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"""
High level status display commands
"""
from collections import defaultdict
from prettytable import PrettyTable
from typing import Any, Dict, List, Optional, Tuple, Union
import errno
import fnmatch
import mgr_util
import json
from mgr_module import CLIReadCommand, MgrModule, HandleCommandResult
class Module(MgrModule):
def get_latest(self, daemon_type: str, daemon_name: str, stat: str) -> int:
data = self.get_counter(daemon_type, daemon_name, stat)[stat]
if data:
return data[-1][1]
else:
return 0
def get_rate(self, daemon_type: str, daemon_name: str, stat: str) -> int:
data = self.get_counter(daemon_type, daemon_name, stat)[stat]
if data and len(data) > 1 and (int(data[-1][0] - data[-2][0]) != 0):
return (data[-1][1] - data[-2][1]) // int(data[-1][0] - data[-2][0])
else:
return 0
@CLIReadCommand("fs status")
def handle_fs_status(self,
fs: Optional[str] = None,
format: str = 'plain') -> Tuple[int, str, str]:
"""
Show the status of a CephFS filesystem
"""
output = ""
json_output: Dict[str, List[Dict[str, Union[int, str, List[str]]]]] = \
dict(mdsmap=[],
pools=[],
clients=[],
mds_version=[])
output_format = format
fs_filter = fs
mds_versions = defaultdict(list)
fsmap = self.get("fs_map")
for filesystem in fsmap['filesystems']:
if fs_filter and filesystem['mdsmap']['fs_name'] != fs_filter:
continue
rank_table = PrettyTable(
("RANK", "STATE", "MDS", "ACTIVITY", "DNS", "INOS", "DIRS", "CAPS"),
border=False,
)
rank_table.left_padding_width = 0
rank_table.right_padding_width = 2
mdsmap = filesystem['mdsmap']
client_count = 0
for rank in mdsmap["in"]:
up = "mds_{0}".format(rank) in mdsmap["up"]
if up:
gid = mdsmap['up']["mds_{0}".format(rank)]
info = mdsmap['info']['gid_{0}'.format(gid)]
dns = self.get_latest("mds", info['name'], "mds_mem.dn")
inos = self.get_latest("mds", info['name'], "mds_mem.ino")
dirs = self.get_latest("mds", info['name'], "mds_mem.dir")
caps = self.get_latest("mds", info['name'], "mds_mem.cap")
if rank == 0:
client_count = self.get_latest("mds", info['name'],
"mds_sessions.session_count")
elif client_count == 0:
# In case rank 0 was down, look at another rank's
# sessionmap to get an indication of clients.
client_count = self.get_latest("mds", info['name'],
"mds_sessions.session_count")
laggy = "laggy_since" in info
state = info['state'].split(":")[1]
if laggy:
state += "(laggy)"
if state == "active" and not laggy:
c_state = mgr_util.colorize(state, mgr_util.GREEN)
else:
c_state = mgr_util.colorize(state, mgr_util.YELLOW)
# Populate based on context of state, e.g. client
# ops for an active daemon, replay progress, reconnect
# progress
activity = ""
if state == "active":
rate = self.get_rate("mds", info['name'],
"mds_server.handle_client_request")
if output_format not in ('json', 'json-pretty'):
activity = "Reqs: " + mgr_util.format_dimless(rate, 5) + "/s"
metadata = self.get_metadata('mds', info['name'],
default=defaultdict(lambda: 'unknown'))
assert metadata
mds_versions[metadata['ceph_version']].append(info['name'])
if output_format in ('json', 'json-pretty'):
json_output['mdsmap'].append({
'rank': rank,
'name': info['name'],
'state': state,
'rate': rate if state == "active" else "0",
'dns': dns,
'inos': inos,
'dirs': dirs,
'caps': caps
})
else:
rank_table.add_row([
mgr_util.bold(rank.__str__()), c_state, info['name'],
activity,
mgr_util.format_dimless(dns, 5),
mgr_util.format_dimless(inos, 5),
mgr_util.format_dimless(dirs, 5),
mgr_util.format_dimless(caps, 5)
])
else:
if output_format in ('json', 'json-pretty'):
json_output['mdsmap'].append({
'rank': rank,
'state': "failed"
})
else:
rank_table.add_row([
rank, "failed", "", "", "", "", "", ""
])
# Find the standby replays
for gid_str, daemon_info in mdsmap['info'].items():
if daemon_info['state'] != "up:standby-replay":
continue
inos = self.get_latest("mds", daemon_info['name'], "mds_mem.ino")
dns = self.get_latest("mds", daemon_info['name'], "mds_mem.dn")
dirs = self.get_latest("mds", daemon_info['name'], "mds_mem.dir")
caps = self.get_latest("mds", daemon_info['name'], "mds_mem.cap")
events = self.get_rate("mds", daemon_info['name'], "mds_log.replayed")
if output_format not in ('json', 'json-pretty'):
activity = "Evts: " + mgr_util.format_dimless(events, 5) + "/s"
metadata = self.get_metadata('mds', daemon_info['name'],
default=defaultdict(lambda: 'unknown'))
assert metadata
mds_versions[metadata['ceph_version']].append(daemon_info['name'])
if output_format in ('json', 'json-pretty'):
json_output['mdsmap'].append({
'rank': rank,
'name': daemon_info['name'],
'state': 'standby-replay',
'events': events,
'dns': 5,
'inos': 5,
'dirs': 5,
'caps': 5
})
else:
rank_table.add_row([
"{0}-s".format(daemon_info['rank']), "standby-replay",
daemon_info['name'], activity,
mgr_util.format_dimless(dns, 5),
mgr_util.format_dimless(inos, 5),
mgr_util.format_dimless(dirs, 5),
mgr_util.format_dimless(caps, 5)
])
df = self.get("df")
pool_stats = dict([(p['id'], p['stats']) for p in df['pools']])
osdmap = self.get("osd_map")
pools = dict([(p['pool'], p) for p in osdmap['pools']])
metadata_pool_id = mdsmap['metadata_pool']
data_pool_ids = mdsmap['data_pools']
pools_table = PrettyTable(["POOL", "TYPE", "USED", "AVAIL"],
border=False)
pools_table.left_padding_width = 0
pools_table.right_padding_width = 2
for pool_id in [metadata_pool_id] + data_pool_ids:
pool_type = "metadata" if pool_id == metadata_pool_id else "data"
stats = pool_stats[pool_id]
if output_format in ('json', 'json-pretty'):
json_output['pools'].append({
'id': pool_id,
'name': pools[pool_id]['pool_name'],
'type': pool_type,
'used': stats['bytes_used'],
'avail': stats['max_avail']
})
else:
pools_table.add_row([
pools[pool_id]['pool_name'], pool_type,
mgr_util.format_bytes(stats['bytes_used'], 5),
mgr_util.format_bytes(stats['max_avail'], 5)
])
if output_format in ('json', 'json-pretty'):
json_output['clients'].append({
'fs': mdsmap['fs_name'],
'clients': client_count,
})
else:
output += "{0} - {1} clients\n".format(
mdsmap['fs_name'], client_count)
output += "=" * len(mdsmap['fs_name']) + "\n"
output += rank_table.get_string()
output += "\n" + pools_table.get_string() + "\n"
if not output and not json_output and fs_filter is not None:
return errno.EINVAL, "", "Invalid filesystem: " + fs_filter
standby_table = PrettyTable(["STANDBY MDS"], border=False)
standby_table.left_padding_width = 0
standby_table.right_padding_width = 2
for standby in fsmap['standbys']:
metadata = self.get_metadata('mds', standby['name'],
default=defaultdict(lambda: 'unknown'))
assert metadata
mds_versions[metadata['ceph_version']].append(standby['name'])
if output_format in ('json', 'json-pretty'):
json_output['mdsmap'].append({
'name': standby['name'],
'state': "standby"
})
else:
standby_table.add_row([standby['name']])
if output_format not in ('json', 'json-pretty'):
output += "\n" + standby_table.get_string() + "\n"
if len(mds_versions) == 1:
if output_format in ('json', 'json-pretty'):
json_output['mds_version'] = [dict(version=k, daemon=v)
for k, v in mds_versions.items()]
else:
output += "MDS version: {0}".format([*mds_versions][0])
else:
version_table = PrettyTable(["VERSION", "DAEMONS"],
border=False)
version_table.left_padding_width = 0
version_table.right_padding_width = 2
for version, daemons in mds_versions.items():
if output_format in ('json', 'json-pretty'):
json_output['mds_version'].append({
'version': version,
'daemons': daemons
})
else:
version_table.add_row([
version,
", ".join(daemons)
])
if output_format not in ('json', 'json-pretty'):
output += version_table.get_string() + "\n"
if output_format == "json":
return HandleCommandResult(stdout=json.dumps(json_output, sort_keys=True))
elif output_format == "json-pretty":
return HandleCommandResult(stdout=json.dumps(json_output, sort_keys=True, indent=4,
separators=(',', ': ')))
else:
return HandleCommandResult(stdout=output)
@CLIReadCommand("osd status")
def handle_osd_status(self, bucket: Optional[str] = None, format: str = 'plain') -> Tuple[int, str, str]:
"""
Show the status of OSDs within a bucket, or all
"""
json_output: Dict[str, List[Any]] = \
dict(OSDs=[])
output_format = format
osd_table = PrettyTable(['ID', 'HOST', 'USED', 'AVAIL', 'WR OPS',
'WR DATA', 'RD OPS', 'RD DATA', 'STATE'],
border=False)
osd_table.align['ID'] = 'r'
osd_table.align['HOST'] = 'l'
osd_table.align['USED'] = 'r'
osd_table.align['AVAIL'] = 'r'
osd_table.align['WR OPS'] = 'r'
osd_table.align['WR DATA'] = 'r'
osd_table.align['RD OPS'] = 'r'
osd_table.align['RD DATA'] = 'r'
osd_table.align['STATE'] = 'l'
osd_table.left_padding_width = 0
osd_table.right_padding_width = 2
osdmap = self.get("osd_map")
filter_osds = set()
bucket_filter = None
if bucket is not None:
self.log.debug(f"Filtering to bucket '{bucket}'")
bucket_filter = bucket
crush = self.get("osd_map_crush")
found = False
for bucket_ in crush['buckets']:
if fnmatch.fnmatch(bucket_['name'], bucket_filter):
found = True
filter_osds.update([i['id'] for i in bucket_['items']])
if not found:
msg = "Bucket '{0}' not found".format(bucket_filter)
return errno.ENOENT, msg, ""
# Build dict of OSD ID to stats
osd_stats = dict([(o['osd'], o) for o in self.get("osd_stats")['osd_stats']])
for osd in osdmap['osds']:
osd_id = osd['osd']
if bucket_filter and osd_id not in filter_osds:
continue
hostname = ""
kb_used = 0
kb_avail = 0
if osd_id in osd_stats:
metadata = self.get_metadata('osd', str(osd_id), default=defaultdict(str))
stats = osd_stats[osd_id]
assert metadata
hostname = metadata['hostname']
kb_used = stats['kb_used'] * 1024
kb_avail = stats['kb_avail'] * 1024
wr_ops_rate = (self.get_rate("osd", osd_id.__str__(), "osd.op_w") +
self.get_rate("osd", osd_id.__str__(), "osd.op_rw"))
wr_byte_rate = self.get_rate("osd", osd_id.__str__(), "osd.op_in_bytes")
rd_ops_rate = self.get_rate("osd", osd_id.__str__(), "osd.op_r")
rd_byte_rate = self.get_rate("osd", osd_id.__str__(), "osd.op_out_bytes")
osd_table.add_row([osd_id, hostname,
mgr_util.format_bytes(kb_used, 5),
mgr_util.format_bytes(kb_avail, 5),
mgr_util.format_dimless(wr_ops_rate, 5),
mgr_util.format_bytes(wr_byte_rate, 5),
mgr_util.format_dimless(rd_ops_rate, 5),
mgr_util.format_bytes(rd_byte_rate, 5),
','.join(osd['state']),
])
if output_format in ('json', 'json-pretty'):
json_output['OSDs'].append({
'id': osd_id,
'host name': hostname,
'kb used' : kb_used,
'kb available':kb_avail,
'write ops rate': wr_ops_rate,
'write byte rate': wr_byte_rate,
'read ops rate': rd_ops_rate,
'read byte rate': rd_byte_rate,
'state': osd['state']
})
if output_format == "json":
return 0, json.dumps(json_output, sort_keys=True) , ""
elif output_format == "json-pretty":
return 0, json.dumps(json_output, sort_keys=True,indent=4,separators=(',', ': ')) , ""
else:
return 0, osd_table.get_string(), ""
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