zulip/scripts/lib/run_hooks.py

70 lines
2.3 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import os
import subprocess
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), "..", ".."))
from scripts.lib.zulip_tools import (
DEPLOYMENTS_DIR,
assert_running_as_root,
get_deploy_root,
get_zulip_pwent,
parse_version_from,
su_to_zulip,
)
assert_running_as_root()
# Updates to the below choices to add a new hook type should
# adjust puppet's `app_frontend_base.pp` as well.
parser = argparse.ArgumentParser()
parser.add_argument("kind", choices=["pre-deploy", "post-deploy"], help="")
parser.add_argument("--from-git", action="store_true", help="Upgrading from git")
args = parser.parse_args()
from version import ZULIP_MERGE_BASE as NEW_ZULIP_MERGE_BASE
from version import ZULIP_VERSION as NEW_ZULIP_VERSION
deploy_path = get_deploy_root()
old_version = parse_version_from(DEPLOYMENTS_DIR + "/current")
old_merge_base = parse_version_from(DEPLOYMENTS_DIR + "/current", merge_base=True)
path = f"/etc/zulip/hooks/{args.kind}.d"
if not os.path.exists(path):
sys.exit(0)
# Pass in, via environment variables, the old/new "version
# string" (which is a `git describe` output)
env = os.environ.copy()
env["ZULIP_OLD_VERSION"] = old_version
env["ZULIP_NEW_VERSION"] = NEW_ZULIP_VERSION
# preexec_fn=su_to_zulip normally handles this, but our explicit
# env overrides that
env["HOME"] = get_zulip_pwent().pw_dir
def resolve_version_string(version: str) -> str:
return subprocess.check_output(
["git", "rev-parse", version], cwd=deploy_path, preexec_fn=su_to_zulip, text=True
).strip()
if NEW_ZULIP_MERGE_BASE:
# If we have a git repo, we also resolve those `git describe`
# values to full commit hashes, as well as provide the
# merge-base of the old/new commits with mainline.
env["ZULIP_OLD_COMMIT"] = resolve_version_string(old_version)
env["ZULIP_NEW_COMMIT"] = resolve_version_string(NEW_ZULIP_VERSION)
env["ZULIP_OLD_MERGE_BASE_COMMIT"] = resolve_version_string(old_merge_base)
env["ZULIP_NEW_MERGE_BASE_COMMIT"] = resolve_version_string(NEW_ZULIP_MERGE_BASE)
for script_name in sorted(f for f in os.listdir(path) if f.endswith(".hook")):
subprocess.check_call(
[os.path.join(path, script_name)],
cwd=deploy_path,
preexec_fn=su_to_zulip,
env=env,
)