def _CheckProcess():
if not IsProcessAlive(pid):
return
try:
(result_pid, _) = os.waitpid(pid, os.WNOHANG)
except OSError:
raise utils_retry.RetryAgain()
if result_pid > 0:
return
raise utils_retry.RetryAgain()
def fn():
out = stdout_of([
"gnt-job", "list", "--output=status", "--no-headers", "--filter",
'"%s(%s)" in summary' % (move_type, inst.name)
])
if 'success' not in out:
raise retry.RetryAgain()
def fn():
out = stdout_of([
"gnt-node", "list", "--output=name", "--no-headers", "--filter",
"drained"
])
if node.primary not in out:
raise retry.RetryAgain()
def fn():
out = stdout_of([
"gnt-job", "list", "--output=status", "--no-headers", "--filter",
'"REPAIR_COMMAND" in summary'
])
if 'success' not in out:
raise retry.RetryAgain()
def _CheckIfAlive(child):
"""Raises L{utils_retry.RetryAgain} if child is still alive.
@raises utils_retry.RetryAgain: If child is still alive
"""
if child.poll() is None:
raise utils_retry.RetryAgain()
def fn():
out = stdout_of([
"gnt-instance", "list", "--output=status", "--no-headers",
"--filter",
"name == \"%s\"" % inst.name
])
if "running" not in out:
raise retry.RetryAgain()
def fn():
tags = _GetMaintTags(node)
if len(tags) == 0:
raise retry.RetryAgain()
if len(tags) > 1:
raise qa_error.Error("Only one tag should be added")
else:
return tags[0]
def _Lock(fd, flag, timeout):
try:
fcntl.flock(fd, flag)
except IOError as err:
if timeout is not None and err.errno == errno.EAGAIN:
raise retry.RetryAgain()
logging.exception("fcntl.flock failed")
raise
def _TryStat(name):
try:
os.stat(name)
return True
except EnvironmentError, err:
if err.errno in (errno.ENOENT, errno.ENOTDIR):
return False
elif err.errno == errno.EINVAL:
raise utils_retry.RetryAgain(err)
raise
def RetryingUntilJobStatus(retry_status, job_id):
""" Used with C{retry.Retry}, waits for a given status.
@type retry_status: string
@param retry_status: The job status to wait for.
@type job_id: string
@param job_id: The job id, represented as a string.
"""
status = GetJobStatus(job_id)
if status != retry_status:
raise retry.RetryAgain()
def _RetryingFetchJobStatus(retry_status, job_id):
""" Used with C{retry.Retry}, waits for a status other than the one given.
@type retry_status: string
@param retry_status: The old job status, expected to change.
@type job_id: string
@param job_id: The job id, represented as a string.
@rtype: string or None
@return: The new job status, or None if none could be retrieved.
"""
status = _GetJobStatus(job_id)
if status == retry_status:
raise retry.RetryAgain()
return status
def _CheckSsconfInstanceList():
if instance_name not in _ReadSsconfInstanceList():
raise retry.RetryAgain()
