feat: Creating a Custom Resource Definition for a pod IP to metadata mapper.

podinfo/api/v1alpha1/podinfo_types.go

@@ -23,15 +23,27 @@ import (
 // EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
 // NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
 
-// PodInfoSpec defines the desired state of PodInfo. It contains the pod IP and metadata that will be populated by the operator.
 type PodInfoSpec struct {
 	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
 	// Important: Run "make" to regenerate code after modifying this file
 
-	// PodName is the IP address of the pod
-	PodIP string `json:"podIP"`
-	// PodName contains the additional details like name, version, labels etc.
-	PodMetadata string `json:"podMetadata"`
+	// Host networking requested for this pod. Use the host's network namespace.
+	// If this option is set, the ports that will be used must be specified.
+	HostNetwork bool `json:"hostNetwork,omitempty"`
+}
+
+type PodInfoStatus struct {
+	// IP address allocated to the pod. Routable at least within the cluster.
+	// Empty if not yet allocated.
+	PodIP string `json:"podIP,omitempty"`
+
+	// List of Ip addresses allocated to the pod. 0th entry must be same as PodIP.
+	PodIPs []PodIP `json:"podIPs,omitempty"`
+}
+
+type PodIP struct {
+	// ip is an IP address (IPv4 or IPv6) assigned to the pod
+	IP string `json:"ip,omitempty"`
 }
 
 //+kubebuilder:object:root=true
@@ -41,10 +53,12 @@ type PodInfo struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
-	Spec PodInfoSpec `json:"spec,omitempty"`
+	Spec   PodInfoSpec   `json:"spec,omitempty"`
+	Status PodInfoStatus `json:"status,omitempty"`
 }
 
 //+kubebuilder:object:root=true
+// +kubebuilder:subresource:status
 
 // PodInfoList contains a list of PodInfo
 type PodInfoList struct {

podinfo/config/crd/bases/cilium.io.tetragon.cilium.io_podinfoes.yaml

@@ -33,19 +33,30 @@ spec:
           metadata:
             type: object
           spec:
-            description: PodInfoSpec defines the desired state of PodInfo. It contains
-              the pod IP and metadata that will be populated by the operator.
+            properties:
+              hostNetwork:
+                description: Host networking requested for this pod. Use the host's
+                  network namespace. If this option is set, the ports that will be
+                  used must be specified.
+                type: boolean
+            type: object
+          status:
             properties:
               podIP:
-                description: PodName is the IP address of the pod
-                type: string
-              podMetadata:
-                description: PodName contains the additional details like name, version,
-                  labels etc.
+                description: IP address allocated to the pod. Routable at least within
+                  the cluster. Empty if not yet allocated.
                 type: string
-            required:
-            - podIP
-            - podMetadata
+              podIPs:
+                description: List of Ip addresses allocated to the pod. 0th entry
+                  must be same as PodIP.
+                items:
+                  properties:
+                    ip:
+                      description: ip is an IP address (IPv4 or IPv6) assigned to
+                        the pod
+                      type: string
+                  type: object
+                type: array
             type: object
         type: object
     served: true