Class: ESMonitor
- Inherits:
-
Rubix::ClusterMonitor
- Object
- Rubix::Monitor
- Rubix::ChefMonitor
- Rubix::ClusterMonitor
- ESMonitor
- Defined in:
- lib/rubix/examples/es_monitor.rb
Constant Summary collapse
- HOSTGROUP =
Hostgroup for any hosts that needs to be created.
'Elasticsearch clusters'
- CLUSTER_TEMPLATES =
Templates for any hosts that need to be created.
'Template_Elasticsearch_Cluster'
- NODE_TEMPLATES =
'Template_Elasticsearch_Node'
Instance Attribute Summary
Attributes inherited from Rubix::ClusterMonitor
#nodes_by_cluster, #private_ips_by_cluster
Attributes inherited from Rubix::Monitor
Instance Method Summary collapse
- #es_url(private_ip, *args) ⇒ Object
- #measure_cluster(cluster_name) ⇒ Object
-
#measure_cluster_health(cluster_name, private_ip) ⇒ Object
Measure the cluster health metrics – /_cluster/health.
- #measure_cluster_indices(cluster_name, private_ip) ⇒ Object
- #measure_cluster_nodes(cluster_name, private_ip) ⇒ Object
- #node_query ⇒ Object
Methods inherited from Rubix::ClusterMonitor
#clusters, #group_nodes_by_cluster, #initialize, #matching_chef_nodes, #measure
Methods inherited from Rubix::ChefMonitor
#chef_node_from_node_name, #chef_node_name_from_ip, default_settings, #initialize, #search_nodes, #set_chef_credentials
Methods inherited from Rubix::Monitor
#close, default_settings, #fifo?, #file?, #initialize, #loop?, #loop_period, #measure, #output, #output_path, #run, run, #stdout?, #write
Constructor Details
This class inherits a constructor from Rubix::ClusterMonitor
Instance Method Details
#es_url(private_ip, *args) ⇒ Object
22 23 24 |
# File 'lib/rubix/examples/es_monitor.rb', line 22 def es_url private_ip, *args "http://" + File.join(private_ip + ":9200", *args) end |
#measure_cluster(cluster_name) ⇒ Object
26 27 28 29 30 31 32 33 34 35 36 |
# File 'lib/rubix/examples/es_monitor.rb', line 26 def measure_cluster cluster_name measured_cluster_health = false measured_cluster_indices = false measured_cluster_nodes = false private_ips_by_cluster[cluster_name].each do |private_ip| measured_cluster_health = measure_cluster_health(cluster_name, private_ip) unless measured_cluster_health measured_cluster_indices = measure_cluster_indices(cluster_name, private_ip) unless measured_cluster_indices measured_cluster_nodes = measure_cluster_nodes(cluster_name, private_ip) unless measured_cluster_nodes break if measured_cluster_health && measured_cluster_indices && measured_cluster_nodes end end |
#measure_cluster_health(cluster_name, private_ip) ⇒ Object
Measure the cluster health metrics – /_cluster/health
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
# File 'lib/rubix/examples/es_monitor.rb', line 39 def measure_cluster_health cluster_name, private_ip begin cluster_health = JSON.parse(open(es_url(private_ip, '_cluster', 'health')).read) rescue SocketError, OpenURI::HTTPError, JSON::ParserError, Errno::ECONNREFUSED => e # This node may not be running a webnode... return false end write({ :hostname => "#{cluster_name}-elasticsearch", :application => "_cluster", :templates => self.class::CLUSTER_TEMPLATES, :hostgroup => self.class::HOSTGROUP }) do |d| d << ['status', cluster_health['status'] ] d << ['nodes.total', cluster_health['number_of_nodes'] ] d << ['nodes.data', cluster_health['number_of_data_nodes'] ] d << ['shards.active', cluster_health['active_shards'] ] d << ['shards.relocating', cluster_health['relocating_shards'] ] d << ['shards.unassigned', cluster_health['unassigned_shards'] ] d << ['shards.initializing', cluster_health['initializing_shards'] ] end true end |
#measure_cluster_indices(cluster_name, private_ip) ⇒ Object
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
# File 'lib/rubix/examples/es_monitor.rb', line 63 def measure_cluster_indices cluster_name, private_ip begin index_data = JSON.parse(open(es_url(private_ip, '_status')).read) rescue SocketError, OpenURI::HTTPError, JSON::ParserError, Errno::ECONNREFUSED => e # This node may not be running a webnode... return false end index_data['indices'].each_pair do |index_name, index_data| write({ :hostname => "#{cluster_name}-elasticsearch", :appliation => index_name, :templates => self.class::CLUSTER_TEMPLATES, :hostgroup => self.class::HOSTGROUP }) do |d| d << ["#{index_name}.size", index_data["index"]["size_in_bytes"] ] d << ["#{index_name}.docs.num", index_data["docs"]["num_docs"] ] d << ["#{index_name}.docs.max", index_data["docs"]["max_doc"] ] d << ["#{index_name}.docs.deleted", index_data["docs"]["deleted_docs"] ] d << ["#{index_name}.operations", index_data["translog"]["operations"] ] d << ["#{index_name}.merges.total", index_data["merges"]["total"] ] d << ["#{index_name}.merges.current", index_data["merges"]["current"] ] end end true end |
#measure_cluster_nodes(cluster_name, private_ip) ⇒ Object
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
# File 'lib/rubix/examples/es_monitor.rb', line 89 def measure_cluster_nodes cluster_name, private_ip begin nodes_data = JSON.parse(open(es_url(private_ip, '_cluster', 'nodes')).read) nodes_stats_data = JSON.parse(open(es_url(private_ip, '_cluster', 'nodes', 'stats')).read) rescue SocketError, OpenURI::HTTPError, JSON::ParserError, Errno::ECONNREFUSED => e # This node may not be running a webnode... return false end nodes_stats_data['nodes'].each_pair do |id, stats| ip = nodes_data['nodes'][id]['network']['primary_interface']['address'] node_name = chef_node_name_from_ip(ip) next unless node_name write({ :hostname => node_name, :application => "Elasticsearch", :templates => self.class::NODE_TEMPLATES }) do |d| # concurrency d << ['es.jvm.threads.count', stats['jvm']['threads']['count'] ] # garbage collection d << ['es.jvm.gc.coll_time', stats['jvm']['gc']['collection_time_in_millis'] ] d << ['es.jvm.gc.coll_count', stats['jvm']['gc']['collection_count'] ] # memory d << ['es.jvm.mem.heap_used', stats['jvm']['mem']['heap_used_in_bytes'] ] d << ['es.jvm.mem.non_heap_used', stats['jvm']['mem']['non_heap_used_in_bytes'] ] d << ['es.jvm.mem.heap_comm', stats['jvm']['mem']['heap_committed_in_bytes'] ] d << ['es.jvm.mem.non_heap_comm', stats['jvm']['mem']['non_heap_committed_in_bytes'] ] # indices d << ['es.indices.size', stats['indices']['size_in_bytes'] ] end end true end |
#node_query ⇒ Object
18 19 20 |
# File 'lib/rubix/examples/es_monitor.rb', line 18 def node_query 'provides_service:*-elasticsearch' end |