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filter systemd service status log entries

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This commit is contained in:
Daniel Langbein 2025-02-20 10:56:42 +01:00
parent 3c319faa24
commit 43297dce1e
Signed by: langfingaz
GPG Key ID: 6C47C753F0823002
1 changed files with 37 additions and 7 deletions
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44
main.py
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@ -11,7 +11,8 @@ def test() -> None:
parse_log(log)
log = example_systemd_log().splitlines()
log = [remove_systemd_prefix(line) for line in log]
log = [line for line in log if not systemd_status_message(line)]
log = [remove_systemd_log_prefix(line) for line in log]
parse_log(log)
@ -19,7 +20,8 @@ def main() -> None:
systemd = parse_args()
log = sys.stdin.read().splitlines()
if systemd:
log = [remove_systemd_prefix(line) for line in log]
log = [line for line in log if not systemd_status_message(line)]
log = [remove_systemd_log_prefix(line) for line in log]
parse_log(log)
@ -41,7 +43,7 @@ def parse_args() -> bool:
raise Exception(usage)
def remove_systemd_prefix(line: str) -> str:
def remove_systemd_log_prefix(line: str) -> str:
pattern_str = r'[A-Z][a-z]+ [0-9]+ [0-9][0-9]:[0-9][0-9]:[0-9][0-9] \S+ \S+\[[0-9]+\]: (.+)'
pattern = re.compile(pattern_str)
match = pattern.match(line)
@ -86,9 +88,37 @@ def example_log() -> str:
]
)
def systemd_status_message(line: str) -> bool:
pattern1 = r'snowflake-proxy\.service'
pattern2 = r'-- Boot \S+ --'
pattern_str = rf'.*({pattern1}|{pattern2}).*'
pattern = re.compile(pattern_str)
match = pattern.match(line)
return match is not None
def example_systemd_log() -> str:
return 'Feb 19 19:24:29 yodaNas proxy[1318]: 2025/02/19 18:24:29 In the last 1h0m0s, there were 3 completed connections. Traffic Relayed ↓ 46719 KB, ↑ 3229 KB.\n'
return \
"""Feb 19 22:24:29 yodaNas proxy[1318]: 2025/02/19 21:24:29 In the last 1h0m0s, there were 1 completed connections. Traffic Relayed ↓ 63951 KB, ↑ 2769 KB.
Feb 19 22:36:55 yodaNas systemd[1]: Stopping snowflake-proxy.service...
Feb 19 22:36:55 yodaNas systemd[1]: snowflake-proxy.service: Deactivated successfully.
Feb 19 22:36:55 yodaNas systemd[1]: Stopped snowflake-proxy.service.
Feb 19 22:36:55 yodaNas systemd[1]: snowflake-proxy.service: Consumed 9h 49.217s CPU time, 33.7M memory peak, 1.6M memory swap peak, 258.3M read from disk, 3.2M written to disk, 7.3G incoming IP traffic, 7.6G outgoing IP traffic.
Feb 19 22:36:55 yodaNas systemd[1]: Started snowflake-proxy.service.
Feb 19 22:36:55 yodaNas proxy[940302]: 2025/02/19 21:36:55 Proxy starting
Feb 19 22:37:15 yodaNas proxy[940302]: 2025/02/19 21:37:15 NAT type: restricted
Feb 19 22:58:30 yodaNas systemd[1]: Stopping snowflake-proxy.service...
Feb 19 22:58:30 yodaNas systemd[1]: snowflake-proxy.service: Deactivated successfully.
Feb 19 22:58:30 yodaNas systemd[1]: Stopped snowflake-proxy.service.
Feb 19 22:58:30 yodaNas systemd[1]: snowflake-proxy.service: Consumed 7.412s CPU time, 9.7M memory peak, 2.1M read from disk, 20.6M incoming IP traffic, 21.6M outgoing IP traffic.
-- Boot fd2a773892aa48c095489cc8410b36e4 --
Feb 19 23:04:30 yodaNas systemd[1]: Started snowflake-proxy.service.
Feb 19 23:04:30 yodaNas proxy[1322]: 2025/02/19 22:04:30 Proxy starting
Feb 19 23:04:51 yodaNas proxy[1322]: 2025/02/19 22:04:51 NAT type: restricted
Feb 20 00:04:30 yodaNas proxy[1322]: 2025/02/19 23:04:30 In the last 1h0m0s, there were 0 completed connections. Traffic Relayed ↓ 335 KB, ↑ 306 KB.
"""
class Throughput:
@ -117,9 +147,9 @@ class Throughput:
'Proxy starting' in line or \
'NAT type: ' in line:
return None
print(f'No match for this line: {line}', file=sys.stderr)
return None
else:
print(f'No match for this line: {line}', file=sys.stderr)
return None
dt = datetime.strptime(match.group(1), Throughput.DATE_FORMAT_STR)
connections = int(match.group(2))