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"""
High level status display commands
"""
from collections import defaultdict
from prettytable import PrettyTable
import errno
import fnmatch
import mgr_util
import prettytable
import six
from mgr_module import MgrModule
class Module(MgrModule):
COMMANDS = [
{
"cmd": "fs status "
"name=fs,type=CephString,req=false",
"desc": "Show the status of a CephFS filesystem",
"perm": "r"
},
{
"cmd": "osd status "
"name=bucket,type=CephString,req=false",
"desc": "Show the status of OSDs within a bucket, or all",
"perm": "r"
},
]
def get_latest(self, daemon_type, daemon_name, stat):
data = self.get_counter(daemon_type, daemon_name, stat)[stat]
#self.log.error("get_latest {0} data={1}".format(stat, data))
if data:
return data[-1][1]
else:
return 0
def get_rate(self, daemon_type, daemon_name, stat):
data = self.get_counter(daemon_type, daemon_name, stat)[stat]
#self.log.error("get_latest {0} data={1}".format(stat, data))
if data and len(data) > 1:
return (data[-1][1] - data[-2][1]) / float(data[-1][0] - data[-2][0])
else:
return 0
def handle_fs_status(self, cmd):
output = ""
fs_filter = cmd.get('fs', None)
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"),
hrules=prettytable.FRAME
)
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")
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":
activity = "Reqs: " + mgr_util.format_dimless(
self.get_rate("mds", info['name'], "mds_server.handle_client_request"),
5
) + "/s"
defaults = defaultdict(lambda: None, {'version' : 'unknown'})
metadata = self.get_metadata('mds', info['name'], default=defaults)
mds_versions[metadata['ceph_version']].append(info['name'])
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)
])
else:
rank_table.add_row([
rank, "failed", "", "", "", ""
])
# Find the standby replays
for gid_str, daemon_info in six.iteritems(mdsmap['info']):
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")
activity = "Evts: " + mgr_util.format_dimless(
self.get_rate("mds", daemon_info['name'], "mds_log.replayed"),
5
) + "/s"
defaults = defaultdict(lambda: None, {'version' : 'unknown'})
metadata = self.get_metadata('mds', daemon_info['name'], default=defaults)
mds_versions[metadata['ceph_version']].append(daemon_info['name'])
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)
])
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"])
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]
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)
])
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 fs_filter is not None:
return errno.EINVAL, "", "Invalid filesystem: " + fs_filter
standby_table = PrettyTable(["Standby MDS"])
for standby in fsmap['standbys']:
defaults = defaultdict(lambda: None, {'version' : 'unknown'})
metadata = self.get_metadata('mds', standby['name'], default=defaults)
mds_versions[metadata['ceph_version']].append(standby['name'])
standby_table.add_row([standby['name']])
output += "\n" + standby_table.get_string() + "\n"
if len(mds_versions) == 1:
output += "MDS version: {0}".format(list(mds_versions)[0])
else:
version_table = PrettyTable(["version", "daemons"])
for version, daemons in six.iteritems(mds_versions):
version_table.add_row([
version,
", ".join(daemons)
])
output += version_table.get_string() + "\n"
return 0, output, ""
def handle_osd_status(self, cmd):
osd_table = PrettyTable(['id', 'host', 'used', 'avail', 'wr ops', 'wr data', 'rd ops', 'rd data', 'state'])
osdmap = self.get("osd_map")
filter_osds = set()
bucket_filter = None
if 'bucket' in cmd:
self.log.debug("Filtering to bucket '{0}'".format(cmd['bucket']))
bucket_filter = cmd['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:
defaults = defaultdict(lambda: None, {'hostname' : ''})
metadata = self.get_metadata('osd', str(osd_id), default=defaults)
stats = osd_stats[osd_id]
hostname = metadata['hostname']
kb_used = stats['kb_used'] * 1024
kb_avail = stats['kb_avail'] * 1024
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(self.get_rate("osd", osd_id.__str__(), "osd.op_w") +
self.get_rate("osd", osd_id.__str__(), "osd.op_rw"), 5),
mgr_util.format_bytes(self.get_rate("osd", osd_id.__str__(), "osd.op_in_bytes"), 5),
mgr_util.format_dimless(self.get_rate("osd", osd_id.__str__(), "osd.op_r"), 5),
mgr_util.format_bytes(self.get_rate("osd", osd_id.__str__(), "osd.op_out_bytes"), 5),
','.join(osd['state']),
])
return 0, osd_table.get_string(), ""
def handle_command(self, inbuf, cmd):
self.log.error("handle_command")
if cmd['prefix'] == "fs status":
return self.handle_fs_status(cmd)
elif cmd['prefix'] == "osd status":
return self.handle_osd_status(cmd)
else:
# mgr should respect our self.COMMANDS and not call us for
# any prefix we don't advertise
raise NotImplementedError(cmd['prefix'])
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