diff options
Diffstat (limited to 'collectors/python.d.plugin/elasticsearch/elasticsearch.chart.py')
| -rw-r--r-- | collectors/python.d.plugin/elasticsearch/elasticsearch.chart.py | 774 |
1 files changed, 774 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/elasticsearch/elasticsearch.chart.py b/collectors/python.d.plugin/elasticsearch/elasticsearch.chart.py new file mode 100644 index 0000000..dddf50b --- /dev/null +++ b/collectors/python.d.plugin/elasticsearch/elasticsearch.chart.py @@ -0,0 +1,774 @@ +# -*- coding: utf-8 -*- +# Description: elastic search node stats netdata python.d module +# Author: ilyam8 +# SPDX-License-Identifier: GPL-3.0-or-later + +import json +import threading + +from collections import namedtuple +from socket import gethostbyname, gaierror + +try: + from queue import Queue +except ImportError: + from Queue import Queue + +from bases.FrameworkServices.UrlService import UrlService + +# default module values (can be overridden per job in `config`) +update_every = 5 + +METHODS = namedtuple('METHODS', ['get_data', 'url', 'run']) + +NODE_STATS = [ + 'indices.search.fetch_current', + 'indices.search.fetch_total', + 'indices.search.query_current', + 'indices.search.query_total', + 'indices.search.query_time_in_millis', + 'indices.search.fetch_time_in_millis', + 'indices.indexing.index_total', + 'indices.indexing.index_current', + 'indices.indexing.index_time_in_millis', + 'indices.refresh.total', + 'indices.refresh.total_time_in_millis', + 'indices.flush.total', + 'indices.flush.total_time_in_millis', + 'indices.translog.operations', + 'indices.translog.size_in_bytes', + 'indices.translog.uncommitted_operations', + 'indices.translog.uncommitted_size_in_bytes', + 'indices.segments.count', + 'indices.segments.terms_memory_in_bytes', + 'indices.segments.stored_fields_memory_in_bytes', + 'indices.segments.term_vectors_memory_in_bytes', + 'indices.segments.norms_memory_in_bytes', + 'indices.segments.points_memory_in_bytes', + 'indices.segments.doc_values_memory_in_bytes', + 'indices.segments.index_writer_memory_in_bytes', + 'indices.segments.version_map_memory_in_bytes', + 'indices.segments.fixed_bit_set_memory_in_bytes', + 'jvm.gc.collectors.young.collection_count', + 'jvm.gc.collectors.old.collection_count', + 'jvm.gc.collectors.young.collection_time_in_millis', + 'jvm.gc.collectors.old.collection_time_in_millis', + 'jvm.mem.heap_used_percent', + 'jvm.mem.heap_used_in_bytes', + 'jvm.mem.heap_committed_in_bytes', + 'jvm.buffer_pools.direct.count', + 'jvm.buffer_pools.direct.used_in_bytes', + 'jvm.buffer_pools.direct.total_capacity_in_bytes', + 'jvm.buffer_pools.mapped.count', + 'jvm.buffer_pools.mapped.used_in_bytes', + 'jvm.buffer_pools.mapped.total_capacity_in_bytes', + 'thread_pool.bulk.queue', + 'thread_pool.bulk.rejected', + 'thread_pool.write.queue', + 'thread_pool.write.rejected', + 'thread_pool.index.queue', + 'thread_pool.index.rejected', + 'thread_pool.search.queue', + 'thread_pool.search.rejected', + 'thread_pool.merge.queue', + 'thread_pool.merge.rejected', + 'indices.fielddata.memory_size_in_bytes', + 'indices.fielddata.evictions', + 'breakers.fielddata.tripped', + 'http.current_open', + 'transport.rx_size_in_bytes', + 'transport.tx_size_in_bytes', + 'process.max_file_descriptors', + 'process.open_file_descriptors' +] + +CLUSTER_STATS = [ + 'nodes.count.data', + 'nodes.count.master', + 'nodes.count.total', + 'nodes.count.coordinating_only', + 'nodes.count.ingest', + 'indices.docs.count', + 'indices.query_cache.hit_count', + 'indices.query_cache.miss_count', + 'indices.store.size_in_bytes', + 'indices.count', + 'indices.shards.total' +] + +HEALTH_STATS = [ + 'number_of_nodes', + 'number_of_data_nodes', + 'number_of_pending_tasks', + 'number_of_in_flight_fetch', + 'active_shards', + 'relocating_shards', + 'unassigned_shards', + 'delayed_unassigned_shards', + 'initializing_shards', + 'active_shards_percent_as_number' +] + +LATENCY = { + 'query_latency': { + 'total': 'indices_search_query_total', + 'spent_time': 'indices_search_query_time_in_millis' + }, + 'fetch_latency': { + 'total': 'indices_search_fetch_total', + 'spent_time': 'indices_search_fetch_time_in_millis' + }, + 'indexing_latency': { + 'total': 'indices_indexing_index_total', + 'spent_time': 'indices_indexing_index_time_in_millis' + }, + 'flushing_latency': { + 'total': 'indices_flush_total', + 'spent_time': 'indices_flush_total_time_in_millis' + } +} + +# charts order (can be overridden if you want less charts, or different order) +ORDER = [ + 'search_performance_total', + 'search_performance_current', + 'search_performance_time', + 'search_latency', + 'index_performance_total', + 'index_performance_current', + 'index_performance_time', + 'index_latency', + 'index_translog_operations', + 'index_translog_size', + 'index_segments_count', + 'index_segments_memory_writer', + 'index_segments_memory', + 'jvm_mem_heap', + 'jvm_mem_heap_bytes', + 'jvm_buffer_pool_count', + 'jvm_direct_buffers_memory', + 'jvm_mapped_buffers_memory', + 'jvm_gc_count', + 'jvm_gc_time', + 'host_metrics_file_descriptors', + 'host_metrics_http', + 'host_metrics_transport', + 'thread_pool_queued', + 'thread_pool_rejected', + 'fielddata_cache', + 'fielddata_evictions_tripped', + 'cluster_health_status', + 'cluster_health_nodes', + 'cluster_health_pending_tasks', + 'cluster_health_flight_fetch', + 'cluster_health_shards', + 'cluster_stats_nodes', + 'cluster_stats_query_cache', + 'cluster_stats_docs', + 'cluster_stats_store', + 'cluster_stats_indices', + 'cluster_stats_shards_total', + 'index_docs_count', + 'index_store_size', + 'index_replica', + 'index_health', +] + +CHARTS = { + 'search_performance_total': { + 'options': [None, 'Queries And Fetches', 'events/s', 'search performance', + 'elastic.search_performance_total', 'stacked'], + 'lines': [ + ['indices_search_query_total', 'queries', 'incremental'], + ['indices_search_fetch_total', 'fetches', 'incremental'] + ] + }, + 'search_performance_current': { + 'options': [None, 'Queries and Fetches In Progress', 'events', 'search performance', + 'elastic.search_performance_current', 'stacked'], + 'lines': [ + ['indices_search_query_current', 'queries', 'absolute'], + ['indices_search_fetch_current', 'fetches', 'absolute'] + ] + }, + 'search_performance_time': { + 'options': [None, 'Time Spent On Queries And Fetches', 'seconds', 'search performance', + 'elastic.search_performance_time', 'stacked'], + 'lines': [ + ['indices_search_query_time_in_millis', 'query', 'incremental', 1, 1000], + ['indices_search_fetch_time_in_millis', 'fetch', 'incremental', 1, 1000] + ] + }, + 'search_latency': { + 'options': [None, 'Query And Fetch Latency', 'milliseconds', 'search performance', 'elastic.search_latency', + 'stacked'], + 'lines': [ + ['query_latency', 'query', 'absolute', 1, 1000], + ['fetch_latency', 'fetch', 'absolute', 1, 1000] + ] + }, + 'index_performance_total': { + 'options': [None, 'Indexed Documents, Index Refreshes, Index Flushes To Disk', 'events/s', + 'indexing performance', 'elastic.index_performance_total', 'stacked'], + 'lines': [ + ['indices_indexing_index_total', 'indexed', 'incremental'], + ['indices_refresh_total', 'refreshes', 'incremental'], + ['indices_flush_total', 'flushes', 'incremental'] + ] + }, + 'index_performance_current': { + 'options': [None, 'Number Of Documents Currently Being Indexed', 'currently indexed', + 'indexing performance', 'elastic.index_performance_current', 'stacked'], + 'lines': [ + ['indices_indexing_index_current', 'documents', 'absolute'] + ] + }, + 'index_performance_time': { + 'options': [None, 'Time Spent On Indexing, Refreshing, Flushing', 'seconds', 'indexing performance', + 'elastic.index_performance_time', 'stacked'], + 'lines': [ + ['indices_indexing_index_time_in_millis', 'indexing', 'incremental', 1, 1000], + ['indices_refresh_total_time_in_millis', 'refreshing', 'incremental', 1, 1000], + ['indices_flush_total_time_in_millis', 'flushing', 'incremental', 1, 1000] + ] + }, + 'index_latency': { + 'options': [None, 'Indexing And Flushing Latency', 'milliseconds', 'indexing performance', + 'elastic.index_latency', 'stacked'], + 'lines': [ + ['indexing_latency', 'indexing', 'absolute', 1, 1000], + ['flushing_latency', 'flushing', 'absolute', 1, 1000] + ] + }, + 'index_translog_operations': { + 'options': [None, 'Translog Operations', 'operations', 'translog', + 'elastic.index_translog_operations', 'area'], + 'lines': [ + ['indices_translog_operations', 'total', 'absolute'], + ['indices_translog_uncommitted_operations', 'uncommitted', 'absolute'] + ] + }, + 'index_translog_size': { + 'options': [None, 'Translog Size', 'MiB', 'translog', + 'elastic.index_translog_size', 'area'], + 'lines': [ + ['indices_translog_size_in_bytes', 'total', 'absolute', 1, 1048567], + ['indices_translog_uncommitted_size_in_bytes', 'uncommitted', 'absolute', 1, 1048567] + ] + }, + 'index_segments_count': { + 'options': [None, 'Total Number Of Indices Segments', 'segments', 'indices segments', + 'elastic.index_segments_count', 'line'], + 'lines': [ + ['indices_segments_count', 'segments', 'absolute'] + ] + }, + 'index_segments_memory_writer': { + 'options': [None, 'Index Writer Memory Usage', 'MiB', 'indices segments', + 'elastic.index_segments_memory_writer', 'area'], + 'lines': [ + ['indices_segments_index_writer_memory_in_bytes', 'total', 'absolute', 1, 1048567] + ] + }, + 'index_segments_memory': { + 'options': [None, 'Indices Segments Memory Usage', 'MiB', 'indices segments', + 'elastic.index_segments_memory', 'stacked'], + 'lines': [ + ['indices_segments_terms_memory_in_bytes', 'terms', 'absolute', 1, 1048567], + ['indices_segments_stored_fields_memory_in_bytes', 'stored fields', 'absolute', 1, 1048567], + ['indices_segments_term_vectors_memory_in_bytes', 'term vectors', 'absolute', 1, 1048567], + ['indices_segments_norms_memory_in_bytes', 'norms', 'absolute', 1, 1048567], + ['indices_segments_points_memory_in_bytes', 'points', 'absolute', 1, 1048567], + ['indices_segments_doc_values_memory_in_bytes', 'doc values', 'absolute', 1, 1048567], + ['indices_segments_version_map_memory_in_bytes', 'version map', 'absolute', 1, 1048567], + ['indices_segments_fixed_bit_set_memory_in_bytes', 'fixed bit set', 'absolute', 1, 1048567] + ] + }, + 'jvm_mem_heap': { + 'options': [None, 'JVM Heap Percentage Currently in Use', 'percentage', 'memory usage and gc', + 'elastic.jvm_heap', 'area'], + 'lines': [ + ['jvm_mem_heap_used_percent', 'inuse', 'absolute'] + ] + }, + 'jvm_mem_heap_bytes': { + 'options': [None, 'JVM Heap Commit And Usage', 'MiB', 'memory usage and gc', + 'elastic.jvm_heap_bytes', 'area'], + 'lines': [ + ['jvm_mem_heap_committed_in_bytes', 'committed', 'absolute', 1, 1048576], + ['jvm_mem_heap_used_in_bytes', 'used', 'absolute', 1, 1048576] + ] + }, + 'jvm_buffer_pool_count': { + 'options': [None, 'JVM Buffers', 'pools', 'memory usage and gc', + 'elastic.jvm_buffer_pool_count', 'line'], + 'lines': [ + ['jvm_buffer_pools_direct_count', 'direct', 'absolute'], + ['jvm_buffer_pools_mapped_count', 'mapped', 'absolute'] + ] + }, + 'jvm_direct_buffers_memory': { + 'options': [None, 'JVM Direct Buffers Memory', 'MiB', 'memory usage and gc', + 'elastic.jvm_direct_buffers_memory', 'area'], + 'lines': [ + ['jvm_buffer_pools_direct_used_in_bytes', 'used', 'absolute', 1, 1048567], + ['jvm_buffer_pools_direct_total_capacity_in_bytes', 'total capacity', 'absolute', 1, 1048567] + ] + }, + 'jvm_mapped_buffers_memory': { + 'options': [None, 'JVM Mapped Buffers Memory', 'MiB', 'memory usage and gc', + 'elastic.jvm_mapped_buffers_memory', 'area'], + 'lines': [ + ['jvm_buffer_pools_mapped_used_in_bytes', 'used', 'absolute', 1, 1048567], + ['jvm_buffer_pools_mapped_total_capacity_in_bytes', 'total capacity', 'absolute', 1, 1048567] + ] + }, + 'jvm_gc_count': { + 'options': [None, 'Garbage Collections', 'events/s', 'memory usage and gc', 'elastic.gc_count', 'stacked'], + 'lines': [ + ['jvm_gc_collectors_young_collection_count', 'young', 'incremental'], + ['jvm_gc_collectors_old_collection_count', 'old', 'incremental'] + ] + }, + 'jvm_gc_time': { + 'options': [None, 'Time Spent On Garbage Collections', 'milliseconds', 'memory usage and gc', + 'elastic.gc_time', 'stacked'], + 'lines': [ + ['jvm_gc_collectors_young_collection_time_in_millis', 'young', 'incremental'], + ['jvm_gc_collectors_old_collection_time_in_millis', 'old', 'incremental'] + ] + }, + 'thread_pool_queued': { + 'options': [None, 'Number Of Queued Threads In Thread Pool', 'queued threads', 'queues and rejections', + 'elastic.thread_pool_queued', 'stacked'], + 'lines': [ + ['thread_pool_bulk_queue', 'bulk', 'absolute'], + ['thread_pool_write_queue', 'write', 'absolute'], + ['thread_pool_index_queue', 'index', 'absolute'], + ['thread_pool_search_queue', 'search', 'absolute'], + ['thread_pool_merge_queue', 'merge', 'absolute'] + ] + }, + 'thread_pool_rejected': { + 'options': [None, 'Rejected Threads In Thread Pool', 'rejected threads', 'queues and rejections', + 'elastic.thread_pool_rejected', 'stacked'], + 'lines': [ + ['thread_pool_bulk_rejected', 'bulk', 'absolute'], + ['thread_pool_write_rejected', 'write', 'absolute'], + ['thread_pool_index_rejected', 'index', 'absolute'], + ['thread_pool_search_rejected', 'search', 'absolute'], + ['thread_pool_merge_rejected', 'merge', 'absolute'] + ] + }, + 'fielddata_cache': { + 'options': [None, 'Fielddata Cache', 'MiB', 'fielddata cache', 'elastic.fielddata_cache', 'line'], + 'lines': [ + ['indices_fielddata_memory_size_in_bytes', 'cache', 'absolute', 1, 1048576] + ] + }, + 'fielddata_evictions_tripped': { + 'options': [None, 'Fielddata Evictions And Circuit Breaker Tripped Count', 'events/s', + 'fielddata cache', 'elastic.fielddata_evictions_tripped', 'line'], + 'lines': [ + ['indices_fielddata_evictions', 'evictions', 'incremental'], + ['indices_fielddata_tripped', 'tripped', 'incremental'] + ] + }, + 'cluster_health_nodes': { + 'options': [None, 'Nodes Statistics', 'nodes', 'cluster health API', + 'elastic.cluster_health_nodes', 'area'], + 'lines': [ + ['number_of_nodes', 'nodes', 'absolute'], + ['number_of_data_nodes', 'data_nodes', 'absolute'], + ] + }, + 'cluster_health_pending_tasks': { + 'options': [None, 'Tasks Statistics', 'tasks', 'cluster health API', + 'elastic.cluster_health_pending_tasks', 'line'], + 'lines': [ + ['number_of_pending_tasks', 'pending_tasks', 'absolute'], + ] + }, + 'cluster_health_flight_fetch': { + 'options': [None, 'In Flight Fetches Statistics', 'fetches', 'cluster health API', + 'elastic.cluster_health_flight_fetch', 'line'], + 'lines': [ + ['number_of_in_flight_fetch', 'in_flight_fetch', 'absolute'] + ] + }, + 'cluster_health_status': { + 'options': [None, 'Cluster Status', 'status', 'cluster health API', + 'elastic.cluster_health_status', 'area'], + 'lines': [ + ['status_green', 'green', 'absolute'], + ['status_red', 'red', 'absolute'], + ['status_yellow', 'yellow', 'absolute'] + ] + }, + 'cluster_health_shards': { + 'options': [None, 'Shards Statistics', 'shards', 'cluster health API', + 'elastic.cluster_health_shards', 'stacked'], + 'lines': [ + ['active_shards', 'active_shards', 'absolute'], + ['relocating_shards', 'relocating_shards', 'absolute'], + ['unassigned_shards', 'unassigned', 'absolute'], + ['delayed_unassigned_shards', 'delayed_unassigned', 'absolute'], + ['initializing_shards', 'initializing', 'absolute'], + ['active_shards_percent_as_number', 'active_percent', 'absolute'] + ] + }, + 'cluster_stats_nodes': { + 'options': [None, 'Nodes Statistics', 'nodes', 'cluster stats API', + 'elastic.cluster_nodes', 'area'], + 'lines': [ + ['nodes_count_data', 'data', 'absolute'], + ['nodes_count_master', 'master', 'absolute'], + ['nodes_count_total', 'total', 'absolute'], + ['nodes_count_ingest', 'ingest', 'absolute'], + ['nodes_count_coordinating_only', 'coordinating_only', 'absolute'] + ] + }, + 'cluster_stats_query_cache': { + 'options': [None, 'Query Cache Statistics', 'queries', 'cluster stats API', + 'elastic.cluster_query_cache', 'stacked'], + 'lines': [ + ['indices_query_cache_hit_count', 'hit', 'incremental'], + ['indices_query_cache_miss_count', 'miss', 'incremental'] + ] + }, + 'cluster_stats_docs': { + 'options': [None, 'Docs Statistics', 'docs', 'cluster stats API', + 'elastic.cluster_docs', 'line'], + 'lines': [ + ['indices_docs_count', 'docs', 'absolute'] + ] + }, + 'cluster_stats_store': { + 'options': [None, 'Store Statistics', 'MiB', 'cluster stats API', + 'elastic.cluster_store', 'line'], + 'lines': [ + ['indices_store_size_in_bytes', 'size', 'absolute', 1, 1048567] + ] + }, + 'cluster_stats_indices': { + 'options': [None, 'Indices Statistics', 'indices', 'cluster stats API', + 'elastic.cluster_indices', 'line'], + 'lines': [ + ['indices_count', 'indices', 'absolute'], + ] + }, + 'cluster_stats_shards_total': { + 'options': [None, 'Total Shards Statistics', 'shards', 'cluster stats API', + 'elastic.cluster_shards_total', 'line'], + 'lines': [ + ['indices_shards_total', 'shards', 'absolute'] + ] + }, + 'host_metrics_transport': { + 'options': [None, 'Cluster Communication Transport Metrics', 'kilobit/s', 'host metrics', + 'elastic.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', 'percentage', 'host metrics', + 'elastic.host_descriptors', 'area'], + 'lines': [ + ['file_descriptors_used', 'used', 'absolute', 1, 10] + ] + }, + 'host_metrics_http': { + 'options': [None, 'Opened HTTP Connections', 'connections', 'host metrics', + 'elastic.host_http_connections', 'line'], + 'lines': [ + ['http_current_open', 'opened', 'absolute', 1, 1] + ] + }, + 'index_docs_count': { + 'options': [None, 'Docs Count', 'count', 'indices', 'elastic.index_docs', 'line'], + 'lines': [] + }, + 'index_store_size': { + 'options': [None, 'Store Size', 'bytes', 'indices', 'elastic.index_store_size', 'line'], + 'lines': [] + }, + 'index_replica': { + 'options': [None, 'Replica', 'count', 'indices', 'elastic.index_replica', 'line'], + 'lines': [] + }, + 'index_health': { + 'options': [None, 'Health', 'status', 'indices', 'elastic.index_health', 'line'], + 'lines': [] + }, +} + + +def convert_index_store_size_to_bytes(size): + # can be b, kb, mb, gb + if size.endswith('kb'): + return round(float(size[:-2]) * 1024) + elif size.endswith('mb'): + return round(float(size[:-2]) * 1024 * 1024) + elif size.endswith('gb'): + return round(float(size[:-2]) * 1024 * 1024 * 1024) + elif size.endswith('tb'): + return round(float(size[:-2]) * 1024 * 1024 * 1024 * 1024) + elif size.endswith('b'): + return round(float(size[:-1])) + return -1 + + +def convert_index_health(health): + if health == 'green': + return 0 + elif health == 'yellow': + return 1 + elif health == 'read': + return 2 + return -1 + + +def get_survive_any(method): + def w(*args): + try: + method(*args) + except Exception as error: + self, queue, url = args[0], args[1], args[2] + self.error("error during '{0}' : {1}".format(url, error)) + queue.put(dict()) + + return w + + +class Service(UrlService): + def __init__(self, configuration=None, name=None): + UrlService.__init__(self, configuration=configuration, name=name) + self.order = ORDER + self.definitions = CHARTS + self.host = self.configuration.get('host') + self.port = self.configuration.get('port', 9200) + self.url = '{scheme}://{host}:{port}'.format( + scheme=self.configuration.get('scheme', 'http'), + host=self.host, + port=self.port, + ) + self.latency = dict() + self.methods = list() + self.collected_indices = set() + + def check(self): + if not self.host: + self.error('Host is not defined in the module configuration file') + return False + + try: + self.host = gethostbyname(self.host) + except gaierror as error: + self.error(repr(error)) + return False + + self.methods = [ + METHODS( + get_data=self._get_node_stats, + url=self.url + '/_nodes/_local/stats', + run=self.configuration.get('node_stats', True), + ), + METHODS( + get_data=self._get_cluster_health, + url=self.url + '/_cluster/health', + run=self.configuration.get('cluster_health', True) + ), + METHODS( + get_data=self._get_cluster_stats, + url=self.url + '/_cluster/stats', + run=self.configuration.get('cluster_stats', True), + ), + METHODS( + get_data=self._get_indices, + url=self.url + '/_cat/indices?format=json', + run=self.configuration.get('indices_stats', False), + ), + ] + return UrlService.check(self) + + def _get_data(self): + threads = list() + queue = Queue() + result = dict() + + for method in self.methods: + if not method.run: + continue + th = threading.Thread( + target=method.get_data, + args=(queue, method.url), + ) + th.daemon = True + th.start() + threads.append(th) + + for thread in threads: + thread.join() + result.update(queue.get()) + + return result or None + + def add_index_to_charts(self, idx_name): + for name in ('index_docs_count', 'index_store_size', 'index_replica', 'index_health'): + chart = self.charts[name] + dim = ['{0}_{1}'.format(idx_name, name), idx_name] + chart.add_dimension(dim) + + @get_survive_any + def _get_indices(self, queue, url): + # [ + # { + # "pri.store.size": "650b", + # "health": "yellow", + # "status": "open", + # "index": "twitter", + # "pri": "5", + # "rep": "1", + # "docs.count": "10", + # "docs.deleted": "3", + # "store.size": "650b" + # } + # ] + raw_data = self._get_raw_data(url) + if not raw_data: + return queue.put(dict()) + + indices = self.json_parse(raw_data) + if not indices: + return queue.put(dict()) + + charts_initialized = len(self.charts) != 0 + data = dict() + for idx in indices: + try: + name = idx['index'] + is_system_index = name.startswith('.') + if is_system_index: + continue + + v = { + '{0}_index_docs_count'.format(name): idx['docs.count'], + '{0}_index_replica'.format(name): idx['rep'], + '{0}_index_health'.format(name): convert_index_health(idx['health']), + } + size = convert_index_store_size_to_bytes(idx['store.size']) + if size != -1: + v['{0}_index_store_size'.format(name)] = size + except KeyError as error: + self.debug("error on parsing index : {0}".format(repr(error))) + continue + + data.update(v) + if name not in self.collected_indices and charts_initialized: + self.collected_indices.add(name) + self.add_index_to_charts(name) + + return queue.put(data) + + @get_survive_any + def _get_cluster_health(self, queue, url): + raw = self._get_raw_data(url) + if not raw: + return queue.put(dict()) + + parsed = self.json_parse(raw) + if not parsed: + return queue.put(dict()) + + data = fetch_data(raw_data=parsed, metrics=HEALTH_STATS) + dummy = { + 'status_green': 0, + 'status_red': 0, + 'status_yellow': 0, + } + data.update(dummy) + current_status = 'status_' + parsed['status'] + data[current_status] = 1 + + return queue.put(data) + + @get_survive_any + def _get_cluster_stats(self, queue, url): + raw = self._get_raw_data(url) + if not raw: + return queue.put(dict()) + + parsed = self.json_parse(raw) + if not parsed: + return queue.put(dict()) + + data = fetch_data(raw_data=parsed, metrics=CLUSTER_STATS) + + return queue.put(data) + + @get_survive_any + def _get_node_stats(self, queue, url): + raw = self._get_raw_data(url) + if not raw: + return queue.put(dict()) + + parsed = self.json_parse(raw) + if not parsed: + return queue.put(dict()) + + node = list(parsed['nodes'].keys())[0] + data = fetch_data(raw_data=parsed['nodes'][node], metrics=NODE_STATS) + + # Search, index, flush, fetch performance latency + for key in LATENCY: + try: + data[key] = self.find_avg( + total=data[LATENCY[key]['total']], + spent_time=data[LATENCY[key]['spent_time']], + key=key) + except KeyError: + continue + if 'process_open_file_descriptors' in data and 'process_max_file_descriptors' in data: + v = float(data['process_open_file_descriptors']) / data['process_max_file_descriptors'] * 1000 + data['file_descriptors_used'] = round(v) + + return queue.put(data) + + def json_parse(self, reply): + try: + return json.loads(reply) + except ValueError as err: + self.error(err) + return None + + def find_avg(self, total, spent_time, key): + if key not in self.latency: + self.latency[key] = dict(total=total, spent_time=spent_time) + return 0 + + if self.latency[key]['total'] != total: + spent_diff = spent_time - self.latency[key]['spent_time'] + total_diff = total - self.latency[key]['total'] + latency = float(spent_diff) / float(total_diff) * 1000 + self.latency[key]['total'] = total + self.latency[key]['spent_time'] = spent_time + return latency + + self.latency[key]['spent_time'] = spent_time + return 0 + + +def fetch_data(raw_data, metrics): + data = dict() + for metric in metrics: + value = raw_data + metrics_list = metric.split('.') + try: + for m in metrics_list: + value = value[m] + except (KeyError, TypeError): + continue + data['_'.join(metrics_list)] = value + return data |