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zulip/tools/lib/provision.py

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Python
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#!/usr/bin/env python3
import os
import sys
import logging
import argparse
import platform
import subprocess
import glob
import hashlib
os.environ["PYTHONUNBUFFERED"] = "y"
ZULIP_PATH = os.path.dirname(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, \
get_dev_uuid_var_path, FAIL, parse_lsb_release, file_or_package_hash_updated
from scripts.lib.setup_venv import (
setup_virtualenv, VENV_DEPENDENCIES, THUMBOR_VENV_DEPENDENCIES
)
from scripts.lib.node_cache import setup_node_modules, NODE_MODULES_CACHE_PATH
from version import PROVISION_VERSION
if False:
from typing import Any
SUPPORTED_PLATFORMS = {
"Ubuntu": [
"trusty",
"xenial",
"bionic",
],
"Debian": [
"stretch",
],
}
VENV_PATH = "/srv/zulip-py3-venv"
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')
NODE_TEST_COVERAGE_DIR_PATH = os.path.join(VAR_DIR_PATH, 'node-coverage')
is_travis = 'TRAVIS' in os.environ
is_circleci = 'CIRCLECI' in os.environ
# TODO: De-duplicate this with emoji_dump.py
EMOJI_CACHE_PATH = "/srv/zulip-emoji-cache"
if is_travis:
# In Travis CI, we don't have root access
EMOJI_CACHE_PATH = "/home/travis/zulip-emoji-cache"
if not os.path.exists(os.path.join(ZULIP_PATH, ".git")):
print(FAIL + "Error: No Zulip git repository present!" + ENDC)
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)
# Check the RAM on the user's system, and throw an effort if <1.5GB.
# This avoids users getting segfaults running `pip install` that are
# generally more annoying to debug.
with open("/proc/meminfo") as meminfo:
ram_size = meminfo.readlines()[0].strip().split(" ")[-2]
ram_gb = float(ram_size) / 1024.0 / 1024.0
if ram_gb < 1.5:
print("You have insufficient RAM (%s GB) to run the Zulip development environment." % (
round(ram_gb, 2),))
print("We recommend at least 2 GB of RAM, and require at least 1.5 GB.")
sys.exit(1)
try:
UUID_VAR_PATH = get_dev_uuid_var_path(create_if_missing=True)
run(["mkdir", "-p", UUID_VAR_PATH])
if os.path.exists(os.path.join(VAR_DIR_PATH, 'zulip-test-symlink')):
os.remove(os.path.join(VAR_DIR_PATH, 'zulip-test-symlink'))
os.symlink(
os.path.join(ZULIP_PATH, 'README.md'),
os.path.join(VAR_DIR_PATH, 'zulip-test-symlink')
)
os.remove(os.path.join(VAR_DIR_PATH, 'zulip-test-symlink'))
except OSError:
print(FAIL + "Error: Unable to create symlinks."
"Make sure you have permission to create symbolic links." + ENDC)
print("See this page for more information:")
print(" https://zulip.readthedocs.io/en/latest/development/setup-vagrant.html#os-symlink-error")
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.
if not os.path.exists("/usr/bin/lsb_release"):
subprocess.check_call(["sudo", "apt-get", "install", "-y", "lsb-release"])
distro_info = parse_lsb_release()
vendor = distro_info['DISTRIB_ID']
codename = distro_info['DISTRIB_CODENAME']
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 = {
"stretch": "9.6",
"trusty": "9.3",
"xenial": "9.5",
"bionic": "10",
}
POSTGRES_VERSION = POSTGRES_VERSION_MAP[codename]
UBUNTU_COMMON_APT_DEPENDENCIES = [
"closure-compiler",
"memcached",
"rabbitmq-server",
"redis-server",
"hunspell-en-us",
"supervisor",
"git",
"libssl-dev",
"yui-compressor",
"wget",
"ca-certificates", # Explicit dependency in case e.g. wget is already installed
"puppet", # Used by lint
"gettext", # Used by makemessages i18n
"curl", # Used for fetching PhantomJS as wget occasionally fails on redirects
"netcat", # Used for flushing memcached
"moreutils", # Used for sponge command
"libfontconfig1", # Required by phantomjs
] + VENV_DEPENDENCIES + THUMBOR_VENV_DEPENDENCIES
APT_DEPENDENCIES = {
"stretch": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-9.6",
"postgresql-9.6-tsearch-extras",
"postgresql-9.6-pgroonga",
],
"trusty": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-9.3",
"postgresql-9.3-tsearch-extras",
"postgresql-9.3-pgroonga",
],
"xenial": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-9.5",
"postgresql-9.5-tsearch-extras",
"postgresql-9.5-pgroonga",
],
"bionic": UBUNTU_COMMON_APT_DEPENDENCIES + [
"postgresql-10",
"postgresql-10-pgroonga",
"postgresql-10-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)
user_id = os.getuid()
def setup_shell_profile(shell_profile):
# type: (str) -> None
shell_profile_path = os.path.expanduser(shell_profile)
def write_command(command):
# type: (str) -> None
if os.path.exists(shell_profile_path):
with open(shell_profile_path, 'r') as shell_profile_file:
lines = [line.strip() for line in shell_profile_file.readlines()]
if command not in lines:
with open(shell_profile_path, 'a+') as shell_profile_file:
shell_profile_file.writelines(command + '\n')
else:
with open(shell_profile_path, 'w') as shell_profile_file:
shell_profile_file.writelines(command + '\n')
source_activate_command = "source " + os.path.join(VENV_PATH, "bin", "activate")
write_command(source_activate_command)
write_command('cd /srv/zulip')
def install_apt_deps():
# type: () -> None
# setup-apt-repo does an `apt-get update`
run(["sudo", "./scripts/lib/setup-apt-repo"])
# By doing list -> set -> list conversion we remove duplicates.
deps_to_install = list(set(APT_DEPENDENCIES[codename]))
run(["sudo", "apt-get", "-y", "install", "--no-install-recommends"] + deps_to_install)
def main(options):
# type: (Any) -> int
# yarn and management commands expect to be run from the root of the
# project.
os.chdir(ZULIP_PATH)
# setup-apt-repo does an `apt-get update`
# hash the apt dependencies
sha_sum = hashlib.sha1()
for apt_depedency in APT_DEPENDENCIES[codename]:
sha_sum.update(apt_depedency.encode('utf8'))
# hash the content of setup-apt-repo
sha_sum.update(open('scripts/lib/setup-apt-repo', 'rb').read())
new_apt_dependencies_hash = sha_sum.hexdigest()
last_apt_dependencies_hash = None
apt_hash_file_path = os.path.join(UUID_VAR_PATH, "apt_dependencies_hash")
try:
with open(apt_hash_file_path, 'r') as hash_file:
last_apt_dependencies_hash = hash_file.read()
except IOError:
run(['touch', apt_hash_file_path])
if (new_apt_dependencies_hash != last_apt_dependencies_hash):
try:
install_apt_deps()
except subprocess.CalledProcessError:
# Might be a failure due to network connection issues. Retrying...
print(WARNING + "`apt-get -y install` failed while installing dependencies; retrying..." + ENDC)
# Since a common failure mode is for the caching in
# `setup-apt-repo` to optimize the fast code path to skip
# running `apt-get update` when the target apt repository
# is out of date, we run it explicitly here so that we
# recover automatically.
run(['sudo', 'apt-get', 'update'])
install_apt_deps()
with open(apt_hash_file_path, 'w') as hash_file:
hash_file.write(new_apt_dependencies_hash)
else:
print("No changes to apt dependencies, so skipping apt operations.")
# Here we install node.
run(["sudo", "-H", "scripts/lib/install-node"])
# This is a wrapper around `yarn`, which we run last since
# it can often fail due to network issues beyond our control.
try:
# Hack: We remove `node_modules` as root to work around an
# issue with the symlinks being improperly owned by root.
if os.path.islink("node_modules"):
run(["sudo", "rm", "-f", "node_modules"])
run(["sudo", "mkdir", "-p", NODE_MODULES_CACHE_PATH])
run(["sudo", "chown", "%s:%s" % (user_id, user_id), NODE_MODULES_CACHE_PATH])
setup_node_modules(prefer_offline=True)
except subprocess.CalledProcessError:
print(WARNING + "`yarn install` failed; retrying..." + ENDC)
setup_node_modules()
# 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()
setup_shell_profile('~/.bash_profile')
setup_shell_profile('~/.zprofile')
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/node-coverage`
run(["mkdir", "-p", NODE_TEST_COVERAGE_DIR_PATH])
# `build_emoji` script requires `emoji-datasource` package which we install
# via npm and hence it should be executed after we are done installing npm
# packages.
if not os.path.isdir(EMOJI_CACHE_PATH):
run(["sudo", "mkdir", EMOJI_CACHE_PATH])
run(["sudo", "chown", "%s:%s" % (user_id, user_id), EMOJI_CACHE_PATH])
run(["tools/setup/emoji/build_emoji"])
# copy over static files from the zulip_bots package
run(["tools/setup/generate_zulip_bots_static_files"])
webfont_paths = ["tools/generate-custom-icon-webfont", "static/icons/fonts/template.hbs"]
webfont_paths += glob.glob('static/assets/icons/*')
if file_or_package_hash_updated(webfont_paths, "webfont_files_hash", options.is_force):
run(["tools/generate-custom-icon-webfont"])
else:
print("No need to run `tools/generate-custom-icon-webfont`.")
build_pygments_data_paths = ["tools/setup/build_pygments_data", "tools/setup/lang.json"]
from pygments import __version__ as pygments_version
if file_or_package_hash_updated(build_pygments_data_paths, "build_pygments_data_hash", options.is_force,
[pygments_version]):
run(["tools/setup/build_pygments_data"])
else:
print("No need to run `tools/setup/build_pygments_data`.")
run(["scripts/setup/generate_secrets.py", "--development"])
run(["tools/update-authors-json", "--use-fixture"])
email_source_paths = ["tools/inline-email-css", "templates/zerver/emails/email.css"]
email_source_paths += glob.glob('templates/zerver/emails/*.source.html')
if file_or_package_hash_updated(email_source_paths, "last_email_source_files_hash", options.is_force):
run(["tools/inline-email-css"])
else:
print("No need to run `tools/inline-email-css`.")
if is_circleci or (is_travis and not options.is_production_travis):
run(["sudo", "service", "rabbitmq-server", "restart"])
run(["sudo", "service", "redis-server", "restart"])
run(["sudo", "service", "memcached", "restart"])
run(["sudo", "service", "postgresql", "restart"])
elif options.is_docker:
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 options.is_production_travis:
# The following block is skipped for the production Travis
# suite, because that suite doesn't make use of these elements
# of the development environment (it just uses the development
# environment to build a release tarball).
# Need to set up Django before using template_database_status
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "zproject.settings")
import django
django.setup()
from zerver.lib.test_fixtures import template_database_status, run_db_migrations
try:
from zerver.lib.queue import SimpleQueueClient
SimpleQueueClient()
rabbitmq_is_configured = True
except Exception:
rabbitmq_is_configured = False
if options.is_force or not rabbitmq_is_configured:
run(["scripts/setup/configure-rabbitmq"])
else:
print("RabbitMQ is already configured.")
migration_status_path = os.path.join(UUID_VAR_PATH, "migration_status_dev")
dev_template_db_status = template_database_status(
migration_status=migration_status_path,
settings="zproject.settings",
database_name="zulip",
)
if options.is_force or dev_template_db_status == 'needs_rebuild':
run(["tools/setup/postgres-init-dev-db"])
run(["tools/do-destroy-rebuild-database"])
elif dev_template_db_status == 'run_migrations':
run_db_migrations('dev')
elif dev_template_db_status == 'current':
print("No need to regenerate the dev DB.")
test_template_db_status = template_database_status()
if options.is_force or test_template_db_status == 'needs_rebuild':
run(["tools/setup/postgres-init-test-db"])
run(["tools/do-destroy-rebuild-test-database"])
elif test_template_db_status == 'run_migrations':
run_db_migrations('test')
elif test_template_db_status == 'current':
print("No need to regenerate the test DB.")
# Consider updating generated translations data: both `.mo`
# files and `language-options.json`.
paths = ['zerver/management/commands/compilemessages.py']
paths += glob.glob('static/locale/*/LC_MESSAGES/*.po')
paths += glob.glob('static/locale/*/translations.json')
if file_or_package_hash_updated(paths, "last_compilemessages_hash", options.is_force):
run(["./manage.py", "compilemessages"])
else:
print("No need to run `manage.py compilemessages`.")
run(["scripts/lib/clean-unused-caches"])
version_file = os.path.join(UUID_VAR_PATH, 'provision_version')
print('writing to %s\n' % (version_file,))
open(version_file, 'w').write(PROVISION_VERSION + '\n')
print()
print(OKBLUE + "Zulip development environment setup succeeded!" + ENDC)
return 0
if __name__ == "__main__":
description = ("Provision script to install Zulip")
parser = argparse.ArgumentParser(description=description)
parser.add_argument('--force', action='store_true', dest='is_force',
default=False,
help="Ignore all provisioning optimizations.")
parser.add_argument('--production-travis', action='store_true',
dest='is_production_travis',
default=False,
help="Provision for Travis with production settings.")
parser.add_argument('--docker', action='store_true',
dest='is_docker',
default=False,
help="Provision for Docker.")
options = parser.parse_args()
sys.exit(main(options))
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