mirror of
https://github.com/kubevela/kubevela.git
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7f7a9dcac0
* Feat: vela up support read from stdin Signed-off-by: Jianbo Sun <jianbo.sjb@alibaba-inc.com> * Fix: addon name missed in output and fix test Signed-off-by: Jianbo Sun <jianbo.sjb@alibaba-inc.com> * Chore: refine CLI output Signed-off-by: Jianbo Sun <jianbo.sjb@alibaba-inc.com> Fix: add retry-on conflict on CLI Signed-off-by: Jianbo Sun <jianbo.sjb@alibaba-inc.com>
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
/*
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Copyright 2021 The KubeVela 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 cli
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import (
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"sort"
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"github.com/oam-dev/kubevela/apis/types"
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"github.com/spf13/cobra"
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)
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// NewHelpCommand get any command help
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func NewHelpCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "help [command] ",
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DisableFlagsInUseLine: true,
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Short: "Help about any command",
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Run: RunHelp,
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}
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return cmd
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}
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// RunHelp exec help [command]
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func RunHelp(cmd *cobra.Command, args []string) {
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if len(args) == 0 {
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allCommands := cmd.Root().Commands()
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// print error message at first, since it can contain suggestions
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cmd.Printf("A Highly Extensible Platform Engine based on Kubernetes and Open Application Model.\n\nUsage:\n vela [flags]\n vela [command]\n\nAvailable Commands:\n\n")
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PrintHelpByTag(cmd, allCommands, types.TypeStart)
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PrintHelpByTag(cmd, allCommands, types.TypeApp)
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PrintHelpByTag(cmd, allCommands, types.TypeExtension)
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PrintHelpByTag(cmd, allCommands, types.TypeSystem)
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} else {
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foundCmd, _, err := cmd.Root().Find(args)
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if foundCmd != nil && err == nil {
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foundCmd.HelpFunc()(cmd, args)
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}
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}
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}
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// Printable is a struct for print help
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type Printable struct {
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Order string
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use string
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Long string
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}
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// PrintList is a list of Printable
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type PrintList []Printable
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func (p PrintList) Len() int {
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return len(p)
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}
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func (p PrintList) Swap(i, j int) {
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p[i], p[j] = p[j], p[i]
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}
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func (p PrintList) Less(i, j int) bool {
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return p[i].Order > p[j].Order
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}
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// PrintHelpByTag print custom defined help message
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func PrintHelpByTag(cmd *cobra.Command, all []*cobra.Command, tag string) {
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table := newUITable()
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var pl PrintList
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for _, c := range all {
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if c.Hidden || c.IsAdditionalHelpTopicCommand() {
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continue
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}
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if val, ok := c.Annotations[types.TagCommandType]; ok && val == tag {
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pl = append(pl, Printable{Order: c.Annotations[types.TagCommandOrder], use: c.Use, Long: c.Long})
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}
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}
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if len(all) == 0 {
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return
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}
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cmd.Println(" " + tag + ":")
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cmd.Println()
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sort.Sort(pl)
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for _, v := range pl {
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table.AddRow(" "+v.use, v.Long)
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}
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cmd.Println(table.String())
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cmd.Println()
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}
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