mirror of
https://github.com/netdata/netdata.git
synced 2025-04-12 08:48:12 +00:00
644 lines
25 KiB
Python
644 lines
25 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Description: elastic search node stats netdata python.d module
|
|
# Author: l2isbad
|
|
# 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_only',
|
|
'nodes.count.master_data',
|
|
'nodes.count.total',
|
|
'nodes.count.master_only',
|
|
'nodes.count.client',
|
|
'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_shards',
|
|
'cluster_stats_nodes',
|
|
'cluster_stats_query_cache',
|
|
'cluster_stats_docs',
|
|
'cluster_stats_store',
|
|
'cluster_stats_indices_shards',
|
|
]
|
|
|
|
CHARTS = {
|
|
'search_performance_total': {
|
|
'options': [None, 'Queries And Fetches', 'number of', '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', 'number of', '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', 'ms', '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', 'number of',
|
|
'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', 'ms', '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', 'count', 'translog',
|
|
'elastic.index_translog_operations', 'area'],
|
|
'lines': [
|
|
['indices_translog_operations', 'total', 'absolute'],
|
|
['indices_translog_uncommitted_operations', 'uncommited', 'absolute']
|
|
]
|
|
},
|
|
'index_translog_size': {
|
|
'options': [None, 'Translog Size', 'MB', 'translog',
|
|
'elastic.index_translog_size', 'area'],
|
|
'lines': [
|
|
['indices_translog_size_in_bytes', 'total', 'absolute', 1, 1048567],
|
|
['indices_translog_uncommitted_size_in_bytes', 'uncommited', 'absolute', 1, 1048567]
|
|
]
|
|
},
|
|
'index_segments_count': {
|
|
'options': [None, 'Total Number Of Indices Segments', 'count', 'indices segments',
|
|
'elastic.index_segments_count', 'line'],
|
|
'lines': [
|
|
['indices_segments_count', 'segments', 'absolute']
|
|
]
|
|
},
|
|
'index_segments_memory_writer': {
|
|
'options': [None, 'Index Writer Memory Usage', 'MB', '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', 'MB', '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', 'percent', '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', 'MB', 'memory usage and gc',
|
|
'elastic.jvm_heap_bytes', 'area'],
|
|
'lines': [
|
|
['jvm_mem_heap_committed_in_bytes', 'commited', 'absolute', 1, 1048576],
|
|
['jvm_mem_heap_used_in_bytes', 'used', 'absolute', 1, 1048576]
|
|
]
|
|
},
|
|
'jvm_buffer_pool_count': {
|
|
'options': [None, 'JVM Buffers', 'count', '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', 'MB', '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', 'MB', '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', 'counts', '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', 'ms', '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', 'MB', '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', 'number of events',
|
|
'fielddata cache', 'elastic.fielddata_evictions_tripped', 'line'],
|
|
'lines': [
|
|
['indices_fielddata_evictions', 'evictions', 'incremental'],
|
|
['indices_fielddata_tripped', 'tripped', 'incremental']
|
|
]
|
|
},
|
|
'cluster_health_nodes': {
|
|
'options': [None, 'Nodes And Tasks Statistics', 'units', 'cluster health API',
|
|
'elastic.cluster_health_nodes', 'stacked'],
|
|
'lines': [
|
|
['number_of_nodes', 'nodes', 'absolute'],
|
|
['number_of_data_nodes', 'data_nodes', 'absolute'],
|
|
['number_of_pending_tasks', 'pending_tasks', 'absolute'],
|
|
['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_foo1', None, 'absolute'],
|
|
['status_foo2', None, 'absolute'],
|
|
['status_foo3', None, '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', 'stacked'],
|
|
'lines': [
|
|
['nodes_count_data_only', 'data_only', 'absolute'],
|
|
['nodes_count_master_data', 'master_data', 'absolute'],
|
|
['nodes_count_total', 'total', 'absolute'],
|
|
['nodes_count_master_only', 'master_only', 'absolute'],
|
|
['nodes_count_client', 'client', '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', 'count', 'cluster stats API',
|
|
'elastic.cluster_docs', 'line'],
|
|
'lines': [
|
|
['indices_docs_count', 'docs', 'absolute']
|
|
]
|
|
},
|
|
'cluster_stats_store': {
|
|
'options': [None, 'Store Statistics', 'MB', 'cluster stats API',
|
|
'elastic.cluster_store', 'line'],
|
|
'lines': [
|
|
['indices_store_size_in_bytes', 'size', 'absolute', 1, 1048567]
|
|
]
|
|
},
|
|
'cluster_stats_indices_shards': {
|
|
'options': [None, 'Indices And Shards Statistics', 'count', 'cluster stats API',
|
|
'elastic.cluster_indices_shards', 'stacked'],
|
|
'lines': [
|
|
['indices_count', 'indices', 'absolute'],
|
|
['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', 'percent', '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]
|
|
]
|
|
}
|
|
}
|
|
|
|
|
|
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()
|
|
|
|
def check(self):
|
|
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
|
|
|
|
# Hostname -> ip address
|
|
try:
|
|
self.host = gethostbyname(self.host)
|
|
except gaierror as error:
|
|
self.error(str(error))
|
|
return False
|
|
|
|
# Create URL for every Elasticsearch API
|
|
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))]
|
|
|
|
# Remove disabled API calls from 'avail methods'
|
|
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.start()
|
|
threads.append(th)
|
|
|
|
for thread in threads:
|
|
thread.join()
|
|
result.update(queue.get())
|
|
|
|
return result or None
|
|
|
|
def _get_cluster_health(self, queue, url):
|
|
"""
|
|
Format data received from http request
|
|
:return: dict
|
|
"""
|
|
|
|
raw_data = self._get_raw_data(url)
|
|
|
|
if not raw_data:
|
|
return queue.put(dict())
|
|
|
|
data = self.json_reply(raw_data)
|
|
|
|
if not data:
|
|
return queue.put(dict())
|
|
|
|
to_netdata = fetch_data_(raw_data=data,
|
|
metrics=HEALTH_STATS)
|
|
|
|
to_netdata.update({'status_green': 0, 'status_red': 0, 'status_yellow': 0,
|
|
'status_foo1': 0, 'status_foo2': 0, 'status_foo3': 0})
|
|
current_status = 'status_' + data['status']
|
|
to_netdata[current_status] = 1
|
|
|
|
return queue.put(to_netdata)
|
|
|
|
def _get_cluster_stats(self, queue, url):
|
|
"""
|
|
Format data received from http request
|
|
:return: dict
|
|
"""
|
|
|
|
raw_data = self._get_raw_data(url)
|
|
|
|
if not raw_data:
|
|
return queue.put(dict())
|
|
|
|
data = self.json_reply(raw_data)
|
|
|
|
if not data:
|
|
return queue.put(dict())
|
|
|
|
to_netdata = fetch_data_(raw_data=data,
|
|
metrics=CLUSTER_STATS)
|
|
|
|
return queue.put(to_netdata)
|
|
|
|
def _get_node_stats(self, queue, url):
|
|
"""
|
|
Format data received from http request
|
|
:return: dict
|
|
"""
|
|
|
|
raw_data = self._get_raw_data(url)
|
|
|
|
if not raw_data:
|
|
return queue.put(dict())
|
|
|
|
data = self.json_reply(raw_data)
|
|
|
|
if not data:
|
|
return queue.put(dict())
|
|
|
|
node = list(data['nodes'].keys())[0]
|
|
to_netdata = fetch_data_(raw_data=data['nodes'][node],
|
|
metrics=NODE_STATS)
|
|
|
|
# Search, index, flush, fetch performance latency
|
|
for key in LATENCY:
|
|
try:
|
|
to_netdata[key] = self.find_avg(total=to_netdata[LATENCY[key]['total']],
|
|
spent_time=to_netdata[LATENCY[key]['spent_time']],
|
|
key=key)
|
|
except KeyError:
|
|
continue
|
|
if 'process_open_file_descriptors' in to_netdata and 'process_max_file_descriptors' in to_netdata:
|
|
to_netdata['file_descriptors_used'] = round(float(to_netdata['process_open_file_descriptors'])
|
|
/ to_netdata['process_max_file_descriptors'] * 1000)
|
|
|
|
return queue.put(to_netdata)
|
|
|
|
def json_reply(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:
|
|
latency = float(spent_time - self.latency[key]['spent_time'])\
|
|
/ float(total - self.latency[key]['total']) * 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:
|
|
continue
|
|
data['_'.join(metrics_list)] = value
|
|
return data
|