pin dependencies

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/helm.sh/helm/v3/pkg/action/pull.go

@@ -0,0 +1,169 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package action
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/pkg/errors"
+
+	"helm.sh/helm/v3/pkg/chartutil"
+	"helm.sh/helm/v3/pkg/cli"
+	"helm.sh/helm/v3/pkg/downloader"
+	"helm.sh/helm/v3/pkg/getter"
+	"helm.sh/helm/v3/pkg/repo"
+)
+
+// Pull is the action for checking a given release's information.
+//
+// It provides the implementation of 'helm pull'.
+type Pull struct {
+	ChartPathOptions
+
+	Settings *cli.EnvSettings // TODO: refactor this out of pkg/action
+
+	Devel       bool
+	Untar       bool
+	VerifyLater bool
+	UntarDir    string
+	DestDir     string
+	cfg         *Configuration
+}
+
+type PullOpt func(*Pull)
+
+func WithConfig(cfg *Configuration) PullOpt {
+	return func(p *Pull) {
+		p.cfg = cfg
+	}
+}
+
+// NewPull creates a new Pull object.
+func NewPull() *Pull {
+	return NewPullWithOpts()
+}
+
+// NewPullWithOpts creates a new pull, with configuration options.
+func NewPullWithOpts(opts ...PullOpt) *Pull {
+	p := &Pull{}
+	for _, fn := range opts {
+		fn(p)
+	}
+
+	return p
+}
+
+// Run executes 'helm pull' against the given release.
+func (p *Pull) Run(chartRef string) (string, error) {
+	var out strings.Builder
+
+	c := downloader.ChartDownloader{
+		Out:     &out,
+		Keyring: p.Keyring,
+		Verify:  downloader.VerifyNever,
+		Getters: getter.All(p.Settings),
+		Options: []getter.Option{
+			getter.WithBasicAuth(p.Username, p.Password),
+			getter.WithPassCredentialsAll(p.PassCredentialsAll),
+			getter.WithTLSClientConfig(p.CertFile, p.KeyFile, p.CaFile),
+			getter.WithInsecureSkipVerifyTLS(p.InsecureSkipTLSverify),
+		},
+		RepositoryConfig: p.Settings.RepositoryConfig,
+		RepositoryCache:  p.Settings.RepositoryCache,
+	}
+
+	if strings.HasPrefix(chartRef, "oci://") {
+		if p.Version == "" {
+			return out.String(), errors.Errorf("--version flag is explicitly required for OCI registries")
+		}
+
+		c.Options = append(c.Options,
+			getter.WithRegistryClient(p.cfg.RegistryClient),
+			getter.WithTagName(p.Version))
+	}
+
+	if p.Verify {
+		c.Verify = downloader.VerifyAlways
+	} else if p.VerifyLater {
+		c.Verify = downloader.VerifyLater
+	}
+
+	// If untar is set, we fetch to a tempdir, then untar and copy after
+	// verification.
+	dest := p.DestDir
+	if p.Untar {
+		var err error
+		dest, err = ioutil.TempDir("", "helm-")
+		if err != nil {
+			return out.String(), errors.Wrap(err, "failed to untar")
+		}
+		defer os.RemoveAll(dest)
+	}
+
+	if p.RepoURL != "" {
+		chartURL, err := repo.FindChartInAuthAndTLSAndPassRepoURL(p.RepoURL, p.Username, p.Password, chartRef, p.Version, p.CertFile, p.KeyFile, p.CaFile, p.InsecureSkipTLSverify, p.PassCredentialsAll, getter.All(p.Settings))
+		if err != nil {
+			return out.String(), err
+		}
+		chartRef = chartURL
+	}
+
+	saved, v, err := c.DownloadTo(chartRef, p.Version, dest)
+	if err != nil {
+		return out.String(), err
+	}
+
+	if p.Verify {
+		for name := range v.SignedBy.Identities {
+			fmt.Fprintf(&out, "Signed by: %v\n", name)
+		}
+		fmt.Fprintf(&out, "Using Key With Fingerprint: %X\n", v.SignedBy.PrimaryKey.Fingerprint)
+		fmt.Fprintf(&out, "Chart Hash Verified: %s\n", v.FileHash)
+	}
+
+	// After verification, untar the chart into the requested directory.
+	if p.Untar {
+		ud := p.UntarDir
+		if !filepath.IsAbs(ud) {
+			ud = filepath.Join(p.DestDir, ud)
+		}
+		// Let udCheck to check conflict file/dir without replacing ud when untarDir is the current directory(.).
+		udCheck := ud
+		if udCheck == "." {
+			_, udCheck = filepath.Split(chartRef)
+		} else {
+			_, chartName := filepath.Split(chartRef)
+			udCheck = filepath.Join(udCheck, chartName)
+		}
+
+		if _, err := os.Stat(udCheck); err != nil {
+			if err := os.MkdirAll(udCheck, 0755); err != nil {
+				return out.String(), errors.Wrap(err, "failed to untar (mkdir)")
+			}
+
+		} else {
+			return out.String(), errors.Errorf("failed to untar: a file or directory with the name %s already exists", udCheck)
+		}
+
+		return out.String(), chartutil.ExpandFile(ud, saved)
+	}
+	return out.String(), nil
+}