from base import SimpleService
from copy import deepcopy
from datetime import datetime
+from sys import exc_info
+
try:
- from pymongo import MongoClient
+ from pymongo import MongoClient, ASCENDING, DESCENDING
from pymongo.errors import PyMongoError
PYMONGO = True
except ImportError:
retries = 60
REPLSET_STATES = [
- ('1', 'primary'),
- ('8', 'down'),
- ('2', 'secondary'),
- ('3', 'recovering'),
- ('5', 'startup2'),
- ('4', 'fatal'),
- ('7', 'arbiter'),
- ('6', 'unknown'),
- ('9', 'rollback'),
- ('10', 'removed'),
- ('0', 'startup')]
+ ('1', 'primary'),
+ ('8', 'down'),
+ ('2', 'secondary'),
+ ('3', 'recovering'),
+ ('5', 'startup2'),
+ ('4', 'fatal'),
+ ('7', 'arbiter'),
+ ('6', 'unknown'),
+ ('9', 'rollback'),
+ ('10', 'removed'),
+ ('0', 'startup')]
+
+
+def multiply_by_100(value):
+ return value * 100
+
+DEFAULT_METRICS = [
+ ('opcounters.delete', None, None),
+ ('opcounters.update', None, None),
+ ('opcounters.insert', None, None),
+ ('opcounters.query', None, None),
+ ('opcounters.getmore', None, None),
+ ('globalLock.activeClients.readers', 'activeClients_readers', None),
+ ('globalLock.activeClients.writers', 'activeClients_writers', None),
+ ('connections.available', 'connections_available', None),
+ ('connections.current', 'connections_current', None),
+ ('mem.mapped', None, None),
+ ('mem.resident', None, None),
+ ('mem.virtual', None, None),
+ ('globalLock.currentQueue.readers', 'currentQueue_readers', None),
+ ('globalLock.currentQueue.writers', 'currentQueue_writers', None),
+ ('asserts.msg', None, None),
+ ('asserts.regular', None, None),
+ ('asserts.user', None, None),
+ ('asserts.warning', None, None),
+ ('extra_info.page_faults', None, None),
+ ('metrics.record.moves', None, None),
+ ('backgroundFlushing.average_ms', None, multiply_by_100),
+ ('backgroundFlushing.last_ms', None, multiply_by_100),
+ ('backgroundFlushing.flushes', None, multiply_by_100),
+ ('metrics.cursor.timedOut', None, None),
+ ('metrics.cursor.open.total', 'cursor_total', None),
+ ('metrics.cursor.open.noTimeout', None, None),
+ ('cursors.timedOut', None, None),
+ ('cursors.totalOpen', 'cursor_total', None)
+]
+
+DUR = [
+ ('dur.commits', None, None),
+ ('dur.journaledMB', None, multiply_by_100)
+]
+
+WIREDTIGER = [
+ ('wiredTiger.concurrentTransactions.read.available', 'wiredTigerRead_available', None),
+ ('wiredTiger.concurrentTransactions.read.out', 'wiredTigerRead_out', None),
+ ('wiredTiger.concurrentTransactions.write.available', 'wiredTigerWrite_available', None),
+ ('wiredTiger.concurrentTransactions.write.out', 'wiredTigerWrite_out', None),
+ ('wiredTiger.cache.bytes currently in the cache', None, None),
+ ('wiredTiger.cache.tracked dirty bytes in the cache', None, None),
+ ('wiredTiger.cache.maximum bytes configured', None, None),
+ ('wiredTiger.cache.unmodified pages evicted', 'unmodified', None),
+ ('wiredTiger.cache.modified pages evicted', 'modified', None)
+]
+
+TCMALLOC = [
+ ('tcmalloc.generic.current_allocated_bytes', None, None),
+ ('tcmalloc.generic.heap_size', None, None),
+ ('tcmalloc.tcmalloc.central_cache_free_bytes', None, None),
+ ('tcmalloc.tcmalloc.current_total_thread_cache_bytes', None, None),
+ ('tcmalloc.tcmalloc.pageheap_free_bytes', None, None),
+ ('tcmalloc.tcmalloc.pageheap_unmapped_bytes', None, None),
+ ('tcmalloc.tcmalloc.thread_cache_free_bytes', None, None),
+ ('tcmalloc.tcmalloc.transfer_cache_free_bytes', None, None)
+]
+
+COMMANDS = [
+ ('metrics.commands.count.total', 'count_total', None),
+ ('metrics.commands.createIndexes.total', 'createIndexes_total', None),
+ ('metrics.commands.delete.total', 'delete_total', None),
+ ('metrics.commands.eval.total', 'eval_total', None),
+ ('metrics.commands.findAndModify.total', 'findAndModify_total', None),
+ ('metrics.commands.insert.total', 'insert_total', None),
+ ('metrics.commands.delete.total', 'delete_total', None),
+ ('metrics.commands.count.failed', 'count_failed', None),
+ ('metrics.commands.createIndexes.failed', 'createIndexes_failed', None),
+ ('metrics.commands.delete.failed', 'delete_failed', None),
+ ('metrics.commands.eval.failed', 'eval_failed', None),
+ ('metrics.commands.findAndModify.failed', 'findAndModify_failed', None),
+ ('metrics.commands.insert.failed', 'insert_failed', None),
+ ('metrics.commands.delete.failed', 'delete_failed', None)
+]
+
+LOCKS = [
+ ('locks.Collection.acquireCount.R', 'Collection_R', None),
+ ('locks.Collection.acquireCount.r', 'Collection_r', None),
+ ('locks.Collection.acquireCount.W', 'Collection_W', None),
+ ('locks.Collection.acquireCount.w', 'Collection_w', None),
+ ('locks.Database.acquireCount.R', 'Database_R', None),
+ ('locks.Database.acquireCount.r', 'Database_r', None),
+ ('locks.Database.acquireCount.W', 'Database_W', None),
+ ('locks.Database.acquireCount.w', 'Database_w', None),
+ ('locks.Global.acquireCount.R', 'Global_R', None),
+ ('locks.Global.acquireCount.r', 'Global_r', None),
+ ('locks.Global.acquireCount.W', 'Global_W', None),
+ ('locks.Global.acquireCount.w', 'Global_w', None),
+ ('locks.Metadata.acquireCount.R', 'Metadata_R', None),
+ ('locks.Metadata.acquireCount.w', 'Metadata_w', None),
+ ('locks.oplog.acquireCount.r', 'oplog_r', None),
+ ('locks.oplog.acquireCount.w', 'oplog_w', None)
+]
+
+DBSTATS = [
+ 'dataSize',
+ 'indexSize',
+ 'storageSize',
+ 'objects'
+]
# charts order (can be overridden if you want less charts, or different order)
ORDER = ['read_operations', 'write_operations', 'active_clients', 'journaling_transactions',
'journaling_volume', 'background_flush_average', 'background_flush_last', 'background_flush_rate',
'wiredtiger_read', 'wiredtiger_write', 'cursors', 'connections', 'memory', 'page_faults',
'queued_requests', 'record_moves', 'wiredtiger_cache', 'wiredtiger_pages_evicted', 'asserts',
+ 'locks_collection', 'locks_database', 'locks_global', 'locks_metadata', 'locks_oplog',
'dbstats_objects', 'tcmalloc_generic', 'tcmalloc_metrics', 'command_total_rate', 'command_failed_rate']
CHARTS = {
'options': [None, 'Received read requests', 'requests/s', 'throughput metrics',
'mongodb.read_operations', 'line'],
'lines': [
- ['readWriteOper_query', 'query', 'incremental'],
- ['readWriteOper_getmore', 'getmore', 'incremental']
+ ['query', None, 'incremental'],
+ ['getmore', None, 'incremental']
]},
'write_operations': {
'options': [None, 'Received write requests', 'requests/s', 'throughput metrics',
'mongodb.write_operations', 'line'],
'lines': [
- ['readWriteOper_insert', 'insert', 'incremental'],
- ['readWriteOper_update', 'update', 'incremental'],
- ['readWriteOper_delete', 'delete', 'incremental']
+ ['insert', None, 'incremental'],
+ ['update', None, 'incremental'],
+ ['delete', None, 'incremental']
]},
'active_clients': {
'options': [None, 'Clients with read or write operations in progress or queued', 'clients',
'lines': [
['activeClients_readers', 'readers', 'absolute'],
['activeClients_writers', 'writers', 'absolute']
- ]},
+ ]},
'journaling_transactions': {
'options': [None, 'Transactions that have been written to the journal', 'commits',
'database performance', 'mongodb.journaling_transactions', 'line'],
'lines': [
- ['journalTrans_commits', 'commits', 'absolute']
- ]},
+ ['commits', None, 'absolute']
+ ]},
'journaling_volume': {
'options': [None, 'Volume of data written to the journal', 'MB', 'database performance',
'mongodb.journaling_volume', 'line'],
'lines': [
- ['journalTrans_journaled', 'volume', 'absolute', 1, 100]
- ]},
+ ['journaledMB', 'volume', 'absolute', 1, 100]
+ ]},
'background_flush_average': {
'options': [None, 'Average time taken by flushes to execute', 'ms', 'database performance',
'mongodb.background_flush_average', 'line'],
'lines': [
- ['background_flush_average', 'time', 'absolute', 1, 100]
- ]},
+ ['average_ms', 'time', 'absolute', 1, 100]
+ ]},
'background_flush_last': {
'options': [None, 'Time taken by the last flush operation to execute', 'ms', 'database performance',
'mongodb.background_flush_last', 'line'],
'lines': [
- ['background_flush_last', 'time', 'absolute', 1, 100]
- ]},
+ ['last_ms', 'time', 'absolute', 1, 100]
+ ]},
'background_flush_rate': {
'options': [None, 'Flushes rate', 'flushes', 'database performance', 'mongodb.background_flush_rate', 'line'],
'lines': [
- ['background_flush_rate', 'flushes', 'incremental', 1, 1]
- ]},
+ ['flushes', 'flushes', 'incremental', 1, 1]
+ ]},
'wiredtiger_read': {
'options': [None, 'Read tickets in use and remaining', 'tickets', 'database performance',
'mongodb.wiredtiger_read', 'stacked'],
'lines': [
['wiredTigerRead_available', 'available', 'absolute', 1, 1],
['wiredTigerRead_out', 'inuse', 'absolute', 1, 1]
- ]},
+ ]},
'wiredtiger_write': {
'options': [None, 'Write tickets in use and remaining', 'tickets', 'database performance',
'mongodb.wiredtiger_write', 'stacked'],
'lines': [
['wiredTigerWrite_available', 'available', 'absolute', 1, 1],
['wiredTigerWrite_out', 'inuse', 'absolute', 1, 1]
- ]},
+ ]},
'cursors': {
'options': [None, 'Currently openned cursors, cursors with timeout disabled and timed out cursors',
'cursors', 'database performance', 'mongodb.cursors', 'stacked'],
'lines': [
['cursor_total', 'openned', 'absolute', 1, 1],
- ['cursor_noTimeout', 'notimeout', 'absolute', 1, 1],
- ['cursor_timedOut', 'timedout', 'incremental', 1, 1]
- ]},
+ ['noTimeout', None, 'absolute', 1, 1],
+ ['timedOut', None, 'incremental', 1, 1]
+ ]},
'connections': {
'options': [None, 'Currently connected clients and unused connections', 'connections',
'resource utilization', 'mongodb.connections', 'stacked'],
'lines': [
['connections_available', 'unused', 'absolute', 1, 1],
['connections_current', 'connected', 'absolute', 1, 1]
- ]},
+ ]},
'memory': {
'options': [None, 'Memory metrics', 'MB', 'resource utilization', 'mongodb.memory', 'stacked'],
'lines': [
- ['memory_virtual', 'virtual', 'absolute', 1, 1],
- ['memory_resident', 'resident', 'absolute', 1, 1],
- ['memory_mapped', 'mapped', 'absolute', 1, 1]
- ]},
+ ['virtual', None, 'absolute', 1, 1],
+ ['resident', None, 'absolute', 1, 1],
+ ['nonmapped', None, 'absolute', 1, 1],
+ ['mapped', None, 'absolute', 1, 1]
+ ]},
'page_faults': {
'options': [None, 'Number of times MongoDB had to fetch data from disk', 'request/s',
'resource utilization', 'mongodb.page_faults', 'line'],
'lines': [
- ['page_faults', 'page_faults', 'incremental', 1, 1]
- ]},
+ ['page_faults', None, 'incremental', 1, 1]
+ ]},
'queued_requests': {
'options': [None, 'Currently queued read and wrire requests', 'requests', 'resource saturation',
'mongodb.queued_requests', 'line'],
'lines': [
['currentQueue_readers', 'readers', 'absolute', 1, 1],
['currentQueue_writers', 'writers', 'absolute', 1, 1]
- ]},
+ ]},
'record_moves': {
'options': [None, 'Number of times documents had to be moved on-disk', 'number',
'resource saturation', 'mongodb.record_moves', 'line'],
'lines': [
- ['record_moves', 'moves', 'incremental', 1, 1]
- ]},
+ ['moves', None, 'incremental', 1, 1]
+ ]},
'asserts': {
'options': [None, 'Number of message, warning, regular, corresponding to errors generated'
' by users assertions raised', 'number', 'errors (asserts)', 'mongodb.asserts', 'line'],
'lines': [
- ['errors_msg', 'msg', 'incremental', 1, 1],
- ['errors_warning', 'warning', 'incremental', 1, 1],
- ['errors_regular', 'regular', 'incremental', 1, 1],
- ['errors_user', 'user', 'incremental', 1, 1]
- ]},
+ ['msg', None, 'incremental', 1, 1],
+ ['warning', None, 'incremental', 1, 1],
+ ['regular', None, 'incremental', 1, 1],
+ ['user', None, 'incremental', 1, 1]
+ ]},
'wiredtiger_cache': {
- 'options': [None, 'Amount of space taken by cached data and by dirty data in the cache',
- 'KB', 'resource utilization', 'mongodb.wiredtiger_cache', 'stacked'],
+ 'options': [None, 'The percentage of the wiredTiger cache that is in use and cache with dirty bytes',
+ 'percent', 'resource utilization', 'mongodb.wiredtiger_cache', 'stacked'],
'lines': [
- ['wiredTiger_bytes_in_cache', 'cached', 'absolute', 1, 1024],
- ['wiredTiger_dirty_in_cache', 'dirty', 'absolute', 1, 1024]
- ]},
+ ['wiredTiger_percent_clean', 'inuse', 'absolute', 1, 1000],
+ ['wiredTiger_percent_dirty', 'dirty', 'absolute', 1, 1000]
+ ]},
'wiredtiger_pages_evicted': {
'options': [None, 'Pages evicted from the cache',
'pages', 'resource utilization', 'mongodb.wiredtiger_pages_evicted', 'stacked'],
'lines': [
- ['wiredTiger_unmodified_pages_evicted', 'unmodified', 'absolute', 1, 1],
- ['wiredTiger_modified_pages_evicted', 'modified', 'absolute', 1, 1]
- ]},
+ ['unmodified', None, 'absolute', 1, 1],
+ ['modified', None, 'absolute', 1, 1]
+ ]},
'dbstats_objects': {
'options': [None, 'Number of documents in the database among all the collections', 'documents',
'storage size metrics', 'mongodb.dbstats_objects', 'stacked'],
'lines': [
- ]},
+ ]},
'tcmalloc_generic': {
'options': [None, 'Tcmalloc generic metrics', 'MB', 'tcmalloc', 'mongodb.tcmalloc_generic', 'stacked'],
'lines': [
['current_allocated_bytes', 'allocated', 'absolute', 1, 1048576],
['heap_size', 'heap_size', 'absolute', 1, 1048576]
- ]},
+ ]},
'tcmalloc_metrics': {
'options': [None, 'Tcmalloc metrics', 'KB', 'tcmalloc', 'mongodb.tcmalloc_metrics', 'stacked'],
'lines': [
['pageheap_unmapped_bytes', 'pageheap_unmapped', 'absolute', 1, 1024],
['thread_cache_free_bytes', 'thread_cache_free', 'absolute', 1, 1024],
['transfer_cache_free_bytes', 'transfer_cache_free', 'absolute', 1, 1024]
- ]},
+ ]},
'command_total_rate': {
'options': [None, 'Commands total rate', 'commands/s', 'commands', 'mongodb.command_total_rate', 'stacked'],
'lines': [
['findAndModify_total', 'findAndModify', 'incremental', 1, 1],
['insert_total', 'insert', 'incremental', 1, 1],
['update_total', 'update', 'incremental', 1, 1]
- ]},
+ ]},
'command_failed_rate': {
'options': [None, 'Commands failed rate', 'commands/s', 'commands', 'mongodb.command_failed_rate', 'stacked'],
'lines': [
['count_failed', 'count', 'incremental', 1, 1],
['createIndexes_failed', 'createIndexes', 'incremental', 1, 1],
- ['delete_dailed', 'delete', 'incremental', 1, 1],
+ ['delete_failed', 'delete', 'incremental', 1, 1],
['eval_failed', 'eval', 'incremental', 1, 1],
['findAndModify_failed', 'findAndModify', 'incremental', 1, 1],
['insert_failed', 'insert', 'incremental', 1, 1],
['update_failed', 'update', 'incremental', 1, 1]
- ]}
+ ]},
+ 'locks_collection': {
+ 'options': [None, 'Collection lock. Number of times the lock was acquired in the specified mode',
+ 'locks', 'locks metrics', 'mongodb.locks_collection', 'stacked'],
+ 'lines': [
+ ['Collection_R', 'shared', 'incremental'],
+ ['Collection_W', 'exclusive', 'incremental'],
+ ['Collection_r', 'intent_shared', 'incremental'],
+ ['Collection_w', 'intent_exclusive', 'incremental']
+ ]},
+ 'locks_database': {
+ 'options': [None, 'Database lock. Number of times the lock was acquired in the specified mode',
+ 'locks', 'locks metrics', 'mongodb.locks_database', 'stacked'],
+ 'lines': [
+ ['Database_R', 'shared', 'incremental'],
+ ['Database_W', 'exclusive', 'incremental'],
+ ['Database_r', 'intent_shared', 'incremental'],
+ ['Database_w', 'intent_exclusive', 'incremental']
+ ]},
+ 'locks_global': {
+ 'options': [None, 'Global lock. Number of times the lock was acquired in the specified mode',
+ 'locks', 'locks metrics', 'mongodb.locks_global', 'stacked'],
+ 'lines': [
+ ['Global_R', 'shared', 'incremental'],
+ ['Global_W', 'exclusive', 'incremental'],
+ ['Global_r', 'intent_shared', 'incremental'],
+ ['Global_w', 'intent_exclusive', 'incremental']
+ ]},
+ 'locks_metadata': {
+ 'options': [None, 'Metadata lock. Number of times the lock was acquired in the specified mode',
+ 'locks', 'locks metrics', 'mongodb.locks_metadata', 'stacked'],
+ 'lines': [
+ ['Metadata_R', 'shared', 'incremental'],
+ ['Metadata_w', 'intent_exclusive', 'incremental']
+ ]},
+ 'locks_oplog': {
+ 'options': [None, 'Lock on the oplog. Number of times the lock was acquired in the specified mode',
+ 'locks', 'locks metrics', 'mongodb.locks_oplog', 'stacked'],
+ 'lines': [
+ ['Metadata_r', 'intent_shared', 'incremental'],
+ ['Metadata_w', 'intent_exclusive', 'incremental']
+ ]}
}
class Service(SimpleService):
def __init__(self, configuration=None, name=None):
SimpleService.__init__(self, configuration=configuration, name=name)
+ self.order = ORDER[:]
+ self.definitions = deepcopy(CHARTS)
self.user = self.configuration.get('user')
self.password = self.configuration.get('pass')
self.host = self.configuration.get('host', '127.0.0.1')
self.port = self.configuration.get('port', 27017)
self.timeout = self.configuration.get('timeout', 100)
+ self.metrics_to_collect = deepcopy(DEFAULT_METRICS)
+ self.connection = None
+ self.do_replica = None
+ self.databases = list()
def check(self):
if not PYMONGO:
self.error(error)
return False
- self.repl = 'repl' in server_status
- try:
- self.databases = self.connection.database_names()
- except PyMongoError as error:
- self.databases = list()
- self.info('Can\'t collect databases: %s' % str(error))
-
- self.create_charts_(server_status)
+ self.build_metrics_to_collect_(server_status)
- return True
+ try:
+ self._get_data()
+ except (LookupError, SyntaxError, AttributeError):
+ self.error('Type: %s, error: %s' % (str(exc_info()[0]), str(exc_info()[1])))
+ return False
+ else:
+ self.create_charts_(server_status)
+ return True
+
+ def build_metrics_to_collect_(self, server_status):
+
+ self.do_replica = 'repl' in server_status
+ if 'dur' in server_status:
+ self.metrics_to_collect.extend(DUR)
+ if 'tcmalloc' in server_status:
+ self.metrics_to_collect.extend(TCMALLOC)
+ if 'commands' in server_status['metrics']:
+ self.metrics_to_collect.extend(COMMANDS)
+ if 'wiredTiger' in server_status:
+ self.metrics_to_collect.extend(WIREDTIGER)
+ if 'Collection' in server_status['locks']:
+ self.metrics_to_collect.extend(LOCKS)
def create_charts_(self, server_status):
- self.order = ORDER[:]
- self.definitions = deepcopy(CHARTS)
- self.ss = dict()
-
- for elem in ['dur', 'backgroundFlushing', 'wiredTiger', 'tcmalloc', 'cursor', 'commands']:
- self.ss[elem] = in_server_status(elem, server_status)
-
- if not self.ss['dur']:
+ if 'dur' not in server_status:
self.order.remove('journaling_transactions')
self.order.remove('journaling_volume')
- if not self.ss['backgroundFlushing']:
+ if 'backgroundFlushing' not in server_status:
self.order.remove('background_flush_average')
self.order.remove('background_flush_last')
self.order.remove('background_flush_rate')
- if not self.ss['cursor']:
- self.order.remove('cursors')
-
- if not self.ss['wiredTiger']:
+ if 'wiredTiger' not in server_status:
self.order.remove('wiredtiger_write')
self.order.remove('wiredtiger_read')
self.order.remove('wiredtiger_cache')
- if not self.ss['tcmalloc']:
+ if 'tcmalloc' not in server_status:
self.order.remove('tcmalloc_generic')
self.order.remove('tcmalloc_metrics')
- if not self.ss['commands']:
+ if 'commands' not in server_status['metrics']:
self.order.remove('command_total_rate')
self.order.remove('command_failed_rate')
+ if 'Collection' not in server_status['locks']:
+ self.order.remove('locks_collection')
+ self.order.remove('locks_database')
+ self.order.remove('locks_global')
+ self.order.remove('locks_metadata')
+
+ if 'oplog' not in server_status['locks']:
+ self.order.remove('locks_oplog')
+
for dbase in self.databases:
self.order.append('_'.join([dbase, 'dbstats']))
self.definitions['_'.join([dbase, 'dbstats'])] = {
- 'options': [None, '%s: size of all documents, indexes, extents' % dbase, 'KB',
- 'storage size metrics', 'mongodb.dbstats', 'line'],
- 'lines': [
- ['_'.join([dbase, 'dataSize']), 'documents', 'absolute', 1, 1024],
- ['_'.join([dbase, 'indexSize']), 'indexes', 'absolute', 1, 1024],
- ['_'.join([dbase, 'storageSize']), 'extents', 'absolute', 1, 1024]
- ]}
+ 'options': [None, '%s: size of all documents, indexes, extents' % dbase, 'KB',
+ 'storage size metrics', 'mongodb.dbstats', 'line'],
+ 'lines': [
+ ['_'.join([dbase, 'dataSize']), 'documents', 'absolute', 1, 1024],
+ ['_'.join([dbase, 'indexSize']), 'indexes', 'absolute', 1, 1024],
+ ['_'.join([dbase, 'storageSize']), 'extents', 'absolute', 1, 1024]
+ ]}
self.definitions['dbstats_objects']['lines'].append(['_'.join([dbase, 'objects']), dbase, 'absolute'])
- if server_status.get('repl'):
- def create_heartbeat_lines(hosts):
+ if self.do_replica:
+ def create_lines(hosts, string):
lines = list()
for host in hosts:
- dim_id = '_'.join([host, 'heartbeat_lag'])
+ dim_id = '_'.join([host, string])
lines.append([dim_id, host, 'absolute', 1, 1000])
return lines
this_host = server_status['repl']['me']
other_hosts = [host for host in all_hosts if host != this_host]
- # Create "heartbeat delay" charts
+ if 'local' in self.databases:
+ self.order.append('oplog_window')
+ self.definitions['oplog_window'] = {
+ 'options': [None, 'Interval of time between the oldest and the latest entries in the oplog',
+ 'seconds', 'replication and oplog', 'mongodb.oplog_window', 'line'],
+ 'lines': [['timeDiff', 'window', 'absolute', 1, 1000]]}
+ # Create "heartbeat delay" chart
self.order.append('heartbeat_delay')
self.definitions['heartbeat_delay'] = {
- 'options': [None, 'Latency between this node and replica set members (lastHeartbeatRecv)',
- 'seconds', 'replication', 'mongodb.replication_heartbeat_delay', 'stacked'],
- 'lines': create_heartbeat_lines(other_hosts)}
+ 'options': [None, 'Time when last heartbeat was received'
+ ' from the replica set member (lastHeartbeatRecv)',
+ 'seconds ago', 'replication and oplog', 'mongodb.replication_heartbeat_delay', 'stacked'],
+ 'lines': create_lines(other_hosts, 'heartbeat_lag')}
+ # Create "optimedate delay" chart
+ self.order.append('optimedate_delay')
+ self.definitions['optimedate_delay'] = {
+ 'options': [None, 'Time when last entry from the oplog was applied (optimeDate)',
+ 'seconds ago', 'replication and oplog', 'mongodb.replication_optimedate_delay', 'stacked'],
+ 'lines': create_lines(all_hosts, 'optimedate')}
# Create "replica set members state" chart
for host in all_hosts:
chart_name = '_'.join([host, 'state'])
self.order.append(chart_name)
self.definitions[chart_name] = {
- 'options': [None, '%s state' % host, 'state',
- 'replication', 'mongodb.replication_state', 'line'],
- 'lines': create_state_lines(REPLSET_STATES)}
+ 'options': [None, 'Replica set member (%s) current state' % host, 'state',
+ 'replication and oplog', 'mongodb.replication_state', 'line'],
+ 'lines': create_state_lines(REPLSET_STATES)}
def _get_raw_data(self):
raw_data = dict()
raw_data.update(self.get_serverstatus_() or dict())
raw_data.update(self.get_dbstats_() or dict())
raw_data.update(self.get_replsetgetstatus_() or dict())
+ raw_data.update(self.get_getreplicationinfo_() or dict())
return raw_data or None
return raw_data
def get_replsetgetstatus_(self):
- if not self.repl:
+ if not self.do_replica:
return None
raw_data = dict()
else:
return raw_data
+ def get_getreplicationinfo_(self):
+ if not (self.do_replica and 'local' in self.databases):
+ return None
+
+ raw_data = dict()
+ raw_data['getReplicationInfo'] = dict()
+ try:
+ raw_data['getReplicationInfo']['ASCENDING'] = self.connection.local.oplog.rs.find().sort(
+ "$natural", ASCENDING).limit(1)[0]
+ raw_data['getReplicationInfo']['DESCENDING'] = self.connection.local.oplog.rs.find().sort(
+ "$natural", DESCENDING).limit(1)[0]
+ except PyMongoError:
+ return None
+ else:
+ return raw_data
+
def _get_data(self):
"""
:return: dict
serverStatus = raw_data['serverStatus']
dbStats = raw_data.get('dbStats')
replSetGetStatus = raw_data.get('replSetGetStatus')
+ getReplicationInfo = raw_data.get('getReplicationInfo')
utc_now = datetime.utcnow()
# serverStatus
- to_netdata.update(update_dict_key(serverStatus['opcounters'], 'readWriteOper'))
- to_netdata.update(update_dict_key(serverStatus['globalLock']['activeClients'], 'activeClients'))
- to_netdata.update(update_dict_key(serverStatus['connections'], 'connections'))
- to_netdata.update(update_dict_key(serverStatus['mem'], 'memory'))
- to_netdata.update(update_dict_key(serverStatus['globalLock']['currentQueue'], 'currentQueue'))
- to_netdata.update(update_dict_key(serverStatus['asserts'], 'errors'))
- to_netdata['page_faults'] = serverStatus['extra_info']['page_faults']
- to_netdata['record_moves'] = serverStatus['metrics']['record']['moves']
-
- if self.ss['dur']:
- to_netdata['journalTrans_commits'] = serverStatus['dur']['commits']
- to_netdata['journalTrans_journaled'] = int(serverStatus['dur']['journaledMB'] * 100)
-
- if self.ss['backgroundFlushing']:
- to_netdata['background_flush_average'] = int(serverStatus['backgroundFlushing']['average_ms'] * 100)
- to_netdata['background_flush_last'] = int(serverStatus['backgroundFlushing']['last_ms'] * 100)
- to_netdata['background_flush_rate'] = serverStatus['backgroundFlushing']['flushes']
-
- if self.ss['cursor']:
- to_netdata['cursor_timedOut'] = serverStatus['metrics']['cursor']['timedOut']
- to_netdata.update(update_dict_key(serverStatus['metrics']['cursor']['open'], 'cursor'))
-
- if self.ss['wiredTiger']:
- wired_tiger = serverStatus['wiredTiger']
- to_netdata.update(update_dict_key(serverStatus['wiredTiger']['concurrentTransactions']['read'],
- 'wiredTigerRead'))
- to_netdata.update(update_dict_key(serverStatus['wiredTiger']['concurrentTransactions']['write'],
- 'wiredTigerWrite'))
- to_netdata['wiredTiger_bytes_in_cache'] = wired_tiger['cache']['bytes currently in the cache']
- to_netdata['wiredTiger_dirty_in_cache'] = wired_tiger['cache']['tracked dirty bytes in the cache']
- to_netdata['wiredTiger_unmodified_pages_evicted'] = wired_tiger['cache']['unmodified pages evicted']
- to_netdata['wiredTiger_modified_pages_evicted'] = wired_tiger['cache']['modified pages evicted']
-
- if self.ss['tcmalloc']:
- to_netdata.update(serverStatus['tcmalloc']['generic'])
- to_netdata.update(dict([(k, v) for k, v in serverStatus['tcmalloc']['tcmalloc'].items()
- if int_or_float(v)]))
-
- if self.ss['commands']:
- for elem in ['count', 'createIndexes', 'delete', 'eval', 'findAndModify', 'insert', 'update']:
- to_netdata.update(update_dict_key(serverStatus['metrics']['commands'][elem], elem))
+ for metric, new_name, function in self.metrics_to_collect:
+ value = serverStatus
+ for key in metric.split('.'):
+ try:
+ value = value[key]
+ except KeyError:
+ break
+
+ if not isinstance(value, dict) and key:
+ to_netdata[new_name or key] = value if not function else function(value)
+
+ to_netdata['nonmapped'] = to_netdata['virtual'] - serverStatus['mem'].get('mappedWithJournal',
+ to_netdata['mapped'])
+ if to_netdata.get('maximum bytes configured'):
+ maximum = to_netdata['maximum bytes configured']
+ to_netdata['wiredTiger_percent_clean'] = int(to_netdata['bytes currently in the cache']
+ * 100 / maximum * 1000)
+ to_netdata['wiredTiger_percent_dirty'] = int(to_netdata['tracked dirty bytes in the cache']
+ * 100 / maximum * 1000)
# dbStats
if dbStats:
for dbase in dbStats:
- to_netdata.update(update_dict_key(dbStats[dbase], dbase))
+ for metric in DBSTATS:
+ key = '_'.join([dbase, metric])
+ to_netdata[key] = dbStats[dbase][metric]
# replSetGetStatus
if replSetGetStatus:
other_hosts = list()
members = replSetGetStatus['members']
+ unix_epoch = datetime(1970, 1, 1, 0, 0)
+
for member in members:
if not member.get('self'):
other_hosts.append(member)
+ # Replica set time diff between current time and time when last entry from the oplog was applied
+ if member['optimeDate'] != unix_epoch:
+ member_optimedate = member['name'] + '_optimedate'
+ to_netdata.update({member_optimedate: int(delta_calculation(delta=utc_now - member['optimeDate'],
+ multiplier=1000))})
# Replica set members state
+ member_state = member['name'] + '_state'
for elem in REPLSET_STATES:
state = elem[0]
- to_netdata.update({'_'.join([member['name'], 'state', state]): 0})
- to_netdata.update({'_'.join([member['name'], 'state', str(member['state'])]): member['state']})
+ to_netdata.update({'_'.join([member_state, state]): 0})
+ to_netdata.update({'_'.join([member_state, str(member['state'])]): member['state']})
# Heartbeat lag calculation
for other in other_hosts:
- if other['lastHeartbeatRecv'] != datetime(1970, 1, 1, 0, 0):
+ if other['lastHeartbeatRecv'] != unix_epoch:
node = other['name'] + '_heartbeat_lag'
- to_netdata[node] = int(lag_calculation(utc_now - other['lastHeartbeatRecv']) * 1000)
+ to_netdata[node] = int(delta_calculation(delta=utc_now - other['lastHeartbeatRecv'],
+ multiplier=1000))
+
+ if getReplicationInfo:
+ first_event = getReplicationInfo['ASCENDING']['ts'].as_datetime()
+ last_event = getReplicationInfo['DESCENDING']['ts'].as_datetime()
+ to_netdata['timeDiff'] = int(delta_calculation(delta=last_event - first_event, multiplier=1000))
return to_netdata
except PyMongoError as error:
return None, None, str(error)
else:
+ try:
+ self.databases = connection.database_names()
+ except PyMongoError as error:
+ self.info('Can\'t collect databases: %s' % str(error))
return connection, server_status, None
-def update_dict_key(collection, string):
- return dict([('_'.join([string, k]), int(round(v))) for k, v in collection.items() if int_or_float(v)])
-
-
-def int_or_float(value):
- return isinstance(value, (int, float))
-
-
-def in_server_status(elem, server_status):
- return elem in server_status or elem in server_status['metrics']
-
-
-def lag_calculation(lag):
- if hasattr(lag, 'total_seconds'):
- return lag.total_seconds()
+def delta_calculation(delta, multiplier=1):
+ if hasattr(delta, 'total_seconds'):
+ return delta.total_seconds() * multiplier
else:
- return (lag.microseconds + (lag.seconds + lag.days * 24 * 3600) * 10 ** 6) / 10.0 ** 6
+ return (delta.microseconds + (delta.seconds + delta.days * 24 * 3600) * 10 ** 6) / 10.0 ** 6 * multiplier
projects / netdata.git / blobdiff