def system_stop(self, force=False, ranks=None):
"""Stop the system.
Args:
force (bool, optional): whether to force the stop. Defaults to
False.
ranks (str, optional): comma separated ranks to stop. Defaults to
None.
Raises:
CommandFailure: if the dmg system stop command fails.
Returns:
dict: a dictionary of host ranks and their unique states.
"""
self._get_result(("system", "stop"), force=force, ranks=ranks)
# Populate a dictionary with host set keys for each unique state, ex:
# Rank Operation Result
# ---- --------- ------
# 0 stop want Stopped, got Ready
data = {}
match = re.findall(r"(?:\[*([0-9-,]+)\]*)\s+([A-Za-z]+)\s+(.*)",
self.result.stdout)
for info in match:
for rank in get_numeric_list(info[0]):
data[rank] = info[1].strip()
return data
def system_start(self, ranks=None):
"""Start the system.
Args:
ranks (str, optional): comma separated ranks to stop. Defaults to
None.
Raises:
CommandFailure: if the dmg system start command fails.
Returns:
dict: a dictionary of host ranks and their unique states.
"""
self._get_result(("system", "start"), ranks=ranks)
# Populate a dictionary with host set keys for each unique state
data = {}
match = re.findall(
r"(?:\[*([0-9-,]+)\]*)\s+([A-Za-z]+)\s+(.*)",
self.result.stdout_text)
for info in match:
for rank in get_numeric_list(info[0]):
data[rank] = info[1].strip()
return data
def pool_list(self):
"""List pools.
Raises:
CommandFailure: if the dmg pool pool list command fails.
Returns:
dict: a dictionary of pool UUID keys and svc replica values
"""
self._get_result(("pool", "list"))
# Populate a dictionary with svc replicas for each pool UUID key listed
# Sample dmg pool list output:
# Pool UUID Svc Replicas
# --------- ------------
# 43bf2fe8-cb92-46ec-b9e9-9b056725092a 0
# 98736dfe-cb92-12cd-de45-9b09875092cd 1
data = {}
match = re.findall(
r"(?:([0-9a-fA-F][0-9a-fA-F-]+)\W+([0-9][0-9,-]*))",
self.result.stdout_text)
for info in match:
data[info[0]] = get_numeric_list(info[1])
return data
def system_query(self, ranks=None, verbose=True):
"""Query system to obtain the status of the servers.
Args:
ranks (str): Specify specific ranks to obtain it's status. Use
comma separated list for multiple ranks. e.g., 0,1.
Defaults to None, which means report all available ranks.
verbose (bool): To obtain detailed query report
Raises:
CommandFailure: if the dmg system query command fails.
Returns:
dict: a dictionary of host ranks and their unique states.
"""
self._get_result(("system", "query"), ranks=ranks, verbose=verbose)
data = {}
if re.findall(r"Rank \d+", self.result.stdout):
# Process the unique single rank system query output, e.g.
# Rank 1
# ------
# address : 10.8.1.11:10001
# uuid : d7a69a41-59a2-4dec-a620-a52217851285
# status : Joined
# reason :
match = re.findall(
r"(?:Rank|address\s+:|uuid\s+:|status\s+:|reason\s+:)\s+(.*)",
self.result.stdout)
if match:
data[int(match[0])] = {
"address": match[1].strip(),
"uuid": match[2].strip(),
"state": match[3].strip(),
"reason": match[4].strip(),
}
elif verbose:
# Process the verbose multiple rank system query output, e.g.
# Rank UUID Control Address State
# ---- ---- --------------- -----
# 0 385af2f9-1863-406c-ae94-bffdcd02f379 10.8.1.10:10001 Joined
# 1 d7a69a41-59a2-4dec-a620-a52217851285 10.8.1.11:10001 Joined
# Rank UUID Control Address Fault Domain State Reason
# ---- ---- --------------- ------------ ----- ------
# 0 <uuid> <address> <domain> Joined system stop
# 1 <uuid> <address> <domain> Joined system stop
#
# Where the above placeholders have values similar to:
# <uuid> = 0c21d700-0e2b-46fb-be49-1fca490ce5b0
# <address> = 10.8.1.142:10001
# <domain> = /wolf-142.wolf.hpdd.intel.com
#
match = re.findall(
r"(\d+)\s+([0-9a-f-]+)\s+([0-9.:]+)\s+([/A-Za-z0-9-_.]+)"
r"\s+([A-Za-z]+)(.*)", self.result.stdout)
for info in match:
data[int(info[0])] = {
"uuid": info[1],
"address": info[2],
"domain": info[3],
"state": info[4],
"reason": info[5].strip(),
}
else:
# Process the non-verbose multiple rank system query output, e.g.
# Rank State
# ---- -----
# [0-1] Joined
match = re.findall(r"(?:\[*([0-9-,]+)\]*)\s+([A-Za-z]+)",
self.result.stdout)
for info in match:
for rank in get_numeric_list(info[0]):
data[rank] = {"state": info[1]}
self.log.info("system_query data: %s", str(data))
return data
