runtime: refactor commandline code directory

Move all command line code to `cmd` and move containerd-shim-v2 to pkg.

Fixes: #2627
Signed-off-by: Peng Tao <bergwolf@hyper.sh>

docs/design/architecture.md

@@ -14,7 +14,7 @@ through the [CRI-O\*](https://github.com/kubernetes-incubator/cri-o) and
 
 Kata Containers creates a QEMU\*/KVM virtual machine for pod that `kubelet` (Kubernetes) creates respectively.
 
-The [`containerd-shim-kata-v2` (shown as `shimv2` from this point onwards)](../../src/runtime/containerd-shim-v2) 
+The [`containerd-shim-kata-v2` (shown as `shimv2` from this point onwards)](../../src/runtime/cmd/containerd-shim-kata-v2/)
 is the Kata Containers entrypoint, which
 implements the [Containerd Runtime V2 (Shim API)](https://github.com/containerd/containerd/tree/master/runtime/v2) for Kata.
 

docs/how-to/containerd-kata.md

@@ -39,7 +39,7 @@ use `RuntimeClass` instead of the deprecated annotations.
 
 ### Containerd Runtime V2 API: Shim V2 API
 
-The [`containerd-shim-kata-v2` (short as `shimv2` in this documentation)](../../src/runtime/containerd-shim-v2) 
+The [`containerd-shim-kata-v2` (short as `shimv2` in this documentation)](../../src/runtime/cmd/containerd-shim-kata-v2/)
 implements the [Containerd Runtime V2 (Shim API)](https://github.com/containerd/containerd/tree/master/runtime/v2) for Kata.
 With `shimv2`, Kubernetes can launch Pod and OCI-compatible containers with one shim per Pod. Prior to `shimv2`, `2N+1` 
 shims (i.e. a `containerd-shim` and a `kata-shim` for each container and the Pod sandbox itself) and no standalone `kata-proxy` 

src/runtime/.gitignore

@@ -5,16 +5,10 @@ coverage.txt
 coverage.html
 .git-commit
 .git-commit.tmp
-/cli/config/configuration-acrn.toml
-/cli/config/configuration-clh.toml
-/cli/config/configuration-fc.toml
-/cli/config/configuration-qemu.toml
-/cli/config/configuration-clh.toml
-/cli/config-generated.go
-/cli/containerd-shim-kata-v2/config-generated.go
-/cli/coverage.html
+/config/*.toml
+config-generated.go
 /containerd-shim-kata-v2
-/containerd-shim-v2/monitor_address
+/cmd/containerd-shim-v2/monitor_address
 /data/kata-collect-data.sh
 /kata-monitor
 /kata-netmon

src/runtime/Makefile

@@ -51,12 +51,13 @@ PROJECT_DIR = $(PROJECT_TAG)
 IMAGENAME = $(PROJECT_TAG).img
 
 TARGET = $(BIN_PREFIX)-runtime
-TARGET_OUTPUT = $(CURDIR)/$(TARGET)
+RUNTIME_OUTPUT = $(CURDIR)/$(TARGET)
+RUNTIME_DIR = $(CLI_DIR)/$(TARGET)
 BINLIST += $(TARGET)
 
-NETMON_DIR = netmon
+NETMON_DIR = $(CLI_DIR)/netmon
 NETMON_TARGET = $(PROJECT_TYPE)-netmon
-NETMON_TARGET_OUTPUT = $(CURDIR)/$(NETMON_TARGET)
+NETMON_RUNTIME_OUTPUT = $(CURDIR)/$(NETMON_TARGET)
 BINLIBEXECLIST += $(NETMON_TARGET)
 
 DESTDIR ?= /
@@ -200,7 +201,7 @@ FEATURE_SELINUX ?= check
 
 SED = sed
 
-CLI_DIR = cli
+CLI_DIR = cmd
 SHIMV2 = containerd-shim-kata-v2
 SHIMV2_OUTPUT = $(CURDIR)/$(SHIMV2)
 SHIMV2_DIR = $(CLI_DIR)/$(SHIMV2)
@@ -225,7 +226,7 @@ ifneq (,$(QEMUCMD))
     KNOWN_HYPERVISORS += $(HYPERVISOR_QEMU)
 
     CONFIG_FILE_QEMU = configuration-qemu.toml
-    CONFIG_QEMU = $(CLI_DIR)/config/$(CONFIG_FILE_QEMU)
+    CONFIG_QEMU = config/$(CONFIG_FILE_QEMU)
     CONFIG_QEMU_IN = $(CONFIG_QEMU).in
 
     CONFIG_PATH_QEMU = $(abspath $(CONFDIR)/$(CONFIG_FILE_QEMU))
@@ -248,7 +249,7 @@ ifneq (,$(CLHCMD))
     KNOWN_HYPERVISORS += $(HYPERVISOR_CLH)
 
     CONFIG_FILE_CLH = configuration-clh.toml
-    CONFIG_CLH = $(CLI_DIR)/config/$(CONFIG_FILE_CLH)
+    CONFIG_CLH = config/$(CONFIG_FILE_CLH)
     CONFIG_CLH_IN = $(CONFIG_CLH).in
 
     CONFIG_PATH_CLH = $(abspath $(CONFDIR)/$(CONFIG_FILE_CLH))
@@ -271,7 +272,7 @@ ifneq (,$(FCCMD))
     KNOWN_HYPERVISORS += $(HYPERVISOR_FC)
 
     CONFIG_FILE_FC = configuration-fc.toml
-    CONFIG_FC = $(CLI_DIR)/config/$(CONFIG_FILE_FC)
+    CONFIG_FC = config/$(CONFIG_FILE_FC)
     CONFIG_FC_IN = $(CONFIG_FC).in
 
     CONFIG_PATH_FC = $(abspath $(CONFDIR)/$(CONFIG_FILE_FC))
@@ -294,7 +295,7 @@ ifneq (,$(ACRNCMD))
     KNOWN_HYPERVISORS += $(HYPERVISOR_ACRN)
 
     CONFIG_FILE_ACRN = configuration-acrn.toml
-    CONFIG_ACRN = $(CLI_DIR)/config/$(CONFIG_FILE_ACRN)
+    CONFIG_ACRN = config/$(CONFIG_FILE_ACRN)
     CONFIG_ACRN_IN = $(CONFIG_ACRN).in
 
     CONFIG_PATH_ACRN = $(abspath $(CONFDIR)/$(CONFIG_FILE_ACRN))
@@ -522,12 +523,12 @@ containerd-shim-v2: $(SHIMV2_OUTPUT)
 
 monitor: $(MONITOR_OUTPUT)
 
-netmon: $(NETMON_TARGET_OUTPUT)
+netmon: $(NETMON_RUNTIME_OUTPUT)
 
-$(NETMON_TARGET_OUTPUT): $(SOURCES) VERSION
+$(NETMON_RUNTIME_OUTPUT): $(SOURCES) VERSION
 	$(QUIET_BUILD)(cd $(NETMON_DIR) && go build $(BUILDFLAGS) -o $@ -ldflags "-X main.version=$(VERSION)" $(KATA_LDFLAGS))
 
-runtime: $(TARGET_OUTPUT) $(CONFIGS)
+runtime: $(RUNTIME_OUTPUT) $(CONFIGS)
 .DEFAULT: default
 
 build: default
@@ -563,8 +564,9 @@ GENERATED_CONFIG = $(abspath $(CLI_DIR)/config-generated.go)
 GENERATED_FILES += $(GENERATED_CONFIG)
 GENERATED_FILES += pkg/katautils/config-settings.go
 
-$(TARGET_OUTPUT): $(SOURCES) $(GENERATED_FILES) $(MAKEFILE_LIST) | show-summary
-	$(QUIET_BUILD)(cd $(CLI_DIR) && go build $(KATA_LDFLAGS) $(BUILDFLAGS) -o $@ .)
+$(RUNTIME_OUTPUT): $(SOURCES) $(GENERATED_FILES) $(MAKEFILE_LIST) | show-summary
+	$(QUIET_BUILD)(cd $(RUNTIME_DIR)/ && ln -fs $(GENERATED_CONFIG))
+	$(QUIET_BUILD)(cd $(RUNTIME_DIR) && go build $(KATA_LDFLAGS) $(BUILDFLAGS) -o $@ .)
 
 $(SHIMV2_OUTPUT): $(SOURCES) $(GENERATED_FILES) $(MAKEFILE_LIST)
 	$(QUIET_BUILD)(cd $(SHIMV2_DIR)/ && ln -fs $(GENERATED_CONFIG))

src/runtime/cmd/containerd-shim-kata-v2/main.go

@@ -9,12 +9,13 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/containerd/containerd/runtime/v2/shim"
-	containerdshim "github.com/kata-containers/kata-containers/src/runtime/containerd-shim-v2"
+	shimapi "github.com/containerd/containerd/runtime/v2/shim"
+
+	shim "github.com/kata-containers/kata-containers/src/runtime/pkg/containerd-shim-v2"
 	"github.com/kata-containers/kata-containers/src/runtime/pkg/types"
 )
 
-func shimConfig(config *shim.Config) {
+func shimConfig(config *shimapi.Config) {
 	config.NoReaper = true
 	config.NoSubreaper = true
 }
@@ -26,5 +27,5 @@ func main() {
 		os.Exit(0)
 	}
 
-	shim.Run(types.DefaultKataRuntimeName, containerdshim.New, shimConfig)
+	shimapi.Run(types.DefaultKataRuntimeName, shim.New, shimConfig)
 }

src/runtime/cmd/kata-runtime/kata-check_data_s390x_test.go

@@ -10,7 +10,7 @@ vendor_id       : IBM/S390
 # processors    : 4
 bogomips per cpu: 20325.00
 max thread id   : 0
-features	: esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx sie 
+features	: esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx sie
 cache0          : level=1 type=Data scope=Private size=128K line_size=256 associativity=8
 cache1          : level=1 type=Instruction scope=Private size=96K line_size=256 associativity=6
 cache2          : level=2 type=Data scope=Private size=2048K line_size=256 associativity=8

src/runtime/config/configuration-qemu.toml.in

@@ -360,7 +360,7 @@ valid_entropy_sources = @DEFVALIDENTROPYSOURCES@
 # When enable_guest_swap is enabled, insert a raw file to the guest as the swap device
 # if the swappiness of a container (set by annotation "io.katacontainers.container.resource.swappiness")
 # is bigger than 0.
-# The size of the swap device should be 
+# The size of the swap device should be
 # swap_in_bytes (set by annotation "io.katacontainers.container.resource.swap_in_bytes") - memory_limit_in_bytes.
 # If swap_in_bytes is not set, the size should be memory_limit_in_bytes.
 # If swap_in_bytes and memory_limit_in_bytes is not set, the size should

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

@@ -7,12 +7,13 @@ package katamonitor
 
 import (
 	"fmt"
-	cdshim "github.com/containerd/containerd/runtime/v2/shim"
 	"io"
 	"net"
 	"net/http"
 
-	shim "github.com/kata-containers/kata-containers/src/runtime/containerd-shim-v2"
+	cdshim "github.com/containerd/containerd/runtime/v2/shim"
+
+	shim "github.com/kata-containers/kata-containers/src/runtime/pkg/containerd-shim-v2"
 )
 
 func serveError(w http.ResponseWriter, status int, txt string) {

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

@@ -13,7 +13,8 @@ import (
 	"time"
 
 	cdshim "github.com/containerd/containerd/runtime/v2/shim"
-	shim "github.com/kata-containers/kata-containers/src/runtime/containerd-shim-v2"
+
+	shim "github.com/kata-containers/kata-containers/src/runtime/pkg/containerd-shim-v2"
 )
 
 const (