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coderabbit fixes for fetcher and replicator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| package state | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "container-registry.com/harbor-satellite/internal/config" | ||
| "oras.land/oras-go/v2" | ||
| "oras.land/oras-go/v2/content/file" | ||
| "oras.land/oras-go/v2/registry/remote" | ||
| "oras.land/oras-go/v2/registry/remote/auth" | ||
| "oras.land/oras-go/v2/registry/remote/retry" | ||
| ) | ||
|
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||
|
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| type StateFetcher interface { | ||
| // Fetches the state artifact from the registry | ||
| FetchStateArtifact() (StateReader, error) | ||
| } | ||
|
|
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| type URLStateFetcher struct { | ||
| url string | ||
| group_name string | ||
| state_artifact_name string | ||
| state_artifact_reader StateReader | ||
| } | ||
|
|
||
| func NewURLStateFetcher() StateFetcher { | ||
| url := config.GetRemoteRegistryURL() | ||
| // Trim the "https://" or "http://" prefix if present | ||
| url = strings.TrimPrefix(url, "https://") | ||
| url = strings.TrimPrefix(url, "http://") | ||
| state_artifact_reader := NewState() | ||
| return &URLStateFetcher{ | ||
| url: url, | ||
| group_name: config.GetGroupName(), | ||
| state_artifact_name: config.GetStateArtifactName(), | ||
| state_artifact_reader: state_artifact_reader, | ||
| } | ||
| } | ||
|
|
||
| type FileStateArtifactFetcher struct { | ||
| filePath string | ||
| group_name string | ||
| state_artifact_name string | ||
| state_artifact_reader StateReader | ||
| } | ||
|
|
||
| func NewFileStateFetcher() StateFetcher { | ||
| filePath := config.GetInput() | ||
| state_artifact_reader := NewState() | ||
| return &FileStateArtifactFetcher{ | ||
| filePath: filePath, | ||
| group_name: config.GetGroupName(), | ||
| state_artifact_name: config.GetStateArtifactName(), | ||
| state_artifact_reader: state_artifact_reader, | ||
| } | ||
| } | ||
|
|
||
| func (f *FileStateArtifactFetcher) FetchStateArtifact() (StateReader, error) { | ||
| /// Read the state artifact file from the file path | ||
| content, err := os.ReadFile(f.filePath) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to read the state artifact file: %v", err) | ||
| } | ||
| state_reader, err := FromJSON(content, f.state_artifact_reader) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse the state artifact file: %v", err) | ||
| } | ||
| return state_reader, nil | ||
| } | ||
|
|
||
| func (f *URLStateFetcher) FetchStateArtifact() (StateReader, error) { | ||
| cwd, err := os.Getwd() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get current working directory: %v", err) | ||
| } | ||
| // Creating a file store in the current working directory will be deleted later after reading the state artifact | ||
| fs, err := file.New(fmt.Sprintf("%s/state-artifact", cwd)) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create file store: %v", err) | ||
| } | ||
| defer fs.Close() | ||
|
|
||
| ctx := context.Background() | ||
|
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| repo, err := remote.NewRepository(fmt.Sprintf("%s/%s/%s", f.url, f.group_name, f.state_artifact_name)) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create remote repository: %v", err) | ||
| } | ||
|
|
||
| // Setting up the authentication for the remote registry | ||
| repo.Client = &auth.Client{ | ||
| Client: retry.DefaultClient, | ||
| Cache: auth.NewCache(), | ||
| Credential: auth.StaticCredential( | ||
| f.url, | ||
| auth.Credential{ | ||
| Username: config.GetHarborUsername(), | ||
| Password: config.GetHarborPassword(), | ||
| }, | ||
| ), | ||
| } | ||
| // Copy from the remote repository to the file store | ||
| tag := "latest" | ||
| _, err = oras.Copy(ctx, repo, tag, fs, tag, oras.DefaultCopyOptions) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to copy from remote repository to file store: %v", err) | ||
| } | ||
| stateArtifactDir := filepath.Join(cwd, "state-artifact") | ||
|
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||
| var state_reader StateReader | ||
| // Find the state artifact file in the state-artifact directory that is created temporarily | ||
| err = filepath.Walk(stateArtifactDir, func(path string, info os.FileInfo, err error) error { | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if filepath.Ext(info.Name()) == ".json" { | ||
| content, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| state_reader, err = FromJSON(content, f.state_artifact_reader) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to parse the state artifact file: %v", err) | ||
| } | ||
| return nil | ||
| } | ||
| return nil | ||
| }) | ||
|
|
||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to read the state artifact file: %v", err) | ||
| } | ||
| // Clean up everything inside the state-artifact folder | ||
| err = os.RemoveAll(stateArtifactDir) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to remove state-artifact directory: %v", err) | ||
| } | ||
| return state_reader, nil | ||
| } | ||
|
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| // FromJSON parses the input JSON data into a StateArtifactReader | ||
| func FromJSON(data []byte, reg StateReader) (StateReader, error) { | ||
| if err := json.Unmarshal(data, ®); err != nil { | ||
| fmt.Print("Error in unmarshalling") | ||
| return nil, err | ||
| } | ||
| // Validation | ||
| if reg.GetRegistryURL()== "" { | ||
| return nil, fmt.Errorf("registry URL is required") | ||
| } | ||
| return reg, nil | ||
| } |
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