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Merge pull request #304 from cdrage/switch-to-cobra
Switch to spf13/cobra from urfave/cli
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/* | ||
Copyright 2016 The Kubernetes Authors 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. | ||
*/ | ||
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package cmd | ||
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import ( | ||
"github.com/kubernetes-incubator/kompose/pkg/app" | ||
"github.com/kubernetes-incubator/kompose/pkg/kobject" | ||
"github.com/spf13/cobra" | ||
"github.com/spf13/viper" | ||
"strings" | ||
) | ||
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var ( | ||
ConvertSource, ConvertOut string | ||
ConvertChart, ConvertDeployment, ConvertDaemonSet bool | ||
ConvertReplicationController, ConvertYaml, ConvertStdout bool | ||
ConvertEmptyVols, ConvertDeploymentConfig bool | ||
ConvertReplicas int | ||
ConvertOpt kobject.ConvertOptions | ||
) | ||
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var ConvertProvider string = GlobalProvider | ||
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var convertCmd = &cobra.Command{ | ||
Use: "convert [file]", | ||
Short: "Convert a Docker Compose file", | ||
PreRun: func(cmd *cobra.Command, args []string) { | ||
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// Create the Convert Options. | ||
ConvertOpt = kobject.ConvertOptions{ | ||
ToStdout: ConvertStdout, | ||
CreateChart: ConvertChart, | ||
GenerateYaml: ConvertYaml, | ||
Replicas: ConvertReplicas, | ||
InputFile: GlobalFile, | ||
OutFile: ConvertOut, | ||
Provider: strings.ToLower(GlobalProvider), | ||
CreateD: ConvertDeployment, | ||
CreateDS: ConvertDaemonSet, | ||
CreateRC: ConvertReplicationController, | ||
CreateDeploymentConfig: ConvertDeploymentConfig, | ||
EmptyVols: ConvertEmptyVols, | ||
} | ||
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// Validate before doing anything else. Use "bundle" if passed in. | ||
app.ValidateFlags(GlobalBundle, args, cmd, &ConvertOpt) | ||
}, | ||
Run: func(cmd *cobra.Command, args []string) { | ||
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app.Convert(ConvertOpt) | ||
}, | ||
} | ||
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func init() { | ||
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// Automatically grab environment variables | ||
viper.AutomaticEnv() | ||
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// Kubernetes only | ||
convertCmd.Flags().BoolVarP(&ConvertChart, "chart", "c", false, "Create a Helm chart for converted objects") | ||
convertCmd.Flags().BoolVar(&ConvertDaemonSet, "daemon-set", false, "Generate a Kubernetes daemonset object") | ||
convertCmd.Flags().BoolVarP(&ConvertDeployment, "deployment", "d", false, "Generate a Kubernetes deployment object") | ||
convertCmd.Flags().BoolVar(&ConvertReplicationController, "replication-controller", false, "Generate a Kubernetes replication controller object") | ||
convertCmd.Flags().MarkHidden("chart") | ||
convertCmd.Flags().MarkHidden("daemon-set") | ||
convertCmd.Flags().MarkHidden("replication-controller") | ||
convertCmd.Flags().MarkHidden("deployment") | ||
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// OpenShift only | ||
convertCmd.Flags().BoolVar(&ConvertDeploymentConfig, "deployment-config", true, "Generate an OpenShift deploymentconfig object") | ||
convertCmd.Flags().MarkHidden("deployment-config") | ||
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// Standard between the two | ||
convertCmd.Flags().BoolVarP(&ConvertYaml, "yaml", "y", false, "Generate resource files into yaml format") | ||
convertCmd.Flags().BoolVar(&ConvertStdout, "stdout", false, "Print converted objects to stdout") | ||
convertCmd.Flags().BoolVar(&ConvertEmptyVols, "emptyvols", false, "Use Empty Volumes. Do not generate PVCs") | ||
convertCmd.Flags().StringVarP(&ConvertOut, "out", "o", "", "Specify a file name to save objects to") | ||
convertCmd.Flags().IntVar(&ConvertReplicas, "replicas", 1, "Specify the number of repliaces in the generate resource spec") | ||
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// In order to 'separate' both OpenShift and Kubernetes only flags. A custom help page is created | ||
customHelp := `Usage:{{if .Runnable}} | ||
{{if .HasAvailableFlags}}{{appendIfNotPresent .UseLine "[flags]"}}{{else}}{{.UseLine}}{{end}}{{end}}{{if .HasAvailableSubCommands}} | ||
{{ .CommandPath}} [command]{{end}}{{if gt .Aliases 0}} | ||
Aliases: | ||
{{.NameAndAliases}} | ||
{{end}}{{if .HasExample}} | ||
Examples: | ||
{{ .Example }}{{end}}{{ if .HasAvailableSubCommands}} | ||
Available Commands:{{range .Commands}}{{if .IsAvailableCommand}} | ||
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableLocalFlags}} | ||
Resource Flags: | ||
-c, --chart Create a Helm chart for converted objects | ||
--daemon-set Generate a Kubernetes daemonset object | ||
-d, --deployment Generate a Kubernetes deployment object | ||
--deployment-config Generate an OpenShift deployment config object | ||
--replication-controller Generate a Kubernetes replication controller object | ||
Flags: | ||
{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasAvailableInheritedFlags}} | ||
Global Flags: | ||
{{.InheritedFlags.FlagUsages | trimRightSpace}}{{end}}{{if .HasHelpSubCommands}} | ||
Additional help topics:{{range .Commands}}{{if .IsHelpCommand}} | ||
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableSubCommands }} | ||
Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}} | ||
` | ||
// Set the help template + add the command to root | ||
convertCmd.SetHelpTemplate(customHelp) | ||
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RootCmd.AddCommand(convertCmd) | ||
} |
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