diff options
Diffstat (limited to '')
| -rw-r--r-- | python.d/elasticsearch.chart.py | 401 |
1 files changed, 235 insertions, 166 deletions
diff --git a/python.d/elasticsearch.chart.py b/python.d/elasticsearch.chart.py index ff841f17c..430227f69 100644 --- a/python.d/elasticsearch.chart.py +++ b/python.d/elasticsearch.chart.py @@ -3,13 +3,14 @@ # Author: l2isbad from base import UrlService -from requests import get -from socket import gethostbyname +from socket import gethostbyname, gaierror try: from queue import Queue except ImportError: from Queue import Queue from threading import Thread +from collections import namedtuple +from json import loads # default module values (can be overridden per job in `config`) # update_every = 2 @@ -17,45 +18,125 @@ update_every = 5 priority = 60000 retries = 60 +METHODS = namedtuple('METHODS', ['get_data_function', 'url']) + +NODE_STATS = [ + ('indices.search.fetch_current', None, None), + ('indices.search.fetch_total', None, None), + ('indices.search.query_current', None, None), + ('indices.search.query_total', None, None), + ('indices.search.query_time_in_millis', None, None), + ('indices.search.fetch_time_in_millis', None, None), + ('indices.indexing.index_total', 'indexing_index_total', None), + ('indices.indexing.index_current', 'indexing_index_current', None), + ('indices.indexing.index_time_in_millis', 'indexing_index_time_in_millis', None), + ('indices.refresh.total', 'refresh_total', None), + ('indices.refresh.total_time_in_millis', 'refresh_total_time_in_millis', None), + ('indices.flush.total', 'flush_total', None), + ('indices.flush.total_time_in_millis', 'flush_total_time_in_millis', None), + ('jvm.gc.collectors.young.collection_count', 'young_collection_count', None), + ('jvm.gc.collectors.old.collection_count', 'old_collection_count', None), + ('jvm.gc.collectors.young.collection_time_in_millis', 'young_collection_time_in_millis', None), + ('jvm.gc.collectors.old.collection_time_in_millis', 'old_collection_time_in_millis', None), + ('jvm.mem.heap_used_percent', 'jvm_heap_percent', None), + ('jvm.mem.heap_committed_in_bytes', 'jvm_heap_commit', None), + ('thread_pool.bulk.queue', 'bulk_queue', None), + ('thread_pool.bulk.rejected', 'bulk_rejected', None), + ('thread_pool.index.queue', 'index_queue', None), + ('thread_pool.index.rejected', 'index_rejected', None), + ('thread_pool.search.queue', 'search_queue', None), + ('thread_pool.search.rejected', 'search_rejected', None), + ('thread_pool.merge.queue', 'merge_queue', None), + ('thread_pool.merge.rejected', 'merge_rejected', None), + ('indices.fielddata.memory_size_in_bytes', 'index_fdata_memory', None), + ('indices.fielddata.evictions', None, None), + ('breakers.fielddata.tripped', None, None), + ('http.current_open', 'http_current_open', None), + ('transport.rx_size_in_bytes', 'transport_rx_size_in_bytes', None), + ('transport.tx_size_in_bytes', 'transport_tx_size_in_bytes', None), + ('process.max_file_descriptors', None, None), + ('process.open_file_descriptors', None, None) +] + +CLUSTER_STATS = [ + ('nodes.count.data_only', 'count_data_only', None), + ('nodes.count.master_data', 'count_master_data', None), + ('nodes.count.total', 'count_total', None), + ('nodes.count.master_only', 'count_master_only', None), + ('nodes.count.client', 'count_client', None), + ('indices.docs.count', 'docs_count', None), + ('indices.query_cache.hit_count', 'query_cache_hit_count', None), + ('indices.query_cache.miss_count', 'query_cache_miss_count', None), + ('indices.store.size_in_bytes', 'store_size_in_bytes', None), + ('indices.count', 'indices_count', None), + ('indices.shards.total', 'shards_total', None) +] + +HEALTH_STATS = [ + ('number_of_nodes', 'health_number_of_nodes', None), + ('number_of_data_nodes', 'health_number_of_data_nodes', None), + ('number_of_pending_tasks', 'health_number_of_pending_tasks', None), + ('number_of_in_flight_fetch', 'health_number_of_in_flight_fetch', None), + ('active_shards', 'health_active_shards', None), + ('relocating_shards', 'health_relocating_shards', None), + ('unassigned_shards', 'health_unassigned_shards', None), + ('delayed_unassigned_shards', 'health_delayed_unassigned_shards', None), + ('initializing_shards', 'health_initializing_shards', None), + ('active_shards_percent_as_number', 'health_active_shards_percent_as_number', None) +] + # charts order (can be overridden if you want less charts, or different order) -ORDER = ['search_perf_total', 'search_perf_time', 'search_latency', 'index_perf_total', 'index_perf_time', - 'index_latency', 'jvm_mem_heap', 'jvm_gc_count', 'jvm_gc_time', 'host_metrics_file_descriptors', - 'host_metrics_http', 'host_metrics_transport', 'thread_pool_qr', 'fdata_cache', 'fdata_ev_tr', - 'cluster_health_status', 'cluster_health_nodes', 'cluster_health_shards', 'cluster_stats_nodes', - 'cluster_stats_query_cache', 'cluster_stats_docs', 'cluster_stats_store', 'cluster_stats_indices_shards'] +ORDER = ['search_perf_total', 'search_perf_current', 'search_perf_time', 'search_latency', 'index_perf_total', + 'index_perf_current', 'index_perf_time', 'index_latency', 'jvm_mem_heap', 'jvm_gc_count', + 'jvm_gc_time', 'host_metrics_file_descriptors', 'host_metrics_http', 'host_metrics_transport', + 'thread_pool_qr_q', 'thread_pool_qr_r', 'fdata_cache', 'fdata_ev_tr', 'cluster_health_status', + 'cluster_health_nodes', 'cluster_health_shards', 'cluster_stats_nodes', 'cluster_stats_query_cache', + 'cluster_stats_docs', 'cluster_stats_store', 'cluster_stats_indices_shards'] CHARTS = { 'search_perf_total': { - 'options': [None, 'Number of queries, fetches', 'queries', 'Search performance', 'es.search_query', 'stacked'], + 'options': [None, 'Total number of queries, fetches', 'number of', 'search performance', + 'es.search_query_total', 'stacked'], + 'lines': [ + ['query_total', 'queries', 'incremental'], + ['fetch_total', 'fetches', 'incremental'] + ]}, + 'search_perf_current': { + 'options': [None, 'Number of queries, fetches in progress', 'number of', 'search performance', + 'es.search_query_current', 'stacked'], 'lines': [ - ['query_total', 'search_total', 'incremental'], - ['fetch_total', 'fetch_total', 'incremental'], - ['query_current', 'search_current', 'absolute'], - ['fetch_current', 'fetch_current', 'absolute'] + ['query_current', 'queries', 'absolute'], + ['fetch_current', 'fetches', 'absolute'] ]}, 'search_perf_time': { - 'options': [None, 'Time spent on queries, fetches', 'seconds', 'Search performance', 'es.search_time', 'stacked'], + 'options': [None, 'Time spent on queries, fetches', 'seconds', 'search performance', + 'es.search_time', 'stacked'], 'lines': [ ['query_time_in_millis', 'query', 'incremental', 1, 1000], ['fetch_time_in_millis', 'fetch', 'incremental', 1, 1000] ]}, 'search_latency': { - 'options': [None, 'Query and fetch latency', 'ms', 'Search performance', 'es.search_latency', 'stacked'], + 'options': [None, 'Query and fetch latency', 'ms', 'search performance', 'es.search_latency', 'stacked'], 'lines': [ ['query_latency', 'query', 'absolute', 1, 1000], ['fetch_latency', 'fetch', 'absolute', 1, 1000] ]}, 'index_perf_total': { - 'options': [None, 'Number of documents indexed, index refreshes, flushes', 'documents/indexes', - 'Indexing performance', 'es.index_doc', 'stacked'], + 'options': [None, 'Total number of documents indexed, index refreshes, index flushes to disk', 'number of', + 'indexing performance', 'es.index_performance_total', 'stacked'], 'lines': [ ['indexing_index_total', 'indexed', 'incremental'], ['refresh_total', 'refreshes', 'incremental'], - ['flush_total', 'flushes', 'incremental'], - ['indexing_index_current', 'indexed_current', 'absolute'], + ['flush_total', 'flushes', 'incremental'] + ]}, + 'index_perf_current': { + 'options': [None, 'Number of documents currently being indexed', 'currently indexed', + 'indexing performance', 'es.index_performance_current', 'stacked'], + 'lines': [ + ['indexing_index_current', 'documents', 'absolute'] ]}, 'index_perf_time': { - 'options': [None, 'Time spent on indexing, refreshing, flushing', 'seconds', 'Indexing performance', + 'options': [None, 'Time spent on indexing, refreshing, flushing', 'seconds', 'indexing performance', 'es.search_time', 'stacked'], 'lines': [ ['indexing_index_time_in_millis', 'indexing', 'incremental', 1, 1000], @@ -63,67 +144,72 @@ CHARTS = { ['flush_total_time_in_millis', 'flushing', 'incremental', 1, 1000] ]}, 'index_latency': { - 'options': [None, 'Indexing and flushing latency', 'ms', 'Indexing performance', + 'options': [None, 'Indexing and flushing latency', 'ms', 'indexing performance', 'es.index_latency', 'stacked'], 'lines': [ ['indexing_latency', 'indexing', 'absolute', 1, 1000], ['flushing_latency', 'flushing', 'absolute', 1, 1000] ]}, 'jvm_mem_heap': { - 'options': [None, 'JVM heap currently in use/committed', 'percent/MB', 'Memory usage and gc', + 'options': [None, 'JVM heap currently in use/committed', 'percent/MB', 'memory usage and gc', 'es.jvm_heap', 'area'], 'lines': [ ['jvm_heap_percent', 'inuse', 'absolute'], ['jvm_heap_commit', 'commit', 'absolute', -1, 1048576] ]}, 'jvm_gc_count': { - 'options': [None, 'Count of garbage collections', 'counts', 'Memory usage and gc', 'es.gc_count', 'stacked'], + 'options': [None, 'Count of garbage collections', 'counts', 'memory usage and gc', 'es.gc_count', 'stacked'], 'lines': [ ['young_collection_count', 'young', 'incremental'], ['old_collection_count', 'old', 'incremental'] ]}, 'jvm_gc_time': { - 'options': [None, 'Time spent on garbage collections', 'ms', 'Memory usage and gc', 'es.gc_time', 'stacked'], + 'options': [None, 'Time spent on garbage collections', 'ms', 'memory usage and gc', 'es.gc_time', 'stacked'], 'lines': [ ['young_collection_time_in_millis', 'young', 'incremental'], ['old_collection_time_in_millis', 'old', 'incremental'] ]}, - 'thread_pool_qr': { - 'options': [None, 'Number of queued/rejected threads in thread pool', 'threads', 'Queues and rejections', - 'es.qr', 'stacked'], + 'thread_pool_qr_q': { + 'options': [None, 'Number of queued threads in thread pool', 'queued threads', 'queues and rejections', + 'es.thread_pool_queued', 'stacked'], 'lines': [ - ['bulk_queue', 'bulk_queue', 'absolute'], - ['index_queue', 'index_queue', 'absolute'], - ['search_queue', 'search_queue', 'absolute'], - ['merge_queue', 'merge_queue', 'absolute'], - ['bulk_rejected', 'bulk_rej', 'absolute'], - ['index_rejected', 'index_rej', 'absolute'], - ['search_rejected', 'search_rej', 'absolute'], - ['merge_rejected', 'merge_rej', 'absolute'] + ['bulk_queue', 'bulk', 'absolute'], + ['index_queue', 'index', 'absolute'], + ['search_queue', 'search', 'absolute'], + ['merge_queue', 'merge', 'absolute'] + ]}, + 'thread_pool_qr_r': { + 'options': [None, 'Number of rejected threads in thread pool', 'rejected threads', 'queues and rejections', + 'es.thread_pool_rejected', 'stacked'], + 'lines': [ + ['bulk_rejected', 'bulk', 'absolute'], + ['index_rejected', 'index', 'absolute'], + ['search_rejected', 'search', 'absolute'], + ['merge_rejected', 'merge', 'absolute'] ]}, 'fdata_cache': { - 'options': [None, 'Fielddata cache size', 'MB', 'Fielddata cache', 'es.fdata_cache', 'line'], + 'options': [None, 'Fielddata cache size', 'MB', 'fielddata cache', 'es.fdata_cache', 'line'], 'lines': [ - ['index_fdata_mem', 'mem_size', 'absolute', 1, 1048576] + ['index_fdata_memory', 'cache', 'absolute', 1, 1048576] ]}, 'fdata_ev_tr': { 'options': [None, 'Fielddata evictions and circuit breaker tripped count', 'number of events', - 'Fielddata cache', 'es.fdata_ev_tr', 'line'], + 'fielddata cache', 'es.evictions_tripped', 'line'], 'lines': [ - ['index_fdata_evic', 'evictions', 'incremental'], - ['breakers_fdata_trip', 'tripped', 'incremental'] + ['evictions', None, 'incremental'], + ['tripped', None, 'incremental'] ]}, 'cluster_health_nodes': { - 'options': [None, 'Nodes and tasks statistics', 'units', 'Cluster health API', - 'es.cluster_health', 'stacked'], + 'options': [None, 'Nodes and tasks statistics', 'units', 'cluster health API', + 'es.cluster_health_nodes', 'stacked'], 'lines': [ ['health_number_of_nodes', 'nodes', 'absolute'], ['health_number_of_data_nodes', 'data_nodes', 'absolute'], ['health_number_of_pending_tasks', 'pending_tasks', 'absolute'], - ['health_number_of_in_flight_fetch', 'inflight_fetch', 'absolute'] + ['health_number_of_in_flight_fetch', 'in_flight_fetch', 'absolute'] ]}, 'cluster_health_status': { - 'options': [None, 'Cluster status', 'status', 'Cluster health API', + 'options': [None, 'Cluster status', 'status', 'cluster health API', 'es.cluster_health_status', 'area'], 'lines': [ ['status_green', 'green', 'absolute'], @@ -134,8 +220,8 @@ CHARTS = { ['status_yellow', 'yellow', 'absolute'] ]}, 'cluster_health_shards': { - 'options': [None, 'Shards statistics', 'shards', 'Cluster health API', - 'es.cluster_health_sharts', 'stacked'], + 'options': [None, 'Shards statistics', 'shards', 'cluster health API', + 'es.cluster_health_shards', 'stacked'], 'lines': [ ['health_active_shards', 'active_shards', 'absolute'], ['health_relocating_shards', 'relocating_shards', 'absolute'], @@ -145,8 +231,8 @@ CHARTS = { ['health_active_shards_percent_as_number', 'active_percent', 'absolute'] ]}, 'cluster_stats_nodes': { - 'options': [None, 'Nodes statistics', 'nodes', 'Cluster stats API', - 'es.cluster_stats_nodes', 'stacked'], + 'options': [None, 'Nodes statistics', 'nodes', 'cluster stats API', + 'es.cluster_nodes', 'stacked'], 'lines': [ ['count_data_only', 'data_only', 'absolute'], ['count_master_data', 'master_data', 'absolute'], @@ -155,47 +241,47 @@ CHARTS = { ['count_client', 'client', 'absolute'] ]}, 'cluster_stats_query_cache': { - 'options': [None, 'Query cache statistics', 'queries', 'Cluster stats API', - 'es.cluster_stats_query_cache', 'stacked'], + 'options': [None, 'Query cache statistics', 'queries', 'cluster stats API', + 'es.cluster_query_cache', 'stacked'], 'lines': [ ['query_cache_hit_count', 'hit', 'incremental'], ['query_cache_miss_count', 'miss', 'incremental'] ]}, 'cluster_stats_docs': { - 'options': [None, 'Docs statistics', 'count', 'Cluster stats API', - 'es.cluster_stats_docs', 'line'], + 'options': [None, 'Docs statistics', 'count', 'cluster stats API', + 'es.cluster_docs', 'line'], 'lines': [ ['docs_count', 'docs', 'absolute'] ]}, 'cluster_stats_store': { - 'options': [None, 'Store statistics', 'MB', 'Cluster stats API', - 'es.cluster_stats_store', 'line'], + 'options': [None, 'Store statistics', 'MB', 'cluster stats API', + 'es.cluster_store', 'line'], 'lines': [ ['store_size_in_bytes', 'size', 'absolute', 1, 1048567] ]}, 'cluster_stats_indices_shards': { - 'options': [None, 'Indices and shards statistics', 'count', 'Cluster stats API', - 'es.cluster_stats_ind_sha', 'stacked'], + 'options': [None, 'Indices and shards statistics', 'count', 'cluster stats API', + 'es.cluster_indices_shards', 'stacked'], 'lines': [ ['indices_count', 'indices', 'absolute'], ['shards_total', 'shards', 'absolute'] ]}, 'host_metrics_transport': { - 'options': [None, 'Cluster communication transport metrics', 'kbit/s', 'Host metrics', - 'es.host_metrics_transport', 'area'], + 'options': [None, 'Cluster communication transport metrics', 'kbit/s', 'host metrics', + 'es.host_transport', 'area'], 'lines': [ ['transport_rx_size_in_bytes', 'in', 'incremental', 8, 1000], ['transport_tx_size_in_bytes', 'out', 'incremental', -8, 1000] ]}, 'host_metrics_file_descriptors': { - 'options': [None, 'Available file descriptors in percent', 'percent', 'Host metrics', - 'es.host_metrics_descriptors', 'area'], + 'options': [None, 'Available file descriptors in percent', 'percent', 'host metrics', + 'es.host_descriptors', 'area'], 'lines': [ ['file_descriptors_used', 'used', 'absolute', 1, 10] ]}, 'host_metrics_http': { - 'options': [None, 'Opened HTTP connections', 'connections', 'Host metrics', - 'es.host_metrics_http', 'line'], + 'options': [None, 'Opened HTTP connections', 'connections', 'host metrics', + 'es.host_http_connections', 'line'], 'lines': [ ['http_current_open', 'opened', 'absolute', 1, 1] ]} @@ -208,78 +294,72 @@ class Service(UrlService): self.order = ORDER self.definitions = CHARTS self.host = self.configuration.get('host') - self.port = self.configuration.get('port') - self.user = self.configuration.get('user') - self.password = self.configuration.get('pass') + self.port = self.configuration.get('port', 9200) + self.scheme = self.configuration.get('scheme', 'http') self.latency = dict() + self.methods = list() def check(self): # We can't start if <host> AND <port> not specified - if not all([self.host, self.port]): + if not all([self.host, self.port, isinstance(self.host, str), isinstance(self.port, (str, int))]): + self.error('Host is not defined in the module configuration file') return False # It as a bad idea to use hostname. - # Hostname -> ipaddress + # Hostname -> ip address try: self.host = gethostbyname(self.host) - except Exception as e: - self.error(str(e)) + except gaierror as error: + self.error(str(error)) return False - # HTTP Auth? NOT TESTED - self.auth = self.user and self.password - + scheme = 'http' if self.scheme else 'https' + # Add handlers (auth, self signed cert accept) + self.url = '%s://%s:%s' % (scheme, self.host, self.port) + self._UrlService__add_openers() # Create URL for every Elasticsearch API - url_node_stats = 'http://%s:%s/_nodes/_local/stats' % (self.host, self.port) - url_cluster_health = 'http://%s:%s/_cluster/health' % (self.host, self.port) - url_cluster_stats = 'http://%s:%s/_cluster/stats' % (self.host, self.port) + url_node_stats = '%s://%s:%s/_nodes/_local/stats' % (scheme, self.host, self.port) + url_cluster_health = '%s://%s:%s/_cluster/health' % (scheme, self.host, self.port) + url_cluster_stats = '%s://%s:%s/_cluster/stats' % (scheme, self.host, self.port) # Create list of enabled API calls user_choice = [bool(self.configuration.get('node_stats', True)), bool(self.configuration.get('cluster_health', True)), bool(self.configuration.get('cluster_stats', True))] - - avail_methods = [(self._get_node_stats, url_node_stats), - (self._get_cluster_health, url_cluster_health), - (self._get_cluster_stats, url_cluster_stats)] + + avail_methods = [METHODS(get_data_function=self._get_node_stats_, url=url_node_stats), + METHODS(get_data_function=self._get_cluster_health_, url=url_cluster_health), + METHODS(get_data_function=self._get_cluster_stats_, url=url_cluster_stats)] # Remove disabled API calls from 'avail methods' - self.methods = [avail_methods[_] for _ in range(len(avail_methods)) if user_choice[_]] + self.methods = [avail_methods[e[0]] for e in enumerate(avail_methods) if user_choice[e[0]]] # Run _get_data for ALL active API calls. - api_result = {} + api_check_result = dict() + data_from_check = dict() for method in self.methods: - api_result[method[1]] = (bool(self._get_raw_data(method[1]))) + try: + api_check_result[method.url] = method.get_data_function(None, method.url) + data_from_check.update(api_check_result[method.url] or dict()) + except KeyError as error: + self.error('Failed to parse %s. Error: %s' % (method.url, str(error))) + return False # We can start ONLY if all active API calls returned NOT None - if not all(api_result.values()): + if not all(api_check_result.values()): self.error('Plugin could not get data from all APIs') - self.error('%s' % api_result) return False else: - self.info('%s' % api_result) - self.info('Plugin was started successfully') - + self._data_from_check = data_from_check return True - def _get_raw_data(self, url): - try: - if not self.auth: - raw_data = get(url) - else: - raw_data = get(url, auth=(self.user, self.password)) - except Exception: - return None - - return raw_data - def _get_data(self): threads = list() queue = Queue() result = dict() for method in self.methods: - th = Thread(target=method[0], args=(queue, method[1])) + th = Thread(target=method.get_data_function, args=(queue, method.url)) th.start() threads.append(th) @@ -289,102 +369,79 @@ class Service(UrlService): return result or None - def _get_cluster_health(self, queue, url): + def _get_cluster_health_(self, queue, url): """ Format data received from http request :return: dict """ - data = self._get_raw_data(url) + raw_data = self._get_raw_data(url) - if not data: - queue.put({}) + if not raw_data: + return queue.put(dict()) if queue else None else: - data = data.json() + data = loads(raw_data) + + to_netdata = fetch_data_(raw_data=data, metrics_list=HEALTH_STATS) - to_netdata = dict() - to_netdata.update(update_key('health', data)) to_netdata.update({'status_green': 0, 'status_red': 0, 'status_yellow': 0, 'status_foo1': 0, 'status_foo2': 0, 'status_foo3': 0}) - to_netdata[''.join(['status_', to_netdata.get('health_status', '')])] = 1 + current_status = 'status_' + data['status'] + to_netdata[current_status] = 1 - queue.put(to_netdata) + return queue.put(to_netdata) if queue else to_netdata - def _get_cluster_stats(self, queue, url): + def _get_cluster_stats_(self, queue, url): """ Format data received from http request :return: dict """ - data = self._get_raw_data(url) + raw_data = self._get_raw_data(url) - if not data: - queue.put({}) + if not raw_data: + return queue.put(dict()) if queue else None else: - data = data.json() + data = loads(raw_data) - to_netdata = dict() - to_netdata.update(update_key('count', data['nodes']['count'])) - to_netdata.update(update_key('query_cache', data['indices']['query_cache'])) - to_netdata.update(update_key('docs', data['indices']['docs'])) - to_netdata.update(update_key('store', data['indices']['store'])) - to_netdata['indices_count'] = data['indices']['count'] - to_netdata['shards_total'] = data['indices']['shards']['total'] + to_netdata = fetch_data_(raw_data=data, metrics_list=CLUSTER_STATS) - queue.put(to_netdata) + return queue.put(to_netdata) if queue else to_netdata - def _get_node_stats(self, queue, url): + def _get_node_stats_(self, queue, url): """ Format data received from http request :return: dict """ - data = self._get_raw_data(url) + raw_data = self._get_raw_data(url) - if not data: - queue.put({}) + if not raw_data: + return queue.put(dict()) if queue else None else: - data = data.json() + data = loads(raw_data) + node = list(data['nodes'].keys())[0] - to_netdata = dict() - # Search performance metrics - to_netdata.update(data['nodes'][node]['indices']['search']) - to_netdata['query_latency'] = self.find_avg(to_netdata['query_total'], - to_netdata['query_time_in_millis'], 'query_latency') - to_netdata['fetch_latency'] = self.find_avg(to_netdata['fetch_total'], - to_netdata['fetch_time_in_millis'], 'fetch_latency') - - # Indexing performance metrics - for key in ['indexing', 'refresh', 'flush']: - to_netdata.update(update_key(key, data['nodes'][node]['indices'].get(key, {}))) - to_netdata['indexing_latency'] = self.find_avg(to_netdata['indexing_index_total'], - to_netdata['indexing_index_time_in_millis'], 'index_latency') - to_netdata['flushing_latency'] = self.find_avg(to_netdata['flush_total'], - to_netdata['flush_total_time_in_millis'], 'flush_latency') - # Memory usage and garbage collection - to_netdata.update(update_key('young', data['nodes'][node]['jvm']['gc']['collectors']['young'])) - to_netdata.update(update_key('old', data['nodes'][node]['jvm']['gc']['collectors']['old'])) - to_netdata['jvm_heap_percent'] = data['nodes'][node]['jvm']['mem']['heap_used_percent'] - to_netdata['jvm_heap_commit'] = data['nodes'][node]['jvm']['mem']['heap_committed_in_bytes'] - - # Thread pool queues and rejections - for key in ['bulk', 'index', 'search', 'merge']: - to_netdata.update(update_key(key, data['nodes'][node]['thread_pool'].get(key, {}))) - - # Fielddata cache - to_netdata['index_fdata_mem'] = data['nodes'][node]['indices']['fielddata']['memory_size_in_bytes'] - to_netdata['index_fdata_evic'] = data['nodes'][node]['indices']['fielddata']['evictions'] - to_netdata['breakers_fdata_trip'] = data['nodes'][node]['breakers']['fielddata']['tripped'] - - # Host metrics - to_netdata.update(update_key('http', data['nodes'][node]['http'])) - to_netdata.update(update_key('transport', data['nodes'][node]['transport'])) - to_netdata['file_descriptors_used'] = round(float(data['nodes'][node]['process']['open_file_descriptors']) - / data['nodes'][node]['process']['max_file_descriptors'] * 1000) - - queue.put(to_netdata) - - def find_avg(self, value1, value2, key): + to_netdata = fetch_data_(raw_data=data['nodes'][node], metrics_list=NODE_STATS) + + # Search performance latency + to_netdata['query_latency'] = self.find_avg_(to_netdata['query_total'], + to_netdata['query_time_in_millis'], 'query_latency') + to_netdata['fetch_latency'] = self.find_avg_(to_netdata['fetch_total'], + to_netdata['fetch_time_in_millis'], 'fetch_latency') + + # Indexing performance latency + to_netdata['indexing_latency'] = self.find_avg_(to_netdata['indexing_index_total'], + to_netdata['indexing_index_time_in_millis'], 'index_latency') + to_netdata['flushing_latency'] = self.find_avg_(to_netdata['flush_total'], + to_netdata['flush_total_time_in_millis'], 'flush_latency') + + to_netdata['file_descriptors_used'] = round(float(to_netdata['open_file_descriptors']) + / to_netdata['max_file_descriptors'] * 1000) + + return queue.put(to_netdata) if queue else to_netdata + + def find_avg_(self, value1, value2, key): if key not in self.latency: self.latency.update({key: [value1, value2]}) return 0 @@ -398,5 +455,17 @@ class Service(UrlService): return 0 -def update_key(string, dictionary): - return {'_'.join([string, k]): v for k, v in dictionary.items()} +def fetch_data_(raw_data, metrics_list): + to_netdata = dict() + for metric, new_name, function in metrics_list: + value = raw_data + 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) + + return to_netdata + |