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Added 3 important elasticsearch cluster health metrics (#4167)

This commit is contained in:
Feliksas The Lion 2018-05-19 04:49:23 +03:00 committed by Daniel Nelson
parent 339cebbc21
commit 1a8786712c
2 changed files with 47 additions and 32 deletions
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48
plugins/inputs/elasticsearch/elasticsearch.go
View File

@ -40,17 +40,20 @@ type nodeStat struct {
} }
type clusterHealth struct { type clusterHealth struct {
ClusterName string `json:"cluster_name"` ClusterName string `json:"cluster_name"`
Status string `json:"status"` Status string `json:"status"`
TimedOut bool `json:"timed_out"` TimedOut bool `json:"timed_out"`
NumberOfNodes int `json:"number_of_nodes"` NumberOfNodes int `json:"number_of_nodes"`
NumberOfDataNodes int `json:"number_of_data_nodes"` NumberOfDataNodes int `json:"number_of_data_nodes"`
ActivePrimaryShards int `json:"active_primary_shards"` ActivePrimaryShards int `json:"active_primary_shards"`
ActiveShards int `json:"active_shards"` ActiveShards int `json:"active_shards"`
RelocatingShards int `json:"relocating_shards"` RelocatingShards int `json:"relocating_shards"`
InitializingShards int `json:"initializing_shards"` InitializingShards int `json:"initializing_shards"`
UnassignedShards int `json:"unassigned_shards"` UnassignedShards int `json:"unassigned_shards"`
Indices map[string]indexHealth `json:"indices"` NumberOfPendingTasks int `json:"number_of_pending_tasks"`
TaskMaxWaitingInQueueMillis int `json:"task_max_waiting_in_queue_millis"`
ActiveShardsPercentAsNumber float64 `json:"active_shards_percent_as_number"`
Indices map[string]indexHealth `json:"indices"`
} }
type indexHealth struct { type indexHealth struct {
@ -323,16 +326,19 @@ func (e *Elasticsearch) gatherClusterHealth(url string, acc telegraf.Accumulator
} }
measurementTime := time.Now() measurementTime := time.Now()
clusterFields := map[string]interface{}{ clusterFields := map[string]interface{}{
"status": healthStats.Status, "status": healthStats.Status,
"status_code": mapHealthStatusToCode(healthStats.Status), "status_code": mapHealthStatusToCode(healthStats.Status),
"timed_out": healthStats.TimedOut, "timed_out": healthStats.TimedOut,
"number_of_nodes": healthStats.NumberOfNodes, "number_of_nodes": healthStats.NumberOfNodes,
"number_of_data_nodes": healthStats.NumberOfDataNodes, "number_of_data_nodes": healthStats.NumberOfDataNodes,
"active_primary_shards": healthStats.ActivePrimaryShards, "active_primary_shards": healthStats.ActivePrimaryShards,
"active_shards": healthStats.ActiveShards, "active_shards": healthStats.ActiveShards,
"relocating_shards": healthStats.RelocatingShards, "relocating_shards": healthStats.RelocatingShards,
"initializing_shards": healthStats.InitializingShards, "initializing_shards": healthStats.InitializingShards,
"unassigned_shards": healthStats.UnassignedShards, "unassigned_shards": healthStats.UnassignedShards,
"number_of_pending_tasks": healthStats.NumberOfPendingTasks,
"task_max_waiting_in_queue_millis": healthStats.TaskMaxWaitingInQueueMillis,
"active_shards_percent_as_number": healthStats.ActiveShardsPercentAsNumber,
} }
acc.AddFields( acc.AddFields(
"elasticsearch_cluster_health", "elasticsearch_cluster_health",

31
plugins/inputs/elasticsearch/testdata_test.go
View File

@ -11,7 +11,10 @@ const clusterHealthResponse = `
"active_shards": 15, "active_shards": 15,
"relocating_shards": 0, "relocating_shards": 0,
"initializing_shards": 0, "initializing_shards": 0,
"unassigned_shards": 0 "unassigned_shards": 0,
"number_of_pending_tasks": 0,
"task_max_waiting_in_queue_millis": 0,
"active_shards_percent_as_number": 100.0
} }
` `
@ -27,6 +30,9 @@ const clusterHealthResponseWithIndices = `
"relocating_shards": 0, "relocating_shards": 0,
"initializing_shards": 0, "initializing_shards": 0,
"unassigned_shards": 0, "unassigned_shards": 0,
"number_of_pending_tasks": 0,
"task_max_waiting_in_queue_millis": 0,
"active_shards_percent_as_number": 100.0,
"indices": { "indices": {
"v1": { "v1": {
"status": "green", "status": "green",
@ -53,16 +59,19 @@ const clusterHealthResponseWithIndices = `
` `
var clusterHealthExpected = map[string]interface{}{ var clusterHealthExpected = map[string]interface{}{
"status": "green", "status": "green",
"status_code": 1, "status_code": 1,
"timed_out": false, "timed_out": false,
"number_of_nodes": 3, "number_of_nodes": 3,
"number_of_data_nodes": 3, "number_of_data_nodes": 3,
"active_primary_shards": 5, "active_primary_shards": 5,
"active_shards": 15, "active_shards": 15,
"relocating_shards": 0, "relocating_shards": 0,
"initializing_shards": 0, "initializing_shards": 0,
"unassigned_shards": 0, "unassigned_shards": 0,
"number_of_pending_tasks": 0,
"task_max_waiting_in_queue_millis": 0,
"active_shards_percent_as_number": 100.0,
} }
var v1IndexExpected = map[string]interface{}{ var v1IndexExpected = map[string]interface{}{