Specify hook structure instead of importing Podman

Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2022-08-19 10:26:34 +02:00
parent e91ffef258
commit c1c1d5cf8e
2 changed files with 57 additions and 8 deletions

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@ -1,5 +1,5 @@
/**
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
# Copyright (c) 2021-2022, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -12,7 +12,8 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/
**/
package main
import (
@ -22,8 +23,6 @@ import (
"path/filepath"
"github.com/NVIDIA/nvidia-container-toolkit/internal/config"
hooks "github.com/containers/podman/v4/pkg/hooks/1.0.0"
rspec "github.com/opencontainers/runtime-spec/specs-go"
log "github.com/sirupsen/logrus"
cli "github.com/urfave/cli/v2"
)
@ -164,20 +163,20 @@ func getHookPath(hooksDir string, hookFilename string) string {
return filepath.Join(hooksDir, hookFilename)
}
func generateOciHook(toolkitDir string) hooks.Hook {
func generateOciHook(toolkitDir string) podmanHook {
hookPath := filepath.Join(toolkitDir, config.NVIDIAContainerRuntimeHookExecutable)
envPath := "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:" + toolkitDir
always := true
hook := hooks.Hook{
hook := podmanHook{
Version: "1.0.0",
Stages: []string{"prestart"},
Hook: rspec.Hook{
Hook: specHook{
Path: hookPath,
Args: []string{filepath.Base(config.NVIDIAContainerRuntimeHookExecutable), "prestart"},
Env: []string{envPath},
},
When: hooks.When{
When: When{
Always: &always,
Commands: []string{".*"},
},

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@ -0,0 +1,50 @@
/**
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
**/
package main
// podmanHook is the hook configuration structure.
// This is taken from `Hook` at https://github.com/containers/podman/blob/3c53200e9d61fdf95fe1da825bb2a89372551350/pkg/hooks/1.0.0/hook.go#L18
type podmanHook struct {
Version string `json:"version"`
Hook specHook `json:"hook"`
When When `json:"when"`
Stages []string `json:"stages"`
}
// specHook specifies a command that is run at a particular event in the lifecycle of a container
// This is taken from `Hook` at https://github.com/opencontainers/runtime-spec/blob/9ee22abf867e374c5464c7bbe0d0db01482254ab/specs-go/config.go#L128
type specHook struct {
Path string `json:"path"`
Args []string `json:"args,omitempty"`
Env []string `json:"env,omitempty"`
Timeout *int `json:"timeout,omitempty"`
}
// When holds hook-injection conditions.
// This is taken from `When` at https://github.com/containers/podman/blob/3c53200e9d61fdf95fe1da825bb2a89372551350/pkg/hooks/1.0.0/when.go#L11
type When struct {
Always *bool `json:"always,omitempty"`
Annotations map[string]string `json:"annotations,omitempty"`
Commands []string `json:"commands,omitempty"`
HasBindMounts *bool `json:"hasBindMounts,omitempty"`
// Or enables any-of matching.
//
// Deprecated: this property is for is backwards-compatibility with
// 0.1.0 hooks. It will be removed when we drop support for them.
Or bool `json:"-"`
}