def start(self):
""" detach from the parent, decouple everything, and rebind """
log.info("Starting roundabout...")
_fork(1) and _decouple()
_fork(2) and self.__rebind()
self.__write_pid_file(os.getpid())
log.info("Done")
def reload(self):
"""Sleep for configured time, the descendent class should then reload
the data for the job.
"""
sleeptime = int(self.config["ci"].get("job_reload_sleep", 30))
log.info("Job not complete, sleeping for %s seconds..." % sleeptime)
time.sleep(sleeptime)
def merge(self, branch, squash=None, message=None):
""" Merge the passed in branch with HEAD """
log.info("merging %s into %s" % (branch, self.repo.active_branch.name))
merge_cmd = ('git', 'merge', branch)
try:
if squash:
squash_cmd = tuple(list(merge_cmd) + ['--squash'])
self.repo.git.execute(squash_cmd)
if not message:
try:
with open(self.clonepath + "/.git/SQUASH_MSG") as msg:
message = msg.read()
except IOError:
message = "Squash merge %s into %s" % (branch,
self.repo.active_branch.name)
commit_cmd = ['git', 'commit', '-m']
commit_cmd.append(message)
return self.repo.git.execute(tuple(commit_cmd))
else:
return self.repo.git.execute(merge_cmd)
except git.exc.GitCommandError, e:
# If there's a merge failure reset and raise.
self.repo.head.reset(working_tree=True)
raise GitException(e)
def comment(self, message):
"""
Add a comment to the specified issue.
Returns a dict representation of the comment.
"""
log.info("commenting on %s: %s" % (self.number, message))
return self.client.github.issues.comment(
self.client.config["github"]["repo"], self.number, message)
def spawn(cls, branch, config, opener=None):
"""
Create and return a paramaterized Job based on the CI config.
"""
ci_class = get_ci_class(config["ci"]["class"])
log.info("Starting %s job" % config["ci"]["class"])
return ci_class.spawn(branch, config, opener)
def close(self, message):
"""
Add a comment to this pull request and close it.
Returns the closed Issue.
"""
self.comment(message)
log.info("Closing %s" % self.html_url)
return self.client.github.issues.close(
self.client.config["github"]["repo"], self.number)
def spawn(cls, branch, config, opener=None):
"""
Create and return a paramaterized build of the current job
"""
_job = cls(config, opener=opener)
log.info("Building: %s for %s" % (_job.config["ci"]["job"], branch))
if _job.req(_job.build_endpoint % (_job.config["ci"]["base_url"], _job.config["ci"]["job"], branch)):
build_id = _job.properties["nextBuildNumber"]
while True:
# Keep trying until we return something.
try:
_job.build = [b for b in _job.builds if build_id == b.number][0]
log.info("Build URL: %s" % _job.url)
return _job
except IndexError:
time.sleep(1)
def stop(self):
""" Read the pidfile for the process ID of the daemon and kill it """
try:
log.info("Stopping roundabout...")
with open(self.pidfile, 'r') as fd:
pid = fd.read()
try:
os.kill(int(pid), signal.SIGTERM)
log.info("Done...")
except ValueError:
log.info("Couldn't stop roundabout...")
return None
except (IOError, OSError):
log.info("Couldn't stop roundabout...")
return None
def update_config(config_file):
""" Update the configuration from yaml to json """
if not config_file:
raise RuntimeError("You didn't specify a configuration file")
try:
bak_file = config_file + '-bak'
log.info("moving %s to %s" % (config_file, bak_file))
os.rename(config_file, bak_file)
with open(bak_file) as bak:
log.info("Opening %s" % bak_file)
with open(config_file, "w") as out:
log.info("Writing %s" % config_file)
json.dump(yaml.load(bak), out, indent=4)
except yaml.YAMLError:
log.info("Couldn't read a yaml file, so nothing needed to be done")
finally:
sys.exit(0)
def do_post_merge_tasks(config, github):
try:
pull_requests = github.pull_requests
pull_requests = [(u, p) for u, p
in pull_requests.items()
if p.looks_good_to_a_human(github.approvers)]
except RuntimeError, e:
log.error("Unexpected response from github:\n %s" % str(e))
pull_requests = []
if not pull_requests:
log.info("No work to do, sleeping.")
sleeptime = int(config["default"].get("poll_sleep", 30))
time.sleep(sleeptime)
return
for url, pull_request in pull_requests:
log.info("processing %s" % url)
repo = git_client.Git(remote_name=pull_request.remote_name,
remote_url=pull_request.remote_url,
remote_branch=pull_request.remote_branch,
config=config)
# Create a remote, fetch it, checkout the branch
with repo as git:
log.info("Cloning to %s" % repo.clonepath)
def push(self, branch, remote='origin', remote_branch=None):
""" Push the branch up to the remote """
if remote_branch:
branch = "%s:%s" % (branch, remote_branch)
log.info("pushing %s to %s" % (branch, remote))
return self.repo.remote(remote).push(branch)
def run(config):
"""
Run roundabout forever or until you kill it.
"""
while True:
github = roundabout.github.client.Client(config)
try:
pull_requests = github.pull_requests
pull_requests = [(u, p) for u, p
in pull_requests.items()
if p.lgtm(github.approvers)]
except RuntimeError, e:
log.error("Unexpected response from github:\n %s" % str(e))
pull_requests = []
if not pull_requests:
log.info("No work to do, sleeping.")
sleeptime = int(config["default"].get("poll_sleep", 30))
time.sleep(sleeptime)
continue
for url, pull_request in pull_requests:
log.info("processing %s" % url)
repo = git_client.Git(remote_name=pull_request.remote_name,
remote_url=pull_request.remote_url,
remote_branch=pull_request.remote_branch,
config=config)
# Create a remote, fetch it, checkout the branch
with repo as git:
log.info("Cloning to %s" % repo.clonepath)
# Ensure we're on the requested branch for the pull_request.
base_branch = pull_request.base_branch
git.branch(base_branch).checkout()
try:
git.merge(git.remote_branch,
squash=config["git"].get("squash_merges"))
except git_client.GitException, e:
pull_request.close(git_client.MERGE_FAIL_MSG % e)
continue
if config["pylint"]:
py_res = pylint.Pylint(config["pylint"]["modules"],
config=config, path=repo.clonepath)
if not py_res:
pull_request.close(
pylint.PYLINT_FAIL_MSG % (py_res.previous_score,
py_res.current_score))
continue
# push up a test branch
git.push(base_branch, remote_branch=git.local_branch_name)
with ci.job.Job.spawn(git.local_branch_name, config) as job:
while not job.complete:
job.reload()
if job:
# Successful build, good coverage, and clean pylint.
git.push(base_branch)
pull_request.close(git_client.BUILD_SUCCESS_MSG)
else:
pull_request.close(git_client.BUILD_FAIL_MSG % job.url)
