mirror of
https://github.com/zulip/zulip.git
synced 2025-10-31 12:03:46 +00:00
103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
import hashlib
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import json
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import os
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import shutil
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import subprocess
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import tempfile
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from urllib.request import urlopen
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import yaml
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from .zulip_tools import run
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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ZULIP_SRV_PATH = "/srv"
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PUPPET_MODULES_CACHE_PATH = os.path.join(ZULIP_SRV_PATH, "zulip-puppet-cache")
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PUPPET_DEPS_FILE_PATH = os.path.join(ZULIP_PATH, "puppet/deps.yaml")
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PUPPET_THIRDPARTY = os.path.join(PUPPET_MODULES_CACHE_PATH, "current")
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def generate_sha1sum_puppet_modules() -> str:
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data = {}
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with open(PUPPET_DEPS_FILE_PATH) as fb:
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data["deps.yaml"] = fb.read().strip()
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data["puppet-version"] = subprocess.check_output(
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# This is 10x faster than `puppet --version`
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["ruby", "-r", "puppet/version", "-e", "puts Puppet.version"],
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text=True,
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).strip()
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sha1sum = hashlib.sha1()
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sha1sum.update(json.dumps(data, sort_keys=True).encode())
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return sha1sum.hexdigest()
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def setup_puppet_modules() -> None:
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sha1sum = generate_sha1sum_puppet_modules()
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target_path = os.path.join(PUPPET_MODULES_CACHE_PATH, sha1sum)
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success_stamp = os.path.join(target_path, ".success-stamp")
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# Check if a cached version already exists
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if not os.path.exists(success_stamp):
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do_puppet_module_install(target_path, success_stamp)
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if os.path.islink(PUPPET_THIRDPARTY):
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os.remove(PUPPET_THIRDPARTY)
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elif os.path.isdir(PUPPET_THIRDPARTY):
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shutil.rmtree(PUPPET_THIRDPARTY)
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os.symlink(target_path, PUPPET_THIRDPARTY)
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def do_puppet_module_install(
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target_path: str,
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success_stamp: str,
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) -> None:
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os.makedirs(target_path, exist_ok=True)
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with open(PUPPET_DEPS_FILE_PATH) as yaml_file:
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deps = yaml.safe_load(yaml_file)
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for module, metadata in deps.items():
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install_puppet_module(target_path, module, metadata["version"], metadata["sha256sum"])
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with open(success_stamp, "w"):
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pass
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def install_puppet_module(
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target_path: str, module: str, version: str, expected_sha256sum: str
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) -> None:
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with urlopen(f"https://forgeapi.puppet.com/v3/releases/{module}-{version}") as forge_resp:
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forge_data = json.load(forge_resp)
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forge_sha256sum = forge_data["file_sha256"]
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if forge_sha256sum != expected_sha256sum:
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raise Exception(
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f"Forge API returned unexpected SHA256 sum for {module}-{version}: "
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f"expected {expected_sha256sum}, got {forge_sha256sum}"
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)
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with tempfile.NamedTemporaryFile(
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prefix=f"zulip-puppet-{module}-{version}-",
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suffix=".tar.gz",
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) as tarball:
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with urlopen("https://forgeapi.puppet.com" + forge_data["file_uri"]) as tarball_resp:
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tarball_content = tarball_resp.read()
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local_sha256sum = hashlib.sha256(tarball_content).hexdigest()
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if local_sha256sum != expected_sha256sum:
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raise Exception(
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f"Downloaded file had unexpected SHA256 sum for {module}-{version}: "
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f"expected {expected_sha256sum}, got {forge_sha256sum}"
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)
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tarball.write(tarball_content)
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tarball.flush()
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run(
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[
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"puppet",
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"module",
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"--modulepath",
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target_path,
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"install",
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tarball.name,
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"--ignore-dependencies",
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],
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)
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