outposts: include hostname in outpost heartbeat

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/outposts/api/outposts.py

@@ -19,7 +19,13 @@ from authentik.core.api.utils import PassiveSerializer, is_dict
 from authentik.core.models import Provider
 from authentik.outposts.api.service_connections import ServiceConnectionSerializer
 from authentik.outposts.apps import MANAGED_OUTPOST
-from authentik.outposts.models import Outpost, OutpostConfig, OutpostType, default_outpost_config
+from authentik.outposts.models import (
+    Outpost,
+    OutpostConfig,
+    OutpostState,
+    OutpostType,
+    default_outpost_config,
+)
 from authentik.providers.ldap.models import LDAPProvider
 from authentik.providers.proxy.models import ProxyProvider
 
@@ -96,6 +102,7 @@ class OutpostDefaultConfigSerializer(PassiveSerializer):
 class OutpostHealthSerializer(PassiveSerializer):
     """Outpost health status"""
 
+    uid = CharField(read_only=True)
     last_seen = DateTimeField(read_only=True)
     version = CharField(read_only=True)
     version_should = CharField(read_only=True)
@@ -105,6 +112,8 @@ class OutpostHealthSerializer(PassiveSerializer):
     build_hash = CharField(read_only=True, required=False)
     build_hash_should = CharField(read_only=True, required=False)
 
+    hostname = CharField(read_only=True, required=False)
+
 
 class OutpostFilter(FilterSet):
     """Filter for Outposts"""
@@ -145,13 +154,16 @@ class OutpostViewSet(UsedByMixin, ModelViewSet):
         outpost: Outpost = self.get_object()
         states = []
         for state in outpost.state:
+            state: OutpostState
             states.append(
                 {
+                    "uid": state.uid,
                     "last_seen": state.last_seen,
                     "version": state.version,
                     "version_should": state.version_should,
                     "version_outdated": state.version_outdated,
                     "build_hash": state.build_hash,
+                    "hostname": state.hostname,
                     "build_hash_should": get_build_hash(),
                 }
             )

authentik/outposts/channels.py

@@ -98,6 +98,7 @@ class OutpostConsumer(AuthJsonConsumer):
         if self.channel_name not in state.channel_ids:
             state.channel_ids.append(self.channel_name)
         state.last_seen = datetime.now()
+        state.hostname = msg.args.get("hostname", "")
 
         if not self.first_msg:
             GAUGE_OUTPOSTS_CONNECTED.labels(

authentik/outposts/models.py

@@ -431,6 +431,7 @@ class OutpostState:
     version: Optional[str] = field(default=None)
     version_should: Version | LegacyVersion = field(default=OUR_VERSION)
     build_hash: str = field(default="")
+    hostname: str = field(default="")
 
     _outpost: Optional[Outpost] = field(default=None)
 

internal/outpost/ak/api.go

@@ -167,6 +167,19 @@ func (a *APIController) OnRefresh() error {
 	return err
 }
 
+func (a *APIController) getWebsocketArgs() map[string]interface{} {
+	args := map[string]interface{}{
+		"version":   constants.VERSION,
+		"buildHash": constants.BUILD("tagged"),
+		"uuid":      a.instanceUUID.String(),
+	}
+	hostname, err := os.Hostname()
+	if err == nil {
+		args["hostname"] = hostname
+	}
+	return args
+}
+
 func (a *APIController) StartBackgroundTasks() error {
 	OutpostInfo.With(prometheus.Labels{
 		"outpost_name": a.Outpost.Name,

internal/outpost/ak/api_ws.go

@@ -49,11 +49,7 @@ func (ac *APIController) initWS(akURL url.URL, outpostUUID string) error {
 	// Send hello message with our version
 	msg := websocketMessage{
 		Instruction: WebsocketInstructionHello,
-		Args: map[string]interface{}{
-			"version":   constants.VERSION,
-			"buildHash": constants.BUILD("tagged"),
-			"uuid":      ac.instanceUUID.String(),
-		},
+		Args:        ac.getWebsocketArgs(),
 	}
 	err = ws.WriteJSON(msg)
 	if err != nil {
@@ -163,11 +159,7 @@ func (ac *APIController) startWSHealth() {
 	for ; true; <-ticker.C {
 		aliveMsg := websocketMessage{
 			Instruction: WebsocketInstructionHello,
-			Args: map[string]interface{}{
-				"version":   constants.VERSION,
-				"buildHash": constants.BUILD("tagged"),
-				"uuid":      ac.instanceUUID.String(),
-			},
+			Args:        ac.getWebsocketArgs(),
 		}
 		if ac.wsConn == nil {
 			go ac.reconnectWS()

schema.yml

@@ -30179,6 +30179,9 @@ components:
       type: object
       description: Outpost health status
       properties:
+        uid:
+          type: string
+          readOnly: true
         last_seen:
           type: string
           format: date-time
@@ -30198,10 +30201,15 @@ components:
         build_hash_should:
           type: string
           readOnly: true
+        hostname:
+          type: string
+          readOnly: true
       required:
       - build_hash
       - build_hash_should
+      - hostname
       - last_seen
+      - uid
       - version
       - version_outdated
       - version_should