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repo_service.go
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repo_service.go
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package services
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
"github.com/argoproj/argo-cd/v2/util/db"
"github.com/argoproj/argo-cd/v2/util/git"
)
// RepositoryDB Is a lean facade for ArgoDB,
// Using a lean interface makes it more easy to test the functionality the git generator uses
type RepositoryDB interface {
GetRepository(ctx context.Context, url string) (*v1alpha1.Repository, error)
}
type argoCDService struct {
repositoriesDB RepositoryDB
storecreds git.CredsStore
submoduleEnabled bool
}
type Repos interface {
// GetFiles returns content of files (not directories) within the target repo
GetFiles(ctx context.Context, repoURL string, revision string, pattern string) (map[string][]byte, error)
// GetDirectories returns a list of directories (not files) within the target repo
GetDirectories(ctx context.Context, repoURL string, revision string) ([]string, error)
}
func NewArgoCDService(db db.ArgoDB, gitCredStore git.CredsStore, submoduleEnabled bool) Repos {
return &argoCDService{
repositoriesDB: db.(RepositoryDB),
storecreds: gitCredStore,
submoduleEnabled: submoduleEnabled,
}
}
func (a *argoCDService) GetFiles(ctx context.Context, repoURL string, revision string, pattern string) (map[string][]byte, error) {
repo, err := a.repositoriesDB.GetRepository(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("Error in GetRepository: %w", err)
}
gitRepoClient, err := git.NewClient(repo.Repo, repo.GetGitCreds(a.storecreds), repo.IsInsecure(), repo.IsLFSEnabled(), repo.Proxy)
if err != nil {
return nil, err
}
err = checkoutRepo(gitRepoClient, revision, a.submoduleEnabled)
if err != nil {
return nil, err
}
paths, err := gitRepoClient.LsFiles(pattern)
if err != nil {
return nil, fmt.Errorf("Error during listing files of local repo: %w", err)
}
res := map[string][]byte{}
for _, filePath := range paths {
bytes, err := os.ReadFile(filepath.Join(gitRepoClient.Root(), filePath))
if err != nil {
return nil, err
}
res[filePath] = bytes
}
return res, nil
}
func (a *argoCDService) GetDirectories(ctx context.Context, repoURL string, revision string) ([]string, error) {
repo, err := a.repositoriesDB.GetRepository(ctx, repoURL)
if err != nil {
return nil, fmt.Errorf("Error in GetRepository: %w", err)
}
gitRepoClient, err := git.NewClient(repo.Repo, repo.GetGitCreds(a.storecreds), repo.IsInsecure(), repo.IsLFSEnabled(), repo.Proxy)
if err != nil {
return nil, err
}
err = checkoutRepo(gitRepoClient, revision, a.submoduleEnabled)
if err != nil {
return nil, err
}
filteredPaths := []string{}
repoRoot := gitRepoClient.Root()
if err := filepath.Walk(repoRoot, func(path string, info os.FileInfo, fnErr error) error {
if fnErr != nil {
return fnErr
}
if !info.IsDir() { // Skip files: directories only
return nil
}
fname := info.Name()
if strings.HasPrefix(fname, ".") { // Skip all folders starts with "."
return filepath.SkipDir
}
relativePath, err := filepath.Rel(repoRoot, path)
if err != nil {
return err
}
if relativePath == "." { // Exclude '.' from results
return nil
}
filteredPaths = append(filteredPaths, relativePath)
return nil
}); err != nil {
return nil, err
}
return filteredPaths, nil
}
func checkoutRepo(gitRepoClient git.Client, revision string, submoduleEnabled bool) error {
err := gitRepoClient.Init()
if err != nil {
return fmt.Errorf("Error during initializing repo: %w", err)
}
err = gitRepoClient.Fetch(revision)
if err != nil {
return fmt.Errorf("Error during fetching repo: %w", err)
}
commitSHA, err := gitRepoClient.LsRemote(revision)
if err != nil {
return fmt.Errorf("Error during fetching commitSHA: %w", err)
}
err = gitRepoClient.Checkout(commitSHA, submoduleEnabled)
if err != nil {
return fmt.Errorf("Error during repo checkout: %w", err)
}
return nil
}