mirror of
https://github.com/IEEE-SB-Passau/pelican-deployment-system.git
synced 2017-09-06 16:35:38 +02:00
187 lines
7.0 KiB
Python
187 lines
7.0 KiB
Python
from pathlib import Path
|
|
from collections import namedtuple
|
|
from pelican_deploy.gittool import Repo, log_git_result
|
|
from functools import partial
|
|
from subprocess import Popen, PIPE
|
|
from pelican_deploy.util import exception_logged
|
|
from concurrent.futures import ThreadPoolExecutor
|
|
from threading import RLock
|
|
import sys
|
|
import logging
|
|
import shlex
|
|
import os
|
|
import atexit
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
log_git = partial(log_git_result, out_logger=log.debug,
|
|
err_logger=log.debug, status_logger=log.debug)
|
|
|
|
BUILD_REPO_DIR = "{name}_build_repo"
|
|
OUTPUT_DIR = "{name}_output"
|
|
|
|
|
|
class DeploymentRunner:
|
|
|
|
def __init__(self, name, runner_config):
|
|
self.name = name
|
|
self.working_directory = Path(runner_config["working_directory"])
|
|
if not self.working_directory.exists():
|
|
log.info("creating working directory for %s: %s", name,
|
|
self.working_directory)
|
|
self.working_directory.mkdir(parents=True)
|
|
self.working_directory = self.working_directory.resolve()
|
|
|
|
self.clone_url = runner_config["clone_url"]
|
|
self.git_branch = runner_config["git_branch"]
|
|
self.build_repo_path = self.working_directory / BUILD_REPO_DIR.format(
|
|
name=name)
|
|
outdir = self.working_directory / OUTPUT_DIR.format(name=name)
|
|
self.build_command = runner_config["build_command"].format(
|
|
output=outdir)
|
|
self.final_install_command = runner_config["final_install_command"]\
|
|
.format(output=outdir)
|
|
|
|
self._build_proc_env = dict(os.environ,
|
|
**runner_config.get("build_env", {}))
|
|
|
|
self._executor = ThreadPoolExecutor(max_workers=1)
|
|
self._futures = set()
|
|
self._build_proc = None
|
|
self._abort = False
|
|
self._build_lock = RLock()
|
|
self._repo_update_lock = RLock()
|
|
|
|
def update_build_repository(self):
|
|
with self._repo_update_lock:
|
|
self._update_build_repository()
|
|
|
|
def _update_build_repository(self):
|
|
if not self.build_repo_path.exists():
|
|
self.build_repo_path.mkdir(parents=True)
|
|
|
|
repo = Repo(str(self.build_repo_path))
|
|
if not repo.is_repo():
|
|
if self.build_repo_path.is_dir() and \
|
|
next(self.build_repo_path.iterdir(), None) is not None:
|
|
log.error(
|
|
"non-empty %s exists but not a valid git repository!",
|
|
self.build_repo_path)
|
|
raise RuntimeException(("non-empty {} exists but not a"
|
|
"valid git repository!").format(self.build_repo_path))
|
|
else:
|
|
log.info("Build repository %s not there, cloning",
|
|
self.build_repo_path)
|
|
result = repo.clone("--branch", self.git_branch,
|
|
"--depth", "1", self.clone_url, ".")
|
|
log_git(result)
|
|
|
|
|
|
origin_url = repo.config_get("remote.origin.url")
|
|
if origin_url != self.clone_url:
|
|
log.info("%s build_repo: URL of git origin changed (`%s` --> `%s`),\
|
|
adjusting...", self.name, origin_url, self.clone_url)
|
|
repo.config("remote.origin.url", self.clone_url)
|
|
|
|
# deinit submodules to avoid removed ones dangling around later
|
|
# they should stay around in .git, so reinit should be fast
|
|
result = repo.submodule("deinit", "--force", ".")
|
|
log_git(result)
|
|
|
|
result = repo.checkout("--force", self.git_branch)
|
|
log_git(result)
|
|
|
|
result = repo.reset("--hard")
|
|
log_git(result)
|
|
|
|
log.info("%s build_repo: pulling changes from origin", self.name)
|
|
refspec = "+{b}:{b}".format(b=self.git_branch)
|
|
result = repo.pull("--force", "--no-edit", "--recurse-submodules",
|
|
"--depth", "1", "origin", refspec)
|
|
log_git(result)
|
|
|
|
try:
|
|
result = repo.clean("--force", "-d", "-x")
|
|
log_git(result)
|
|
except:
|
|
log.warning("git clean failed!", exc_info=True)
|
|
|
|
# update the submodules
|
|
log.info("%s build_repo: update submodules", self.name)
|
|
result = repo.submodule("update", "--init", "--force", "--recursive")
|
|
log_git(result)
|
|
|
|
def build(self, abort_running=False, wait=False):
|
|
with self._build_lock:
|
|
if abort_running:
|
|
self.try_abort_build()
|
|
|
|
# cancel everything, so we are next
|
|
for fut in self._futures.copy():
|
|
fut.cancel()
|
|
if fut.done():
|
|
self._futures.remove(fut)
|
|
|
|
build_func = exception_logged(self.build_blocking, log.error)
|
|
future = self._executor.submit(build_func)
|
|
self._futures.add(future)
|
|
if wait:
|
|
return future.result()
|
|
|
|
def try_abort_build(self):
|
|
proc = self._build_proc
|
|
self._abort = True
|
|
if proc:
|
|
proc.kill()
|
|
|
|
def final_install(self):
|
|
args = shlex.split(self.final_install_command)
|
|
log.info("%s: Starting final_install `%s`", self.name, args)
|
|
proc = Popen(args, stdout=PIPE, stderr=PIPE, universal_newlines=True)
|
|
atexit.register(proc.kill)
|
|
outs, errs = proc.communicate()
|
|
status = proc.wait()
|
|
atexit.unregister(proc.kill)
|
|
|
|
if status < 0:
|
|
log.info("%s: killed final_install_command (%s)", self.name, status)
|
|
else:
|
|
log.info("%s: finished final_install_command with status %s!",
|
|
self.name, status)
|
|
log.info('%s final_install_command stdout: %s\n', self.name, outs)
|
|
log.info('%s final_install_command stderr: %s\n', self.name, errs)
|
|
|
|
if status > 0:
|
|
log.error("%s: final_install failed! Website may be broken!",
|
|
self.name)
|
|
|
|
def build_blocking(self):
|
|
self._abort = False
|
|
|
|
# preparing build environment
|
|
self.update_build_repository()
|
|
# TODO: prepare_output()
|
|
|
|
# start the build if we should not abort
|
|
if not self._abort:
|
|
args = shlex.split(self.build_command)
|
|
log.info("%s: Starting build_command `%s`", self.name, args)
|
|
self._build_proc = Popen(args, stdout=PIPE, stderr=PIPE,
|
|
cwd=str(self.build_repo_path),
|
|
env=self._build_proc_env,
|
|
universal_newlines=True)
|
|
atexit.register(self._build_proc.kill)
|
|
outs, errs = self._build_proc.communicate()
|
|
status = self._build_proc.wait()
|
|
atexit.unregister(self._build_proc.kill)
|
|
|
|
if status < 0:
|
|
log.info("%s: killed build_command", self.name)
|
|
else:
|
|
log.info("%s: finished build_command with status %s!",
|
|
self.name, status)
|
|
log.info('%s build_command stdout: %s\n', self.name, outs)
|
|
log.info('%s build_command stderr: %s\n', self.name, errs)
|
|
if status == 0:
|
|
self.final_install()
|