mirror of
https://github.com/podman-container-tools/podman.git
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d856fb43e1
"podman kube generate" creates Kubernetes YAML from Podman containers, pods or volumes. Users will still be able to use "podman generate kube" as an alias of "kube generate". Signed-off-by: Niall Crowe <nicrowe@redhat.com>
71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
package generate
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import (
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"fmt"
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"io/ioutil"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v4/cmd/podman/common"
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"github.com/containers/podman/v4/cmd/podman/registry"
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"github.com/containers/podman/v4/cmd/podman/utils"
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"github.com/containers/podman/v4/pkg/domain/entities"
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"github.com/spf13/cobra"
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)
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var (
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specCmd = &cobra.Command{
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Use: "spec [options] {CONTAINER|POD}",
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Short: "Generate Specgen JSON based on containers or pods",
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Long: "Generate Specgen JSON based on containers or pods",
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RunE: spec,
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Args: cobra.ExactArgs(1),
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ValidArgsFunction: common.AutocompleteContainersAndPods,
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Example: `podman generate spec ctrID`,
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}
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)
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var (
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opts *entities.GenerateSpecOptions
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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: specCmd,
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Parent: GenerateCmd,
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})
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opts = &entities.GenerateSpecOptions{}
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flags := specCmd.Flags()
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filenameFlagName := "filename"
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flags.StringVarP(&opts.FileName, filenameFlagName, "f", "", "Write output to the specified path")
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_ = specCmd.RegisterFlagCompletionFunc(filenameFlagName, completion.AutocompleteNone)
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compactFlagName := "compact"
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flags.BoolVarP(&opts.Compact, compactFlagName, "c", false, "Print the json in a compact format for consumption")
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nameFlagName := "name"
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flags.BoolVarP(&opts.Name, nameFlagName, "n", true, "Specify a new name for the generated spec")
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flags.SetNormalizeFunc(utils.AliasFlags)
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}
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func spec(cmd *cobra.Command, args []string) error {
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opts.ID = args[0]
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report, err := registry.ContainerEngine().GenerateSpec(registry.GetContext(), opts)
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if err != nil {
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return err
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}
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// if we are looking to print the output, do not mess it up by printing the path
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// if we are using -v the user probably expects to pipe the output somewhere else
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if len(opts.FileName) > 0 {
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err = ioutil.WriteFile(opts.FileName, report.Data, 0644)
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if err != nil {
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return err
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}
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fmt.Println(opts.FileName)
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} else {
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fmt.Println(string(report.Data))
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}
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return nil
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}
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