mirror of https://github.com/fluxcd/flux2.git
Add list artifacts command
Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>pull/2971/head
Stefan Prodan
3 years ago
parent
2d8db4f20d
commit
2f35367a7f
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/*
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Copyright 2021 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"github.com/spf13/cobra"
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)
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var listCmd = &cobra.Command{
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Use: "list",
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Short: "List artifacts",
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Long: "The list command is used for printing the OCI artifacts metadata.",
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}
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func init() {
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rootCmd.AddCommand(listCmd)
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}
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/*
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Copyright 2022 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"github.com/fluxcd/flux2/internal/oci"
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"github.com/fluxcd/flux2/pkg/printers"
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"github.com/spf13/cobra"
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)
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var listArtifactsCmd = &cobra.Command{
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Use: "artifacts",
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Short: "list artifacts",
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Long: `The list command fetches the tags and their metadata from a remote OCI repository.
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The list command uses the credentials from '~/.docker/config.json'.`,
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Example: `# list the artifacts stored in an OCI repository
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flux list artifact ghcr.io/org/manifests/app
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`,
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RunE: listArtifactsCmdRun,
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}
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func init() {
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listCmd.AddCommand(listArtifactsCmd)
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}
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func listArtifactsCmdRun(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("artifact repository is required")
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}
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url := args[0]
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ctx, cancel := context.WithTimeout(context.Background(), rootArgs.timeout)
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defer cancel()
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metas, err := oci.List(ctx, url)
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if err != nil {
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return err
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}
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var rows [][]string
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for _, meta := range metas {
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rows = append(rows, []string{meta.URL, meta.Digest, meta.Source, meta.Revision})
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}
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err = printers.TablePrinter([]string{"artifact", "digest", "source", "revision"}).Print(cmd.OutOrStdout(), rows)
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if err != nil {
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return err
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}
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return nil
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}
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@ -0,0 +1,70 @@
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/*
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Copyright 2022 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package oci
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import (
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"bytes"
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"context"
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"fmt"
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"sort"
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"strings"
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"github.com/google/go-containerregistry/pkg/crane"
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gcrv1 "github.com/google/go-containerregistry/pkg/v1"
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)
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// List fetches the tags and their manifests for a given OCI repository.
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func List(ctx context.Context, url string) ([]Metadata, error) {
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metas := make([]Metadata, 0)
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tags, err := crane.ListTags(url, craneOptions(ctx)...)
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if err != nil {
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return nil, fmt.Errorf("listing tags failed: %w", err)
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}
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sort.Slice(tags, func(i, j int) bool { return tags[i] > tags[j] })
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for _, tag := range tags {
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// exclude cosign signatures
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if strings.HasSuffix(tag, ".sig") {
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continue
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}
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meta := Metadata{
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URL: fmt.Sprintf("%s:%s", url, tag),
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}
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manifestJSON, err := crane.Manifest(meta.URL, craneOptions(ctx)...)
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if err != nil {
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return nil, fmt.Errorf("fetching manifest failed: %w", err)
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}
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manifest, err := gcrv1.ParseManifest(bytes.NewReader(manifestJSON))
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if err != nil {
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return nil, fmt.Errorf("parsing manifest failed: %w", err)
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}
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meta.Digest = manifest.Config.Digest.String()
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if m, err := MetadataFromAnnotations(manifest.Annotations); err == nil {
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meta.Revision = m.Revision
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meta.Source = m.Source
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}
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metas = append(metas, meta)
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}
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return metas, nil
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}
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