HGKeeper

# vi:et:ts=4 sw=4 sts=4

# local-pipelines : run Bitbucket pipelines locally

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software Foundation,

# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

import fnmatch

import os

import subprocess

from pipelines.step import Step

class Pipeline(object):

def __init__(self, config, path, repo, env=None):

self.config = config

self.build_path = os.path.abspath(path)

self.repo = repo

self._env = env or {}

# add special variables

self._env["BITBUCKET_BRANCH"] = self.repo.branch

self._env["BITBUCKET_COMMIT"] = self.repo.node

self._env["BITBUCKET_REPO_OWNER"] = self.repo.owner

self._env["BITBUCKET_REPO_SLUG"] = self.repo.slug

@property

def steps(self):

ret = self.config["pipelines"]["default"]

if "branches" in self.config["pipelines"]:

branches = self.config["pipelines"]["branches"]

for pattern, steps in branches.items():

if fnmatch.fnmatch(self.repo.branch, pattern):

ret = steps

break

return [Step.from_dict(s["step"]) for s in ret]

@property

def public_env(self):

# dict of env vars that are not none

return {k: v for k, v in self._env.items() if v is not None}

@property

def private_env(self):

# dict of env vars that are none (grabbed from os.environ)

return {k: os.environ.get(k, "") for k, v in self._env.items()

if v is None}

def _determine_image(self, step):

return step.image or self.config.get("image")

def _get_command(self, step, script):

workdir = "/opt/atlassian/bitbucketci/agent/build"

labels = [

"com.atlassian.pipelines.agent=\"local\"",

]

# docker on windows needs to convert to a posix path

drive, spath = os.path.splitdrive(script)

if drive:

# strip off the colon, e.g. 'C:' -> 'C'

drive = drive[:-1]

# assemble the pieces together

script = '/' + drive + spath.replace('\\', '/')

volumes = [

"{filename}:{filename}:ro".format(filename=script),

"{path}:{workdir}:rw".format(

path=self.build_path,

workdir=workdir,

]

cmd = [

"docker",

"run",

"--rm=true",

"--entrypoint=/bin/bash",

"--memory=2048m",

"-it",

" ".join(["-v " + v for v in volumes]),

"-w {}".format(workdir),

" ".join(["--label " + l for l in labels]),

" ".join(["-e {}={}".format(k, v) for k, v in

self.public_env.items()]),

" ".join(["-e " + k for k in self.private_env.keys()]),

self._determine_image(step),

script,

]

return " ".join(cmd)

def run(self):

return_code = 0

subenv = os.environ.copy()

subenv.update(self.private_env)

for n, step in enumerate(self.steps):

script = step.script_file()

command = self._get_command(step, script)

try:

print('+ {}'.format(command))

proc = subprocess.Popen(command.split(),

env=subenv)

return_code = proc.wait()

if return_code != 0:

return return_code

except KeyboardInterrupt:

# let's not stacktrace on ctrl-c

proc.kill()

return_code = 1

break

finally:

try:

os.remove(script)

except OSError:

pass

return return_code

grim/local-pipelines