGroupChangeOnRootMismatch),
+		},
 		Options: []string{"journal_dev", "noload"},
 	}
 	buf, err := json.Marshal(actual)
@@ -41,6 +45,7 @@ func TestAdd(t *testing.T) {
 	assert.Equal(t, expected.Device, actual.Device)
 	assert.Equal(t, expected.FsType, actual.FsType)
 	assert.Equal(t, expected.Options, actual.Options)
+	assert.Equal(t, expected.Metadata, actual.Metadata)
 
 	_, err = os.Stat(filepath.Join(kataDirectVolumeRootPath, b64.URLEncoding.EncodeToString([]byte(volumePath))))
 	assert.Nil(t, err)

src/runtime/pkg/kata-monitor/metrics.go

@@ -78,6 +78,21 @@ func (km *KataMonitor) ProcessMetricsRequest(w http.ResponseWriter, r *http.Requ
 		scrapeDurationsHistogram.Observe(float64(time.Since(start).Nanoseconds() / int64(time.Millisecond)))
 	}()
 
+	// this is likely the same as `kata-runtime metrics <SANDBOX>`.
+	sandboxID, err := getSandboxIDFromReq(r)
+	if err == nil && sandboxID != "" {
+		metrics, err := GetSandboxMetrics(sandboxID)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+		w.Write([]byte(metrics))
+		return
+	}
+
+	// if no sandbox provided, will get all sandbox's metrics.
+
 	// prepare writer for writing response.
 	contentType := expfmt.Negotiate(r.Header)
 

src/runtime/pkg/kata-monitor/monitor.go

@@ -27,6 +27,7 @@ const (
 	RuntimeCRIO                 = "cri-o"
 	fsMonitorRetryDelaySeconds  = 60
 	podCacheRefreshDelaySeconds = 5
+	contentTypeHtml             = "text/html"
 )
 
 // SetLogger sets the logger for katamonitor package.
@@ -194,7 +195,41 @@ func (km *KataMonitor) GetAgentURL(w http.ResponseWriter, r *http.Request) {
 // ListSandboxes list all sandboxes running in Kata
 func (km *KataMonitor) ListSandboxes(w http.ResponseWriter, r *http.Request) {
 	sandboxes := km.sandboxCache.getSandboxList()
+	htmlResponse := IfReturnHTMLResponse(w, r)
+	if htmlResponse {
+		listSandboxesHtml(sandboxes, w)
+	} else {
+		listSandboxesText(sandboxes, w)
+	}
+}
+
+func listSandboxesText(sandboxes []string, w http.ResponseWriter) {
 	for _, s := range sandboxes {
 		w.Write([]byte(fmt.Sprintf("%s\n", s)))
 	}
 }
+func listSandboxesHtml(sandboxes []string, w http.ResponseWriter) {
+	w.Write([]byte("<h1>Sandbox list</h1>\n"))
+	w.Write([]byte("<ul>\n"))
+	for _, s := range sandboxes {
+		w.Write([]byte(fmt.Sprintf("<li>%s: <a href='/debug/pprof/?sandbox=%s'>pprof</a>, <a href='/metrics?sandbox=%s'>metrics</a>, <a href='/agent-url?sandbox=%s'>agent-url</a></li>\n", s, s, s, s)))
+	}
+	w.Write([]byte("</ul>\n"))
+}
+
+// IfReturnHTMLResponse returns true if request accepts html response
+// NOTE: IfReturnHTMLResponse will also set response header to `text/html`
+func IfReturnHTMLResponse(w http.ResponseWriter, r *http.Request) bool {
+	accepts := r.Header["Accept"]
+	for _, accept := range accepts {
+		fields := strings.Split(accept, ",")
+		for _, field := range fields {
+			if field == contentTypeHtml {
+				w.Header().Set("Content-Type", contentTypeHtml)
+				return true
+			}
+		}
+	}
+
+	return false
+}

src/runtime/pkg/kata-monitor/pprof.go

@@ -10,6 +10,8 @@ import (
 	"io"
 	"net"
 	"net/http"
+	"regexp"
+	"strings"
 
 	cdshim "github.com/containerd/containerd/runtime/v2/shim"
 
@@ -33,7 +35,13 @@ func (km *KataMonitor) composeSocketAddress(r *http.Request) (string, error) {
 	return shim.SocketAddress(sandbox), nil
 }
 
-func (km *KataMonitor) proxyRequest(w http.ResponseWriter, r *http.Request) {
+func (km *KataMonitor) proxyRequest(w http.ResponseWriter, r *http.Request,
+	proxyResponse func(req *http.Request, w io.Writer, r io.Reader) error) {
+
+	if proxyResponse == nil {
+		proxyResponse = copyResponse
+	}
+
 	w.Header().Set("X-Content-Type-Options", "nosniff")
 
 	socketAddress, err := km.composeSocketAddress(r)
@@ -55,8 +63,10 @@ func (km *KataMonitor) proxyRequest(w http.ResponseWriter, r *http.Request) {
 	}
 
 	uri := fmt.Sprintf("http://shim%s", r.URL.String())
+	monitorLog.Debugf("proxyRequest to: %s, uri: %s", socketAddress, uri)
 	resp, err := client.Get(uri)
 	if err != nil {
+		serveError(w, http.StatusInternalServerError, fmt.Sprintf("failed to request %s through %s", uri, socketAddress))
 		return
 	}
 
@@ -73,38 +83,68 @@ func (km *KataMonitor) proxyRequest(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Disposition", contentDisposition)
 	}
 
-	io.Copy(w, output)
+	err = proxyResponse(r, w, output)
+	if err != nil {
+		monitorLog.WithError(err).Errorf("failed proxying %s from %s", uri, socketAddress)
+		serveError(w, http.StatusInternalServerError, "error retrieving resource")
+	}
 }
 
 // ExpvarHandler handles other `/debug/vars` requests
 func (km *KataMonitor) ExpvarHandler(w http.ResponseWriter, r *http.Request) {
-	km.proxyRequest(w, r)
+	km.proxyRequest(w, r, nil)
 }
 
 // PprofIndex handles other `/debug/pprof/` requests
 func (km *KataMonitor) PprofIndex(w http.ResponseWriter, r *http.Request) {
-	km.proxyRequest(w, r)
+	if len(strings.TrimPrefix(r.URL.Path, "/debug/pprof/")) == 0 {
+		km.proxyRequest(w, r, copyResponseAddingSandboxIdToHref)
+	} else {
+		km.proxyRequest(w, r, nil)
+	}
 }
 
 // PprofCmdline handles other `/debug/cmdline` requests
 func (km *KataMonitor) PprofCmdline(w http.ResponseWriter, r *http.Request) {
-	km.proxyRequest(w, r)
+	km.proxyRequest(w, r, nil)
 }
 
 // PprofProfile handles other `/debug/profile` requests
 func (km *KataMonitor) PprofProfile(w http.ResponseWriter, r *http.Request) {
-	km.proxyRequest(w, r)
+	km.proxyRequest(w, r, nil)
 }
 
 // PprofSymbol handles other `/debug/symbol` requests
 func (km *KataMonitor) PprofSymbol(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-	km.proxyRequest(w, r)
+	km.proxyRequest(w, r, nil)
 }
 
 // PprofTrace handles other `/debug/trace` requests
 func (km *KataMonitor) PprofTrace(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/octet-stream")
 	w.Header().Set("Content-Disposition", `attachment; filename="trace"`)
-	km.proxyRequest(w, r)
+	km.proxyRequest(w, r, nil)
+}
+
+func copyResponse(req *http.Request, w io.Writer, r io.Reader) error {
+	_, err := io.Copy(w, r)
+	return err
+}
+
+func copyResponseAddingSandboxIdToHref(req *http.Request, w io.Writer, r io.Reader) error {
+	sb, err := getSandboxIDFromReq(req)
+	if err != nil {
+		monitorLog.WithError(err).Warning("missing sandbox query in pprof url")
+		return copyResponse(req, w, r)
+	}
+	buf, err := io.ReadAll(r)
+	if err != nil {
+		return err
+	}
+
+	re := regexp.MustCompile(`<a href=(['"])(\w+)\?(\w+=\w+)['"]>`)
+	outHtml := re.ReplaceAllString(string(buf), fmt.Sprintf("<a href=$1$2?sandbox=%s&$3$1>", sb))
+	w.Write([]byte(outHtml))
+	return nil
 }

src/runtime/pkg/kata-monitor/pprof_test.go

@@ -0,0 +1,117 @@
+// Copyright (c) 2022 Red Hat Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package katamonitor
+
+import (
+	"bytes"
+	"net/http"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCopyResponseAddingSandboxIdToHref(t *testing.T) {
+	assert := assert.New(t)
+
+	htmlIn := strings.NewReader(`
+<html>
+<head>
+<title>/debug/pprof/</title>
+<style>
+.profile-name{
+	display:inline-block;
+	width:6rem;
+}
+</style>
+</head>
+<body>
+/debug/pprof/<br>
+<br>
+Types of profiles available:
+<table>
+<thead><td>Count</td><td>Profile</td></thead>
+<tr><td>27</td><td><a href='allocs?debug=1'>allocs</a></td></tr>
+<tr><td>0</td><td><a href='block?debug=1'>block</a></td></tr>
+<tr><td>0</td><td><a href='cmdline?debug=1'>cmdline</a></td></tr>
+<tr><td>39</td><td><a href='goroutine?debug=1'>goroutine</a></td></tr>
+<tr><td>27</td><td><a href='heap?debug=1'>heap</a></td></tr>
+<tr><td>0</td><td><a href='mutex?debug=1'>mutex</a></td></tr>
+<tr><td>0</td><td><a href='profile?debug=1'>profile</a></td></tr>
+<tr><td>10</td><td><a href='threadcreate?debug=1'>threadcreate</a></td></tr>
+<tr><td>0</td><td><a href='trace?debug=1'>trace</a></td></tr>
+</table>
+<a href="goroutine?debug=2">full goroutine stack dump</a>
+<br>
+<p>
+Profile Descriptions:
+<ul>
+<li><div class=profile-name>allocs: </div> A sampling of all past memory allocations</li>
+<li><div class=profile-name>block: </div> Stack traces that led to blocking on synchronization primitives</li>
+<li><div class=profile-name>cmdline: </div> The command line invocation of the current program</li>
+<li><div class=profile-name>goroutine: </div> Stack traces of all current goroutines</li>
+<li><div class=profile-name>heap: </div> A sampling of memory allocations of live objects. You can specify the gc GET parameter to run GC before taking the heap sample.</li>
+<li><div class=profile-name>mutex: </div> Stack traces of holders of contended mutexes</li>
+<li><div class=profile-name>profile: </div> CPU profile. You can specify the duration in the seconds GET parameter. After you get the profile file, use the go tool pprof command to investigate the profile.</li>
+<li><div class=profile-name>threadcreate: </div> Stack traces that led to the creation of new OS threads</li>
+<li><div class=profile-name>trace: </div> A trace of execution of the current program. You can specify the duration in the seconds GET parameter. After you get the trace file, use the go tool trace command to investigate the trace.</li>
+</ul>
+</p>
+</body>
+</html>`)
+
+	htmlExpected := bytes.NewBufferString(`
+<html>
+<head>
+<title>/debug/pprof/</title>
+<style>
+.profile-name{
+	display:inline-block;
+	width:6rem;
+}
+</style>
+</head>
+<body>
+/debug/pprof/<br>
+<br>
+Types of profiles available:
+<table>
+<thead><td>Count</td><td>Profile</td></thead>
+<tr><td>27</td><td><a href='allocs?sandbox=1234567890&debug=1'>allocs</a></td></tr>
+<tr><td>0</td><td><a href='block?sandbox=1234567890&debug=1'>block</a></td></tr>
+<tr><td>0</td><td><a href='cmdline?sandbox=1234567890&debug=1'>cmdline</a></td></tr>
+<tr><td>39</td><td><a href='goroutine?sandbox=1234567890&debug=1'>goroutine</a></td></tr>
+<tr><td>27</td><td><a href='heap?sandbox=1234567890&debug=1'>heap</a></td></tr>
+<tr><td>0</td><td><a href='mutex?sandbox=1234567890&debug=1'>mutex</a></td></tr>
+<tr><td>0</td><td><a href='profile?sandbox=1234567890&debug=1'>profile</a></td></tr>
+<tr><td>10</td><td><a href='threadcreate?sandbox=1234567890&debug=1'>threadcreate</a></td></tr>
+<tr><td>0</td><td><a href='trace?sandbox=1234567890&debug=1'>trace</a></td></tr>
+</table>
+<a href="goroutine?sandbox=1234567890&debug=2">full goroutine stack dump</a>
+<br>
+<p>
+Profile Descriptions:
+<ul>
+<li><div class=profile-name>allocs: </div> A sampling of all past memory allocations</li>
+<li><div class=profile-name>block: </div> Stack traces that led to blocking on synchronization primitives</li>
+<li><div class=profile-name>cmdline: </div> The command line invocation of the current program</li>
+<li><div class=profile-name>goroutine: </div> Stack traces of all current goroutines</li>
+<li><div class=profile-name>heap: </div> A sampling of memory allocations of live objects. You can specify the gc GET parameter to run GC before taking the heap sample.</li>
+<li><div class=profile-name>mutex: </div> Stack traces of holders of contended mutexes</li>
+<li><div class=profile-name>profile: </div> CPU profile. You can specify the duration in the seconds GET parameter. After you get the profile file, use the go tool pprof command to investigate the profile.</li>
+<li><div class=profile-name>threadcreate: </div> Stack traces that led to the creation of new OS threads</li>
+<li><div class=profile-name>trace: </div> A trace of execution of the current program. You can specify the duration in the seconds GET parameter. After you get the trace file, use the go tool trace command to investigate the trace.</li>
+</ul>
+</p>
+</body>
+</html>`)
+
+	req := &http.Request{URL: &url.URL{RawQuery: "sandbox=1234567890"}}
+	buf := bytes.NewBuffer(nil)
+	copyResponseAddingSandboxIdToHref(req, buf, htmlIn)
+	assert.Equal(htmlExpected, buf)
+}

src/runtime/pkg/katatestutils/utils.go

@@ -346,11 +346,10 @@ func IsInGitHubActions() bool {
 func SetupOCIConfigFile(t *testing.T) (rootPath string, bundlePath, ociConfigFile string) {
 	assert := assert.New(t)
 
-	tmpdir, err := os.MkdirTemp("", "katatest-")
-	assert.NoError(err)
+	tmpdir := t.TempDir()
 
 	bundlePath = filepath.Join(tmpdir, "bundle")
-	err = os.MkdirAll(bundlePath, testDirMode)
+	err := os.MkdirAll(bundlePath, testDirMode)
 	assert.NoError(err)
 
 	ociConfigFile = filepath.Join(bundlePath, "config.json")

src/runtime/pkg/katautils/create_test.go

@@ -216,7 +216,6 @@ func TestCreateSandboxConfigFail(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -250,7 +249,6 @@ func TestCreateSandboxFail(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -273,7 +271,6 @@ func TestCreateSandboxAnnotations(t *testing.T) {
 	assert := assert.New(t)
 
 	tmpdir, bundlePath, _ := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
 
 	runtimeConfig, err := newTestRuntimeConfig(tmpdir, testConsole, true)
 	assert.NoError(err)
@@ -350,8 +347,7 @@ func TestCheckForFips(t *testing.T) {
 func TestCreateContainerContainerConfigFail(t *testing.T) {
 	assert := assert.New(t)
 
-	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
+	_, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
 
 	spec, err := compatoci.ParseConfigJSON(bundlePath)
 	assert.NoError(err)
@@ -378,8 +374,7 @@ func TestCreateContainerContainerConfigFail(t *testing.T) {
 func TestCreateContainerFail(t *testing.T) {
 	assert := assert.New(t)
 
-	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
+	_, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
 
 	spec, err := compatoci.ParseConfigJSON(bundlePath)
 	assert.NoError(err)
@@ -413,8 +408,7 @@ func TestCreateContainer(t *testing.T) {
 		mockSandbox.CreateContainerFunc = nil
 	}()
 
-	tmpdir, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
-	defer os.RemoveAll(tmpdir)
+	_, bundlePath, ociConfigFile := ktu.SetupOCIConfigFile(t)
 
 	spec, err := compatoci.ParseConfigJSON(bundlePath)
 	assert.NoError(err)

src/runtime/pkg/katautils/hook_test.go

@@ -22,6 +22,7 @@ var testContainerIDHook = "test-container-id"
 var testControllerIDHook = "test-controller-id"
 var testBinHookPath = "../../virtcontainers/hook/mock/hook"
 var testBundlePath = "/test/bundle"
+var mockHookLogFile = "/tmp/mock_hook.log"
 
 func getMockHookBinPath() string {
 	return testBinHookPath
@@ -49,12 +50,17 @@ func createWrongHook() specs.Hook {
 	}
 }
 
+func cleanMockHookLogFile() {
+	_ = os.Remove(mockHookLogFile)
+}
+
 func TestRunHook(t *testing.T) {
 	if tc.NotValid(ktu.NeedRoot()) {
 		t.Skip(ktu.TestDisabledNeedRoot)
 	}
 
 	assert := assert.New(t)
+	t.Cleanup(cleanMockHookLogFile)
 
 	ctx := context.Background()
 	spec := specs.Spec{}
@@ -87,6 +93,7 @@ func TestPreStartHooks(t *testing.T) {
 	}
 
 	assert := assert.New(t)
+	t.Cleanup(cleanMockHookLogFile)
 
 	ctx := context.Background()
 
@@ -129,6 +136,7 @@ func TestPostStartHooks(t *testing.T) {
 	}
 
 	assert := assert.New(t)
+	t.Cleanup(cleanMockHookLogFile)
 
 	ctx := context.Background()
 
@@ -173,6 +181,7 @@ func TestPostStopHooks(t *testing.T) {
 	assert := assert.New(t)
 
 	ctx := context.Background()
+	t.Cleanup(cleanMockHookLogFile)
 
 	// Hooks field is nil
 	spec := specs.Spec{}

src/runtime/virtcontainers/container.go

@@ -639,6 +639,26 @@ func (c *Container) createBlockDevices(ctx context.Context) error {
 			c.mounts[i].Type = mntInfo.FsType
 			c.mounts[i].Options = mntInfo.Options
 			c.mounts[i].ReadOnly = readonly
+
+			for key, value := range mntInfo.Metadata {
+				switch key {
+				case volume.FSGroupMetadataKey:
+					gid, err := strconv.Atoi(value)
+					if err != nil {
+						c.Logger().WithError(err).Errorf("invalid group id value %s provided for key %s", value, volume.FSGroupMetadataKey)
+						continue
+					}
+					c.mounts[i].FSGroup = &gid
+				case volume.FSGroupChangePolicyMetadataKey:
+					if _, exists := mntInfo.Metadata[volume.FSGroupMetadataKey]; !exists {
+						c.Logger().Errorf("%s specified without provding the group id with key %s", volume.FSGroupChangePolicyMetadataKey, volume.FSGroupMetadataKey)
+						continue
+					}
+					c.mounts[i].FSGroupChangePolicy = volume.FSGroupChangePolicy(value)
+				default:
+					c.Logger().Warnf("Ignoring unsupported direct-assignd volume metadata key: %s, value: %s", key, value)
+				}
+			}
 		}
 
 		var stat unix.Stat_t

src/runtime/virtcontainers/factory/cache/cache_test.go

@@ -13,14 +13,12 @@ import (
 
 	vc "github.com/kata-containers/kata-containers/src/runtime/virtcontainers"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/factory/direct"
-	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 )
 
 func TestTemplateFactory(t *testing.T) {
 	assert := assert.New(t)
 
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	hyperConfig := vc.HypervisorConfig{
 		KernelPath: testDir,

src/runtime/virtcontainers/factory/direct/direct_test.go

@@ -12,14 +12,12 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	vc "github.com/kata-containers/kata-containers/src/runtime/virtcontainers"
-	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 )
 
 func TestTemplateFactory(t *testing.T) {
 	assert := assert.New(t)
 
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	hyperConfig := vc.HypervisorConfig{
 		KernelPath: testDir,

src/runtime/virtcontainers/factory/factory_test.go

@@ -12,7 +12,6 @@ import (
 
 	vc "github.com/kata-containers/kata-containers/src/runtime/virtcontainers"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/factory/base"
-	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/mock"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/utils"
 	"github.com/sirupsen/logrus"
@@ -39,10 +38,10 @@ func TestNewFactory(t *testing.T) {
 	_, err = NewFactory(ctx, config, false)
 	assert.Error(err)
 
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 	config.VMConfig.HypervisorConfig = vc.HypervisorConfig{
-		KernelPath: fs.MockStorageRootPath(),
-		ImagePath:  fs.MockStorageRootPath(),
+		KernelPath: testDir,
+		ImagePath:  testDir,
 	}
 
 	// direct
@@ -69,7 +68,7 @@ func TestNewFactory(t *testing.T) {
 	defer hybridVSockTTRPCMock.Stop()
 
 	config.Template = true
-	config.TemplatePath = fs.MockStorageRootPath()
+	config.TemplatePath = testDir
 	f, err = NewFactory(ctx, config, false)
 	assert.Nil(err)
 	f.CloseFactory(ctx)
@@ -134,8 +133,7 @@ func TestCheckVMConfig(t *testing.T) {
 	err = checkVMConfig(config1, config2)
 	assert.Nil(err)
 
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	config1.HypervisorConfig = vc.HypervisorConfig{
 		KernelPath: testDir,
@@ -155,8 +153,7 @@ func TestCheckVMConfig(t *testing.T) {
 func TestFactoryGetVM(t *testing.T) {
 	assert := assert.New(t)
 
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	hyperConfig := vc.HypervisorConfig{
 		KernelPath: testDir,
@@ -321,8 +318,7 @@ func TestDeepCompare(t *testing.T) {
 	config.VMConfig = vc.VMConfig{
 		HypervisorType: vc.MockHypervisor,
 	}
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	config.VMConfig.HypervisorConfig = vc.HypervisorConfig{
 		KernelPath: testDir,

src/runtime/virtcontainers/factory/template/template_test.go

@@ -16,7 +16,6 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	vc "github.com/kata-containers/kata-containers/src/runtime/virtcontainers"
-	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/mock"
 )
 
@@ -32,8 +31,7 @@ func TestTemplateFactory(t *testing.T) {
 
 	templateWaitForAgent = 1 * time.Microsecond
 
-	testDir := fs.MockStorageRootPath()
-	defer fs.MockStorageDestroy()
+	testDir := t.TempDir()
 
 	hyperConfig := vc.HypervisorConfig{
 		KernelPath: testDir,

src/runtime/virtcontainers/fc.go

@@ -27,6 +27,7 @@ import (
 	hv "github.com/kata-containers/kata-containers/src/runtime/pkg/hypervisors"
 	"github.com/kata-containers/kata-containers/src/runtime/pkg/katautils/katatrace"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/config"
+	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/firecracker/client"
 	models "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/firecracker/client/models"
 	ops "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/pkg/firecracker/client/operations"
@@ -84,8 +85,6 @@ const (
 	fcMetricsFifo = "metrics.fifo"
 
 	defaultFcConfig = "fcConfig.json"
-	// storagePathSuffix mirrors persist/fs/fs.go:storagePathSuffix
-	storagePathSuffix = "vc"
 )
 
 // Specify the minimum version of firecracker supported
@@ -244,7 +243,7 @@ func (fc *firecracker) setPaths(hypervisorConfig *HypervisorConfig) {
 	// <cgroups_base>/<exec_file_name>/<id>/
 	hypervisorName := filepath.Base(hypervisorConfig.HypervisorPath)
 	//fs.RunStoragePath cannot be used as we need exec perms
-	fc.chrootBaseDir = filepath.Join("/run", storagePathSuffix)
+	fc.chrootBaseDir = filepath.Join("/run", fs.StoragePathSuffix)
 
 	fc.vmPath = filepath.Join(fc.chrootBaseDir, hypervisorName, fc.id)
 	fc.jailerRoot = filepath.Join(fc.vmPath, "root") // auto created by jailer

src/runtime/virtcontainers/kata_agent.go

@@ -19,6 +19,7 @@ import (
 	"time"
 
 	"github.com/docker/go-units"
+	volume "github.com/kata-containers/kata-containers/src/runtime/pkg/direct-volume"
 	"github.com/kata-containers/kata-containers/src/runtime/pkg/katautils/katatrace"
 	resCtrl "github.com/kata-containers/kata-containers/src/runtime/pkg/resourcecontrol"
 	"github.com/kata-containers/kata-containers/src/runtime/pkg/uuid"
@@ -167,6 +168,15 @@ func getPagesizeFromOpt(fsOpts []string) string {
 	return ""
 }
 
+func getFSGroupChangePolicy(policy volume.FSGroupChangePolicy) pbTypes.FSGroupChangePolicy {
+	switch policy {
+	case volume.FSGroupChangeOnRootMismatch:
+		return pbTypes.FSGroupChangePolicy_OnRootMismatch
+	default:
+		return pbTypes.FSGroupChangePolicy_Always
+	}
+}
+
 // Shared path handling:
 // 1. create three directories for each sandbox:
 // -. /run/kata-containers/shared/sandboxes/$sbx_id/mounts/, a directory to hold all host/guest shared mounts
@@ -910,7 +920,6 @@ func (k *kataAgent) constrainGRPCSpec(grpcSpec *grpc.Spec, passSeccomp bool, str
 	grpcSpec.Linux.Resources.Devices = nil
 	grpcSpec.Linux.Resources.Pids = nil
 	grpcSpec.Linux.Resources.BlockIO = nil
-	grpcSpec.Linux.Resources.HugepageLimits = nil
 	grpcSpec.Linux.Resources.Network = nil
 	if grpcSpec.Linux.Resources.CPU != nil {
 		grpcSpec.Linux.Resources.CPU.Cpus = ""
@@ -1469,6 +1478,12 @@ func (k *kataAgent) handleDeviceBlockVolume(c *Container, m Mount, device api.De
 	if len(vol.Options) == 0 {
 		vol.Options = m.Options
 	}
+	if m.FSGroup != nil {
+		vol.FsGroup = &grpc.FSGroup{
+			GroupId:           uint32(*m.FSGroup),
+			GroupChangePolicy: getFSGroupChangePolicy(m.FSGroupChangePolicy),
+		}
+	}
 
 	return vol, nil
 }

src/runtime/virtcontainers/kata_agent_test.go

@@ -23,6 +23,7 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	"code.cloudfoundry.org/bytefmt"
+	volume "github.com/kata-containers/kata-containers/src/runtime/pkg/direct-volume"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/api"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/config"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/device/drivers"
@@ -190,8 +191,7 @@ func TestKataAgentSendReq(t *testing.T) {
 func TestHandleEphemeralStorage(t *testing.T) {
 	k := kataAgent{}
 	var ociMounts []specs.Mount
-	mountSource := "/tmp/mountPoint"
-	os.Mkdir(mountSource, 0755)
+	mountSource := t.TempDir()
 
 	mount := specs.Mount{
 		Type:   KataEphemeralDevType,
@@ -211,8 +211,7 @@ func TestHandleEphemeralStorage(t *testing.T) {
 func TestHandleLocalStorage(t *testing.T) {
 	k := kataAgent{}
 	var ociMounts []specs.Mount
-	mountSource := "/tmp/mountPoint"
-	os.Mkdir(mountSource, 0755)
+	mountSource := t.TempDir()
 
 	mount := specs.Mount{
 		Type:   KataLocalDevType,
@@ -234,6 +233,7 @@ func TestHandleLocalStorage(t *testing.T) {
 }
 
 func TestHandleDeviceBlockVolume(t *testing.T) {
+	var gid = 2000
 	k := kataAgent{}
 
 	// nolint: govet
@@ -315,6 +315,27 @@ func TestHandleDeviceBlockVolume(t *testing.T) {
 				Source: testSCSIAddr,
 			},
 		},
+		{
+			BlockDeviceDriver: config.VirtioBlock,
+			inputMount: Mount{
+				FSGroup:             &gid,
+				FSGroupChangePolicy: volume.FSGroupChangeOnRootMismatch,
+			},
+			inputDev: &drivers.BlockDevice{
+				BlockDrive: &config.BlockDrive{
+					PCIPath:  testPCIPath,
+					VirtPath: testVirtPath,
+				},
+			},
+			resultVol: &pb.Storage{
+				Driver: kataBlkDevType,
+				Source: testPCIPath.String(),
+				FsGroup: &pb.FSGroup{
+					GroupId:           uint32(gid),
+					GroupChangePolicy: pbTypes.FSGroupChangePolicy_OnRootMismatch,
+				},
+			},
+		},
 	}
 
 	for _, test := range tests {
@@ -609,7 +630,7 @@ func TestConstrainGRPCSpec(t *testing.T) {
 	assert.NotNil(g.Linux.Resources.Memory)
 	assert.Nil(g.Linux.Resources.Pids)
 	assert.Nil(g.Linux.Resources.BlockIO)
-	assert.Nil(g.Linux.Resources.HugepageLimits)
+	assert.Len(g.Linux.Resources.HugepageLimits, 0)
 	assert.Nil(g.Linux.Resources.Network)
 	assert.NotNil(g.Linux.Resources.CPU)
 	assert.Equal(g.Process.SelinuxLabel, "")
@@ -665,8 +686,7 @@ func TestHandleShm(t *testing.T) {
 	// In case the type of mount is ephemeral, the container mount is not
 	// shared with the sandbox shm.
 	ociMounts[0].Type = KataEphemeralDevType
-	mountSource := "/tmp/mountPoint"
-	os.Mkdir(mountSource, 0755)
+	mountSource := t.TempDir()
 	ociMounts[0].Source = mountSource
 	k.handleShm(ociMounts, sandbox)
 

src/runtime/virtcontainers/mount.go

@@ -14,6 +14,7 @@ import (
 	"syscall"
 
 	merr "github.com/hashicorp/go-multierror"
+	volume "github.com/kata-containers/kata-containers/src/runtime/pkg/direct-volume"
 	"github.com/kata-containers/kata-containers/src/runtime/pkg/katautils/katatrace"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/utils"
 	"github.com/pkg/errors"
@@ -325,6 +326,7 @@ func bindMountContainerRootfs(ctx context.Context, shareDir, cid, cRootFs string
 }
 
 // Mount describes a container mount.
+// nolint: govet
 type Mount struct {
 	// Source is the source of the mount.
 	Source string
@@ -352,6 +354,14 @@ type Mount struct {
 
 	// ReadOnly specifies if the mount should be read only or not
 	ReadOnly bool
+
+	// FSGroup a group ID that the group ownership of the files for the mounted volume
+	// will need to be changed when set.
+	FSGroup *int
+
+	// FSGroupChangePolicy specifies the policy that will be used when applying
+	// group id ownership change for a volume.
+	FSGroupChangePolicy volume.FSGroupChangePolicy
 }
 
 func isSymlink(path string) bool {

src/runtime/virtcontainers/mount_test.go

@@ -383,6 +383,12 @@ func TestBindMountFailingMount(t *testing.T) {
 	assert.Error(err)
 }
 
+func cleanupFooMount() {
+	dest := filepath.Join(testDir, "fooDirDest")
+
+	syscall.Unmount(dest, 0)
+}
+
 func TestBindMountSuccessful(t *testing.T) {
 	assert := assert.New(t)
 	if tc.NotValid(ktu.NeedRoot()) {
@@ -391,9 +397,7 @@ func TestBindMountSuccessful(t *testing.T) {
 
 	source := filepath.Join(testDir, "fooDirSrc")
 	dest := filepath.Join(testDir, "fooDirDest")
-	syscall.Unmount(dest, 0)
-	os.Remove(source)
-	os.Remove(dest)
+	t.Cleanup(cleanupFooMount)
 
 	err := os.MkdirAll(source, mountPerm)
 	assert.NoError(err)
@@ -403,8 +407,6 @@ func TestBindMountSuccessful(t *testing.T) {
 
 	err = bindMount(context.Background(), source, dest, false, "private")
 	assert.NoError(err)
-
-	syscall.Unmount(dest, 0)
 }
 
 func TestBindMountReadonlySuccessful(t *testing.T) {
@@ -415,9 +417,7 @@ func TestBindMountReadonlySuccessful(t *testing.T) {
 
 	source := filepath.Join(testDir, "fooDirSrc")
 	dest := filepath.Join(testDir, "fooDirDest")
-	syscall.Unmount(dest, 0)
-	os.Remove(source)
-	os.Remove(dest)
+	t.Cleanup(cleanupFooMount)
 
 	err := os.MkdirAll(source, mountPerm)
 	assert.NoError(err)
@@ -428,8 +428,6 @@ func TestBindMountReadonlySuccessful(t *testing.T) {
 	err = bindMount(context.Background(), source, dest, true, "private")
 	assert.NoError(err)
 
-	defer syscall.Unmount(dest, 0)
-
 	// should not be able to create file in read-only mount
 	destFile := filepath.Join(dest, "foo")
 	_, err = os.OpenFile(destFile, os.O_CREATE, mountPerm)
@@ -444,9 +442,7 @@ func TestBindMountInvalidPgtypes(t *testing.T) {
 
 	source := filepath.Join(testDir, "fooDirSrc")
 	dest := filepath.Join(testDir, "fooDirDest")
-	syscall.Unmount(dest, 0)
-	os.Remove(source)
-	os.Remove(dest)
+	t.Cleanup(cleanupFooMount)
 
 	err := os.MkdirAll(source, mountPerm)
 	assert.NoError(err)

src/runtime/virtcontainers/persist/fs/fs.go

@@ -29,11 +29,11 @@ const dirMode = os.FileMode(0700) | os.ModeDir
 // fileMode is the permission bits used for creating a file
 const fileMode = os.FileMode(0600)
 
-// storagePathSuffix is the suffix used for all storage paths
+// StoragePathSuffix is the suffix used for all storage paths
 //
 // Note: this very brief path represents "virtcontainers". It is as
 // terse as possible to minimise path length.
-const storagePathSuffix = "vc"
+const StoragePathSuffix = "vc"
 
 // sandboxPathSuffix is the suffix used for sandbox storage
 const sandboxPathSuffix = "sbs"
@@ -64,7 +64,7 @@ func Init() (persistapi.PersistDriver, error) {
 	return &FS{
 		sandboxState:    &persistapi.SandboxState{},
 		containerState:  make(map[string]persistapi.ContainerState),
-		storageRootPath: filepath.Join("/run", storagePathSuffix),
+		storageRootPath: filepath.Join("/run", StoragePathSuffix),
 		driverName:      "fs",
 	}, nil
 }

src/runtime/virtcontainers/persist/fs/fs_test.go

@@ -14,8 +14,8 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func getFsDriver() (*FS, error) {
-	driver, err := MockFSInit()
+func getFsDriver(t *testing.T) (*FS, error) {
+	driver, err := MockFSInit(t.TempDir())
 	if err != nil {
 		return nil, fmt.Errorf("failed to init fs driver")
 	}
@@ -27,16 +27,8 @@ func getFsDriver() (*FS, error) {
 	return fs.FS, nil
 }
 
-func initTestDir() func() {
-	return func() {
-		os.RemoveAll(MockStorageRootPath())
-	}
-}
-
 func TestFsLockShared(t *testing.T) {
-	defer initTestDir()()
-
-	fs, err := getFsDriver()
+	fs, err := getFsDriver(t)
 	assert.Nil(t, err)
 	assert.NotNil(t, fs)
 
@@ -61,9 +53,7 @@ func TestFsLockShared(t *testing.T) {
 }
 
 func TestFsLockExclusive(t *testing.T) {
-	defer initTestDir()()
-
-	fs, err := getFsDriver()
+	fs, err := getFsDriver(t)
 	assert.Nil(t, err)
 	assert.NotNil(t, fs)
 
@@ -89,9 +79,7 @@ func TestFsLockExclusive(t *testing.T) {
 }
 
 func TestFsDriver(t *testing.T) {
-	defer initTestDir()()
-
-	fs, err := getFsDriver()
+	fs, err := getFsDriver(t)
 	assert.Nil(t, err)
 	assert.NotNil(t, fs)
 
@@ -162,12 +150,10 @@ func TestFsDriver(t *testing.T) {
 }
 
 func TestGlobalReadWrite(t *testing.T) {
-	defer initTestDir()()
-
 	relPath := "test/123/aaa.json"
 	data := "hello this is testing global read write"
 
-	fs, err := getFsDriver()
+	fs, err := getFsDriver(t)
 	assert.Nil(t, err)
 	assert.NotNil(t, fs)
 

src/runtime/virtcontainers/persist/fs/mockfs.go

@@ -7,19 +7,27 @@ package fs
 
 import (
 	"fmt"
-	"os"
 	"path/filepath"
 
 	persistapi "github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/api"
 )
 
+var mockRootPath = ""
+
 type MockFS struct {
 	// inherit from FS. Overwrite if needed.
 	*FS
 }
 
+func EnableMockTesting(rootPath string) {
+	mockRootPath = rootPath
+}
+
 func MockStorageRootPath() string {
-	return filepath.Join(os.TempDir(), "vc", "mockfs")
+	if mockRootPath == "" {
+		panic("Using uninitialized mock storage root path")
+	}
+	return mockRootPath
 }
 
 func MockRunStoragePath() string {
@@ -30,11 +38,7 @@ func MockRunVMStoragePath() string {
 	return filepath.Join(MockStorageRootPath(), vmPathSuffix)
 }
 
-func MockStorageDestroy() {
-	os.RemoveAll(MockStorageRootPath())
-}
-
-func MockFSInit() (persistapi.PersistDriver, error) {
+func MockFSInit(rootPath string) (persistapi.PersistDriver, error) {
 	driver, err := Init()
 	if err != nil {
 		return nil, fmt.Errorf("Could not create Mock FS driver: %v", err)
@@ -45,8 +49,15 @@ func MockFSInit() (persistapi.PersistDriver, error) {
 		return nil, fmt.Errorf("Could not create Mock FS driver")
 	}
 
-	fsDriver.storageRootPath = MockStorageRootPath()
+	fsDriver.storageRootPath = rootPath
 	fsDriver.driverName = "mockfs"
 
 	return &MockFS{fsDriver}, nil
 }
+
+func MockAutoInit() (persistapi.PersistDriver, error) {
+	if mockRootPath != "" {
+		return MockFSInit(MockStorageRootPath())
+	}
+	return nil, nil
+}

src/runtime/virtcontainers/persist/fs/mockfs_test.go

@@ -0,0 +1,34 @@
+// Copyright Red Hat.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package fs
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMockAutoInit(t *testing.T) {
+	assert := assert.New(t)
+	orgMockRootPath := mockRootPath
+	defer func() {
+		mockRootPath = orgMockRootPath
+	}()
+
+	mockRootPath = ""
+
+	fsd, err := MockAutoInit()
+	assert.Nil(fsd)
+	assert.NoError(err)
+
+	// Testing mock driver
+	mockRootPath = t.TempDir()
+	fsd, err = MockAutoInit()
+	assert.NoError(err)
+	expectedFS, err := MockFSInit(MockStorageRootPath())
+	assert.NoError(err)
+	assert.Equal(expectedFS, fsd)
+}

src/runtime/virtcontainers/persist/manager.go

@@ -28,13 +28,8 @@ var (
 		RootFSName:     fs.Init,
 		RootlessFSName: fs.RootlessInit,
 	}
-	mockTesting = false
 )
 
-func EnableMockTesting() {
-	mockTesting = true
-}
-
 // GetDriver returns new PersistDriver according to driver name
 func GetDriverByName(name string) (persistapi.PersistDriver, error) {
 	if expErr != nil {
@@ -56,8 +51,9 @@ func GetDriver() (persistapi.PersistDriver, error) {
 		return nil, expErr
 	}
 
-	if mockTesting {
-		return fs.MockFSInit()
+	mock, err := fs.MockAutoInit()
+	if mock != nil || err != nil {
+		return mock, err
 	}
 
 	if rootless.IsRootless() {

src/runtime/virtcontainers/persist/manager_test.go

@@ -27,12 +27,6 @@ func TestGetDriverByName(t *testing.T) {
 
 func TestGetDriver(t *testing.T) {
 	assert := assert.New(t)
-	orgMockTesting := mockTesting
-	defer func() {
-		mockTesting = orgMockTesting
-	}()
-
-	mockTesting = false
 
 	fsd, err := GetDriver()
 	assert.NoError(err)
@@ -46,12 +40,4 @@ func TestGetDriver(t *testing.T) {
 
 	assert.NoError(err)
 	assert.Equal(expectedFS, fsd)
-
-	// Testing mock driver
-	mockTesting = true
-	fsd, err = GetDriver()
-	assert.NoError(err)
-	expectedFS, err = fs.MockFSInit()
-	assert.NoError(err)
-	assert.Equal(expectedFS, fsd)
 }

src/runtime/virtcontainers/pkg/agent/protocols/grpc/agent.pb.go

@@ -1988,6 +1988,52 @@ func (m *SetGuestDateTimeRequest) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_SetGuestDateTimeRequest proto.InternalMessageInfo
 
+// FSGroup consists of the group id and group ownership change policy
+// that a volume should have its ownership changed to.
+type FSGroup struct {
+	// GroupID is the ID that the group ownership of the
+	// files in the mounted volume will need to be changed to.
+	GroupId uint32 `protobuf:"varint,2,opt,name=group_id,json=groupId,proto3" json:"group_id,omitempty"`
+	// GroupChangePolicy specifies the policy for applying group id
+	// ownership change on a mounted volume.
+	GroupChangePolicy    protocols.FSGroupChangePolicy `protobuf:"varint,3,opt,name=group_change_policy,json=groupChangePolicy,proto3,enum=types.FSGroupChangePolicy" json:"group_change_policy,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                      `json:"-"`
+	XXX_unrecognized     []byte                        `json:"-"`
+	XXX_sizecache        int32                         `json:"-"`
+}
+
+func (m *FSGroup) Reset()      { *m = FSGroup{} }
+func (*FSGroup) ProtoMessage() {}
+func (*FSGroup) Descriptor() ([]byte, []int) {
+	return fileDescriptor_712ce9a559fda969, []int{47}
+}
+func (m *FSGroup) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *FSGroup) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_FSGroup.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *FSGroup) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FSGroup.Merge(m, src)
+}
+func (m *FSGroup) XXX_Size() int {
+	return m.Size()
+}
+func (m *FSGroup) XXX_DiscardUnknown() {
+	xxx_messageInfo_FSGroup.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_FSGroup proto.InternalMessageInfo
+
 // Storage represents both the rootfs of the container, and any volume that
 // could have been defined through the Mount list of the OCI specification.
 type Storage struct {
@@ -2011,11 +2057,14 @@ type Storage struct {
 	// device, "9p" for shared filesystem, or "tmpfs" for shared /dev/shm.
 	Fstype string `protobuf:"bytes,4,opt,name=fstype,proto3" json:"fstype,omitempty"`
 	// Options describes the additional options that might be needed to
-	// mount properly the storage filesytem.
+	// mount properly the storage filesystem.
 	Options []string `protobuf:"bytes,5,rep,name=options,proto3" json:"options,omitempty"`
 	// MountPoint refers to the path where the storage should be mounted
 	// inside the VM.
 	MountPoint string `protobuf:"bytes,6,opt,name=mount_point,json=mountPoint,proto3" json:"mount_point,omitempty"`
+	// FSGroup consists of the group ID and group ownership change policy
+	// that the mounted volume must have its group ID changed to when specified.
+	FsGroup              *FSGroup `protobuf:"bytes,7,opt,name=fs_group,json=fsGroup,proto3" json:"fs_group,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -2024,7 +2073,7 @@ type Storage struct {
 func (m *Storage) Reset()      { *m = Storage{} }
 func (*Storage) ProtoMessage() {}
 func (*Storage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{47}
+	return fileDescriptor_712ce9a559fda969, []int{48}
 }
 func (m *Storage) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2095,7 +2144,7 @@ type Device struct {
 func (m *Device) Reset()      { *m = Device{} }
 func (*Device) ProtoMessage() {}
 func (*Device) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{48}
+	return fileDescriptor_712ce9a559fda969, []int{49}
 }
 func (m *Device) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2136,7 +2185,7 @@ type StringUser struct {
 func (m *StringUser) Reset()      { *m = StringUser{} }
 func (*StringUser) ProtoMessage() {}
 func (*StringUser) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{49}
+	return fileDescriptor_712ce9a559fda969, []int{50}
 }
 func (m *StringUser) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2193,7 +2242,7 @@ type CopyFileRequest struct {
 func (m *CopyFileRequest) Reset()      { *m = CopyFileRequest{} }
 func (*CopyFileRequest) ProtoMessage() {}
 func (*CopyFileRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{50}
+	return fileDescriptor_712ce9a559fda969, []int{51}
 }
 func (m *CopyFileRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2231,7 +2280,7 @@ type GetOOMEventRequest struct {
 func (m *GetOOMEventRequest) Reset()      { *m = GetOOMEventRequest{} }
 func (*GetOOMEventRequest) ProtoMessage() {}
 func (*GetOOMEventRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{51}
+	return fileDescriptor_712ce9a559fda969, []int{52}
 }
 func (m *GetOOMEventRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2270,7 +2319,7 @@ type OOMEvent struct {
 func (m *OOMEvent) Reset()      { *m = OOMEvent{} }
 func (*OOMEvent) ProtoMessage() {}
 func (*OOMEvent) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{52}
+	return fileDescriptor_712ce9a559fda969, []int{53}
 }
 func (m *OOMEvent) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2309,7 +2358,7 @@ type AddSwapRequest struct {
 func (m *AddSwapRequest) Reset()      { *m = AddSwapRequest{} }
 func (*AddSwapRequest) ProtoMessage() {}
 func (*AddSwapRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{53}
+	return fileDescriptor_712ce9a559fda969, []int{54}
 }
 func (m *AddSwapRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2347,7 +2396,7 @@ type GetMetricsRequest struct {
 func (m *GetMetricsRequest) Reset()      { *m = GetMetricsRequest{} }
 func (*GetMetricsRequest) ProtoMessage() {}
 func (*GetMetricsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{54}
+	return fileDescriptor_712ce9a559fda969, []int{55}
 }
 func (m *GetMetricsRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2386,7 +2435,7 @@ type Metrics struct {
 func (m *Metrics) Reset()      { *m = Metrics{} }
 func (*Metrics) ProtoMessage() {}
 func (*Metrics) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{55}
+	return fileDescriptor_712ce9a559fda969, []int{56}
 }
 func (m *Metrics) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2426,7 +2475,7 @@ type VolumeStatsRequest struct {
 func (m *VolumeStatsRequest) Reset()      { *m = VolumeStatsRequest{} }
 func (*VolumeStatsRequest) ProtoMessage() {}
 func (*VolumeStatsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{56}
+	return fileDescriptor_712ce9a559fda969, []int{57}
 }
 func (m *VolumeStatsRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2467,7 +2516,7 @@ type ResizeVolumeRequest struct {
 func (m *ResizeVolumeRequest) Reset()      { *m = ResizeVolumeRequest{} }
 func (*ResizeVolumeRequest) ProtoMessage() {}
 func (*ResizeVolumeRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_712ce9a559fda969, []int{57}
+	return fileDescriptor_712ce9a559fda969, []int{58}
 }
 func (m *ResizeVolumeRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -2546,6 +2595,7 @@ func init() {
 	proto.RegisterType((*GuestDetailsResponse)(nil), "grpc.GuestDetailsResponse")
 	proto.RegisterType((*MemHotplugByProbeRequest)(nil), "grpc.MemHotplugByProbeRequest")
 	proto.RegisterType((*SetGuestDateTimeRequest)(nil), "grpc.SetGuestDateTimeRequest")
+	proto.RegisterType((*FSGroup)(nil), "grpc.FSGroup")
 	proto.RegisterType((*Storage)(nil), "grpc.Storage")
 	proto.RegisterType((*Device)(nil), "grpc.Device")
 	proto.RegisterType((*StringUser)(nil), "grpc.StringUser")
@@ -2564,198 +2614,203 @@ func init() {
 }
 
 var fileDescriptor_712ce9a559fda969 = []byte{
-	// 3055 bytes of a gzipped FileDescriptorProto
+	// 3127 bytes of a gzipped FileDescriptorProto
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+	0xf4, 0x1d, 0x49, 0x8c, 0x24, 0x00, 0x00,
 }
 
 func (m *CreateContainerRequest) Marshal() (dAtA []byte, err error) {
@@ -5108,6 +5163,43 @@ func (m *SetGuestDateTimeRequest) MarshalToSizedBuffer(dAtA []byte) (int, error)
 	return len(dAtA) - i, nil
 }
 
+func (m *FSGroup) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *FSGroup) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *FSGroup) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.XXX_unrecognized != nil {
+		i -= len(m.XXX_unrecognized)
+		copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	if m.GroupChangePolicy != 0 {
+		i = encodeVarintAgent(dAtA, i, uint64(m.GroupChangePolicy))
+		i--
+		dAtA[i] = 0x18
+	}
+	if m.GroupId != 0 {
+		i = encodeVarintAgent(dAtA, i, uint64(m.GroupId))
+		i--
+		dAtA[i] = 0x10
+	}
+	return len(dAtA) - i, nil
+}
+
 func (m *Storage) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -5132,6 +5224,18 @@ func (m *Storage) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if m.FsGroup != nil {
+		{
+			size, err := m.FsGroup.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintAgent(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x3a
+	}
 	if len(m.MountPoint) > 0 {
 		i -= len(m.MountPoint)
 		copy(dAtA[i:], m.MountPoint)
@@ -5452,20 +5556,20 @@ func (m *AddSwapRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
 	if len(m.PCIPath) > 0 {
-		dAtA26 := make([]byte, len(m.PCIPath)*10)
-		var j25 int
+		dAtA27 := make([]byte, len(m.PCIPath)*10)
+		var j26 int
 		for _, num := range m.PCIPath {
 			for num >= 1<<7 {
-				dAtA26[j25] = uint8(uint64(num)&0x7f | 0x80)
+				dAtA27[j26] = uint8(uint64(num)&0x7f | 0x80)
 				num >>= 7
-				j25++
+				j26++
 			}
-			dAtA26[j25] = uint8(num)
-			j25++
+			dAtA27[j26] = uint8(num)
+			j26++
 		}
-		i -= j25
-		copy(dAtA[i:], dAtA26[:j25])
-		i = encodeVarintAgent(dAtA, i, uint64(j25))
+		i -= j26
+		copy(dAtA[i:], dAtA27[:j26])
+		i = encodeVarintAgent(dAtA, i, uint64(j26))
 		i--
 		dAtA[i] = 0xa
 	}
@@ -6684,6 +6788,24 @@ func (m *SetGuestDateTimeRequest) Size() (n int) {
 	return n
 }
 
+func (m *FSGroup) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.GroupId != 0 {
+		n += 1 + sovAgent(uint64(m.GroupId))
+	}
+	if m.GroupChangePolicy != 0 {
+		n += 1 + sovAgent(uint64(m.GroupChangePolicy))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
 func (m *Storage) Size() (n int) {
 	if m == nil {
 		return 0
@@ -6718,6 +6840,10 @@ func (m *Storage) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovAgent(uint64(l))
 	}
+	if m.FsGroup != nil {
+		l = m.FsGroup.Size()
+		n += 1 + l + sovAgent(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -7631,6 +7757,18 @@ func (this *SetGuestDateTimeRequest) String() string {
 	}, "")
 	return s
 }
+func (this *FSGroup) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&FSGroup{`,
+		`GroupId:` + fmt.Sprintf("%v", this.GroupId) + `,`,
+		`GroupChangePolicy:` + fmt.Sprintf("%v", this.GroupChangePolicy) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *Storage) String() string {
 	if this == nil {
 		return "nil"
@@ -7642,6 +7780,7 @@ func (this *Storage) String() string {
 		`Fstype:` + fmt.Sprintf("%v", this.Fstype) + `,`,
 		`Options:` + fmt.Sprintf("%v", this.Options) + `,`,
 		`MountPoint:` + fmt.Sprintf("%v", this.MountPoint) + `,`,
+		`FsGroup:` + strings.Replace(this.FsGroup.String(), "FSGroup", "FSGroup", 1) + `,`,
 		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
@@ -14422,6 +14561,95 @@ func (m *SetGuestDateTimeRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *FSGroup) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAgent
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: FSGroup: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: FSGroup: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field GroupId", wireType)
+			}
+			m.GroupId = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAgent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.GroupId |= uint32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field GroupChangePolicy", wireType)
+			}
+			m.GroupChangePolicy = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAgent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.GroupChangePolicy |= protocols.FSGroupChangePolicy(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAgent(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthAgent
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *Storage) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -14643,6 +14871,42 @@ func (m *Storage) Unmarshal(dAtA []byte) error {
 			}
 			m.MountPoint = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field FsGroup", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAgent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthAgent
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthAgent
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.FsGroup == nil {
+				m.FsGroup = &FSGroup{}
+			}
+			if err := m.FsGroup.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipAgent(dAtA[iNdEx:])

src/runtime/virtcontainers/pkg/agent/protocols/types.pb.go

@@ -49,6 +49,35 @@ func (IPFamily) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_f715d0876e8f65d3, []int{0}
 }
 
+// FSGroupChangePolicy defines the policy for applying group id ownership change on a mounted volume.
+type FSGroupChangePolicy int32
+
+const (
+	// Always indicates that the volume ownership will always be changed.
+	FSGroupChangePolicy_Always FSGroupChangePolicy = 0
+	// OnRootMismatch indicates that the volume ownership will be changed only
+	// when the ownership of the root directory does not match with the expected group id for the volume.
+	FSGroupChangePolicy_OnRootMismatch FSGroupChangePolicy = 1
+)
+
+var FSGroupChangePolicy_name = map[int32]string{
+	0: "Always",
+	1: "OnRootMismatch",
+}
+
+var FSGroupChangePolicy_value = map[string]int32{
+	"Always":         0,
+	"OnRootMismatch": 1,
+}
+
+func (x FSGroupChangePolicy) String() string {
+	return proto.EnumName(FSGroupChangePolicy_name, int32(x))
+}
+
+func (FSGroupChangePolicy) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_f715d0876e8f65d3, []int{1}
+}
+
 type IPAddress struct {
 	Family               IPFamily `protobuf:"varint,1,opt,name=family,proto3,enum=types.IPFamily" json:"family,omitempty"`
 	Address              string   `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
@@ -230,6 +259,7 @@ var xxx_messageInfo_ARPNeighbor proto.InternalMessageInfo
 
 func init() {
 	proto.RegisterEnum("types.IPFamily", IPFamily_name, IPFamily_value)
+	proto.RegisterEnum("types.FSGroupChangePolicy", FSGroupChangePolicy_name, FSGroupChangePolicy_value)
 	proto.RegisterType((*IPAddress)(nil), "types.IPAddress")
 	proto.RegisterType((*Interface)(nil), "types.Interface")
 	proto.RegisterType((*Route)(nil), "types.Route")
@@ -241,38 +271,40 @@ func init() {
 }
 
 var fileDescriptor_f715d0876e8f65d3 = []byte{
-	// 482 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x93, 0x3f, 0x8b, 0xdb, 0x30,
-	0x18, 0xc6, 0xa3, 0x38, 0xf6, 0xc5, 0x0a, 0xd7, 0x06, 0x51, 0x0e, 0xd1, 0x82, 0x31, 0x59, 0x6a,
-	0x0a, 0x8d, 0x21, 0x2d, 0xdd, 0xaf, 0xc3, 0x41, 0x96, 0x62, 0xb4, 0xb5, 0x4b, 0x91, 0x1d, 0xc5,
-	0x31, 0xb1, 0x2d, 0x23, 0xc9, 0x09, 0xd9, 0xfa, 0x45, 0xba, 0xf5, 0xc3, 0xdc, 0xd8, 0xb1, 0xe3,
-	0x25, 0x9f, 0xa4, 0x48, 0x72, 0x52, 0xf7, 0x0f, 0x85, 0x9b, 0xf2, 0xfe, 0x5e, 0x49, 0x79, 0x9f,
-	0xe7, 0x91, 0x05, 0x93, 0xbc, 0x50, 0x9b, 0x36, 0x9d, 0x67, 0xbc, 0x8a, 0xb7, 0x54, 0xd1, 0xd7,
-	0x19, 0xaf, 0x15, 0x2d, 0x6a, 0x26, 0xe4, 0x5f, 0x2c, 0x45, 0x16, 0x97, 0x45, 0x2a, 0xe3, 0x46,
-	0x70, 0xc5, 0x33, 0x5e, 0x76, 0x95, 0x8c, 0xd5, 0xa1, 0x61, 0x72, 0x6e, 0x00, 0xb9, 0x06, 0x66,
-	0x29, 0xf4, 0x97, 0xc9, 0xed, 0x6a, 0x25, 0x98, 0x94, 0xe8, 0x25, 0xf4, 0xd6, 0xb4, 0x2a, 0xca,
-	0x03, 0x06, 0x21, 0x88, 0x9e, 0x2c, 0x9e, 0xce, 0xed, 0x89, 0x65, 0x72, 0x67, 0xda, 0xa4, 0x5b,
-	0x46, 0x18, 0x5e, 0x51, 0x7b, 0x06, 0x0f, 0x43, 0x10, 0xf9, 0xe4, 0x8c, 0x08, 0xc1, 0x51, 0x45,
-	0xe5, 0x16, 0x3b, 0xa6, 0x6d, 0xea, 0xd9, 0x03, 0x80, 0xfe, 0xb2, 0x56, 0x4c, 0xac, 0x69, 0xc6,
-	0xd0, 0x0d, 0xf4, 0x56, 0x6c, 0x57, 0x64, 0xcc, 0x0c, 0xf1, 0x49, 0x47, 0xfa, 0x64, 0x4d, 0x2b,
-	0xd6, 0xfd, 0xa1, 0xa9, 0xd1, 0x02, 0x4e, 0x2e, 0xea, 0x98, 0xc4, 0x4e, 0xe8, 0x44, 0x93, 0xc5,
-	0xf4, 0xa2, 0xaa, 0x5b, 0x21, 0xfd, 0x4d, 0x68, 0x0a, 0x9d, 0x4a, 0xb5, 0x78, 0x14, 0x82, 0x68,
-	0x44, 0x74, 0xa9, 0x27, 0x6e, 0xf6, 0x7a, 0x03, 0x76, 0xed, 0x44, 0x4b, 0xda, 0x45, 0x93, 0x15,
-	0x09, 0x55, 0x1b, 0xec, 0x59, 0x17, 0x1d, 0x6a, 0x2d, 0x7a, 0x06, 0xbe, 0xb2, 0x5a, 0x74, 0x8d,
-	0x5e, 0x40, 0x5f, 0xd0, 0xfd, 0xe7, 0x75, 0x49, 0x73, 0x89, 0xc7, 0x21, 0x88, 0xae, 0xc9, 0x58,
-	0xd0, 0xfd, 0x9d, 0xe6, 0xd9, 0x37, 0x00, 0x5d, 0xc2, 0x5b, 0x65, 0x6c, 0xac, 0x98, 0x54, 0x9d,
-	0x39, 0x53, 0xeb, 0x41, 0x39, 0x55, 0x6c, 0x4f, 0x0f, 0xe7, 0xb8, 0x3a, 0xec, 0x85, 0xe1, 0xfc,
-	0x16, 0xc6, 0x0d, 0xf4, 0x24, 0x6f, 0x45, 0xc6, 0x8c, 0x0f, 0x9f, 0x74, 0x84, 0x9e, 0x41, 0x57,
-	0x66, 0xbc, 0x61, 0xc6, 0xc9, 0x35, 0xb1, 0xd0, 0xbb, 0x37, 0xef, 0xbf, 0xf7, 0x36, 0xfb, 0x0a,
-	0xe0, 0xe4, 0x96, 0x24, 0x1f, 0x58, 0x91, 0x6f, 0x52, 0x2e, 0x74, 0xbe, 0x8a, 0x5f, 0xc2, 0x33,
-	0x9a, 0xff, 0x99, 0x6f, 0x6f, 0x53, 0x4f, 0xf2, 0xf0, 0x4f, 0xc9, 0x65, 0xa9, 0x3f, 0x83, 0xb3,
-	0x15, 0x4b, 0x46, 0xb2, 0xa2, 0xca, 0x3a, 0x71, 0x89, 0x05, 0xdd, 0xb5, 0x49, 0xba, 0xb6, 0x6b,
-	0xe0, 0xd5, 0x73, 0x38, 0x3e, 0x6b, 0x46, 0x1e, 0x1c, 0xee, 0xde, 0x4e, 0x07, 0xe6, 0xf7, 0xdd,
-	0x14, 0xbc, 0x97, 0xf7, 0xc7, 0x60, 0xf0, 0xe3, 0x18, 0x0c, 0xbe, 0x9c, 0x02, 0x70, 0x7f, 0x0a,
-	0xc0, 0xf7, 0x53, 0x00, 0x1e, 0x4e, 0x01, 0xf8, 0xf4, 0xf1, 0x91, 0x8f, 0x43, 0xb4, 0xb5, 0x2a,
-	0x2a, 0x16, 0xef, 0x0a, 0xa1, 0x7a, 0x4b, 0xcd, 0x36, 0x8f, 0x69, 0xce, 0x6a, 0xf5, 0xeb, 0xe1,
-	0xa4, 0x9e, 0x29, 0xdf, 0xfc, 0x0c, 0x00, 0x00, 0xff, 0xff, 0xae, 0x92, 0x74, 0xed, 0x80, 0x03,
-	0x00, 0x00,
+	// 527 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x93, 0xcd, 0x8e, 0xd3, 0x30,
+	0x14, 0x85, 0xeb, 0x69, 0x93, 0x69, 0x5c, 0xcd, 0x10, 0x19, 0x34, 0x8a, 0x40, 0x8a, 0xaa, 0x6e,
+	0xa8, 0x46, 0xa2, 0x91, 0xca, 0xcf, 0xbe, 0x20, 0x15, 0x75, 0x01, 0x44, 0x66, 0x05, 0x1b, 0xe4,
+	0xa6, 0x6e, 0x62, 0x35, 0x89, 0x23, 0xdb, 0x69, 0xd5, 0x1d, 0x2f, 0xc2, 0x8e, 0x87, 0x99, 0x25,
+	0x4b, 0x96, 0x33, 0x7d, 0x12, 0x64, 0x3b, 0x2d, 0xe1, 0x47, 0x48, 0xac, 0x7a, 0xbf, 0x6b, 0xbb,
+	0xf7, 0x9c, 0xe3, 0x18, 0xc6, 0x29, 0x53, 0x59, 0xbd, 0x9c, 0x24, 0xbc, 0x88, 0x36, 0x44, 0x91,
+	0x27, 0x09, 0x2f, 0x15, 0x61, 0x25, 0x15, 0xf2, 0x0f, 0x96, 0x22, 0x89, 0x72, 0xb6, 0x94, 0x51,
+	0x25, 0xb8, 0xe2, 0x09, 0xcf, 0x9b, 0x4a, 0x46, 0x6a, 0x5f, 0x51, 0x39, 0x31, 0x80, 0x1c, 0x03,
+	0xa3, 0x25, 0xf4, 0x16, 0xf1, 0x6c, 0xb5, 0x12, 0x54, 0x4a, 0xf4, 0x18, 0xba, 0x6b, 0x52, 0xb0,
+	0x7c, 0x1f, 0x80, 0x21, 0x18, 0x5f, 0x4e, 0xef, 0x4d, 0xec, 0x89, 0x45, 0x3c, 0x37, 0x6d, 0xdc,
+	0x2c, 0xa3, 0x00, 0x9e, 0x13, 0x7b, 0x26, 0x38, 0x1b, 0x82, 0xb1, 0x87, 0x8f, 0x88, 0x10, 0xec,
+	0x15, 0x44, 0x6e, 0x82, 0xae, 0x69, 0x9b, 0x7a, 0x74, 0x0b, 0xa0, 0xb7, 0x28, 0x15, 0x15, 0x6b,
+	0x92, 0x50, 0x74, 0x05, 0xdd, 0x15, 0xdd, 0xb2, 0x84, 0x9a, 0x21, 0x1e, 0x6e, 0x48, 0x9f, 0x2c,
+	0x49, 0x41, 0x9b, 0x3f, 0x34, 0x35, 0x9a, 0xc2, 0xc1, 0x49, 0x1d, 0x95, 0x41, 0x77, 0xd8, 0x1d,
+	0x0f, 0xa6, 0xfe, 0x49, 0x55, 0xb3, 0x82, 0xdb, 0x9b, 0x90, 0x0f, 0xbb, 0x85, 0xaa, 0x83, 0xde,
+	0x10, 0x8c, 0x7b, 0x58, 0x97, 0x7a, 0x62, 0xb6, 0xd3, 0x1b, 0x02, 0xc7, 0x4e, 0xb4, 0xa4, 0x5d,
+	0x54, 0x09, 0x8b, 0x89, 0xca, 0x02, 0xd7, 0xba, 0x68, 0x50, 0x6b, 0xd1, 0x33, 0x82, 0x73, 0xab,
+	0x45, 0xd7, 0xe8, 0x11, 0xf4, 0x04, 0xd9, 0x7d, 0x5a, 0xe7, 0x24, 0x95, 0x41, 0x7f, 0x08, 0xc6,
+	0x17, 0xb8, 0x2f, 0xc8, 0x6e, 0xae, 0x79, 0xf4, 0x15, 0x40, 0x07, 0xf3, 0x5a, 0x19, 0x1b, 0x2b,
+	0x2a, 0x55, 0x63, 0xce, 0xd4, 0x7a, 0x50, 0x4a, 0x14, 0xdd, 0x91, 0xfd, 0x31, 0xae, 0x06, 0x5b,
+	0x61, 0x74, 0x7f, 0x09, 0xe3, 0x0a, 0xba, 0x92, 0xd7, 0x22, 0xa1, 0xc6, 0x87, 0x87, 0x1b, 0x42,
+	0x0f, 0xa0, 0x23, 0x13, 0x5e, 0x51, 0xe3, 0xe4, 0x02, 0x5b, 0x68, 0xdd, 0x9b, 0xfb, 0xcf, 0x7b,
+	0x1b, 0x7d, 0x01, 0x70, 0x30, 0xc3, 0xf1, 0x5b, 0xca, 0xd2, 0x6c, 0xc9, 0x85, 0xce, 0x57, 0xf1,
+	0x53, 0x78, 0x46, 0xf3, 0x5f, 0xf3, 0x6d, 0x6d, 0x6a, 0x49, 0x3e, 0xfb, 0x5d, 0x72, 0x9e, 0xeb,
+	0xcf, 0xe0, 0x68, 0xc5, 0x92, 0x91, 0xac, 0x88, 0xb2, 0x4e, 0x1c, 0x6c, 0x41, 0x77, 0x6d, 0x92,
+	0x8e, 0xed, 0x1a, 0xb8, 0x7e, 0x08, 0xfb, 0x47, 0xcd, 0xc8, 0x85, 0x67, 0xdb, 0x67, 0x7e, 0xc7,
+	0xfc, 0xbe, 0xf0, 0xc1, 0xf5, 0x73, 0x78, 0x7f, 0xfe, 0xfe, 0xb5, 0xe0, 0x75, 0xf5, 0x2a, 0x23,
+	0x65, 0x4a, 0x63, 0x9e, 0xb3, 0x64, 0x8f, 0x20, 0x74, 0x67, 0xf9, 0x8e, 0xec, 0xa5, 0xdf, 0x41,
+	0x08, 0x5e, 0xbe, 0x2b, 0x31, 0xe7, 0xea, 0x0d, 0x93, 0x05, 0x51, 0x49, 0xe6, 0x83, 0x97, 0xf2,
+	0xe6, 0x2e, 0xec, 0x7c, 0xbf, 0x0b, 0x3b, 0x9f, 0x0f, 0x21, 0xb8, 0x39, 0x84, 0xe0, 0xdb, 0x21,
+	0x04, 0xb7, 0x87, 0x10, 0x7c, 0xfc, 0xf0, 0x9f, 0x6f, 0x4a, 0xd4, 0xa5, 0x62, 0x05, 0x8d, 0xb6,
+	0x4c, 0xa8, 0xd6, 0x52, 0xb5, 0x49, 0x23, 0x92, 0xd2, 0x52, 0xfd, 0x7c, 0x6f, 0x4b, 0xd7, 0x94,
+	0x4f, 0x7f, 0x04, 0x00, 0x00, 0xff, 0xff, 0xd7, 0x28, 0x03, 0xf1, 0xb7, 0x03, 0x00, 0x00,
 }
 
 func (m *IPAddress) Marshal() (dAtA []byte, err error) {

src/runtime/virtcontainers/virtcontainers_test.go

@@ -15,7 +15,6 @@ import (
 	"syscall"
 	"testing"
 
-	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/persist/fs"
 	"github.com/kata-containers/kata-containers/src/runtime/virtcontainers/utils"
 	"github.com/sirupsen/logrus"
@@ -58,8 +57,6 @@ var testHyperstartTtySocket = ""
 // cleanUp Removes any stale sandbox/container state that can affect
 // the next test to run.
 func cleanUp() {
-	os.RemoveAll(fs.MockRunStoragePath())
-	os.RemoveAll(fs.MockRunVMStoragePath())
 	syscall.Unmount(GetSharePath(testSandboxID), syscall.MNT_DETACH|UmountNoFollow)
 	os.RemoveAll(testDir)
 	os.MkdirAll(testDir, DirMode)
@@ -108,8 +105,6 @@ func setupClh() {
 func TestMain(m *testing.M) {
 	var err error
 
-	persist.EnableMockTesting()
-
 	flag.Parse()
 
 	logger := logrus.NewEntry(logrus.New())
@@ -126,6 +121,8 @@ func TestMain(m *testing.M) {
 		panic(err)
 	}
 
+	fs.EnableMockTesting(filepath.Join(testDir, "mockfs"))
+
 	fmt.Printf("INFO: Creating virtcontainers test directory %s\n", testDir)
 	err = os.MkdirAll(testDir, DirMode)
 	if err != nil {

src/runtime/virtcontainers/virtiofsd.go

@@ -6,7 +6,6 @@
 package virtcontainers
 
 import (
-	"bufio"
 	"context"
 	"fmt"
 	"net"
@@ -136,24 +135,14 @@ func (v *virtiofsd) Start(ctx context.Context, onQuit onQuitFunc) (int, error) {
 
 	v.Logger().WithField("path", v.path).Info()
 	v.Logger().WithField("args", strings.Join(args, " ")).Info()
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		return pid, err
-	}
 
 	if err = utils.StartCmd(cmd); err != nil {
 		return pid, err
 	}
 
-	// Monitor virtiofsd's stderr and stop sandbox if virtiofsd quits
 	go func() {
-		scanner := bufio.NewScanner(stderr)
-		for scanner.Scan() {
-			v.Logger().WithField("source", "virtiofsd").Info(scanner.Text())
-		}
-		v.Logger().Info("virtiofsd quits")
-		// Wait to release resources of virtiofsd process
 		cmd.Process.Wait()
+		v.Logger().Info("virtiofsd quits")
 		if onQuit != nil {
 			onQuit()
 		}

src/tools/agent-ctl/src/utils.rs

@@ -400,7 +400,7 @@ fn memory_oci_to_ttrpc(
             Swap: mem.swap.unwrap_or(0),
             Kernel: mem.kernel.unwrap_or(0),
             KernelTCP: mem.kernel_tcp.unwrap_or(0),
-            Swappiness: mem.swappiness.unwrap_or(0) as u64,
+            Swappiness: mem.swappiness.unwrap_or(0),
             DisableOOMKiller: mem.disable_oom_killer.unwrap_or(false),
             unknown_fields: protobuf::UnknownFields::new(),
             cached_size: protobuf::CachedSize::default(),

tools/packaging/kata-deploy/local-build/.gitignore

@@ -0,0 +1 @@
+build/

tools/packaging/kata-deploy/local-build/Makefile

@@ -15,8 +15,11 @@ endef
 
 kata-tarball: | all-parallel merge-builds
 
-all-parallel:
-	${MAKE} -f $(MK_PATH) all -j$$(( $$(nproc) - 1  )) NO_TTY="true" V=
+$(MK_DIR)/dockerbuild/install_yq.sh:
+	$(MK_DIR)/kata-deploy-copy-yq-installer.sh
+
+all-parallel: $(MK_DIR)/dockerbuild/install_yq.sh
+	${MAKE} -f $(MK_PATH) all -j$$(( $$(nproc) - 1  )) V=
 
 all: cloud-hypervisor-tarball \
 	firecracker-tarball \
@@ -26,7 +29,7 @@ all: cloud-hypervisor-tarball \
 	rootfs-initrd-tarball \
 	shim-v2-tarball
 
-%-tarball-build:
+%-tarball-build: $(MK_DIR)/dockerbuild/install_yq.sh
 	$(call BUILD,$*)
 
 cloud-hypervisor-tarball:

tools/packaging/kata-deploy/local-build/kata-deploy-binaries-in-docker.sh

@@ -16,25 +16,17 @@ kata_deploy_create="${script_dir}/kata-deploy-binaries.sh"
 uid=$(id -u ${USER})
 gid=$(id -g ${USER})
 
-TTY_OPT="-i"
-NO_TTY="${NO_TTY:-false}"
-[ -t 1 ] &&  [ "${NO_TTY}"  == "false" ] && TTY_OPT="-it"
-
 if [ "${script_dir}" != "${PWD}" ]; then
 	ln -sf "${script_dir}/build" "${PWD}/build"
 fi
 
-install_yq_script_path="${script_dir}/../../../../ci/install_yq.sh"
-
-cp "${install_yq_script_path}" "${script_dir}/dockerbuild/install_yq.sh"
-
 docker build -q -t build-kata-deploy \
 	--build-arg IMG_USER="${USER}" \
 	--build-arg UID=${uid} \
 	--build-arg GID=${gid} \
 	"${script_dir}/dockerbuild/"
 
-docker run ${TTY_OPT} \
+docker run \
 	-v /var/run/docker.sock:/var/run/docker.sock \
 	--user ${uid}:${gid} \
 	--env USER=${USER} -v "${kata_dir}:${kata_dir}" \

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -8,6 +8,7 @@
 set -o errexit
 set -o nounset
 set -o pipefail
+set -o errtrace
 
 readonly project="kata-containers"
 
@@ -64,6 +65,7 @@ version: The kata version that will be use to create the tarball
 options:
 
 -h|--help      	      : Show this help
+-s             	      : Silent mode (produce output in case of failure only)
 --build=<asset>       :
 	all
 	cloud-hypervisor
@@ -195,6 +197,18 @@ handle_build() {
 	tar tvf "${tarball_name}"
 }
 
+silent_mode_error_trap() {
+	local stdout="$1"
+	local stderr="$2"
+	local t="$3"
+	local log_file="$4"
+	exec 1>&${stdout}
+	exec 2>&${stderr}
+	error "Failed to build: $t, logs:"
+	cat "${log_file}"
+	exit 1
+}
+
 main() {
 	local build_targets
 	local silent
@@ -247,11 +261,15 @@ main() {
 		(
 			cd "${builddir}"
 			if [ "${silent}" == true ]; then
-				if ! handle_build "${t}" &>"$log_file"; then
-					error "Failed to build: $t, logs:"
-					cat "${log_file}"
-					exit 1
-				fi
+				local stdout
+				local stderr
+				# Save stdout and stderr, to be restored
+				# by silent_mode_error_trap() in case of
+				# build failure.
+				exec {stdout}>&1
+				exec {stderr}>&2
+				trap "silent_mode_error_trap $stdout $stderr $t \"$log_file\"" ERR
+				handle_build "${t}" &>"$log_file"
 			else
 				handle_build "${t}"
 			fi

tools/packaging/kata-deploy/local-build/kata-deploy-copy-yq-installer.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2018-2021 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o errtrace
+
+script_dir=$(dirname "$(readlink -f "$0")")
+install_yq_script_path="${script_dir}/../../../../ci/install_yq.sh"
+
+cp "${install_yq_script_path}" "${script_dir}/dockerbuild/install_yq.sh"

tools/packaging/static-build/cloud-hypervisor/build-static-clh.sh

@@ -41,14 +41,15 @@ pull_clh_released_binary() {
     curl --fail -L ${cloud_hypervisor_binary} -o cloud-hypervisor-static || return 1
     mkdir -p cloud-hypervisor
     mv -f cloud-hypervisor-static cloud-hypervisor/cloud-hypervisor
-    chmod +x cloud_hypervisor/cloud-hypervisor
+    chmod +x cloud-hypervisor/cloud-hypervisor
 }
 
 build_clh_from_source() {
     info "Build ${cloud_hypervisor_repo} version: ${cloud_hypervisor_version}"
     repo_dir=$(basename "${cloud_hypervisor_repo}")
     repo_dir="${repo_dir//.git}"
-    [ -d "${repo_dir}" ] || git clone "${cloud_hypervisor_repo}"
+    rm -rf "${repo_dir}"
+    git clone "${cloud_hypervisor_repo}"
     pushd "${repo_dir}"
     git fetch || true
     git checkout "${cloud_hypervisor_version}"

versions.yaml

@@ -83,7 +83,7 @@ assets:
       uscan-url: >-
         https://github.com/firecracker-microvm/firecracker/tags
         .*/v?(\d\S+)\.tar\.gz
-      version: "v0.23.1"
+      version: "v0.23.4"
 
     qemu:
       description: "VMM that uses KVM"