80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
/*
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Copyright 2019 The Volcano Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package env
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import (
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v1 "k8s.io/api/core/v1"
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batch "volcano.sh/volcano/pkg/apis/batch/v1alpha1"
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jobhelpers "volcano.sh/volcano/pkg/controllers/job/helpers"
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pluginsinterface "volcano.sh/volcano/pkg/controllers/job/plugins/interface"
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)
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type envPlugin struct {
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// Arguments given for the plugin
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pluginArguments []string
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Clientset pluginsinterface.PluginClientset
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}
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// New creates env plugin
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func New(client pluginsinterface.PluginClientset, arguments []string) pluginsinterface.PluginInterface {
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envPlugin := envPlugin{pluginArguments: arguments, Clientset: client}
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return &envPlugin
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}
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func (ep *envPlugin) Name() string {
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return "env"
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}
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func (ep *envPlugin) OnPodCreate(pod *v1.Pod, job *batch.Job) error {
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index := jobhelpers.GetTaskIndex(pod)
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// add VK_TASK_INDEX and VC_TASK_INDEX env to each container
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for i := range pod.Spec.Containers {
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pod.Spec.Containers[i].Env = append(pod.Spec.Containers[i].Env, v1.EnvVar{Name: TaskVkIndex, Value: index})
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pod.Spec.Containers[i].Env = append(pod.Spec.Containers[i].Env, v1.EnvVar{Name: TaskIndex, Value: index})
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}
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// add VK_TASK_INDEX and VC_TASK_INDEX env to each init container
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for i := range pod.Spec.InitContainers {
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pod.Spec.InitContainers[i].Env = append(pod.Spec.InitContainers[i].Env, v1.EnvVar{Name: TaskVkIndex, Value: index})
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pod.Spec.InitContainers[i].Env = append(pod.Spec.InitContainers[i].Env, v1.EnvVar{Name: TaskIndex, Value: index})
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}
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return nil
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}
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func (ep *envPlugin) OnJobAdd(job *batch.Job) error {
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if job.Status.ControlledResources["plugin-"+ep.Name()] == ep.Name() {
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return nil
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}
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job.Status.ControlledResources["plugin-"+ep.Name()] = ep.Name()
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return nil
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}
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func (ep *envPlugin) OnJobDelete(job *batch.Job) error {
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return nil
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}
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func (ep *envPlugin) OnJobUpdate(job *batch.Job) error {
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return nil
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}
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