-BEGIN VERIFY SCRIPT- s() { contrib/devtools/copyright_header.py insert "$1"; } s build_msvc/bitcoin_config.h s build_msvc/msvc-autogen.py s build_msvc/testconsensus/testconsensus.cpp s contrib/devtools/circular-dependencies.py s contrib/devtools/gen-manpages.sh s contrib/filter-lcov.py s contrib/gitian-build.py s contrib/install_db4.sh s src/crypto/sha256_avx2.cpp s src/crypto/sha256_sse41.cpp s src/fs.cpp s src/qt/test/addressbooktests.cpp s src/qt/test/addressbooktests.h s src/qt/test/util.cpp s src/qt/test/util.h s src/qt/test/wallettests.cpp s src/qt/test/wallettests.h s src/test/blockchain_tests.cpp s test/functional/combine_logs.py s test/lint/lint-locale-dependence.sh sed -i '1G' test/lint/lint-shebang.sh s test/lint/lint-shebang.sh -END VERIFY SCRIPT-
201 lines
7.6 KiB
Python
Executable file
201 lines
7.6 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2017-2019 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Combine logs from multiple bitcoin nodes as well as the test_framework log.
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This streams the combined log output to stdout. Use combine_logs.py > outputfile
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to write to an outputfile.
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If no argument is provided, the most recent test directory will be used."""
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import argparse
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from collections import defaultdict, namedtuple
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import heapq
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import itertools
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import os
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import pathlib
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import re
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import sys
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import tempfile
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# N.B.: don't import any local modules here - this script must remain executable
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# without the parent module installed.
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# Should match same symbol in `test_framework.test_framework`.
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TMPDIR_PREFIX = "bitcoin_func_test_"
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# Matches on the date format at the start of the log event
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TIMESTAMP_PATTERN = re.compile(r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{6})?Z")
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LogEvent = namedtuple('LogEvent', ['timestamp', 'source', 'event'])
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def main():
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"""Main function. Parses args, reads the log files and renders them as text or html."""
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parser = argparse.ArgumentParser(
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description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
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parser.add_argument(
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'testdir', nargs='?', default='',
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help=('temporary test directory to combine logs from. '
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'Defaults to the most recent'))
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parser.add_argument('-c', '--color', dest='color', action='store_true', help='outputs the combined log with events colored by source (requires posix terminal colors. Use less -r for viewing)')
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parser.add_argument('--html', dest='html', action='store_true', help='outputs the combined log as html. Requires jinja2. pip install jinja2')
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args = parser.parse_args()
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if args.html and args.color:
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print("Only one out of --color or --html should be specified")
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sys.exit(1)
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testdir = args.testdir or find_latest_test_dir()
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if not testdir:
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print("No test directories found")
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sys.exit(1)
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if not args.testdir:
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print("Opening latest test directory: {}".format(testdir), file=sys.stderr)
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colors = defaultdict(lambda: '')
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if args.color:
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colors["test"] = "\033[0;36m" # CYAN
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colors["node0"] = "\033[0;34m" # BLUE
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colors["node1"] = "\033[0;32m" # GREEN
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colors["node2"] = "\033[0;31m" # RED
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colors["node3"] = "\033[0;33m" # YELLOW
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colors["reset"] = "\033[0m" # Reset font color
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log_events = read_logs(testdir)
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if args.html:
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print_logs_html(log_events)
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else:
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print_logs_plain(log_events, colors)
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print_node_warnings(testdir, colors)
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def read_logs(tmp_dir):
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"""Reads log files.
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Delegates to generator function get_log_events() to provide individual log events
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for each of the input log files."""
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# Find out what the folder is called that holds the debug.log file
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glob = pathlib.Path(tmp_dir).glob('node0/**/debug.log')
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path = next(glob, None)
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if path:
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assert next(glob, None) is None # more than one debug.log, should never happen
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chain = re.search(r'node0/(.+?)/debug\.log$', path.as_posix()).group(1) # extract the chain name
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else:
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chain = 'regtest' # fallback to regtest (should only happen when none exists)
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files = [("test", "%s/test_framework.log" % tmp_dir)]
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for i in itertools.count():
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logfile = "{}/node{}/{}/debug.log".format(tmp_dir, i, chain)
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if not os.path.isfile(logfile):
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break
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files.append(("node%d" % i, logfile))
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return heapq.merge(*[get_log_events(source, f) for source, f in files])
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def print_node_warnings(tmp_dir, colors):
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"""Print nodes' errors and warnings"""
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warnings = []
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for stream in ['stdout', 'stderr']:
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for i in itertools.count():
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folder = "{}/node{}/{}".format(tmp_dir, i, stream)
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if not os.path.isdir(folder):
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break
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for (_, _, fns) in os.walk(folder):
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for fn in fns:
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warning = pathlib.Path('{}/{}'.format(folder, fn)).read_text().strip()
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if warning:
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warnings.append(("node{} {}".format(i, stream), warning))
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print()
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for w in warnings:
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print("{} {} {} {}".format(colors[w[0].split()[0]], w[0], w[1], colors["reset"]))
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def find_latest_test_dir():
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"""Returns the latest tmpfile test directory prefix."""
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tmpdir = tempfile.gettempdir()
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def join_tmp(basename):
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return os.path.join(tmpdir, basename)
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def is_valid_test_tmpdir(basename):
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fullpath = join_tmp(basename)
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return (
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os.path.isdir(fullpath)
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and basename.startswith(TMPDIR_PREFIX)
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and os.access(fullpath, os.R_OK)
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)
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testdir_paths = [
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join_tmp(name) for name in os.listdir(tmpdir) if is_valid_test_tmpdir(name)
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]
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return max(testdir_paths, key=os.path.getmtime) if testdir_paths else None
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def get_log_events(source, logfile):
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"""Generator function that returns individual log events.
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Log events may be split over multiple lines. We use the timestamp
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regex match as the marker for a new log event."""
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try:
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with open(logfile, 'r', encoding='utf-8') as infile:
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event = ''
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timestamp = ''
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for line in infile:
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# skip blank lines
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if line == '\n':
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continue
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# if this line has a timestamp, it's the start of a new log event.
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time_match = TIMESTAMP_PATTERN.match(line)
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if time_match:
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if event:
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yield LogEvent(timestamp=timestamp, source=source, event=event.rstrip())
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timestamp = time_match.group()
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if time_match.group(1) is None:
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# timestamp does not have microseconds. Add zeroes.
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timestamp_micro = timestamp.replace("Z", ".000000Z")
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line = line.replace(timestamp, timestamp_micro)
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timestamp = timestamp_micro
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event = line
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# if it doesn't have a timestamp, it's a continuation line of the previous log.
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else:
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# Add the line. Prefix with space equivalent to the source + timestamp so log lines are aligned
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event += " " + line
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# Flush the final event
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yield LogEvent(timestamp=timestamp, source=source, event=event.rstrip())
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except FileNotFoundError:
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print("File %s could not be opened. Continuing without it." % logfile, file=sys.stderr)
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def print_logs_plain(log_events, colors):
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"""Renders the iterator of log events into text."""
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for event in log_events:
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lines = event.event.splitlines()
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print("{0} {1: <5} {2} {3}".format(colors[event.source.rstrip()], event.source, lines[0], colors["reset"]))
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if len(lines) > 1:
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for line in lines[1:]:
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print("{0}{1}{2}".format(colors[event.source.rstrip()], line, colors["reset"]))
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def print_logs_html(log_events):
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"""Renders the iterator of log events into html."""
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try:
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import jinja2
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except ImportError:
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print("jinja2 not found. Try `pip install jinja2`")
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sys.exit(1)
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print(jinja2.Environment(loader=jinja2.FileSystemLoader('./'))
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.get_template('combined_log_template.html')
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.render(title="Combined Logs from testcase", log_events=[event._asdict() for event in log_events]))
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if __name__ == '__main__':
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main()
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