PoC: Add script to listen for AMQP review requests

amqp-listen-gitea.py

@@ -0,0 +1,228 @@
+#!/usr/bin/env python3
+import pika
+import sys
+import os
+import argparse
+import json
+import subprocess
+import requests
+import re
+import logging
+
+USER_AGENT = 'amqp-listen-gitea.py (https://github.com/os-autoinst/scripts)'
+dry_run=False
+
+logging.basicConfig()
+log = logging.getLogger(sys.argv[0] if __name__ == "__main__" else __name__)
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--url", help="AMQP URL", default="amqps://opensuse:[email protected]")
+    parser.add_argument("--prefix", help="Event prefix to collect", default="opensuse.src.")
+    parser.add_argument("--event-type", help="Event type to collect", default="pull_request_review_request.review_requested")
+    parser.add_argument("--myself", help="Username of bot", default="qam-openqa")
+    parser.add_argument("--openqa-host", help="OpenQA instance url", default="http://localhost:9526")
+    parser.add_argument("--verbose", help="Verbosity", default="1", type=int, choices=[0, 1, 2, 3])
+    parser.add_argument("--simulate-review-requested-event", help="Behave as if a pull_request_review_request.review_requested was received")
+    args = parser.parse_args()
+    return args
+
+
+def listen(args):
+    connection = pika.BlockingConnection(pika.URLParameters(args.url))
+    channel = connection.channel()
+    channel.exchange_declare(exchange='pubsub', exchange_type='topic', passive=True, durable=True)
+    result = channel.queue_declare("", exclusive=True)
+    queue_name = result.method.queue
+    channel.queue_bind(exchange='pubsub', queue=queue_name,routing_key='#')
+
+    def cb(ch, method, properties, body):
+        callback(ch, method, properties, body, args)
+    channel.basic_consume(queue_name, cb, auto_ack=True)
+
+    print('[*] Waiting for logs. To exit press CTRL+C')
+    channel.start_consuming()
+
+
+def callback(ch, method, properties, body, args):
+    # opensuse.src.someuser.pull_request_review_request.review_requested
+    if not method.routing_key.startswith(args.prefix):
+        if args.verbose >= 3:
+            print("  [ ] %r" % (method.routing_key))
+        return
+    if args.event_type not in method.routing_key:
+        if args.verbose >= 2:
+            print("    [ ] %r" % (method.routing_key))
+        return
+    if args.verbose >= 2:
+        print("      [x] %r" % (method.routing_key))
+    data = json.loads(body)
+    handle_review_request(data, args)
+
+
+def simulate(args):
+    print('================= simulate')
+    # json_file = 'tests/data/gitea-amqp/minimal-payload-gitea-review-requested.json'
+    json_file = args.simulate_review_requested_event
+    with open(json_file, 'r') as f:
+        content = f.read()
+    data = json.loads(content)
+    handle_review_request(data, args)
+
+
+def handle_review_request(data, args):
+    print("============== handle_review_request")
+    myself = args.myself
+    requested_reviewer = data['requested_reviewer']['username']
+    if args.verbose >= 1:
+        print("      [x] Requested review from %r" % (requested_reviewer))
+    if requested_reviewer != myself:
+        return
+    pull_request = data['pull_request']
+    job_params = {
+        'id': pull_request['id'],
+        'label': pull_request['head']['label'],
+        'branch': pull_request['head']['ref'],
+        'sha': pull_request['head']['sha'],
+        'pr_html_url': pull_request['html_url'],
+        'clone_url': pull_request['head']['repo']['clone_url'],
+        'repo_name': pull_request['head']['repo']['name'],
+        'repo_api_url': data['repository']['url'],
+        'repo_html_url': data['repository']['html_url'],
+    }
+    params = create_openqa_job_params(job_params)
+    job_url = openqa_schedule(args, params)
+    print(job_url)
+    gitea_post_status(job_params, job_url)
+
+
+def gitea_post_status(job_params, job_url):
+    print("============== gitea_post_status")
+    sha = job_params['sha']
+    statuses_url = job_params['repo_api_url'] + '/statuses/' + job_params['sha'];
+    token = os.environ.get("GITEA_TOKEN")
+    headers = {'User-Agent': USER_AGENT, 'Accept': 'application/json', 'Authorization': 'token ' + token}
+    payload = {
+        'context': 'qam-openqa',
+        'description': "openQA check",
+        'state': "pending",
+        'target_url': job_url,
+    }
+    request_post(statuses_url, headers, payload)
+
+
+def request_post(url, headers, payload):
+    print("============== request_post")
+    print(payload)
+    try:
+        content = requests.post(url, headers=headers, data=payload)
+        content.raise_for_status()
+    except requests.exceptions.RequestException as e:
+        log.error("Error while fetching %s: %s" % (url, str(e)))
+        raise (e)
+
+
+def create_openqa_job_params(job_params):
+    print("============== create_openqa_job_params")
+    raw_url = job_params['repo_html_url'] + '/raw/branch/' + job_params['sha'];
+    base_url = 'https://openqa.opensuse.org'
+    statuses_url = job_params['repo_api_url'] + '/statuses/' + job_params['sha'];
+    params = {
+        'BUILD': job_params['repo_name'] + '#' + job_params['sha'],
+        'CASEDIR': job_params['clone_url'] + '#' + job_params['sha'],
+        '_GROUP_ID': '0',
+        'PRIO': '100',
+        'NEEDLES_DIR': '%%CASEDIR%%/needles',
+
+        # set the URL for the scenario definitions YAML file so the Minion job will download it from GitHub
+        'SCENARIO_DEFINITIONS_YAML_FILE': raw_url + '/' + 'scenario-definitions.yaml',
+
+        # add "target URL" for the "Details" button of the CI status
+        'CI_TARGET_URL': raw_url,
+
+        # set Gitea parameters so the Minion job will be able to report the status back to Gitea
+        'GITEA_REPO': job_params['repo_name'],
+        'GITEA_SHA': job_params['sha'],
+        'GITEA_STATUSES_URL': statuses_url,
+        'GITEA_PR_URL': job_params['pr_html_url'],
+        'webhook_id': 'gitea-soo:pr:' + job_params['id'],
+    }
+    return params
+
+
+def openqa_cli(host, subcommand, cmds, dry_run=False):
+    print("============== openqa_cli")
+    client_args = [
+        "openqa-cli",
+        subcommand,
+        "--host",
+        host,
+    ] + cmds
+    log.debug("openqa_cli: %s %s" % (subcommand, client_args))
+    res = subprocess.run(
+        (["echo", "Simulating: "] if dry_run else []) + client_args,
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    if len(res.stderr):
+        log.warning(f"openqa_cli() {subcommand} stderr: {res.stderr}")
+    res.check_returncode()
+    return res.stdout.decode("utf-8");
+
+
+def openqa_schedule(args, params):
+    print("============== openqa_schedule")
+    scenario_url = 'https://raw.githubusercontent.com/os-autoinst/os-autoinst-distri-openQA/refs/heads/master/scenario-definitions.yaml'
+    scenario_yaml = fetch_url(scenario_url, request_type="text")
+    yaml_file = "/tmp/distri-openqa-scenario.yaml"
+    with open(yaml_file, 'w') as f:
+        f.write(scenario_yaml.decode("utf-8"))
+    cmd_args = [
+        "--param-file",
+        "SCENARIO_DEFINITIONS_YAML=" + yaml_file,
+        "VERSION=Tumbleweed",
+        "DISTRI=openqa",
+        "FLAVOR=dev",
+        "ARCH=x86_64",
+        "[email protected]",
+    ]
+    for key in params:
+        cmd_args.append(key + '=' + params[key])
+    output = openqa_cli(args.openqa_host, 'schedule', cmd_args, dry_run)
+    pattern = re.compile(r".*?(?P<url>https?://\S+)", re.DOTALL)
+    search = pattern.match(output)
+    if search:
+        url = search.group("url")
+    else:
+        raise Exception('openqa-cli failed', 'Output did not contain a url. ' + output)
+    return url
+
+
+def fetch_url(url, request_type="text"):
+    print("============== fetch_url")
+    try:
+        content = requests.get(url, headers={'User-Agent': USER_AGENT})
+        content.raise_for_status()
+    except requests.exceptions.RequestException as e:
+        log.error("Error while fetching %s: %s" % (url, str(e)))
+        raise (e)
+    raw = content.content
+    if request_type == "json":
+        try:
+            content = content.json()
+        except json.decoder.JSONDecodeError as e:
+            log.error(
+                "Error while decoding JSON from %s -> >>%s<<: %s"
+                % (url, raw, str(e))
+            )
+            raise (e)
+    else:
+        content = raw
+    return content
+
+
+if __name__ == "__main__":
+    args = parse_args()
+    if args.simulate_review_requested_event:
+        simulate(args)
+    else:
+        listen(args)