mirror of
https://github.com/grafana/grafana.git
synced 2024-11-24 09:50:29 -06:00
6afad51761
* Move SignedInUser to user service and RoleType and Roles to org * Use go naming convention for roles * Fix some imports and leftovers * Fix ldap debug test * Fix lint * Fix lint 2 * Fix lint 3 * Fix type and not needed conversion * Clean up messages in api tests * Clean up api tests 2
388 lines
8.7 KiB
Go
388 lines
8.7 KiB
Go
package store
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"time"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing/object"
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"github.com/grafana/grafana-plugin-sdk-go/data"
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"github.com/grafana/grafana/pkg/infra/filestorage"
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"github.com/grafana/grafana/pkg/services/user"
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"github.com/grafana/grafana/pkg/setting"
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"gocloud.dev/blob"
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)
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const rootStorageTypeGit = "git"
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var _ storageRuntime = &rootStorageGit{}
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type rootStorageGit struct {
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settings *StorageGitConfig
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repo *git.Repository
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root string // repostitory root
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github *githubHelper
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meta RootStorageMeta
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store filestorage.FileStorage
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}
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func newGitStorage(meta RootStorageMeta, scfg RootStorageConfig, localWorkCache string) *rootStorageGit {
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cfg := scfg.Git
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if cfg == nil {
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cfg = &StorageGitConfig{}
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}
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scfg.Type = rootStorageTypeGit
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scfg.GCS = nil
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scfg.SQL = nil
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scfg.S3 = nil
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scfg.Git = cfg
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meta.Config = scfg
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if scfg.Prefix == "" {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Missing prefix",
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})
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}
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if cfg.Remote == "" {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Missing remote path configuration",
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})
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}
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if len(localWorkCache) < 2 {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Invalid local root folder",
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})
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}
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s := &rootStorageGit{
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settings: cfg,
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}
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if meta.Notice == nil {
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err := os.MkdirAll(localWorkCache, 0750)
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: err.Error(),
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})
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}
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}
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if scfg.Disabled {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityWarning,
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Text: "folder is disabled (in configuration)",
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})
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} else if setting.Env == setting.Prod {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "git is only supported in dev mode (for now)",
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})
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}
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if meta.Notice == nil {
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repo, err := git.PlainOpen(localWorkCache)
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if errors.Is(err, git.ErrRepositoryNotExists) {
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repo, err = git.PlainClone(localWorkCache, false, &git.CloneOptions{
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URL: cfg.Remote,
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Progress: os.Stdout,
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//Depth: 1,
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//SingleBranch: true,
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})
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}
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: err.Error(),
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})
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}
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if err == nil {
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p := localWorkCache
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if cfg.Root != "" {
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p = filepath.Join(p, cfg.Root)
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}
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path := fmt.Sprintf("file://%s", p)
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bucket, err := blob.OpenBucket(context.Background(), path)
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if err != nil {
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grafanaStorageLogger.Warn("error loading storage", "prefix", scfg.Prefix, "err", err)
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Failed to initialize storage",
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})
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} else {
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s.store = filestorage.NewCdkBlobStorage(
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grafanaStorageLogger,
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bucket, "", nil)
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meta.Ready = true // exists!
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s.root = p
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token := cfg.AccessToken
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if strings.HasPrefix(token, "$") {
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token = os.Getenv(token[1:])
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if token == "" {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Unable to find token environment variable: " + cfg.AccessToken,
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})
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}
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}
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if token != "" {
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s.github, err = newGithubHelper(context.Background(), cfg.Remote, token)
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "error creating github client: " + err.Error(),
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})
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s.github = nil
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} else {
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ghrepo, _, err := s.github.getRepo(context.Background())
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: err.Error(),
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})
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s.github = nil
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} else {
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grafanaStorageLogger.Info("default branch", "branch", *ghrepo.DefaultBranch)
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}
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}
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}
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}
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}
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s.repo = repo
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// Try pulling after init
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if s.repo != nil && !scfg.Disabled {
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err = s.Sync()
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "unable to pull: " + err.Error(),
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})
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} else if cfg.PullInterval != "" {
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t, err := time.ParseDuration(cfg.PullInterval)
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if err != nil {
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meta.Notice = append(meta.Notice, data.Notice{
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Severity: data.NoticeSeverityError,
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Text: "Invalid pull interval " + cfg.PullInterval,
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})
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} else {
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ticker := time.NewTicker(t)
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go func() {
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for range ticker.C {
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grafanaStorageLogger.Info("try git pull", "branch", s.settings.Remote)
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err = s.Sync()
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if err != nil {
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grafanaStorageLogger.Info("error pulling", "error", err)
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}
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}
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}()
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}
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}
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}
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}
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s.meta = meta
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return s
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}
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func (s *rootStorageGit) Meta() RootStorageMeta {
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return s.meta
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}
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func (s *rootStorageGit) Store() filestorage.FileStorage {
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return s.store
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}
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func (s *rootStorageGit) Pull() error {
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w, err := s.repo.Worktree()
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if err != nil {
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return err
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}
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err = w.Pull(&git.PullOptions{
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// Depth: 1,
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//SingleBranch: true,
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})
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if err != nil {
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return err
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}
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return nil
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}
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func (s *rootStorageGit) Write(ctx context.Context, cmd *WriteValueRequest) (*WriteValueResponse, error) {
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if s.github == nil {
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return nil, fmt.Errorf("github client not initialized")
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}
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// Write to the correct subfolder
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if s.settings.Root != "" {
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cmd.Path = s.settings.Root + cmd.Path
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}
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if cmd.Workflow == WriteValueWorkflow_PR {
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prcmd := makePRCommand{
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baseBranch: s.settings.Branch,
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headBranch: fmt.Sprintf("grafana_ui_%d", time.Now().UnixMilli()),
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title: cmd.Title,
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body: cmd.Message,
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}
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res := &WriteValueResponse{
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Branch: prcmd.headBranch,
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}
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ref, _, err := s.github.createRef(ctx, prcmd.baseBranch, prcmd.headBranch)
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if err != nil {
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res.Code = 500
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res.Message = "unable to create branch"
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return res, nil
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}
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err = s.github.pushCommit(ctx, ref, cmd)
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if err != nil {
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res.Code = 500
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res.Message = fmt.Sprintf("error creating commit: %s", err.Error())
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return res, nil
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}
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if prcmd.title == "" {
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prcmd.title = "Dashboard save: " + time.Now().String()
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}
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if prcmd.body == "" {
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prcmd.body = "Dashboard save: " + time.Now().String()
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}
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pr, _, err := s.github.createPR(ctx, prcmd)
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if err != nil {
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res.Code = 500
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res.Message = "error creating PR: " + err.Error()
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return res, nil
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}
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res.Code = 200
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res.URL = pr.GetHTMLURL()
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res.Pending = true
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res.Hash = *ref.Object.SHA
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res.Branch = prcmd.headBranch
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return res, nil
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}
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// Push to remote branch (save)
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if cmd.Workflow == WriteValueWorkflow_Push || true {
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res := &WriteValueResponse{
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Branch: s.settings.Branch,
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}
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ref, _, err := s.github.getRef(ctx, s.settings.Branch)
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if err != nil {
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res.Code = 500
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res.Message = "unable to create branch"
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return res, nil
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}
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err = s.github.pushCommit(ctx, ref, cmd)
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if err != nil {
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res.Code = 500
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res.Message = "error creating commit"
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return res, nil
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}
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ref, _, _ = s.github.getRef(ctx, s.settings.Branch)
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if ref != nil {
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res.Hash = *ref.Object.SHA
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res.URL = ref.GetURL()
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}
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err = s.Pull()
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if err != nil {
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res.Message = "error pulling: " + err.Error()
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}
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res.Code = 200
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return res, nil
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}
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rel := cmd.Path
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if s.meta.Config.Git.Root != "" {
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rel = filepath.Join(s.meta.Config.Git.Root, cmd.Path)
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}
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fpath := filepath.Join(s.root, rel)
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err := os.WriteFile(fpath, cmd.Body, 0644)
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if err != nil {
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return nil, err
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}
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w, err := s.repo.Worktree()
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if err != nil {
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return nil, err
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}
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// The file we just wrote
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_, err = w.Add(rel)
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if err != nil {
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return nil, err
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}
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msg := cmd.Message
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if msg == "" {
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msg = "changes from grafana ui"
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}
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usr := cmd.User
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if usr == nil {
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usr = &user.SignedInUser{}
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}
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hash, err := w.Commit(msg, &git.CommitOptions{
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Author: &object.Signature{
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Name: firstRealString(usr.Name, usr.Login, usr.Email, "?"),
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Email: firstRealString(usr.Email, usr.Login, usr.Name, "?"),
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When: time.Now(),
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},
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})
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if err != nil {
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return nil, err
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}
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grafanaStorageLogger.Info("made commit", "hash", hash)
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// err = s.repo.Push(&git.PushOptions{
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// InsecureSkipTLS: true,
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// })
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return &WriteValueResponse{
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Hash: hash.String(),
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Message: "made commit",
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}, nil
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}
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func (s *rootStorageGit) Sync() error {
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grafanaStorageLogger.Info("GIT PULL", "remote", s.settings.Remote)
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err := s.Pull()
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if err != nil {
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if err.Error() == "already up-to-date" {
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return nil
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}
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}
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return err
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}
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func firstRealString(vals ...string) string {
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for _, v := range vals {
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if v != "" {
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return v
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}
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}
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return "?"
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}
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