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runtime: handle io.katacontainers.config.hypervisor.virtio_fs_extra_args

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Users can specify extra arguments for virtiofsd in a pod spec using the
io.katacontainers.config.hypervisor.virtio_fs_extra_args annontation.
However, this annotation was ignored so far by the runtime.  This commit
fixes the issue by processing the annotation value (if present) and
translating it to the corresponding hypervisor configuration item.

Fixes #1523

Signed-off-by: Pavel Mores <pmores@redhat.com>
This commit is contained in:
Pavel Mores 2021-04-23 16:24:58 +02:00
parent a4fffa1f22
commit 30ff6ee88b
2 changed files with 12 additions and 0 deletions
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10
src/runtime/virtcontainers/pkg/oci/utils.go
View File

@ -7,6 +7,7 @@ package oci
import (
"context"
"encoding/json"
"errors"
"fmt"
"path/filepath"
@ -772,6 +773,15 @@ func addHypervisorVirtioFsOverrides(ocispec specs.Spec, sbConfig *vc.SandboxConf
sbConfig.HypervisorConfig.VirtioFSDaemon = value
}
if value, ok := ocispec.Annotations[vcAnnotations.VirtioFSExtraArgs]; ok {
var parsedValue []string
err := json.Unmarshal([]byte(value), &parsedValue)
if err != nil {
return fmt.Errorf("Error parsing virtiofsd extra arguments: %v", err)
}
sbConfig.HypervisorConfig.VirtioFSExtraArgs = append(sbConfig.HypervisorConfig.VirtioFSExtraArgs, parsedValue...)
}
if sbConfig.HypervisorConfig.SharedFS == config.VirtioFS && sbConfig.HypervisorConfig.VirtioFSDaemon == "" {
return fmt.Errorf("cannot enable virtio-fs without daemon path")
}

2
src/runtime/virtcontainers/pkg/oci/utils_test.go
View File

@ -849,6 +849,7 @@ func TestAddHypervisorAnnotations(t *testing.T) {
ocispec.Annotations[vcAnnotations.SharedFS] = "virtio-fs"
ocispec.Annotations[vcAnnotations.VirtioFSDaemon] = "/bin/false"
ocispec.Annotations[vcAnnotations.VirtioFSCache] = "/home/cache"
ocispec.Annotations[vcAnnotations.VirtioFSExtraArgs] = "[ \"arg0\", \"arg1\" ]"
ocispec.Annotations[vcAnnotations.Msize9p] = "512"
ocispec.Annotations[vcAnnotations.MachineType] = "q35"
ocispec.Annotations[vcAnnotations.MachineAccelerators] = "nofw"
@ -886,6 +887,7 @@ func TestAddHypervisorAnnotations(t *testing.T) {
assert.Equal(config.HypervisorConfig.SharedFS, "virtio-fs")
assert.Equal(config.HypervisorConfig.VirtioFSDaemon, "/bin/false")
assert.Equal(config.HypervisorConfig.VirtioFSCache, "/home/cache")
assert.ElementsMatch(config.HypervisorConfig.VirtioFSExtraArgs, [2]string{"arg0", "arg1"})
assert.Equal(config.HypervisorConfig.Msize9p, uint32(512))
assert.Equal(config.HypervisorConfig.HypervisorMachineType, "q35")
assert.Equal(config.HypervisorConfig.MachineAccelerators, "nofw")