mirror of https://github.com/containers/podman.git
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// +build !remote
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package system
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import (
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"fmt"
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"os"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v4/cmd/podman/registry"
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"github.com/containers/podman/v4/cmd/podman/validate"
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"github.com/containers/podman/v4/libpod/define"
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"github.com/containers/podman/v4/pkg/domain/entities"
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"github.com/containers/podman/v4/pkg/domain/infra"
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"github.com/spf13/cobra"
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)
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var (
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migrateDescription = `
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podman system migrate
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Migrate existing containers to a new version of Podman.
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`
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migrateCommand = &cobra.Command{
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Annotations: map[string]string{
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registry.EngineMode: registry.ABIMode,
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registry.NoMoveProcess: registry.NoMoveProcess,
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},
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Use: "migrate [options]",
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Args: validate.NoArgs,
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Short: "Migrate containers",
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Long: migrateDescription,
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Run: migrate,
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ValidArgsFunction: completion.AutocompleteNone,
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}
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)
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var (
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migrateOptions entities.SystemMigrateOptions
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Command: migrateCommand,
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Parent: systemCmd,
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})
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flags := migrateCommand.Flags()
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newRuntimeFlagName := "new-runtime"
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flags.StringVar(&migrateOptions.NewRuntime, newRuntimeFlagName, "", "Specify a new runtime for all containers")
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_ = migrateCommand.RegisterFlagCompletionFunc(newRuntimeFlagName, completion.AutocompleteNone)
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}
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func migrate(cmd *cobra.Command, args []string) {
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// Shutdown all running engines, `renumber` will hijack repository
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registry.ContainerEngine().Shutdown(registry.Context())
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registry.ImageEngine().Shutdown(registry.Context())
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engine, err := infra.NewSystemEngine(entities.MigrateMode, registry.PodmanConfig())
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if err != nil {
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fmt.Println(err)
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os.Exit(define.ExecErrorCodeGeneric)
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}
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defer engine.Shutdown(registry.Context())
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err = engine.Migrate(registry.Context(), cmd.Flags(), registry.PodmanConfig(), migrateOptions)
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if err != nil {
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fmt.Println(err)
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os.Exit(define.ExecErrorCodeGeneric)
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}
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os.Exit(0)
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}
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