Allow updating hcloud_server_network

Signed-off-by: Lukas Kämmerling <lukas.kaemmerling@hetzner-cloud.de>

plugins/modules/hcloud_server_network.py

@@ -173,11 +173,30 @@ def _create_server_network(self):
         self._get_server_and_network()
         self._get_server_network()
 
+    def _update_server_network(self):
+        params = {
+            "network": self.hcloud_network
+        }
+        if self.module.params.get("alias_ips") is not None and self.hcloud_server_network.alias_ips.sort() != self.module.params.get("alias_ips"):
+            params["alias_ips"] = self.module.params.get("alias_ips")
+
+            if not self.module.check_mode:
+                try:
+                    self.hcloud_server.change_alias_ips(**params).wait_until_finished()
+                except APIException as e:
+                    self.module.fail_json(msg=e.message)
+
+            self._mark_as_changed()
+        self._get_server_and_network()
+        self._get_server_network()
+
     def present_server_network(self):
         self._get_server_and_network()
         self._get_server_network()
         if self.hcloud_server_network is None:
             self._create_server_network()
+        else:
+            self._update_server_network()
 
     def delete_server_network(self):
         self._get_server_and_network()

tests/integration/targets/hcloud_server_network/tasks/main.yml

@@ -142,6 +142,41 @@
     - 'serverNetwork.hcloud_server_network.alias_ips[0] == "10.0.2.3"'
     - 'serverNetwork.hcloud_server_network.alias_ips[1] == "10.0.1.2"'
 
+- name: test update server network with alias ips
+  hcloud_server_network:
+    network: "{{ hcloud_network_name }}"
+    server: "{{hcloud_server_name}}"
+    ip: "10.0.0.2"
+    alias_ips:
+      - "10.0.2.3"
+      - "10.0.3.1"
+    state: present
+  register: serverNetwork
+- name: verify create server network with alias ips
+  assert:
+    that:
+    - serverNetwork is changed
+    - serverNetwork.hcloud_server_network.network == hcloud_network_name
+    - serverNetwork.hcloud_server_network.server == hcloud_server_name
+    - serverNetwork.hcloud_server_network.ip == "10.0.0.2"
+    - 'serverNetwork.hcloud_server_network.alias_ips[0] == "10.0.2.3"'
+    - 'serverNetwork.hcloud_server_network.alias_ips[1] == "10.0.3.1"'
+
+- name: test update server network with alias ips idempotency
+  hcloud_server_network:
+    network: "{{ hcloud_network_name }}"
+    server: "{{hcloud_server_name}}"
+    ip: "10.0.0.2"
+    alias_ips:
+      - "10.0.2.3"
+      - "10.0.3.1"
+    state: present
+  register: serverNetwork
+- name: verify create server network with alias ips idempotency
+  assert:
+    that:
+    - serverNetwork is not changed
+
 - name: cleanup create server network with alias ips
   hcloud_server_network:
     network: "{{ hcloud_network_name }}"