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Merge pull request #1091 from flyingcircusio/PL-132945-fix-rabbitmq-u…
…ser-updates [21.05] fix rabbitmq user updates for sensu
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Original file line number | Diff line number | Diff line change |
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#!/usr/bin/env python3.8 | ||
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import asyncio | ||
import multiprocessing | ||
import sys | ||
import textwrap | ||
from pathlib import Path | ||
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class UserConfig: | ||
known_users: set | ||
user_db: list | ||
errors: list | ||
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protected_users = set(["fc-sensu", "fc-telegraf", "sensu-server"]) | ||
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def __init__(self, known_users_file): | ||
self.errors = [] | ||
self.known_users = set() | ||
for line in known_users_file.open(): | ||
line = line.strip() | ||
if not line: | ||
continue | ||
if "[" not in line: | ||
# ignore headers: | ||
# Listing users ... | ||
# user tags | ||
continue | ||
user = line.split("\t")[0] | ||
self.known_users.add(user) | ||
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self.user_db = [] | ||
self.users_to_delete = set(self.known_users) | ||
for line in Path("/var/lib/rabbitmq/sensu-clients").open(): | ||
line = line.strip() | ||
if not line: | ||
continue | ||
nodename, user, password = line.split(":") | ||
self.user_db.append((nodename, user, password)) | ||
if user in self.users_to_delete: | ||
self.users_to_delete.remove(user) | ||
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self.users_to_delete = self.users_to_delete - self.protected_users | ||
print(f"{len(self.users_to_delete)} users to delete") | ||
print(f"{len(self.user_db)} users to configure") | ||
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async def configure(self): | ||
self.max_jobs = asyncio.Semaphore( | ||
max([1, multiprocessing.cpu_count() - 1]) | ||
) | ||
jobs = [] | ||
for user in self.users_to_delete: | ||
jobs.append(self.delete_user(user)) | ||
for nodename, user, password in self.user_db: | ||
jobs.append(self.configure_user(nodename, user, password)) | ||
await asyncio.gather(*jobs, return_exceptions=True) | ||
return bool(self.errors) | ||
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async def delete_user(self, user): | ||
async with self.max_jobs: | ||
print(f"Deleting {user}") | ||
await self.run(f"rabbitmqctl delete_user {user}") | ||
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async def configure_user(self, nodename, user, password): | ||
async with self.max_jobs: | ||
if user not in self.known_users: | ||
print(f"Adding user {user} ...") | ||
await self.run(f"rabbitmqctl add_user {user} {password}") | ||
await self.run( | ||
f"rabbitmqctl set_permissions -p /sensu {user} " | ||
f"'((?!keepalives|results).)*' " | ||
f"'^(keepalives|results|{nodename}.*)$' " | ||
f"'((?!keepalives|results).)*'" | ||
) | ||
print(f"Updating user {user}") | ||
await self.run(f"rabbitmqctl change_password {user} {password}") | ||
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async def run(self, cmd): | ||
proc = await asyncio.create_subprocess_shell( | ||
cmd, | ||
stdout=asyncio.subprocess.PIPE, | ||
stderr=asyncio.subprocess.STDOUT, | ||
) | ||
stdout, _ = await proc.communicate() | ||
stdout = stdout.decode("utf-8", errors="replace") | ||
if proc.returncode: | ||
self.errors.append((cmd, proc.returncode, stdout)) | ||
print(f"`{cmd}` exited with error: {proc.returncode}") | ||
print(textwrap.indent(stdout, " > ", lambda line: True)) | ||
raise RuntimeError(stdout) | ||
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if __name__ == "__main__": | ||
config = UserConfig(Path(sys.argv[1])) | ||
sys.exit(asyncio.run(config.configure())) |
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