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Remove exsiting NVIDIA Container Runtime Hooks from the spec

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Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2022-04-06 16:18:56 +02:00
parent dab6f4b768
commit 45160b88a4
2 changed files with 16 additions and 10 deletions
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14
cmd/nvidia-container-runtime/modifier/experimental_test.go
View File

@ -231,7 +231,7 @@ func TestExperimentalModifier(t *testing.T) {
},
},
{
description: "modification fails for existing nvidia-container-runtime-hook",
description: "modification removes existing nvidia-container-runtime-hook",
spec: &specs.Spec{
Hooks: &specs.Hooks{
Prestart: []specs.Hook{
@ -254,20 +254,19 @@ func TestExperimentalModifier(t *testing.T) {
return hooks, nil
},
},
expectedError: fmt.Errorf("nvidia-container-runtime-hook already exists"),
expectedSpec: &specs.Spec{
Hooks: &specs.Hooks{
Prestart: []specs.Hook{
{
Path: "/path/to/nvidia-container-runtime-hook",
Args: []string{"/path/to/nvidia-container-runtime-hook", "prestart"},
Path: "/hook/b",
Args: []string{"/hook/b", "argb"},
},
},
},
},
},
{
description: "modification fails for existing nvidia-container-toolkit",
description: "modification removes existing nvidia-container-toolkit",
spec: &specs.Spec{
Hooks: &specs.Hooks{
Prestart: []specs.Hook{
@ -290,13 +289,12 @@ func TestExperimentalModifier(t *testing.T) {
return hooks, nil
},
},
expectedError: fmt.Errorf("nvidia-container-toolkit already exists"),
expectedSpec: &specs.Spec{
Hooks: &specs.Hooks{
Prestart: []specs.Hook{
{
Path: "/path/to/nvidia-container-toolkit",
Args: []string{"/path/to/nvidia-container-toolkit", "prestart"},
Path: "/hook/b",
Args: []string{"/hook/b", "argb"},
},
},
},

12
cmd/nvidia-container-runtime/modifier/hook_remover.go
View File

@ -17,7 +17,6 @@
package modifier
import (
"fmt"
"path/filepath"
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
@ -46,10 +45,19 @@ func (m nvidiaContainerRuntimeHookRemover) Modify(spec *specs.Spec) error {
return nil
}
var newPrestart []specs.Hook
for _, hook := range spec.Hooks.Prestart {
if isNVIDIAContainerRuntimeHook(&hook) {
return fmt.Errorf("spec already contains required 'prestart' hook")
m.logger.Debugf("Removing hook %v", hook)
continue
}
newPrestart = append(newPrestart, hook)
}
if len(newPrestart) != len(spec.Hooks.Prestart) {
m.logger.Debugf("Updating 'prestart' hooks to %v", newPrestart)
spec.Hooks.Prestart = newPrestart
}
return nil