forked from LaconicNetwork/kompose
212 lines
10 KiB
Go
212 lines
10 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors All rights reserved.
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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 cmd
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import (
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"strings"
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"github.com/kubernetes/kompose/pkg/app"
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"github.com/kubernetes/kompose/pkg/kobject"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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// TODO: comment
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var (
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ConvertOut string
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ConvertBuildRepo string
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ConvertBuildBranch string
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ConvertBuild string
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ConvertVolumes string
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ConvertPVCRequestSize string
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ConvertChart bool
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ConvertDeployment bool
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ConvertDaemonSet bool
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ConvertReplicationController bool
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ConvertYaml bool
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ConvertJSON bool
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ConvertStdout bool
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ConvertEmptyVols bool
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ConvertInsecureRepo bool
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ConvertDeploymentConfig bool
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ConvertReplicas int
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ConvertController string
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ConvertPushImage bool
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ConvertPushImageRegistry string
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ConvertOpt kobject.ConvertOptions
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ConvertYAMLIndent int
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UpBuild string
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// WithKomposeAnnotation decides if we will add metadata about this convert to resource's annotation.
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// default is true.
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WithKomposeAnnotation bool
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// MultipleContainerMode which enables creating multi containers in a single pod is a developping function.
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// default is false
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MultipleContainerMode bool
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)
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var convertCmd = &cobra.Command{
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Use: "convert [file]",
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Short: "Convert a Docker Compose file",
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PreRun: func(cmd *cobra.Command, args []string) {
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// Check that build-config wasn't passed in with --provider=kubernetes
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if GlobalProvider == "kubernetes" && UpBuild == "build-config" {
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log.Fatalf("build-config is not a valid --build parameter with provider Kubernetes")
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}
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// Create the Convert Options.
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ConvertOpt = kobject.ConvertOptions{
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ToStdout: ConvertStdout,
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CreateChart: ConvertChart,
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GenerateYaml: ConvertYaml,
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GenerateJSON: ConvertJSON,
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Replicas: ConvertReplicas,
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InputFiles: GlobalFiles,
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OutFile: ConvertOut,
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Provider: GlobalProvider,
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CreateD: ConvertDeployment,
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CreateDS: ConvertDaemonSet,
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CreateRC: ConvertReplicationController,
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Build: ConvertBuild,
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BuildRepo: ConvertBuildRepo,
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BuildBranch: ConvertBuildBranch,
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PushImage: ConvertPushImage,
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PushImageRegistry: ConvertPushImageRegistry,
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CreateDeploymentConfig: ConvertDeploymentConfig,
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EmptyVols: ConvertEmptyVols,
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Volumes: ConvertVolumes,
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PVCRequestSize: ConvertPVCRequestSize,
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InsecureRepository: ConvertInsecureRepo,
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IsDeploymentFlag: cmd.Flags().Lookup("deployment").Changed,
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IsDaemonSetFlag: cmd.Flags().Lookup("daemon-set").Changed,
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IsReplicationControllerFlag: cmd.Flags().Lookup("replication-controller").Changed,
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Controller: strings.ToLower(ConvertController),
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IsReplicaSetFlag: cmd.Flags().Lookup("replicas").Changed,
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IsDeploymentConfigFlag: cmd.Flags().Lookup("deployment-config").Changed,
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YAMLIndent: ConvertYAMLIndent,
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WithKomposeAnnotation: WithKomposeAnnotation,
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MultipleContainerMode: MultipleContainerMode,
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}
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// Validate before doing anything else. Use "bundle" if passed in.
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app.ValidateFlags(GlobalBundle, args, cmd, &ConvertOpt)
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app.ValidateComposeFile(&ConvertOpt)
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},
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Run: func(cmd *cobra.Command, args []string) {
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app.Convert(ConvertOpt)
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},
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}
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func init() {
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// Automatically grab environment variables
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viper.AutomaticEnv()
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// Kubernetes only
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convertCmd.Flags().BoolVarP(&ConvertChart, "chart", "c", false, "Create a Helm chart for converted objects")
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convertCmd.Flags().BoolVar(&ConvertDaemonSet, "daemon-set", false, "Generate a Kubernetes daemonset object (deprecated, use --controller instead)")
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convertCmd.Flags().BoolVarP(&ConvertDeployment, "deployment", "d", false, "Generate a Kubernetes deployment object (deprecated, use --controller instead)")
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convertCmd.Flags().BoolVar(&ConvertReplicationController, "replication-controller", false, "Generate a Kubernetes replication controller object (deprecated, use --controller instead)")
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convertCmd.Flags().StringVar(&ConvertController, "controller", "", `Set the output controller ("deployment"|"daemonSet"|"replicationController")`)
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convertCmd.Flags().MarkDeprecated("daemon-set", "use --controller")
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convertCmd.Flags().MarkDeprecated("deployment", "use --controller")
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convertCmd.Flags().MarkDeprecated("replication-controller", "use --controller")
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convertCmd.Flags().MarkHidden("chart")
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convertCmd.Flags().MarkHidden("daemon-set")
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convertCmd.Flags().MarkHidden("replication-controller")
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convertCmd.Flags().MarkHidden("deployment")
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convertCmd.Flags().BoolVar(&MultipleContainerMode, "multiple-container-mode", false, "Create multiple containers grouped by 'kompose.service.group' label")
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// OpenShift only
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convertCmd.Flags().BoolVar(&ConvertDeploymentConfig, "deployment-config", true, "Generate an OpenShift deploymentconfig object")
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convertCmd.Flags().BoolVar(&ConvertInsecureRepo, "insecure-repository", false, "Use an insecure Docker repository for OpenShift ImageStream")
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convertCmd.Flags().StringVar(&ConvertBuildRepo, "build-repo", "", "Specify source repository for buildconfig (default remote origin)")
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convertCmd.Flags().StringVar(&ConvertBuildBranch, "build-branch", "", "Specify repository branch to use for buildconfig (default master)")
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convertCmd.Flags().MarkDeprecated("deployment-config", "use --controller")
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convertCmd.Flags().MarkHidden("deployment-config")
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convertCmd.Flags().MarkHidden("insecure-repository")
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convertCmd.Flags().MarkHidden("build-repo")
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convertCmd.Flags().MarkHidden("build-branch")
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// Standard between the two
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convertCmd.Flags().StringVar(&ConvertBuild, "build", "none", `Set the type of build ("local"|"build-config"(OpenShift only)|"none")`)
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convertCmd.Flags().BoolVar(&ConvertPushImage, "push-image", false, "If we should push the docker image we built")
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convertCmd.Flags().StringVar(&ConvertPushImageRegistry, "push-image-registry", "", "Specify registry for pushing image, which will override registry from image name.")
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convertCmd.Flags().BoolVarP(&ConvertYaml, "yaml", "y", false, "Generate resource files into YAML format")
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convertCmd.Flags().MarkDeprecated("yaml", "YAML is the default format now.")
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convertCmd.Flags().MarkShorthandDeprecated("y", "YAML is the default format now.")
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convertCmd.Flags().BoolVarP(&ConvertJSON, "json", "j", false, "Generate resource files into JSON format")
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convertCmd.Flags().BoolVar(&ConvertStdout, "stdout", false, "Print converted objects to stdout")
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convertCmd.Flags().StringVarP(&ConvertOut, "out", "o", "", "Specify a file name or directory to save objects to (if path does not exist, a file will be created)")
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convertCmd.Flags().IntVar(&ConvertReplicas, "replicas", 1, "Specify the number of replicas in the generated resource spec")
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convertCmd.Flags().StringVar(&ConvertVolumes, "volumes", "persistentVolumeClaim", `Volumes to be generated ("persistentVolumeClaim"|"emptyDir"|"hostPath" | "configMap")`)
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convertCmd.Flags().StringVar(&ConvertPVCRequestSize, "pvc-request-size", "", `Specify the size of pvc storage requests in the generated resource spec`)
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convertCmd.Flags().BoolVar(&WithKomposeAnnotation, "with-kompose-annotation", true, "Add kompose annotations to generated resource")
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// Deprecated commands
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convertCmd.Flags().BoolVar(&ConvertEmptyVols, "emptyvols", false, "Use Empty Volumes. Do not generate PVCs")
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convertCmd.Flags().MarkDeprecated("emptyvols", "emptyvols has been marked as deprecated. Use --volumes empty")
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convertCmd.Flags().IntVar(&ConvertYAMLIndent, "indent", 2, "Spaces length to indent generated yaml files")
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// In order to 'separate' both OpenShift and Kubernetes only flags. A custom help page is created
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customHelp := `Usage:{{if .Runnable}}
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{{if .HasAvailableFlags}}{{appendIfNotPresent .UseLine "[flags]"}}{{else}}{{.UseLine}}{{end}}{{end}}{{if .HasAvailableSubCommands}}
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{{ .CommandPath}} [command]{{end}}{{if gt .Aliases 0}}
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Aliases:
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{{.NameAndAliases}}
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{{end}}{{if .HasExample}}
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Examples:
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{{ .Example }}{{end}}{{ if .HasAvailableSubCommands}}
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Available Commands:{{range .Commands}}{{if .IsAvailableCommand}}
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{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableLocalFlags}}
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Kubernetes Flags:
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--daemon-set Generate a Kubernetes daemonset object (deprecated, use --controller instead)
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-d, --deployment Generate a Kubernetes deployment object (deprecated, use --controller instead)
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-c, --chart Create a Helm chart for converted objects
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--replication-controller Generate a Kubernetes replication controller object (deprecated, use --controller instead)
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OpenShift Flags:
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--build-branch Specify repository branch to use for buildconfig (default is current branch name)
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--build-repo Specify source repository for buildconfig (default is current branch's remote url)
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--deployment-config Generate an OpenShift deployment config object
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--insecure-repository Specify to use insecure docker repository while generating Openshift image stream object
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Flags:
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{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasAvailableInheritedFlags}}
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Global Flags:
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{{.InheritedFlags.FlagUsages | trimRightSpace}}{{end}}{{if .HasHelpSubCommands}}
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Additional help topics:{{range .Commands}}{{if .IsHelpCommand}}
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{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableSubCommands }}
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Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}}
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`
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// Set the help template + add the command to root
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convertCmd.SetUsageTemplate(customHelp)
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RootCmd.AddCommand(convertCmd)
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}
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