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zulip/tools/provision.py

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Python
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#!/usr/bin/env python
from __future__ import print_function
import os
import sys
import logging
import platform
import subprocess
os.environ["PYTHONUNBUFFERED"] = "y"
PY2 = sys.version_info[0] == 2
ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(ZULIP_PATH)
from scripts.lib.zulip_tools import run, subprocess_text_output, OKBLUE, ENDC, WARNING
from scripts.lib.setup_venv import setup_virtualenv, VENV_DEPENDENCIES
SUPPORTED_PLATFORMS = {
"Ubuntu": [
"trusty",
"xenial",
],
}
NPM_VERSION = '3.9.3'
PY2_VENV_PATH = "/srv/zulip-venv"
PY3_VENV_PATH = "/srv/zulip-py3-venv"
TRAVIS_NODE_PATH = os.path.join(os.environ['HOME'], 'node')
VAR_DIR_PATH = os.path.join(ZULIP_PATH, 'var')
LOG_DIR_PATH = os.path.join(VAR_DIR_PATH, 'log')
UPLOAD_DIR_PATH = os.path.join(VAR_DIR_PATH, 'uploads')
TEST_UPLOAD_DIR_PATH = os.path.join(VAR_DIR_PATH, 'test_uploads')
COVERAGE_DIR_PATH = os.path.join(VAR_DIR_PATH, 'coverage')
LINECOVERAGE_DIR_PATH = os.path.join(VAR_DIR_PATH, 'linecoverage-report')
if PY2:
VENV_PATH = PY2_VENV_PATH
else:
VENV_PATH = PY3_VENV_PATH
TRAVIS = "--travis" in sys.argv
PRODUCTION_TRAVIS = "--production-travis" in sys.argv
if not os.path.exists(os.path.join(ZULIP_PATH, ".git")):
print("Error: No Zulip git repository present!")
print("To setup the Zulip development environment, you should clone the code")
print("from GitHub, rather than using a Zulip production release tarball.")
sys.exit(1)
if platform.architecture()[0] == '64bit':
arch = 'amd64'
elif platform.architecture()[0] == '32bit':
arch = "i386"
else:
logging.critical("Only x86 is supported; ping zulip-devel@googlegroups.com if you want another architecture.")
sys.exit(1)
# Ideally we wouldn't need to install a dependency here, before we
# know the codename.
subprocess.check_call(["sudo", "apt-get", "install", "-y", "lsb-release"])
vendor = subprocess_text_output(["lsb_release", "-is"])
codename = subprocess_text_output(["lsb_release", "-cs"])
if not (vendor in SUPPORTED_PLATFORMS and codename in SUPPORTED_PLATFORMS[vendor]):
logging.critical("Unsupported platform: {} {}".format(vendor, codename))
sys.exit(1)
POSTGRES_VERSION_MAP = {
"trusty": "9.3",
"xenial": "9.5",
}
POSTGRES_VERSION = POSTGRES_VERSION_MAP[codename]
UBUNTU_COMMON_APT_DEPENDENCIES = [
"closure-compiler",
"memcached",
"rabbitmq-server",
"redis-server",
"hunspell-en-us",
"nodejs",
"nodejs-legacy",
"supervisor",
"git",
"npm",
"yui-compressor",
"wget",
"ca-certificates", # Explicit dependency in case e.g. wget is already installed
"puppet", # Used by lint-all
"gettext", # Used by makemessages i18n
"curl", # Used for fetching PhantomJS as wget occasionally fails on redirects
"netcat", # Used for flushing memcached
] + VENV_DEPENDENCIES
APT_DEPENDENCIES = {
"trusty": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-9.3",
"postgresql-9.3-tsearch-extras",
],
"xenial": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-9.5",
"postgresql-9.5-tsearch-extras",
],
}
TSEARCH_STOPWORDS_PATH = "/usr/share/postgresql/%s/tsearch_data/" % (POSTGRES_VERSION,)
REPO_STOPWORDS_PATH = os.path.join(
ZULIP_PATH,
"puppet",
"zulip",
"files",
"postgresql",
"zulip_english.stop",
)
LOUD = dict(_out=sys.stdout, _err=sys.stderr)
def setup_node_modules():
# type: () -> None
output = subprocess_text_output(['sha1sum', 'package.json'])
sha1sum = output.split()[0]
success_stamp = os.path.join('node_modules', '.npm-success-stamp', sha1sum)
if not os.path.exists(success_stamp):
print("Deleting cached version")
run(["rm", "-rf", "node_modules"])
print("Installing node modules")
run(["npm", "install"])
run(["mkdir", "-p", success_stamp])
else:
print("Using cached version of node_modules")
def install_npm():
# type: () -> None
if not TRAVIS:
if subprocess_text_output(['npm', '--version']) != NPM_VERSION:
run(["sudo", "npm", "install", "-g", "npm@{}".format(NPM_VERSION)])
return
run(['mkdir', '-p', TRAVIS_NODE_PATH])
npm_exe = os.path.join(TRAVIS_NODE_PATH, 'bin', 'npm')
travis_npm = subprocess_text_output(['which', 'npm'])
if os.path.exists(npm_exe):
run(['sudo', 'ln', '-sf', npm_exe, travis_npm])
version = subprocess_text_output(['npm', '--version'])
if os.path.exists(npm_exe) and version == NPM_VERSION:
print("Using cached npm")
return
run(["npm", "install", "-g", "--prefix", TRAVIS_NODE_PATH, "npm@{}".format(NPM_VERSION)])
run(['sudo', 'ln', '-sf', npm_exe, travis_npm])
def main():
# type: () -> int
# npm install and management commands expect to be run from the root of the
# project.
os.chdir(ZULIP_PATH)
run(["sudo", "./scripts/lib/setup-apt-repo"])
run(["sudo", "apt-get", "update"])
run(["sudo", "apt-get", "-y", "install", "--no-install-recommends"] + APT_DEPENDENCIES[codename])
if TRAVIS:
if PY2:
MYPY_REQS_FILE = os.path.join(ZULIP_PATH, "requirements", "mypy.txt")
setup_virtualenv(PY3_VENV_PATH, MYPY_REQS_FILE, patch_activate_script=True,
virtualenv_args=['-p', 'python3'])
DEV_REQS_FILE = os.path.join(ZULIP_PATH, "requirements", "py2_dev.txt")
setup_virtualenv(PY2_VENV_PATH, DEV_REQS_FILE, patch_activate_script=True)
else:
TWISTED_REQS_FILE = os.path.join(ZULIP_PATH, "requirements", "twisted.txt")
setup_virtualenv("/srv/zulip-py2-twisted-venv", TWISTED_REQS_FILE,
patch_activate_script=True)
DEV_REQS_FILE = os.path.join(ZULIP_PATH, "requirements", "py3_dev.txt")
setup_virtualenv(VENV_PATH, DEV_REQS_FILE, patch_activate_script=True,
virtualenv_args=['-p', 'python3'])
else:
# Import tools/setup_venv.py instead of running it so that we get an
# activated virtualenv for the rest of the provisioning process.
from tools.setup import setup_venvs
setup_venvs.main()
# Put Python2 virtualenv activation in our .bash_profile.
with open(os.path.expanduser('~/.bash_profile'), 'w+') as bash_profile:
bash_profile.writelines([
"source .bashrc\n",
"source %s\n" % (os.path.join(VENV_PATH, "bin", "activate"),),
])
run(["sudo", "cp", REPO_STOPWORDS_PATH, TSEARCH_STOPWORDS_PATH])
# create log directory `zulip/var/log`
run(["mkdir", "-p", LOG_DIR_PATH])
# create upload directory `var/uploads`
run(["mkdir", "-p", UPLOAD_DIR_PATH])
# create test upload directory `var/test_upload`
run(["mkdir", "-p", TEST_UPLOAD_DIR_PATH])
# create coverage directory`var/coverage`
run(["mkdir", "-p", COVERAGE_DIR_PATH])
# create linecoverage directory`var/linecoverage-report`
run(["mkdir", "-p", LINECOVERAGE_DIR_PATH])
if TRAVIS:
run(["tools/setup/install-phantomjs", "--travis"])
else:
run(["tools/setup/install-phantomjs"])
run(["tools/setup/download-zxcvbn"])
run(["tools/setup/emoji_dump/build_emoji"])
run(["scripts/setup/generate_secrets.py", "-d"])
if TRAVIS and not PRODUCTION_TRAVIS:
run(["sudo", "service", "rabbitmq-server", "restart"])
run(["sudo", "service", "redis-server", "restart"])
run(["sudo", "service", "memcached", "restart"])
elif "--docker" in sys.argv:
run(["sudo", "service", "rabbitmq-server", "restart"])
run(["sudo", "pg_dropcluster", "--stop", POSTGRES_VERSION, "main"])
run(["sudo", "pg_createcluster", "-e", "utf8", "--start", POSTGRES_VERSION, "main"])
run(["sudo", "service", "redis-server", "restart"])
run(["sudo", "service", "memcached", "restart"])
if not PRODUCTION_TRAVIS:
# These won't be used anyway
run(["scripts/setup/configure-rabbitmq"])
run(["tools/setup/postgres-init-dev-db"])
run(["tools/do-destroy-rebuild-database"])
run(["tools/setup/postgres-init-test-db"])
run(["tools/do-destroy-rebuild-test-database"])
run(["python", "./manage.py", "compilemessages"])
# Install the pinned version of npm.
install_npm()
# Run npm install last because it can be flaky, and that way one
# only needs to rerun `npm install` to fix the installation.
try:
setup_node_modules()
except subprocess.CalledProcessError:
print(WARNING + "`npm install` failed; retrying..." + ENDC)
setup_node_modules()
print()
print(OKBLUE + "Zulip development environment setup succeeded!" + ENDC)
return 0
if __name__ == "__main__":
sys.exit(main())
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