Exemple #1
0
// PostHook accepts a post-commit hook and parses the payload
// in order to trigger a build. The payload is specified to the
// remote system (ie GitHub) and will therefore get parsed by
// the appropriate remote plugin.
//
//     POST /api/repos/{host}/{owner}/{name}/branches/{branch}/commits/{commit}
//
func PostCommit(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var (
		branch = c.URLParams["branch"]
		hash   = c.URLParams["commit"]
		host   = c.URLParams["host"]
		repo   = ToRepo(c)
		remote = remote.Lookup(host)
	)

	commit, err := datastore.GetCommitSha(ctx, repo, branch, hash)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	if commit.Status == model.StatusStarted ||
		commit.Status == model.StatusEnqueue {
		w.WriteHeader(http.StatusConflict)
		return
	}

	commit.Status = model.StatusEnqueue
	commit.Started = 0
	commit.Finished = 0
	commit.Duration = 0
	if err := datastore.PutCommit(ctx, commit); err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}

	owner, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// Request a new token and update
	user_token, err := remote.GetToken(owner)
	if user_token != nil {
		owner.Access = user_token.AccessToken
		owner.Secret = user_token.RefreshToken
		owner.TokenExpiry = user_token.Expiry
		datastore.PutUser(ctx, owner)
	} else if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// drop the items on the queue
	go worker.Do(ctx, &worker.Work{
		User:   owner,
		Repo:   repo,
		Commit: commit,
		Host:   httputil.GetURL(r),
	})

	w.WriteHeader(http.StatusOK)
}
Exemple #2
0
// do is a blocking function that waits for an
// available worker to process work.
func (d *Director) do(c context.Context, work *worker.Work) {
	d.markPending(work)
	var pool = pool.FromContext(c)
	var worker = <-pool.Reserve()

	//	var worker worker.Worker
	//
	//	// waits for an available worker. This is a blocking
	//	// operation and will reject any nil workers to avoid
	//	// a potential panic.
	//	select {
	//	case worker = <-pool.Reserve():
	//		if worker != nil {
	//			break
	//		}
	//	}

	d.markStarted(work, worker)
	worker.Do(c, work)
	d.markComplete(work)
	pool.Release(worker)
}
Exemple #3
0
// PostHook accepts a post-commit hook and parses the payload
// in order to trigger a build. The payload is specified to the
// remote system (ie GitHub) and will therefore get parsed by
// the appropriate remote plugin.
//
//     GET /api/hook/:host
//
func PostHook(c web.C, w http.ResponseWriter, r *http.Request) {
	var ctx = context.FromC(c)
	var host = c.URLParams["host"]
	var token = c.URLParams["token"]
	var remote = remote.Lookup(host)
	if remote == nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// parse the hook payload
	hook, err := remote.ParseHook(r)
	if err != nil {
		log.Printf("Unable to parse hook. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// in some cases we have neither a hook nor error. An example
	// would be GitHub sending a ping request to the URL, in which
	// case we'll just exit quiely with an 'OK'
	shouldSkip, _ := regexp.MatchString(`\[(?i:ci *skip|skip *ci)\]`, hook.Message)
	if hook == nil || shouldSkip {
		w.WriteHeader(http.StatusOK)
		return
	}

	// fetch the repository from the database
	repo, err := datastore.GetRepoName(ctx, remote.GetHost(), hook.Owner, hook.Repo)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// each hook contains a token to verify the sender. If the token
	// is not provided or does not match, exit
	if len(repo.Token) == 0 || repo.Token != token {
		log.Printf("Rejected post commit hook for %s. Token mismatch\n", repo.Name)
		w.WriteHeader(http.StatusUnauthorized)
		return
	}

	if repo.Active == false ||
		(repo.PostCommit == false && len(hook.PullRequest) == 0) ||
		(repo.PullRequest == false && len(hook.PullRequest) != 0) {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// fetch the user from the database that owns this repo
	user, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	// Request a new token and update
	user_token, err := remote.GetToken(user)
	if user_token != nil {
		user.Access = user_token.AccessToken
		user.Secret = user_token.RefreshToken
		user.TokenExpiry = user_token.Expiry
		datastore.PutUser(ctx, user)
	} else if err != nil {
		log.Printf("Unable to refresh token. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// fetch the .drone.yml file from the database
	yml, err := remote.GetScript(user, repo, hook)
	if err != nil {
		log.Printf("Unable to fetch .drone.yml file. %s\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// verify the commit hooks branch matches the list of approved
	// branches (unless it is a pull request). Note that we don't really
	// care if parsing the yaml fails here.
	s, _ := script.ParseBuild(string(yml))
	if len(hook.PullRequest) == 0 && !s.MatchBranch(hook.Branch) {
		w.WriteHeader(http.StatusOK)
		return
	}

	commit := model.Commit{
		RepoID:      repo.ID,
		Status:      model.StatusEnqueue,
		Sha:         hook.Sha,
		Branch:      hook.Branch,
		PullRequest: hook.PullRequest,
		Timestamp:   hook.Timestamp,
		Message:     hook.Message,
		Config:      string(yml),
	}
	commit.SetAuthor(hook.Author)

	// inserts the commit into the database
	if err := datastore.PostCommit(ctx, &commit); err != nil {
		log.Printf("Unable to persist commit %s@%s. %s\n", commit.Sha, commit.Branch, err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	owner, err := datastore.GetUser(ctx, repo.UserID)
	if err != nil {
		log.Printf("Unable to retrieve repository owner. %s.\n", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	// drop the items on the queue
	go worker.Do(ctx, &worker.Work{
		User:   owner,
		Repo:   repo,
		Commit: &commit,
		Host:   httputil.GetURL(r),
	})

	w.WriteHeader(http.StatusOK)
}