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bitbake: server/process: Show last 60 lines of the log if the server didn't start

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We're seeing issues where the server doesn't start with no logs as to why. Allow
the server to print the last 60 log lines just in case this shows us something useful
about what is failing.

(Bitbake rev: c8c80b404e38fe96f65d6314cd95f4069319f3d6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2018-11-27 11:31:21 +00:00
parent a834889120
commit 1b04525d3f
1 changed files with 6 additions and 0 deletions
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6
bitbake/lib/bb/server/process.py
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@@ -412,22 +412,28 @@ class BitBakeServer(object):
logstart_re = re.compile(self.start_log_format % ('([0-9]+)', '([0-9-]+ [0-9:.]+)'))
started = False
lines = []
lastlines = []
with open(logfile, "r") as f:
for line in f:
if started:
lines.append(line)
else:
lastlines.append(line)
res = logstart_re.match(line.rstrip())
if res:
ldatetime = datetime.datetime.strptime(res.group(2), self.start_log_datetime_format)
if ldatetime >= startdatetime:
started = True
lines.append(line)
if len(lastlines) > 60:
lastlines = lastlines[-60:]
if lines:
if len(lines) > 10:
bb.error("Last 10 lines of server log for this session (%s):\n%s" % (logfile, "".join(lines[-10:])))
else:
bb.error("Server log for this session (%s):\n%s" % (logfile, "".join(lines)))
elif lastlines:
bb.error("Server didn't start, last 60 loglines (%s):\n%s" % (logfile, "".join(lastlines)))
else:
bb.error("%s doesn't exist" % logfile)