+++ /dev/null
-
-"""
-High level status display commands
-"""
-
-from collections import defaultdict
-from prettytable import PrettyTable
-import prettytable
-import fnmatch
-import errno
-
-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"
- },
- ]
-
- (
- BLACK,
- RED,
- GREEN,
- YELLOW,
- BLUE,
- MAGENTA,
- CYAN,
- GRAY
- ) = range(8)
-
- RESET_SEQ = "\033[0m"
- COLOR_SEQ = "\033[1;%dm"
- COLOR_DARK_SEQ = "\033[0;%dm"
- BOLD_SEQ = "\033[1m"
- UNDERLINE_SEQ = "\033[4m"
-
- def colorize(self, msg, color, dark=False):
- """
- Decorate `msg` with escape sequences to give the requested color
- """
- return (self.COLOR_DARK_SEQ if dark else self.COLOR_SEQ) % (30 + color) \
- + msg + self.RESET_SEQ
-
- def bold(self, msg):
- """
- Decorate `msg` with escape sequences to make it appear bold
- """
- return self.BOLD_SEQ + msg + self.RESET_SEQ
-
- def format_units(self, n, width, colored, decimal):
- """
- Format a number without units, so as to fit into `width` characters, substituting
- an appropriate unit suffix.
-
- Use decimal for dimensionless things, use base 2 (decimal=False) for byte sizes/rates.
- """
-
- factor = 1000 if decimal else 1024
- units = [' ', 'k', 'M', 'G', 'T', 'P']
- unit = 0
- while len("%s" % (int(n) // (factor**unit))) > width - 1:
- unit += 1
-
- if unit > 0:
- truncated_float = ("%f" % (n / (float(factor) ** unit)))[0:width - 1]
- if truncated_float[-1] == '.':
- truncated_float = " " + truncated_float[0:-1]
- else:
- truncated_float = "%{wid}d".format(wid=width-1) % n
- formatted = "%s%s" % (truncated_float, units[unit])
-
- if colored:
- if n == 0:
- color = self.BLACK, False
- else:
- color = self.YELLOW, False
- return self.bold(self.colorize(formatted[0:-1], color[0], color[1])) \
- + self.bold(self.colorize(formatted[-1], self.BLACK, False))
- else:
- return formatted
-
- def format_dimless(self, n, width, colored=True):
- return self.format_units(n, width, colored, decimal=True)
-
- def format_bytes(self, n, width, colored=True):
- return self.format_units(n, width, colored, decimal=False)
-
- 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 = self.colorize(state, self.GREEN)
- else:
- c_state = self.colorize(state, self.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: " + self.format_dimless(
- self.get_rate("mds", info['name'], "mds_server.handle_client_request"),
- 5
- ) + "/s"
-
- metadata = self.get_metadata('mds', info['name'])
- mds_versions[metadata.get('ceph_version', "unknown")].append(info['name'])
- rank_table.add_row([
- self.bold(rank.__str__()), c_state, info['name'],
- activity,
- self.format_dimless(dns, 5),
- self.format_dimless(inos, 5)
- ])
-
- else:
- rank_table.add_row([
- rank, "failed", "", "", "", ""
- ])
-
- # Find the standby replays
- for gid_str, daemon_info in mdsmap['info'].iteritems():
- 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: " + self.format_dimless(
- self.get_rate("mds", daemon_info['name'], "mds_log.replay"),
- 5
- ) + "/s"
-
- rank_table.add_row([
- "{0}-s".format(daemon_info['rank']), "standby-replay",
- daemon_info['name'], activity,
- self.format_dimless(dns, 5),
- self.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,
- self.format_bytes(stats['bytes_used'], 5),
- self.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"
-
- standby_table = PrettyTable(["Standby MDS"])
- for standby in fsmap['standbys']:
- metadata = self.get_metadata('mds', standby['name'])
- mds_versions[metadata.get('ceph_version', "unknown")].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(mds_versions.keys()[0])
- else:
- version_table = PrettyTable(["version", "daemons"])
- for version, daemons in mds_versions.iteritems():
- 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'])
- 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
-
- metadata = self.get_metadata('osd', "%s" % osd_id)
- stats = osd_stats[osd_id]
-
- osd_table.add_row([osd_id, metadata['hostname'],
- self.format_bytes(stats['kb_used'] * 1024, 5),
- self.format_bytes(stats['kb_avail'] * 1024, 5),
- self.format_dimless(self.get_rate("osd", osd_id.__str__(), "osd.op_w") +
- self.get_rate("osd", osd_id.__str__(), "osd.op_rw"), 5),
- self.format_bytes(self.get_rate("osd", osd_id.__str__(), "osd.op_in_bytes"), 5),
- self.format_dimless(self.get_rate("osd", osd_id.__str__(), "osd.op_r"), 5),
- self.format_bytes(self.get_rate("osd", osd_id.__str__(), "osd.op_out_bytes"), 5),
- ])
-
- return 0, "", osd_table.get_string()
-
- def handle_command(self, 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'])
Code Review / stor4nfv.git / blobdiff