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bundle.go
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bundle.go
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package main
import (
"context"
"fmt"
"os"
"text/tabwriter"
"oras.land/oras-go/v2"
"github.com/spf13/cobra"
"go.flipt.io/flipt/internal/config"
"go.flipt.io/flipt/internal/containers"
"go.flipt.io/flipt/internal/oci"
)
type bundleCommand struct{}
func newBundleCommand() *cobra.Command {
bundle := &bundleCommand{}
cmd := &cobra.Command{
Use: "bundle",
Short: "Manage Flipt bundles",
}
cmd.AddCommand(&cobra.Command{
Use: "build [flags] <name>",
Short: "Build a bundle",
RunE: bundle.build,
Args: cobra.ExactArgs(1),
})
cmd.AddCommand(&cobra.Command{
Use: "list [flags]",
Short: "List all bundles",
RunE: bundle.list,
})
cmd.AddCommand(&cobra.Command{
Use: "push [flags] <from> <to>",
Short: "Push local bundle to remote",
RunE: bundle.push,
Args: cobra.ExactArgs(2),
})
cmd.AddCommand(&cobra.Command{
Use: "pull [flags] <remote>",
Short: "Pull a remote bundle",
RunE: bundle.pull,
Args: cobra.ExactArgs(1),
})
return cmd
}
func (c *bundleCommand) build(cmd *cobra.Command, args []string) error {
ctx := cmd.Context()
store, err := c.getStore(ctx)
if err != nil {
return err
}
ref, err := oci.ParseReference(args[0])
if err != nil {
return err
}
bundle, err := store.Build(cmd.Context(), os.DirFS("."), ref)
if err != nil {
return err
}
fmt.Println(bundle.Digest)
return nil
}
func (c *bundleCommand) list(cmd *cobra.Command, args []string) error {
ctx := cmd.Context()
store, err := c.getStore(ctx)
if err != nil {
return err
}
bundles, err := store.List(cmd.Context())
if err != nil {
return err
}
wr := writer()
fmt.Fprintf(wr, "DIGEST\tREPO\tTAG\tCREATED\t\n")
for _, bundle := range bundles {
fmt.Fprintf(wr, "%s\t%s\t%s\t%s\t\n", bundle.Digest.Hex()[:7], bundle.Repository, bundle.Tag, bundle.CreatedAt)
}
return wr.Flush()
}
func (c *bundleCommand) push(cmd *cobra.Command, args []string) error {
ctx := cmd.Context()
store, err := c.getStore(ctx)
if err != nil {
return err
}
src, err := oci.ParseReference(args[0])
if err != nil {
return err
}
dst, err := oci.ParseReference(args[1])
if err != nil {
return err
}
bundle, err := store.Copy(cmd.Context(), src, dst)
if err != nil {
return err
}
fmt.Println(bundle.Digest)
return nil
}
func (c *bundleCommand) pull(cmd *cobra.Command, args []string) error {
ctx := cmd.Context()
store, err := c.getStore(ctx)
if err != nil {
return err
}
src, err := oci.ParseReference(args[0])
if err != nil {
return err
}
// copy source into destination and rewrite
// to reference the local equivalent name
dst := src
dst.Registry = "local"
dst.Scheme = "flipt"
bundle, err := store.Copy(cmd.Context(), src, dst)
if err != nil {
return err
}
fmt.Println(bundle.Digest)
return nil
}
func (c *bundleCommand) getStore(ctx context.Context) (*oci.Store, error) {
logger, cfg, err := buildConfig(ctx)
if err != nil {
return nil, err
}
dir, err := config.DefaultBundleDir()
if err != nil {
return nil, err
}
var opts []containers.Option[oci.StoreOptions]
if cfg := cfg.Storage.OCI; cfg != nil {
if cfg.Authentication != nil {
if !cfg.Authentication.Type.IsValid() {
cfg.Authentication.Type = oci.AuthenticationTypeStatic
}
opt, err := oci.WithCredentials(
cfg.Authentication.Type,
cfg.Authentication.Username,
cfg.Authentication.Password,
)
if err != nil {
return nil, err
}
opts = append(opts, opt)
}
// The default is the 1.1 version, this is why we don't need to check it in here.
if cfg.ManifestVersion == config.OCIManifestVersion10 {
opts = append(opts, oci.WithManifestVersion(oras.PackManifestVersion1_0))
}
if cfg.BundlesDirectory != "" {
dir = cfg.BundlesDirectory
}
}
return oci.NewStore(logger, dir, opts...)
}
func writer() *tabwriter.Writer {
return tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
}