added start_time attributes in k8s workloads (#41)

receiver/k8sclusterreceiver/internal/cronjob/cronjobs.go

@@ -25,6 +25,8 @@ func RecordMetrics(mb *metadata.MetricsBuilder, cj *batchv1.CronJob, ts pcommon.
 	rb.SetK8sNamespaceName(cj.Namespace)
 	rb.SetK8sCronjobUID(string(cj.UID))
 	rb.SetK8sCronjobName(cj.Name)
+	rb.SetK8sCronjobStartTime(cj.GetCreationTimestamp().String())
+    mb.EmitForResource(metadata.WithResource(rb.Emit()))
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))
 }
 

receiver/k8sclusterreceiver/internal/demonset/daemonsets.go

@@ -35,6 +35,7 @@ func RecordMetrics(mb *metadata.MetricsBuilder, ds *appsv1.DaemonSet, ts pcommon
 	rb := mb.NewResourceBuilder()
 	rb.SetK8sNamespaceName(ds.Namespace)
 	rb.SetK8sDaemonsetName(ds.Name)
+	rb.SetK8sDaemonsetStartTime(ds.GetCreationTimestamp().String())
 	rb.SetK8sDaemonsetUID(string(ds.UID))
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))
 }

receiver/k8sclusterreceiver/internal/deployment/deployments.go

@@ -35,6 +35,7 @@ func RecordMetrics(mb *imetadata.MetricsBuilder, dep *appsv1.Deployment, ts pcom
 	rb.SetK8sDeploymentName(dep.Name)
 	rb.SetK8sDeploymentUID(string(dep.UID))
 	rb.SetK8sNamespaceName(dep.Namespace)
+	rb.SetK8sDeploymentStartTime(dep.GetCreationTimestamp().String())
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))
 }
 

receiver/k8sclusterreceiver/internal/jobs/jobs.go

@@ -28,6 +28,7 @@ func RecordMetrics(mb *metadata.MetricsBuilder, j *batchv1.Job, ts pcommon.Times
 	rb.SetK8sNamespaceName(j.Namespace)
 	rb.SetK8sJobName(j.Name)
 	rb.SetK8sJobUID(string(j.UID))
+	rb.SetK8sJobStartTime(j.GetCreationTimestamp().String())
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))
 }
 

receiver/k8sclusterreceiver/internal/metadata/testdata/config.yaml

@@ -110,14 +110,20 @@ all_set:
       enabled: true
     k8s.cronjob.name:
       enabled: true
+    k8s.cronjob.start_time:
+      enabled: true
     k8s.cronjob.uid:
       enabled: true
     k8s.daemonset.name:
       enabled: true
+    k8s.daemonset.start_time:
+      enabled: true
     k8s.daemonset.uid:
       enabled: true
     k8s.deployment.name:
       enabled: true
+    k8s.deployment.start_time:
+      enabled: true
     k8s.deployment.uid:
       enabled: true
     k8s.hpa.name:
@@ -126,12 +132,16 @@ all_set:
       enabled: true
     k8s.job.name:
       enabled: true
+    k8s.job.start_time:
+      enabled: true
     k8s.job.uid:
       enabled: true
     k8s.kubelet.version:
       enabled: true
     k8s.namespace.name:
       enabled: true
+    k8s.namespace.start_time:
+      enabled: true
     k8s.namespace.uid:
       enabled: true
     k8s.node.name:
@@ -144,10 +154,14 @@ all_set:
       enabled: true
     k8s.pod.qos_class:
       enabled: true
+    k8s.pod.start_time:
+      enabled: true
     k8s.pod.uid:
       enabled: true
     k8s.replicaset.name:
       enabled: true
+    k8s.replicaset.start_time:
+      enabled: true
     k8s.replicaset.uid:
       enabled: true
     k8s.replicationcontroller.name:
@@ -172,6 +186,8 @@ all_set:
       enabled: true
     k8s.statefulset.name:
       enabled: true
+    k8s.statefulset.start_time:
+      enabled: true
     k8s.statefulset.uid:
       enabled: true
     openshift.clusterquota.name:
@@ -293,14 +309,20 @@ none_set:
       enabled: false
     k8s.cronjob.name:
       enabled: false
+    k8s.cronjob.start_time:
+      enabled: false
     k8s.cronjob.uid:
       enabled: false
     k8s.daemonset.name:
       enabled: false
+    k8s.daemonset.start_time:
+      enabled: false
     k8s.daemonset.uid:
       enabled: false
     k8s.deployment.name:
       enabled: false
+    k8s.deployment.start_time:
+      enabled: false
     k8s.deployment.uid:
       enabled: false
     k8s.hpa.name:
@@ -309,12 +331,16 @@ none_set:
       enabled: false
     k8s.job.name:
       enabled: false
+    k8s.job.start_time:
+      enabled: false
     k8s.job.uid:
       enabled: false
     k8s.kubelet.version:
       enabled: false
     k8s.namespace.name:
       enabled: false
+    k8s.namespace.start_time:
+      enabled: false
     k8s.namespace.uid:
       enabled: false
     k8s.node.name:
@@ -327,10 +353,14 @@ none_set:
       enabled: false
     k8s.pod.qos_class:
       enabled: false
+    k8s.pod.start_time:
+      enabled: false
     k8s.pod.uid:
       enabled: false
     k8s.replicaset.name:
       enabled: false
+    k8s.replicaset.start_time:
+      enabled: false
     k8s.replicaset.uid:
       enabled: false
     k8s.replicationcontroller.name:
@@ -355,6 +385,8 @@ none_set:
       enabled: false
     k8s.statefulset.name:
       enabled: false
+    k8s.statefulset.start_time:
+      enabled: false
     k8s.statefulset.uid:
       enabled: false
     openshift.clusterquota.name:

receiver/k8sclusterreceiver/internal/pod/pods.go

@@ -5,11 +5,12 @@ package pod // import "github.com/open-telemetry/opentelemetry-collector-contrib
 
 import (
 	"context"
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8sconfig"
-	"k8s.io/apimachinery/pkg/labels"
 	"strings"
 	"time"
 
+	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/k8sconfig"
+	"k8s.io/apimachinery/pkg/labels"
+
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	conventions "go.opentelemetry.io/collector/semconv/v1.6.1"
 	"go.uber.org/zap"
@@ -84,6 +85,7 @@ func RecordMetrics(logger *zap.Logger, mb *metadata.MetricsBuilder, pod *corev1.
 	rb.SetK8sPodUID(string(pod.UID))
 	rb.SetK8sPodQosClass(string(pod.Status.QOSClass))
 	rb.SetK8sServiceName(getServiceNameForPod(pod))
+	rb.SetK8sPodStartTime(pod.GetCreationTimestamp().String())
 	rb.SetK8sServiceAccountName(getServiceAccountNameForPod(pod))
 	rb.SetK8sClusterName("unknown")
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))

receiver/k8sclusterreceiver/internal/replicaset/replicasets.go

@@ -36,6 +36,7 @@ func RecordMetrics(mb *metadata.MetricsBuilder, rs *appsv1.ReplicaSet, ts pcommo
 	rb.SetK8sNamespaceName(rs.Namespace)
 	rb.SetK8sReplicasetName(rs.Name)
 	rb.SetK8sReplicasetUID(string(rs.UID))
+	rb.SetK8sReplicasetStartTime(rs.GetCreationTimestamp().String())
 	mb.EmitForResource(metadata.WithResource(rb.Emit()))
 }
 

receiver/k8sclusterreceiver/internal/statefulset/statefulsets.go

@@ -47,6 +47,7 @@ func RecordMetrics(mb *imetadata.MetricsBuilder, ss *appsv1.StatefulSet, ts pcom
 	rb.SetK8sStatefulsetUID(string(ss.UID))
 	rb.SetK8sStatefulsetName(ss.Name)
 	rb.SetK8sNamespaceName(ss.Namespace)
+	rb.SetK8sStatefulsetStartTime(ss.GetCreationTimestamp().String())
 	mb.EmitForResource(imetadata.WithResource(rb.Emit()))
 }
 

receiver/k8sclusterreceiver/metadata.yaml

@@ -239,7 +239,47 @@ resource_attributes:
   k8s.container.status.last_terminated_reason:
     description: Last terminated reason of a container.
     type: string
-    enabled: false
+    enabled: true
+
+  k8s.daemonset.start_time:
+    description: "The start time of the Daemonset."
+    enabled: true
+    type: string
+
+  k8s.deployment.start_time:
+    description: "The start time of the Deployment."
+    enabled: true
+    type: string
+
+  k8s.job.start_time:
+    description: "The start time of the Job."
+    enabled: true
+    type: string
+
+  k8s.cronjob.start_time:
+    description: "The start time of the Cronjob."
+    enabled: true
+    type: string
+
+  k8s.replicaset.start_time:
+    description: "The start time of the Replicaset."
+    enabled: true
+    type: string
+
+  k8s.statefulset.start_time:
+    description: "The start time of the Statefulset."
+    enabled: true
+    type: string
+
+  k8s.namespace.start_time:
+    description: "The start time of the Namespace."
+    enabled: true
+    type: string
+
+  k8s.pod.start_time:
+    description: "The start time of the Pod."
+    enabled: true
+    type: string
 
 attributes:
   k8s.namespace.name:
@@ -561,7 +601,7 @@ metrics:
       value_type: int
     attributes:
       - condition
-  # k8s.node.condition_* metrics (k8s.node.condition_ready, k8s.node.condition_memory_pressure, etc) are controlled 
+  # k8s.node.condition_* metrics (k8s.node.condition_ready, k8s.node.condition_memory_pressure, etc) are controlled
   # by node_conditions_to_report config option. By default, only k8s.node.condition_ready is enabled.
 
   # k8s.node.allocatable_* metrics (k8s.node.allocatable_cpu, k8s.node.allocatable_memory, etc) are controlled