Commit bdf2aa32 authored by Xavier Thompson's avatar Xavier Thompson

slap/standalone: Increase slapos error log size

The output of slapos commands has been observed to be truncated earlier
than desired in some cases due to long promise messages in output of
slapos node instance and long paths included in the logs.

See merge request !551
parent 9b3d044b
......@@ -942,13 +942,15 @@ class StandaloneSlapOS(object):
if process_info['exitstatus'] == 0:
return
if retry >= max_retry:
# get the last lines of output, at most `error_lines`. If
# these lines are long, the output may be truncated.
_, log_offset, _ = supervisor.tailProcessStdoutLog(command, 0, 0)
output, _, _ = supervisor.tailProcessStdoutLog(
command, log_offset - (2 << 13), 2 << 13)
# get the last lines of output, at most `error_lines`.
getTail = supervisor.tailProcessStdoutLog
output, size, overflow = getTail(command, 0, 2 << 15)
output_lines = output.splitlines()
if overflow:
if error_lines == 0 or len(output_lines) < error_lines:
output_lines = getTail(command, 0, size)[0].splitlines()
raise SlapOSNodeCommandError({
'output': '\n'.join(output.splitlines()[-error_lines:]),
'output': '\n'.join(output_lines[-error_lines:]),
'exitstatus': process_info['exitstatus'],
})
break
......
......@@ -656,3 +656,35 @@ class TestSlapOSStandaloneInstance(SlapOSStandaloneTestCase):
self.assertEqual(set([True]), set([p.is_running() for p in process_list]))
self.stopStandalone()
self.assertEqual(set([False]), set([p.is_running() for p in process_list]))
class TestSlapOSStandaloneLongSoftwareError(SlapOSStandaloneTestCase):
def test(self):
with tempfile.NamedTemporaryFile(suffix="-%s.cfg" % self.id()) as f:
very_long_string = "a" * (2 << 16)
software_url = f.name
f.write(
textwrap.dedent(
'''
[buildout]
parts = fail
newest = false
[fail]
recipe = plone.recipe.command==1.1
stop-on-error = true
command = echo %r && false
''' % very_long_string).encode())
f.flush()
self.standalone.supply(software_url)
# Not using assertRaises context manager for python2 compatibility
try:
self.standalone.waitForSoftware()
except SlapOSNodeSoftwareError as e:
self.assertIn(very_long_string, str(e))
except Exception as e:
self.fail("waitForSoftware raised unexpected exception %r" % e)
else:
self.fail("waitForSoftware should have raised")
\ No newline at end of file
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