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package generate
import (
"fmt"
"io/ioutil"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v4/cmd/podman/common"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/utils"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/spf13/cobra"
)
var (
specCmd = &cobra.Command{
Use: "spec [options] {CONTAINER|POD}",
Short: "Generate Specgen JSON based on containers or pods",
Long: "Generate Specgen JSON based on containers or pods",
RunE: spec,
Args: cobra.ExactArgs(1),
ValidArgsFunction: common.AutocompleteContainersAndPods,
Example: `podman generate spec ctrID`,
}
)
var (
opts *entities.GenerateSpecOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: specCmd,
Parent: GenerateCmd,
})
opts = &entities.GenerateSpecOptions{}
flags := specCmd.Flags()
filenameFlagName := "filename"
flags.StringVarP(&opts.FileName, filenameFlagName, "f", "", "Write output to the specified path")
_ = specCmd.RegisterFlagCompletionFunc(filenameFlagName, completion.AutocompleteNone)
compactFlagName := "compact"
flags.BoolVarP(&opts.Compact, compactFlagName, "c", false, "Print the json in a compact format for consumption")
nameFlagName := "name"
flags.BoolVarP(&opts.Name, nameFlagName, "n", true, "Specify a new name for the generated spec")
flags.SetNormalizeFunc(utils.AliasFlags)
}
func spec(cmd *cobra.Command, args []string) error {
opts.ID = args[0]
report, err := registry.ContainerEngine().GenerateSpec(registry.GetContext(), opts)
if err != nil {
return err
}
// if we are looking to print the output, do not mess it up by printing the path
// if we are using -v the user probably expects to pipe the output somewhere else
if len(opts.FileName) > 0 {
err = ioutil.WriteFile(opts.FileName, report.Data, 0644)
if err != nil {
return err
}
fmt.Println(opts.FileName)
} else {
fmt.Println(string(report.Data))
}
return nil
}
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