diff options
Diffstat (limited to 'python.d/mongodb.chart.py')
| -rw-r--r-- | python.d/mongodb.chart.py | 673 |
1 files changed, 0 insertions, 673 deletions
diff --git a/python.d/mongodb.chart.py b/python.d/mongodb.chart.py deleted file mode 100644 index 909a419da..000000000 --- a/python.d/mongodb.chart.py +++ /dev/null @@ -1,673 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: mongodb netdata python.d module -# Author: l2isbad - -from copy import deepcopy -from datetime import datetime -from sys import exc_info - -try: - from pymongo import MongoClient, ASCENDING, DESCENDING - from pymongo.errors import PyMongoError - PYMONGO = True -except ImportError: - PYMONGO = False - -from bases.FrameworkServices.SimpleService import SimpleService - -# default module values (can be overridden per job in `config`) -# update_every = 2 -priority = 60000 -retries = 60 - -REPL_SET_STATES = [ - ('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 = { - 'read_operations': { - 'options': [None, 'Received read requests', 'requests/s', 'throughput metrics', - 'mongodb.read_operations', 'line'], - 'lines': [ - ['query', None, 'incremental'], - ['getmore', None, 'incremental'] - ]}, - 'write_operations': { - 'options': [None, 'Received write requests', 'requests/s', 'throughput metrics', - 'mongodb.write_operations', 'line'], - 'lines': [ - ['insert', None, 'incremental'], - ['update', None, 'incremental'], - ['delete', None, 'incremental'] - ]}, - 'active_clients': { - 'options': [None, 'Clients with read or write operations in progress or queued', 'clients', - 'throughput metrics', 'mongodb.active_clients', 'line'], - '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': [ - ['commits', None, 'absolute'] - ]}, - 'journaling_volume': { - 'options': [None, 'Volume of data written to the journal', 'MB', 'database performance', - 'mongodb.journaling_volume', 'line'], - 'lines': [ - ['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': [ - ['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': [ - ['last_ms', 'time', 'absolute', 1, 100] - ]}, - 'background_flush_rate': { - 'options': [None, 'Flushes rate', 'flushes', 'database performance', 'mongodb.background_flush_rate', 'line'], - 'lines': [ - ['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], - ['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': [ - ['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', 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': [ - ['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': [ - ['msg', None, 'incremental', 1, 1], - ['warning', None, 'incremental', 1, 1], - ['regular', None, 'incremental', 1, 1], - ['user', None, 'incremental', 1, 1] - ]}, - 'wiredtiger_cache': { - '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_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': [ - ['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': [ - ['central_cache_free_bytes', 'central_cache_free', 'absolute', 1, 1024], - ['current_total_thread_cache_bytes', 'current_total_thread_cache', 'absolute', 1, 1024], - ['pageheap_free_bytes', 'pageheap_free', 'absolute', 1, 1024], - ['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': [ - ['count_total', 'count', 'incremental', 1, 1], - ['createIndexes_total', 'createIndexes', 'incremental', 1, 1], - ['delete_total', 'delete', 'incremental', 1, 1], - ['eval_total', 'eval', 'incremental', 1, 1], - ['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_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': [ - ['oplog_r', 'intent_shared', 'incremental'], - ['oplog_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('Pymongo module is needed to use mongodb.chart.py') - return False - self.connection, server_status, error = self._create_connection() - if error: - self.error(error) - return False - - self.build_metrics_to_collect_(server_status) - - try: - data = self._get_data() - except (LookupError, SyntaxError, AttributeError): - self.error('Type: %s, error: %s' % (str(exc_info()[0]), str(exc_info()[1]))) - return False - if isinstance(data, dict) and data: - self._data_from_check = data - self.create_charts_(server_status) - return True - self.error('_get_data() returned no data or type is not <dict>') - return False - - 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): - - if 'dur' not in server_status: - self.order.remove('journaling_transactions') - self.order.remove('journaling_volume') - - 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 'wiredTiger' not in server_status: - self.order.remove('wiredtiger_write') - self.order.remove('wiredtiger_read') - self.order.remove('wiredtiger_cache') - - if 'tcmalloc' not in server_status: - self.order.remove('tcmalloc_generic') - self.order.remove('tcmalloc_metrics') - - 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] - ]} - self.definitions['dbstats_objects']['lines'].append(['_'.join([dbase, 'objects']), dbase, 'absolute']) - - if self.do_replica: - def create_lines(hosts, string): - lines = list() - for host in hosts: - dim_id = '_'.join([host, string]) - lines.append([dim_id, host, 'absolute', 1, 1000]) - return lines - - def create_state_lines(states): - lines = list() - for state, description in states: - dim_id = '_'.join([host, 'state', state]) - lines.append([dim_id, description, 'absolute', 1, 1]) - return lines - - all_hosts = server_status['repl']['hosts'] + server_status['repl'].get('arbiters', list()) - this_host = server_status['repl']['me'] - other_hosts = [host for host in all_hosts if host != this_host] - - 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, '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, 'Replica set member (%s) current state' % host, 'state', - 'replication and oplog', 'mongodb.replication_state', 'line'], - 'lines': create_state_lines(REPL_SET_STATES)} - - def _get_raw_data(self): - raw_data = dict() - - raw_data.update(self.get_server_status() or dict()) - raw_data.update(self.get_db_stats() or dict()) - raw_data.update(self.get_repl_set_get_status() or dict()) - raw_data.update(self.get_get_replication_info() or dict()) - - return raw_data or None - - def get_server_status(self): - raw_data = dict() - try: - raw_data['serverStatus'] = self.connection.admin.command('serverStatus') - except PyMongoError: - return None - else: - return raw_data - - def get_db_stats(self): - if not self.databases: - return None - - raw_data = dict() - raw_data['dbStats'] = dict() - try: - for dbase in self.databases: - raw_data['dbStats'][dbase] = self.connection[dbase].command('dbStats') - return raw_data - except PyMongoError: - return None - - def get_repl_set_get_status(self): - if not self.do_replica: - return None - - raw_data = dict() - try: - raw_data['replSetGetStatus'] = self.connection.admin.command('replSetGetStatus') - return raw_data - except PyMongoError: - return None - - def get_get_replication_info(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] - return raw_data - except PyMongoError: - return None - - def _get_data(self): - """ - :return: dict - """ - raw_data = self._get_raw_data() - - if not raw_data: - return None - - to_netdata = 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 - for metric, new_name, func 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 func else func(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: - 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.get('optimeDate', unix_epoch) != 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 REPL_SET_STATES: - state = elem[0] - 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'] != unix_epoch: - node = other['name'] + '_heartbeat_lag' - 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 - - def _create_connection(self): - conn_vars = {'host': self.host, 'port': self.port} - if hasattr(MongoClient, 'server_selection_timeout'): - conn_vars.update({'serverselectiontimeoutms': self.timeout}) - try: - connection = MongoClient(**conn_vars) - if self.user and self.password: - connection.admin.authenticate(name=self.user, password=self.password) - # elif self.user: - # connection.admin.authenticate(name=self.user, mechanism='MONGODB-X509') - server_status = connection.admin.command('serverStatus') - 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 delta_calculation(delta, multiplier=1): - if hasattr(delta, 'total_seconds'): - return delta.total_seconds() * multiplier - return (delta.microseconds + (delta.seconds + delta.days * 24 * 3600) * 10 ** 6) / 10.0 ** 6 * multiplier |