105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 dependency
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/spf13/cobra"
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"d7y.io/dragonfly/v2/internal/dfplugin"
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"d7y.io/dragonfly/v2/pkg/dfpath"
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"d7y.io/dragonfly/v2/pkg/source"
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)
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var PluginCmd = &cobra.Command{
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Use: "plugin",
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Short: "show plugin",
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Long: `show the plugin details of dragonfly.`,
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Args: cobra.NoArgs,
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DisableAutoGenTag: true,
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SilenceUsage: true,
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Run: func(cmd *cobra.Command, args []string) {
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ListAvailableInTreePlugins()
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ListAvailableOutOfTreePlugins()
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},
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}
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func ListAvailableInTreePlugins() {
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clients := source.ListClients()
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for _, scheme := range clients {
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fmt.Printf("source plugin: %s, location: in-tree\n", scheme)
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}
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}
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func ListAvailableOutOfTreePlugins() {
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d, err := dfpath.New()
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to get plugin path: %q\n", err)
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return
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}
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fmt.Fprintf(os.Stderr, "search plugin in %s\n", d.PluginDir())
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files, err := os.ReadDir(d.PluginDir())
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if os.IsNotExist(err) {
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fmt.Fprintf(os.Stderr, "no plugin found\n")
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return
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "read plugin dir %s error: %s\n", d.PluginDir(), err)
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return
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}
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if len(files) == 0 {
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fmt.Fprintf(os.Stderr, "no out of tree plugin found\n")
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return
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}
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for _, file := range files {
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var attr []byte
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fileName := file.Name()
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if file.IsDir() {
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fmt.Fprintf(os.Stderr, "not support directory: %s\n", fileName)
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continue
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}
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subs := dfplugin.PluginFormatExpr.FindStringSubmatch(fileName)
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if len(subs) != 3 {
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fmt.Fprintf(os.Stderr, "not valid plugin name: %s\n", fileName)
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continue
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}
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typ, name := subs[1], subs[2]
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switch typ {
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case string(dfplugin.PluginTypeResource), string(dfplugin.PluginTypeScheduler), string(dfplugin.PluginTypeManager):
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_, data, err := dfplugin.Load(d.PluginDir(), dfplugin.PluginType(typ), name, map[string]string{})
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if err != nil {
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fmt.Fprintf(os.Stderr, "not valid plugin binary format %s: %q\n", fileName, err)
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continue
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}
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attr, err = json.Marshal(data)
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if err != nil {
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fmt.Fprintf(os.Stderr, "marshal attribute for %s error: %q\n", fileName, err)
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continue
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}
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default:
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fmt.Fprintf(os.Stderr, "not support plugin type: %s\n", typ)
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continue
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}
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fmt.Printf("%s plugin: %s, location: %s, attribute: %s\n", typ, name, fileName, string(attr))
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}
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}
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