Add new fields for Jenkins Total and Busy executors (#6957)

plugins/inputs/jenkins/README.md

@@ -96,6 +96,7 @@ SELECT mean("duration") AS "mean_duration" FROM "jenkins_job" WHERE time > now()
 
 ```
 $ ./telegraf --config telegraf.conf --input-filter jenkins --test
+jenkins,host=myhost,port=80,source=my-jenkins-instance busy_executors=4i,total_executors=8i 1580418261000000000
 jenkins_node,arch=Linux\ (amd64),disk_path=/var/jenkins_home,temp_path=/tmp,host=myhost,node_name=master,source=my-jenkins-instance,port=8080 swap_total=4294963200,memory_available=586711040,memory_total=6089498624,status=online,response_time=1000i,disk_available=152392036352,temp_available=152392036352,swap_available=3503263744,num_executors=2i 1516031535000000000
 jenkins_job,host=myhost,name=JOB1,parents=apps/br1,result=SUCCESS,source=my-jenkins-instance,port=8080 duration=2831i,result_code=0i 1516026630000000000
 jenkins_job,host=myhost,name=JOB2,parents=apps/br2,result=SUCCESS,source=my-jenkins-instance,port=8080 duration=2285i,result_code=0i 1516027230000000000

plugins/inputs/jenkins/jenkins.go

@@ -90,6 +90,7 @@ const sampleConfig = `
 
 // measurement
 const (
+	measurementJenkins = "jenkins"
 	measurementNode    = "jenkins_node"
 	measurementJob     = "jenkins_job"
 )
@@ -244,6 +245,15 @@ func (j *Jenkins) gatherNodesData(acc telegraf.Accumulator) {
 		acc.AddError(err)
 		return
 	}
+
+	// get total and busy executors
+	tags := map[string]string{"source": j.Source, "port": j.Port}
+	fields := make(map[string]interface{})
+	fields["busy_executors"] = nodeResp.BusyExecutors
+	fields["total_executors"] = nodeResp.TotalExecutors
+
+	acc.AddFields(measurementJenkins, fields, tags)
+
 	// get node data
 	for _, node := range nodeResp.Computers {
 		err = j.gatherNodeData(node, acc)
@@ -354,6 +364,8 @@ func (j *Jenkins) getJobDetail(jr jobRequest, acc telegraf.Accumulator) error {
 
 type nodeResponse struct {
 	Computers      []node `json:"computer"`
+	BusyExecutors  int    `json:"busyExecutors"`
+	TotalExecutors int    `json:"totalExecutors"`
 }
 
 type node struct {

plugins/inputs/jenkins/jenkins_test.go

@@ -106,6 +106,19 @@ func TestGatherNodeData(t *testing.T) {
 				},
 			},
 			wantErr: true,
+			output: &testutil.Accumulator{
+				Metrics: []*testutil.Metric{
+					{
+						Tags: map[string]string{
+							"source": "127.0.0.1",
+						},
+						Fields: map[string]interface{}{
+							"busy_executors":  0,
+							"total_executors": 0,
+						},
+					},
+				},
+			},
 		},
 		{
 			name: "empty monitor data",
@@ -130,6 +143,8 @@ func TestGatherNodeData(t *testing.T) {
 				responseMap: map[string]interface{}{
 					"/api/json": struct{}{},
 					"/computer/api/json": nodeResponse{
+						BusyExecutors:  4,
+						TotalExecutors: 8,
 						Computers: []node{
 							{DisplayName: "ignore-1"},
 							{DisplayName: "ignore-2"},
@@ -137,6 +152,19 @@ func TestGatherNodeData(t *testing.T) {
 					},
 				},
 			},
+			output: &testutil.Accumulator{
+				Metrics: []*testutil.Metric{
+					{
+						Tags: map[string]string{
+							"source": "127.0.0.1",
+						},
+						Fields: map[string]interface{}{
+							"busy_executors":  4,
+							"total_executors": 8,
+						},
+					},
+				},
+			},
 		},
 		{
 			name: "normal data collection",
@@ -144,6 +172,8 @@ func TestGatherNodeData(t *testing.T) {
 				responseMap: map[string]interface{}{
 					"/api/json": struct{}{},
 					"/computer/api/json": nodeResponse{
+						BusyExecutors:  4,
+						TotalExecutors: 8,
 						Computers: []node{
 							{
 								DisplayName: "master",
@@ -175,6 +205,15 @@ func TestGatherNodeData(t *testing.T) {
 			},
 			output: &testutil.Accumulator{
 				Metrics: []*testutil.Metric{
+					{
+						Tags: map[string]string{
+							"source": "127.0.0.1",
+						},
+						Fields: map[string]interface{}{
+							"busy_executors":  4,
+							"total_executors": 8,
+						},
+					},
 					{
 						Tags: map[string]string{
 							"node_name": "master",
@@ -203,6 +242,8 @@ func TestGatherNodeData(t *testing.T) {
 				responseMap: map[string]interface{}{
 					"/api/json": struct{}{},
 					"/computer/api/json": nodeResponse{
+						BusyExecutors:  4,
+						TotalExecutors: 8,
 						Computers: []node{
 							{
 								DisplayName:  "slave",
@@ -216,6 +257,15 @@ func TestGatherNodeData(t *testing.T) {
 			},
 			output: &testutil.Accumulator{
 				Metrics: []*testutil.Metric{
+					{
+						Tags: map[string]string{
+							"source": "127.0.0.1",
+						},
+						Fields: map[string]interface{}{
+							"busy_executors":  4,
+							"total_executors": 8,
+						},
+					},
 					{
 						Tags: map[string]string{
 							"node_name": "slave",
@@ -252,19 +302,21 @@ func TestGatherNodeData(t *testing.T) {
 				t.Fatalf("%s: expected err, got nil", test.name)
 			}
 			if test.output == nil && len(acc.Metrics) > 0 {
-				t.Fatalf("%s: collected extra data", test.name)
+				t.Fatalf("%s: collected extra data %s", test.name, acc.Metrics)
 			} else if test.output != nil && len(test.output.Metrics) > 0 {
-				for k, m := range test.output.Metrics[0].Tags {
+				for i := 0; i < len(test.output.Metrics); i++ {
-					if acc.Metrics[0].Tags[k] != m {
+					for k, m := range test.output.Metrics[i].Tags {
+						if acc.Metrics[i].Tags[k] != m {
 							t.Fatalf("%s: tag %s metrics unmatch Expected %s, got %s\n", test.name, k, m, acc.Metrics[0].Tags[k])
 						}
 					}
-				for k, m := range test.output.Metrics[0].Fields {
+					for k, m := range test.output.Metrics[i].Fields {
-					if acc.Metrics[0].Fields[k] != m {
+						if acc.Metrics[i].Fields[k] != m {
 							t.Fatalf("%s: field %s metrics unmatch Expected %v(%T), got %v(%T)\n", test.name, k, m, m, acc.Metrics[0].Fields[k], acc.Metrics[0].Fields[k])
 						}
 					}
 				}
+			}
 		})
 	}
 }