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extract method to reduce cyclomatic complexity

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Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
This commit is contained in:
Nicolas De Loof 2023-09-29 10:18:11 +02:00
parent fe8c2780c8
commit 599e4b242a
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GPG Key ID: 9858809D6F8F6E7E
1 changed files with 42 additions and 35 deletions
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77
pkg/remote/oci.go
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@ -108,50 +108,57 @@ func (g ociRemoteLoader) Load(ctx context.Context, path string) (string, error)
local := filepath.Join(g.cache, descriptor.Digest.Hex()) local := filepath.Join(g.cache, descriptor.Digest.Hex())
composeFile := filepath.Join(local, "compose.yaml") composeFile := filepath.Join(local, "compose.yaml")
if _, err = os.Stat(local); os.IsNotExist(err) { if _, err = os.Stat(local); os.IsNotExist(err) {
err = os.MkdirAll(local, 0o700)
if err != nil {
return "", err
}
f, err := os.Create(composeFile)
if err != nil {
return "", err
}
defer f.Close() //nolint:errcheck
var manifest v1.Manifest var manifest v1.Manifest
err = json.Unmarshal(content, &manifest) err = json.Unmarshal(content, &manifest)
if err != nil { if err != nil {
return "", err return "", err
} }
if manifest.ArtifactType != "application/vnd.docker.compose.project" { s, err2 := g.pullComposeFiles(ctx, local, composeFile, manifest, ref, resolver)
return "", fmt.Errorf("%s is not a compose project OCI artifact, but %s", ref.String(), manifest.ArtifactType) if err2 != nil {
} return s, err2
for i, layer := range manifest.Layers {
digested, err := reference.WithDigest(ref, layer.Digest)
if err != nil {
return "", err
}
content, _, err := resolver.Get(ctx, digested.String())
if err != nil {
return "", err
}
if i > 0 {
_, err = f.Write([]byte("\n---\n"))
if err != nil {
return "", err
}
}
_, err = f.Write(content)
if err != nil {
return "", err
}
} }
} }
return composeFile, nil return composeFile, nil
} }
func (g ociRemoteLoader) pullComposeFiles(ctx context.Context, local string, composeFile string, manifest v1.Manifest, ref reference.Named, resolver *imagetools.Resolver) (string, error) {
err := os.MkdirAll(local, 0o700)
if err != nil {
return "", err
}
f, err := os.Create(composeFile)
if err != nil {
return "", err
}
defer f.Close() //nolint:errcheck
if manifest.ArtifactType != "application/vnd.docker.compose.project" {
return "", fmt.Errorf("%s is not a compose project OCI artifact, but %s", ref.String(), manifest.ArtifactType)
}
for i, layer := range manifest.Layers {
digested, err := reference.WithDigest(ref, layer.Digest)
if err != nil {
return "", err
}
content, _, err := resolver.Get(ctx, digested.String())
if err != nil {
return "", err
}
if i > 0 {
_, err = f.Write([]byte("\n---\n"))
if err != nil {
return "", err
}
}
_, err = f.Write(content)
if err != nil {
return "", err
}
}
return "", nil
}
var _ loader.ResourceLoader = ociRemoteLoader{} var _ loader.ResourceLoader = ociRemoteLoader{}