cmd/k8s-operator,k8s-opeerator: include Connector's MagicDNS name and tailnet IPs in status (#12359)

Add new fields TailnetIPs and Hostname to Connector Status. These
contain the addresses of the Tailscale node that the operator created
for the Connector to aid debugging.

Fixes #12214

Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>

k8s-operator/api.md

@@ -178,6 +178,13 @@ ConnectorStatus describes the status of the Connector. This is set and managed b
           List of status conditions to indicate the status of the Connector. Known condition types are `ConnectorReady`.<br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b>hostname</b></td>
+        <td>string</td>
+        <td>
+          Hostname is the fully qualified domain name of the Connector node. If MagicDNS is enabled in your tailnet, it is the MagicDNS name of the node.<br/>
+        </td>
+        <td>false</td>
       </tr><tr>
         <td><b>isExitNode</b></td>
         <td>boolean</td>
@@ -192,6 +199,13 @@ ConnectorStatus describes the status of the Connector. This is set and managed b
           SubnetRoutes are the routes currently exposed to tailnet via this Connector instance.<br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b>tailnetIPs</b></td>
+        <td>[]string</td>
+        <td>
+          TailnetIPs is the set of tailnet IP addresses (both IPv4 and IPv6) assigned to the Connector node.<br/>
+        </td>
+        <td>false</td>
       </tr></tbody>
 </table>
 

k8s-operator/apis/v1alpha1/types_connector.go

@@ -156,6 +156,15 @@ type ConnectorStatus struct {
 	// IsExitNode is set to true if the Connector acts as an exit node.
 	// +optional
 	IsExitNode bool `json:"isExitNode"`
+	// TailnetIPs is the set of tailnet IP addresses (both IPv4 and IPv6)
+	// assigned to the Connector node.
+	// +optional
+	TailnetIPs []string `json:"tailnetIPs,omitempty"`
+	// Hostname is the fully qualified domain name of the Connector node.
+	// If MagicDNS is enabled in your tailnet, it is the MagicDNS name of the
+	// node.
+	// +optional
+	Hostname string `json:"hostname,omitempty"`
 }
 
 // ConnectorCondition contains condition information for a Connector.

k8s-operator/apis/v1alpha1/zz_generated.deepcopy.go

@@ -125,6 +125,11 @@ func (in *ConnectorStatus) DeepCopyInto(out *ConnectorStatus) {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
+	if in.TailnetIPs != nil {
+		in, out := &in.TailnetIPs, &out.TailnetIPs
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ConnectorStatus.