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@ -16,9 +16,14 @@ limitations under the License.
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package installer // import "helm.sh/helm/v3/pkg/plugin/installer"
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package installer // import "helm.sh/helm/v3/pkg/plugin/installer"
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import (
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import (
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"archive/tar"
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"bytes"
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"bytes"
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"compress/gzip"
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"encoding/base64"
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"encoding/base64"
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"io/ioutil"
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"os"
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"os"
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"path/filepath"
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"syscall"
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"testing"
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"testing"
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"github.com/pkg/errors"
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"github.com/pkg/errors"
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@ -177,3 +182,87 @@ func TestHTTPInstallerUpdate(t *testing.T) {
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t.Error("update method not implemented for http installer")
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t.Error("update method not implemented for http installer")
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}
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}
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}
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}
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func TestExtract(t *testing.T) {
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source := "https://repo.localdomain/plugins/fake-plugin-0.0.1.tar.gz"
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tempDir, err := ioutil.TempDir("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tempDir)
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// Set the umask to default open permissions so we can actually test
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oldmask := syscall.Umask(0000)
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defer func() {
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syscall.Umask(oldmask)
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}()
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// Write a tarball to a buffer for us to extract
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var tarbuf bytes.Buffer
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tw := tar.NewWriter(&tarbuf)
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var files = []struct {
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Name, Body string
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Mode int64
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}{
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{"plugin.yaml", "plugin metadata", 0600},
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{"README.md", "some text", 0777},
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}
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for _, file := range files {
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hdr := &tar.Header{
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Name: file.Name,
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Typeflag: tar.TypeReg,
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Mode: file.Mode,
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Size: int64(len(file.Body)),
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}
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if err := tw.WriteHeader(hdr); err != nil {
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t.Fatal(err)
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}
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if _, err := tw.Write([]byte(file.Body)); err != nil {
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t.Fatal(err)
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}
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}
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if err := tw.Close(); err != nil {
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t.Fatal(err)
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}
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var buf bytes.Buffer
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gz := gzip.NewWriter(&buf)
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if _, err := gz.Write(tarbuf.Bytes()); err != nil {
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t.Fatal(err)
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}
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gz.Close()
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// END tarball creation
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extr, err := NewExtractor(source)
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if err != nil {
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t.Fatal(err)
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}
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if err = extr.Extract(&buf, tempDir); err != nil {
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t.Errorf("Did not expect error but got error: %v", err)
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}
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pluginYAMLFullPath := filepath.Join(tempDir, "plugin.yaml")
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if info, err := os.Stat(pluginYAMLFullPath); err != nil {
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if os.IsNotExist(err) {
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t.Errorf("Expected %s to exist but doesn't", pluginYAMLFullPath)
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} else {
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t.Error(err)
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}
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} else if info.Mode().Perm() != 0600 {
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t.Errorf("Expected %s to have 0600 mode it but has %o", pluginYAMLFullPath, info.Mode().Perm())
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}
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readmeFullPath := filepath.Join(tempDir, "README.md")
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if info, err := os.Stat(readmeFullPath); err != nil {
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if os.IsNotExist(err) {
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t.Errorf("Expected %s to exist but doesn't", readmeFullPath)
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} else {
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t.Error(err)
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}
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} else if info.Mode().Perm() != 0777 {
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t.Errorf("Expected %s to have 0777 mode it but has %o", readmeFullPath, info.Mode().Perm())
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}
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}
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