579 lines
20 KiB
Python
Executable File
579 lines
20 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2020, 2021 Collabora Limited
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# Author: Gustavo Padovan <gustavo.padovan@collabora.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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"""Send a job to LAVA, track it and collect log back"""
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import argparse
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import contextlib
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import pathlib
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import re
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import sys
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import time
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import traceback
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import urllib.parse
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import xmlrpc.client
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from datetime import datetime, timedelta
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from os import getenv
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from typing import Any, Optional
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import lavacli
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import yaml
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from lava.exceptions import (
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MesaCIException,
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MesaCIParseException,
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MesaCIRetryError,
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MesaCITimeoutError,
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)
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from lavacli.utils import loader
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# Timeout in seconds to decide if the device from the dispatched LAVA job has
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# hung or not due to the lack of new log output.
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DEVICE_HANGING_TIMEOUT_SEC = int(getenv("LAVA_DEVICE_HANGING_TIMEOUT_SEC", 5*60))
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# How many seconds the script should wait before try a new polling iteration to
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# check if the dispatched LAVA job is running or waiting in the job queue.
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WAIT_FOR_DEVICE_POLLING_TIME_SEC = int(getenv("LAVA_WAIT_FOR_DEVICE_POLLING_TIME_SEC", 10))
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# How many seconds to wait between log output LAVA RPC calls.
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LOG_POLLING_TIME_SEC = int(getenv("LAVA_LOG_POLLING_TIME_SEC", 5))
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# How many retries should be made when a timeout happen.
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NUMBER_OF_RETRIES_TIMEOUT_DETECTION = int(getenv("LAVA_NUMBER_OF_RETRIES_TIMEOUT_DETECTION", 2))
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# How many attempts should be made when a timeout happen during LAVA device boot.
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NUMBER_OF_ATTEMPTS_LAVA_BOOT = int(getenv("LAVA_NUMBER_OF_ATTEMPTS_LAVA_BOOT", 3))
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# Helper constants to colorize the job output
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CONSOLE_LOG_COLOR_GREEN = "\x1b[1;32;5;197m"
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CONSOLE_LOG_COLOR_RED = "\x1b[1;38;5;197m"
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CONSOLE_LOG_COLOR_RESET = "\x1b[0m"
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def print_log(msg):
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# Reset color from timestamp, since `msg` can tint the terminal color
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print(f"{CONSOLE_LOG_COLOR_RESET}{datetime.now()}: {msg}")
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def fatal_err(msg):
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print_log(msg)
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sys.exit(1)
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def hide_sensitive_data(yaml_data, hide_tag="HIDEME"):
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return "".join(line for line in yaml_data.splitlines(True) if hide_tag not in line)
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def generate_lava_yaml(args):
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# General metadata and permissions, plus also inexplicably kernel arguments
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values = {
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'job_name': 'mesa: {}'.format(args.pipeline_info),
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'device_type': args.device_type,
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'visibility': { 'group': [ args.visibility_group ] },
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'priority': 75,
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'context': {
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'extra_nfsroot_args': ' init=/init rootwait usbcore.quirks=0bda:8153:k'
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},
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"timeouts": {
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"job": {"minutes": args.job_timeout},
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"action": {"minutes": 3},
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"actions": {
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"depthcharge-action": {
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"minutes": 3 * NUMBER_OF_ATTEMPTS_LAVA_BOOT,
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}
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}
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},
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}
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if args.lava_tags:
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values['tags'] = args.lava_tags.split(',')
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# URLs to our kernel rootfs to boot from, both generated by the base
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# container build
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deploy = {
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'timeout': { 'minutes': 10 },
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'to': 'tftp',
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'os': 'oe',
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'kernel': {
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'url': '{}/{}'.format(args.kernel_url_prefix, args.kernel_image_name),
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},
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'nfsrootfs': {
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'url': '{}/lava-rootfs.tgz'.format(args.rootfs_url_prefix),
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'compression': 'gz',
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}
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}
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if args.kernel_image_type:
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deploy['kernel']['type'] = args.kernel_image_type
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if args.dtb:
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deploy['dtb'] = {
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'url': '{}/{}.dtb'.format(args.kernel_url_prefix, args.dtb)
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}
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# always boot over NFS
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boot = {
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"failure_retry": NUMBER_OF_ATTEMPTS_LAVA_BOOT,
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"method": args.boot_method,
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"commands": "nfs",
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"prompts": ["lava-shell:"],
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}
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# skeleton test definition: only declaring each job as a single 'test'
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# since LAVA's test parsing is not useful to us
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run_steps = []
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test = {
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'timeout': { 'minutes': args.job_timeout },
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'failure_retry': 1,
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'definitions': [ {
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'name': 'mesa',
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'from': 'inline',
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'lava-signal': 'kmsg',
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'path': 'inline/mesa.yaml',
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'repository': {
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'metadata': {
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'name': 'mesa',
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'description': 'Mesa test plan',
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'os': [ 'oe' ],
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'scope': [ 'functional' ],
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'format': 'Lava-Test Test Definition 1.0',
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},
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'run': {
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"steps": run_steps
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},
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},
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} ],
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}
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# job execution script:
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# - inline .gitlab-ci/common/init-stage1.sh
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# - fetch and unpack per-pipeline build artifacts from build job
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# - fetch and unpack per-job environment from lava-submit.sh
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# - exec .gitlab-ci/common/init-stage2.sh
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with open(args.first_stage_init, 'r') as init_sh:
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run_steps += [ x.rstrip() for x in init_sh if not x.startswith('#') and x.rstrip() ]
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if args.jwt_file:
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with open(args.jwt_file) as jwt_file:
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run_steps += [
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"set +x",
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f'echo -n "{jwt_file.read()}" > "{args.jwt_file}" # HIDEME',
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"set -x",
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f'echo "export CI_JOB_JWT_FILE={args.jwt_file}" >> /set-job-env-vars.sh',
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]
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else:
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run_steps += [
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"echo Could not find jwt file, disabling MINIO requests...",
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"unset MINIO_RESULTS_UPLOAD",
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]
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run_steps += [
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'mkdir -p {}'.format(args.ci_project_dir),
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'wget -S --progress=dot:giga -O- {} | tar -xz -C {}'.format(args.build_url, args.ci_project_dir),
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'wget -S --progress=dot:giga -O- {} | tar -xz -C /'.format(args.job_rootfs_overlay_url),
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# Putting CI_JOB name as the testcase name, it may help LAVA farm
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# maintainers with monitoring
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f"lava-test-case 'mesa-ci_{args.mesa_job_name}' --shell /init-stage2.sh",
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]
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values['actions'] = [
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{ 'deploy': deploy },
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{ 'boot': boot },
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{ 'test': test },
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]
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return yaml.dump(values, width=10000000)
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def setup_lava_proxy():
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config = lavacli.load_config("default")
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uri, usr, tok = (config.get(key) for key in ("uri", "username", "token"))
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uri_obj = urllib.parse.urlparse(uri)
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uri_str = "{}://{}:{}@{}{}".format(uri_obj.scheme, usr, tok, uri_obj.netloc, uri_obj.path)
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transport = lavacli.RequestsTransport(
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uri_obj.scheme,
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config.get("proxy"),
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config.get("timeout", 120.0),
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config.get("verify_ssl_cert", True),
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)
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proxy = xmlrpc.client.ServerProxy(
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uri_str, allow_none=True, transport=transport)
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print_log("Proxy for {} created.".format(config['uri']))
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return proxy
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def _call_proxy(fn, *args):
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retries = 60
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for n in range(1, retries + 1):
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try:
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return fn(*args)
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except xmlrpc.client.ProtocolError as err:
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if n == retries:
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traceback.print_exc()
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fatal_err("A protocol error occurred (Err {} {})".format(err.errcode, err.errmsg))
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else:
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time.sleep(15)
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except xmlrpc.client.Fault as err:
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traceback.print_exc()
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fatal_err("FATAL: Fault: {} (code: {})".format(err.faultString, err.faultCode))
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class LAVAJob:
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color_status_map = {"pass": CONSOLE_LOG_COLOR_GREEN}
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def __init__(self, proxy, definition):
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self.job_id = None
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self.proxy = proxy
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self.definition = definition
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self.last_log_line = 0
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self.last_log_time = None
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self.is_finished = False
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self.status = "created"
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def heartbeat(self):
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self.last_log_time = datetime.now()
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self.status = "running"
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def validate(self) -> Optional[dict]:
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"""Returns a dict with errors, if the validation fails.
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Returns:
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Optional[dict]: a dict with the validation errors, if any
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"""
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return _call_proxy(self.proxy.scheduler.jobs.validate, self.definition, True)
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def submit(self):
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try:
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self.job_id = _call_proxy(self.proxy.scheduler.jobs.submit, self.definition)
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except MesaCIException:
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return False
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return True
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def cancel(self):
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if self.job_id:
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self.proxy.scheduler.jobs.cancel(self.job_id)
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def is_started(self) -> bool:
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waiting_states = ["Submitted", "Scheduling", "Scheduled"]
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job_state: dict[str, str] = _call_proxy(
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self.proxy.scheduler.job_state, self.job_id
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)
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return job_state["job_state"] not in waiting_states
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def _load_log_from_data(self, data) -> list[str]:
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lines = []
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# When there is no new log data, the YAML is empty
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if loaded_lines := yaml.load(str(data), Loader=loader(False)):
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lines = loaded_lines
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# If we had non-empty log data, we can assure that the device is alive.
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self.heartbeat()
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self.last_log_line += len(lines)
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return lines
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def get_logs(self) -> list[str]:
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try:
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(finished, data) = _call_proxy(
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self.proxy.scheduler.jobs.logs, self.job_id, self.last_log_line
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)
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self.is_finished = finished
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return self._load_log_from_data(data)
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except Exception as mesa_ci_err:
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raise MesaCIParseException(
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f"Could not get LAVA job logs. Reason: {mesa_ci_err}"
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) from mesa_ci_err
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def parse_job_result_from_log(self, lava_lines: list[dict[str, str]]) -> None:
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"""Use the console log to catch if the job has completed successfully or
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not.
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Returns true only the job finished by looking into the log result
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parsing.
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"""
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log_lines = [l["msg"] for l in lava_lines if l["lvl"] == "target"]
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for line in log_lines:
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if result := re.search(r"hwci: mesa: (\S*)", line):
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self.is_finished = True
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self.status = result.group(1)
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color = LAVAJob.color_status_map.get(self.status, CONSOLE_LOG_COLOR_RED)
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print_log(
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f"{color}"
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f"LAVA Job finished with result: {self.status}"
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f"{CONSOLE_LOG_COLOR_RESET}"
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)
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# We reached the log end here. hwci script has finished.
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break
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def find_exception_from_metadata(metadata, job_id):
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if "result" not in metadata or metadata["result"] != "fail":
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return
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if "error_type" in metadata:
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error_type = metadata["error_type"]
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if error_type == "Infrastructure":
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raise MesaCIException(
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f"LAVA job {job_id} failed with Infrastructure Error. Retry."
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)
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if error_type == "Job":
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# This happens when LAVA assumes that the job cannot terminate or
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# with mal-formed job definitions. As we are always validating the
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# jobs, only the former is probable to happen. E.g.: When some LAVA
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# action timed out more times than expected in job definition.
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raise MesaCIException(
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f"LAVA job {job_id} failed with JobError "
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"(possible LAVA timeout misconfiguration/bug). Retry."
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)
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if "case" in metadata and metadata["case"] == "validate":
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raise MesaCIException(
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f"LAVA job {job_id} failed validation (possible download error). Retry."
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)
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return metadata
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def find_lava_error(job) -> None:
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# Look for infrastructure errors and retry if we see them.
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results_yaml = _call_proxy(job.proxy.results.get_testjob_results_yaml, job.job_id)
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results = yaml.load(results_yaml, Loader=loader(False))
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for res in results:
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metadata = res["metadata"]
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find_exception_from_metadata(metadata, job.job_id)
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# If we reach this far, it means that the job ended without hwci script
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# result and no LAVA infrastructure problem was found
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job.status = "fail"
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def show_job_data(job):
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show = _call_proxy(job.proxy.scheduler.jobs.show, job.job_id)
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for field, value in show.items():
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print("{}\t: {}".format(field, value))
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def fix_lava_color_log(line):
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"""This function is a temporary solution for the color escape codes mangling
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problem. There is some problem in message passing between the LAVA
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dispatcher and the device under test (DUT). Here \x1b character is missing
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before `[:digit::digit:?m` ANSI TTY color codes. When this problem is fixed
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on the LAVA side, one should remove this function.
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"""
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line["msg"] = re.sub(r"(\[\d{1,2}m)", "\x1b" + r"\1", line["msg"])
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def fix_lava_gitlab_section_log(line):
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"""This function is a temporary solution for the Gitlab section markers
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mangling problem. Gitlab parses the following lines to define a collapsible
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gitlab section in their log:
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- \x1b[0Ksection_start:timestamp:section_id[collapsible=true/false]\r\x1b[0Ksection_header
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- \x1b[0Ksection_end:timestamp:section_id\r\x1b[0K
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There is some problem in message passing between the LAVA dispatcher and the
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device under test (DUT), that digests \x1b and \r control characters
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incorrectly. When this problem is fixed on the LAVA side, one should remove
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this function.
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"""
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if match := re.match(r"\[0K(section_\w+):(\d+):(\S+)\[0K([\S ]+)?", line["msg"]):
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marker, timestamp, id_collapsible, header = match.groups()
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# The above regex serves for both section start and end lines.
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# When the header is None, it means we are dealing with `section_end` line
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header = header or ""
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line["msg"] = f"\x1b[0K{marker}:{timestamp}:{id_collapsible}\r\x1b[0K{header}"
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def parse_lava_lines(new_lines) -> list[str]:
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parsed_lines: list[str] = []
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for line in new_lines:
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prefix = ""
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suffix = ""
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if line["lvl"] in ["results", "feedback"]:
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continue
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elif line["lvl"] in ["warning", "error"]:
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prefix = CONSOLE_LOG_COLOR_RED
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suffix = CONSOLE_LOG_COLOR_RESET
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elif line["lvl"] == "input":
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prefix = "$ "
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suffix = ""
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elif line["lvl"] == "target":
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fix_lava_color_log(line)
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fix_lava_gitlab_section_log(line)
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line = f'{prefix}{line["msg"]}{suffix}'
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parsed_lines.append(line)
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return parsed_lines
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def fetch_logs(job, max_idle_time) -> None:
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# Poll to check for new logs, assuming that a prolonged period of
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# silence means that the device has died and we should try it again
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if datetime.now() - job.last_log_time > max_idle_time:
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max_idle_time_min = max_idle_time.total_seconds() / 60
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print_log(
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f"No log output for {max_idle_time_min} minutes; "
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"assuming device has died, retrying"
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)
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raise MesaCITimeoutError(
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f"LAVA job {job.job_id} does not respond for {max_idle_time_min} "
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"minutes. Retry.",
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timeout_duration=max_idle_time,
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)
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time.sleep(LOG_POLLING_TIME_SEC)
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# The XMLRPC binary packet may be corrupted, causing a YAML scanner error.
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# Retry the log fetching several times before exposing the error.
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for _ in range(5):
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with contextlib.suppress(MesaCIParseException):
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new_log_lines = job.get_logs()
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break
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else:
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raise MesaCIParseException
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parsed_lines = parse_lava_lines(new_log_lines)
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for line in parsed_lines:
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print_log(line)
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job.parse_job_result_from_log(new_log_lines)
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def follow_job_execution(job):
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try:
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job.submit()
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except Exception as mesa_ci_err:
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raise MesaCIException(
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f"Could not submit LAVA job. Reason: {mesa_ci_err}"
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) from mesa_ci_err
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print_log(f"Waiting for job {job.job_id} to start.")
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while not job.is_started():
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time.sleep(WAIT_FOR_DEVICE_POLLING_TIME_SEC)
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print_log(f"Job {job.job_id} started.")
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max_idle_time = timedelta(seconds=DEVICE_HANGING_TIMEOUT_SEC)
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# Start to check job's health
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job.heartbeat()
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while not job.is_finished:
|
|
fetch_logs(job, max_idle_time)
|
|
|
|
show_job_data(job)
|
|
|
|
# Mesa Developers expect to have a simple pass/fail job result.
|
|
# If this does not happen, it probably means a LAVA infrastructure error
|
|
# happened.
|
|
if job.status not in ["pass", "fail"]:
|
|
find_lava_error(job)
|
|
|
|
|
|
def retriable_follow_job(proxy, job_definition) -> LAVAJob:
|
|
retry_count = NUMBER_OF_RETRIES_TIMEOUT_DETECTION
|
|
|
|
for attempt_no in range(1, retry_count + 2):
|
|
job = LAVAJob(proxy, job_definition)
|
|
try:
|
|
follow_job_execution(job)
|
|
return job
|
|
except MesaCIException as mesa_exception:
|
|
print_log(mesa_exception)
|
|
job.cancel()
|
|
except KeyboardInterrupt as e:
|
|
print_log("LAVA job submitter was interrupted. Cancelling the job.")
|
|
job.cancel()
|
|
raise e
|
|
finally:
|
|
print_log(f"Finished executing LAVA job in the attempt #{attempt_no}")
|
|
|
|
raise MesaCIRetryError(
|
|
"Job failed after it exceeded the number of " f"{retry_count} retries.",
|
|
retry_count=retry_count,
|
|
)
|
|
|
|
|
|
def treat_mesa_job_name(args):
|
|
# Remove mesa job names with spaces, which breaks the lava-test-case command
|
|
args.mesa_job_name = args.mesa_job_name.split(" ")[0]
|
|
|
|
|
|
def main(args):
|
|
proxy = setup_lava_proxy()
|
|
|
|
job_definition = generate_lava_yaml(args)
|
|
|
|
if args.dump_yaml:
|
|
print("LAVA job definition (YAML):")
|
|
print(hide_sensitive_data(job_definition))
|
|
job = LAVAJob(proxy, job_definition)
|
|
|
|
if errors := job.validate():
|
|
fatal_err(f"Error in LAVA job definition: {errors}")
|
|
print_log("LAVA job definition validated successfully")
|
|
|
|
if args.validate_only:
|
|
return
|
|
|
|
finished_job = retriable_follow_job(proxy, job_definition)
|
|
exit_code = 0 if finished_job.status == "pass" else 1
|
|
sys.exit(exit_code)
|
|
|
|
|
|
def create_parser():
|
|
parser = argparse.ArgumentParser("LAVA job submitter")
|
|
|
|
parser.add_argument("--pipeline-info")
|
|
parser.add_argument("--rootfs-url-prefix")
|
|
parser.add_argument("--kernel-url-prefix")
|
|
parser.add_argument("--build-url")
|
|
parser.add_argument("--job-rootfs-overlay-url")
|
|
parser.add_argument("--job-timeout", type=int)
|
|
parser.add_argument("--first-stage-init")
|
|
parser.add_argument("--ci-project-dir")
|
|
parser.add_argument("--device-type")
|
|
parser.add_argument("--dtb", nargs='?', default="")
|
|
parser.add_argument("--kernel-image-name")
|
|
parser.add_argument("--kernel-image-type", nargs='?', default="")
|
|
parser.add_argument("--boot-method")
|
|
parser.add_argument("--lava-tags", nargs='?', default="")
|
|
parser.add_argument("--jwt-file", type=pathlib.Path)
|
|
parser.add_argument("--validate-only", action='store_true')
|
|
parser.add_argument("--dump-yaml", action='store_true')
|
|
parser.add_argument("--visibility-group")
|
|
parser.add_argument("--mesa-job-name")
|
|
|
|
return parser
|
|
|
|
if __name__ == "__main__":
|
|
# given that we proxy from DUT -> LAVA dispatcher -> LAVA primary -> us ->
|
|
# GitLab runner -> GitLab primary -> user, safe to say we don't need any
|
|
# more buffering
|
|
sys.stdout.reconfigure(line_buffering=True)
|
|
sys.stderr.reconfigure(line_buffering=True)
|
|
|
|
parser = create_parser()
|
|
|
|
parser.set_defaults(func=main)
|
|
args = parser.parse_args()
|
|
treat_mesa_job_name(args)
|
|
args.func(args)
|