extensions: add Conditions in replica sets

pkg/apis/extensions/types.go

@@ -642,6 +642,35 @@ type ReplicaSetStatus struct {
 
 	// ObservedGeneration is the most recent generation observed by the controller.
 	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
+
+	// Represents the latest available observations of a replica set's current state.
+	Conditions []ReplicaSetCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type"`
+}
+
+type ReplicaSetConditionType string
+
+// These are valid conditions of a replica set.
+const (
+	// ReplicaSetReplicaFailure is added in a replica set when one of its pods fails to be created
+	// due to insufficient quota, limit ranges, pod security policy, node selectors, etc. or deleted
+	// due to kubelet being down or finalizers are failing.
+	ReplicaSetReplicaFailure ReplicaSetConditionType = "ReplicaFailure"
+)
+
+// ReplicaSetCondition describes the state of a replica set at a certain point.
+type ReplicaSetCondition struct {
+	// Type of replica set condition.
+	Type ReplicaSetConditionType `json:"type"`
+	// Status of the condition, one of True, False, Unknown.
+	Status api.ConditionStatus `json:"status"`
+	// Last time we probed the condition.
+	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
+	// The last time the condition transitioned from one status to another.
+	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
+	// The reason for the condition's last transition.
+	Reason string `json:"reason,omitempty"`
+	// A human readable message indicating details about the transition.
+	Message string `json:"message,omitempty"`
 }
 
 // +genclient=true

pkg/apis/extensions/v1beta1/types.go

@@ -901,6 +901,35 @@ type ReplicaSetStatus struct {
 
 	// ObservedGeneration reflects the generation of the most recently observed ReplicaSet.
 	ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,3,opt,name=observedGeneration"`
+
+	// Represents the latest available observations of a replica set's current state.
+	Conditions []ReplicaSetCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type"`
+}
+
+type ReplicaSetConditionType string
+
+// These are valid conditions of a replica set.
+const (
+	// ReplicaSetReplicaFailure is added in a replica set when one of its pods fails to be created
+	// due to insufficient quota, limit ranges, pod security policy, node selectors, etc. or deleted
+	// due to kubelet being down or finalizers are failing.
+	ReplicaSetReplicaFailure ReplicaSetConditionType = "ReplicaFailure"
+)
+
+// ReplicaSetCondition describes the state of a replica set at a certain point.
+type ReplicaSetCondition struct {
+	// Type of replica set condition.
+	Type ReplicaSetConditionType `json:"type"`
+	// Status of the condition, one of True, False, Unknown.
+	Status v1.ConditionStatus `json:"status"`
+	// Last time we probed the condition.
+	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
+	// The last time the condition transitioned from one status to another.
+	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
+	// The reason for the condition's last transition.
+	Reason string `json:"reason,omitempty"`
+	// A human readable message indicating details about the transition.
+	Message string `json:"message,omitempty"`
 }
 
 // +genclient=true