subiquity/scripts/replay-curtin-log.py

48 lines
1.2 KiB
Python

#!/usr/bin/python3
import json
import os
import sys
import time
from systemd import journal
json_file = sys.argv[1]
event_identifier = sys.argv[2]
log_location = sys.argv[3]
scale_factor = float(os.environ.get('SUBIQUITY_REPLAY_TIMESCALE', "4"))
def time_for_entry(e):
return int(e['__MONOTONIC_TIMESTAMP'])/1e6
rc = 0
def report(e, log_file):
global rc
if e['SYSLOG_IDENTIFIER'].startswith("curtin_event"):
e['SYSLOG_IDENTIFIER'] = event_identifier
e['CODE_LINE'] = int(e['CODE_LINE'])
journal.send(**e)
r = e.get("CURTIN_RESULT")
if r == "SUCCESS":
rc = 0
elif r == "FAIL":
rc = 1
elif e['SYSLOG_IDENTIFIER'].startswith("curtin_log") and scale_factor < 10:
print(e['MESSAGE'], flush=True)
log_file.write(e['MESSAGE'] + '\n')
with open(log_location, 'w') as fp:
prev_ev = None
for line in open(json_file):
ev = json.loads(line.strip())
if prev_ev is not None:
report(prev_ev, fp)
delay = time_for_entry(ev) - time_for_entry(prev_ev)
time.sleep(min(delay, 8)/scale_factor)
prev_ev = ev
report(ev, fp)
sys.exit(rc)