def _extract_last_nlines(path, nlines=25):
"""Attempt to extract the last nlines from a file
If the file is not found or there's an error parsing the file,
an empty string is returned.
"""
try:
n = nlines + 1
nfs_exists_check(path)
with open(path, 'r') as f:
s = f.readlines()
return "\n".join(s[-1: n])
except Exception as e:
log.exception("Unable to extract stderr from {p}. {e}".format(p=path, e=e))
return ""
def _get_last_lines_of_stderr(n, stderr_path):
"""Read in the last N-lines of the stderr from a task
This should be smarter to look for stacktraces and common errors.
"""
lines = []
try:
nfs_exists_check(stderr_path)
with open(stderr_path, 'r') as f:
lines = deque(f, n)
lines = [l.rstrip() for l in lines]
except Exception as e:
log.exception("Unable to extract stderr from {p} Error {e}".format(p=stderr_path, e=e.message))
return lines
def _extract_last_nlines(path, nlines=25):
"""Attempt to extract the last nlines from a file
If the file is not found or there's an error parsing the file,
an empty string is returned.
"""
try:
n = nlines + 1
nfs_exists_check(path)
with open(path, 'r') as f:
s = f.readlines()
return "".join(s[-n:])
except Exception as e:
log.warn("Unable to extract stderr from {p}. {e}".format(p=path, e=e))
return ""
def _get_last_lines_of_stderr(n, stderr_path):
"""Read in the last N-lines of the stderr from a task
This should be smarter to look for stacktraces and common errors.
"""
lines = []
try:
nfs_exists_check(stderr_path)
with open(stderr_path, 'r') as f:
lines = deque(f, n)
lines = [l.rstrip() for l in lines]
except Exception as e:
log.exception("Unable to extract stderr from {p} Error {e}".format(p=stderr_path, e=e.message))
return lines
def trigger_nfs_refresh(ff):
return nfs_exists_check(ff)