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Diffstat (limited to 'src/pybind/mgr/status/module.py')
| -rw-r--r-- | src/pybind/mgr/status/module.py | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/pybind/mgr/status/module.py b/src/pybind/mgr/status/module.py new file mode 100644 index 00000000..f8509296 --- /dev/null +++ b/src/pybind/mgr/status/module.py @@ -0,0 +1,261 @@ + +""" +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']) |