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delete.go
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delete.go
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package delete
import (
"context"
"errors"
"fmt"
"connectrpc.com/connect"
"github.com/spf13/cobra"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/cli-runtime/pkg/genericiooptions"
sigyaml "sigs.k8s.io/yaml"
"github.com/akuity/kargo/internal/cli/client"
"github.com/akuity/kargo/internal/cli/config"
"github.com/akuity/kargo/internal/cli/io"
"github.com/akuity/kargo/internal/cli/kubernetes"
"github.com/akuity/kargo/internal/cli/option"
"github.com/akuity/kargo/internal/cli/templates"
kargosvcapi "github.com/akuity/kargo/pkg/api/service/v1alpha1"
)
type deleteOptions struct {
genericiooptions.IOStreams
*genericclioptions.PrintFlags
Config config.CLIConfig
ClientOptions client.Options
Filenames []string
Recursive bool
}
func NewCommand(cfg config.CLIConfig, streams genericiooptions.IOStreams) *cobra.Command {
cmdOpts := &deleteOptions{
Config: cfg,
IOStreams: streams,
PrintFlags: genericclioptions.NewPrintFlags("deleted").WithTypeSetter(kubernetes.GetScheme()),
}
cmd := &cobra.Command{
Use: "delete (-f FILENAME | TYPE (NAME ...))",
Short: "Delete resources by file and names",
Args: option.NoArgs,
Example: templates.Example(`
# Delete a stage using the data in stage.yaml
kargo delete -f stage.yaml
# Delete the YAML resources in the stages directory
kargo delete -f stages/
# Delete a project
kargo delete project my-project
# Delete a stage
kargo delete stage --project=my-project my-stage
# Delete a warehouse
kargo delete warehouse --project=my-project my-warehouse
`),
RunE: func(cmd *cobra.Command, _ []string) error {
if err := cmdOpts.validate(); err != nil {
return err
}
return cmdOpts.run(cmd.Context())
},
}
// Register the option flags on the command.
cmdOpts.addFlags(cmd)
// Set the input/output streams for the command.
io.SetIOStreams(cmd, cmdOpts.IOStreams)
// Register subcommands.
cmd.AddCommand(newCredentialsCommand(cfg, streams))
cmd.AddCommand(newProjectCommand(cfg, streams))
cmd.AddCommand(newRoleCommand(cfg, streams))
cmd.AddCommand(newStageCommand(cfg, streams))
cmd.AddCommand(newWarehouseCommand(cfg, streams))
return cmd
}
// addFlags adds the flags for the delete options to the provided command.
func (o *deleteOptions) addFlags(cmd *cobra.Command) {
o.ClientOptions.AddFlags(cmd.PersistentFlags())
o.PrintFlags.AddFlags(cmd)
option.Filenames(cmd.Flags(), &o.Filenames, "Filename or directory to use to delete resource(s).")
option.Recursive(cmd.Flags(), &o.Recursive)
if err := cmd.MarkFlagRequired(option.FilenameFlag); err != nil {
panic(fmt.Errorf("could not mark filename flag as required: %w", err))
}
if err := cmd.MarkFlagFilename(option.FilenameFlag, ".yaml", ".yml"); err != nil {
panic(fmt.Errorf("could not mark filename flag as filename: %w", err))
}
if err := cmd.MarkFlagDirname(option.FilenameFlag); err != nil {
panic(fmt.Errorf("could not mark filename flag as dirname: %w", err))
}
}
// validate performs validation of the options. If the options are invalid, an
// error is returned.
func (o *deleteOptions) validate() error {
// While the filename flag is marked as required, a user could still
// provide an empty string. This is a check to ensure that the flag is
// not empty.
if len(o.Filenames) == 0 {
return errors.New("filename is required")
}
return nil
}
// run performs the delete operation using the options provided.
func (o *deleteOptions) run(ctx context.Context) error {
manifest, err := option.ReadManifests(o.Recursive, o.Filenames...)
if err != nil {
return fmt.Errorf("read manifests: %w", err)
}
kargoSvcCli, err := client.GetClientFromConfig(ctx, o.Config, o.ClientOptions)
if err != nil {
return fmt.Errorf("get client from config: %w", err)
}
resp, err := kargoSvcCli.DeleteResource(ctx, connect.NewRequest(&kargosvcapi.DeleteResourceRequest{
Manifest: manifest,
}))
if err != nil {
return fmt.Errorf("delete resource: %w", err)
}
resCap := len(resp.Msg.GetResults())
successRes := make([]*kargosvcapi.DeleteResourceResult_DeletedResourceManifest, 0, resCap)
deleteErrs := make([]error, 0, resCap)
for _, r := range resp.Msg.GetResults() {
switch typedRes := r.GetResult().(type) {
case *kargosvcapi.DeleteResourceResult_DeletedResourceManifest:
successRes = append(successRes, typedRes)
case *kargosvcapi.DeleteResourceResult_Error:
deleteErrs = append(deleteErrs, errors.New(typedRes.Error))
}
}
printer, err := o.PrintFlags.ToPrinter()
if err != nil {
return fmt.Errorf("create printer: %w", err)
}
for _, r := range successRes {
var obj unstructured.Unstructured
if err := sigyaml.Unmarshal(r.DeletedResourceManifest, &obj); err != nil {
_, _ = fmt.Fprintf(o.IOStreams.ErrOut, "Error: %s",
fmt.Errorf("unmarshal deleted manifest: %w", err))
continue
}
_ = printer.PrintObj(&obj, o.IOStreams.Out)
}
return errors.Join(deleteErrs...)
}