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Start remote binary using env and appling ephemeral volume #76
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| // | ||
| // Copyright (c) 2019 Red Hat, Inc. | ||
| // This program and the accompanying materials are made | ||
| // available under the terms of the Eclipse Public License 2.0 | ||
| // which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| // | ||
| // SPDX-License-Identifier: EPL-2.0 | ||
| // | ||
| // Contributors: | ||
| // Red Hat, Inc. - initial API and implementation | ||
| // | ||
|
|
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| package unified | ||
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| import ( | ||
| "errors" | ||
| "strings" | ||
|
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| "github.com/eclipse/che-plugin-broker/model" | ||
| ) | ||
|
|
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| const ( | ||
| DefaultEditorName = "che-theia" | ||
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| InjectorContainerName = "remote-runtime-injector" | ||
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| RemoteEndPontExecutableEnvVar = "PLUGIN_REMOTE_ENDPOINT_EXECUTABLE" | ||
| VolumeNameEnvVar = "REMOTE_ENDPOINT_VOLUME_NAME" | ||
| ) | ||
|
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| type RemotePluginInjection struct { | ||
| Volume model.Volume | ||
| Env model.EnvVar | ||
| Command []string | ||
| Args []string | ||
| } | ||
|
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| func InjectRemoteRuntime(plugins []model.ChePlugin) { | ||
| editorPlugin, err := findDefaultEditorPlugin(plugins) | ||
| if err != nil { | ||
| return | ||
|
There was a problem hiding this comment. We shouldn't fail silently here. |
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| } | ||
|
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| injection, err := getRuntimeInjection(editorPlugin) | ||
| if err != nil { | ||
| return | ||
| } | ||
|
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| for _, plugin := range plugins { | ||
| inject(&plugin, injection) | ||
| } | ||
| } | ||
|
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| func findDefaultEditorPlugin(plugins []model.ChePlugin) (*model.ChePlugin, error) { | ||
| for _, plugin := range plugins { | ||
| if strings.ToLower(plugin.Type) == model.EditorPluginType && | ||
| strings.ToLower(plugin.Name) == DefaultEditorName && | ||
| len(plugin.InitContainers) > 0 { | ||
| return &plugin, nil | ||
| } | ||
| } | ||
| return nil, errors.New("Unable to find default editor plugin") | ||
| } | ||
|
|
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| func getRuntimeInjection(editorPlugin *model.ChePlugin) (*RemotePluginInjection, error) { | ||
| containerInjector, err := findContainerInjector(editorPlugin.InitContainers) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| runtimeBinaryPathEnv, err := findEnv(RemoteEndPontExecutableEnvVar, containerInjector.Env) | ||
| if err != nil || runtimeBinaryPathEnv.Value == "" { | ||
| return nil, err | ||
|
There was a problem hiding this comment. If |
||
| } | ||
|
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| volumeName, err := findEnv(VolumeNameEnvVar, containerInjector.Env) | ||
| if err != nil || runtimeBinaryPathEnv.Value == "" { | ||
| return nil, err | ||
| } | ||
|
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| volume, err := findVolume(volumeName.Value, containerInjector.Volumes) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return &RemotePluginInjection{ | ||
| Volume: *volume, | ||
| Env: *runtimeBinaryPathEnv, | ||
| Command: []string{runtimeBinaryPathEnv.Value}, | ||
| }, nil | ||
| } | ||
|
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| func findContainerInjector(containers []model.Container) (*model.Container, error) { | ||
| for _, container := range containers { | ||
| if container.Name == InjectorContainerName { | ||
| return &container, nil | ||
| } | ||
| } | ||
| return nil, errors.New("Unable to find injector container") | ||
| } | ||
|
|
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| func findEnv(envName string, envVars []model.EnvVar) (*model.EnvVar, error) { | ||
| for _, envVar := range envVars { | ||
| if envVar.Name == envName { | ||
| return &envVar, nil | ||
| } | ||
| } | ||
| return nil, errors.New("Unable to find env by name") | ||
| } | ||
|
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| func findVolume(volumeName string, volumes []model.Volume) (*model.Volume, error) { | ||
| for _, volume := range volumes { | ||
| if volume.Name == volumeName { | ||
| return &volume, nil | ||
| } | ||
| } | ||
| return nil, errors.New("Unable to find volume by name") | ||
| } | ||
|
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| func inject(plugin *model.ChePlugin, injection *RemotePluginInjection) { | ||
| pluginType := strings.ToLower(plugin.Type) | ||
|
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| if pluginType != model.TheiaPluginType && pluginType != model.VscodePluginType { | ||
| return | ||
| } | ||
| // sidecar container has one and only one container. | ||
| container := &plugin.Containers[0] | ||
|
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| container.Env = append(container.Env, injection.Env) | ||
| container.Volumes = append(container.Volumes, injection.Volume) | ||
| } | ||
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Typo: RemoteEndPointExecutableEnvVar