feat: [alloydb] support for enabling outbound public IP on an instance (

#5638)

* feat: support for enabling outbound public IP on an instance
feat: support for getting outbound public IP addresses of an instance
feat: support for setting maintenance update policy on a cluster
feat: support for getting maintenance schedule of a cluster

PiperOrigin-RevId: 667707701

Source-Link: googleapis/googleapis@a1185ce

Source-Link: googleapis/googleapis-gen@6ca9eb3
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packages/google-cloud-alloydb/protos/google/cloud/alloydb/v1beta/resources.proto

@@ -375,6 +375,33 @@ message ContinuousBackupSource {
       [(google.api.field_behavior) = REQUIRED];
 }
 
+// MaintenanceUpdatePolicy defines the policy for system updates.
+message MaintenanceUpdatePolicy {
+  // MaintenanceWindow specifies a preferred day and time for maintenance.
+  message MaintenanceWindow {
+    // Preferred day of the week for maintenance, e.g. MONDAY, TUESDAY, etc.
+    google.type.DayOfWeek day = 1;
+
+    // Preferred time to start the maintenance operation on the specified day.
+    // Maintenance will start within 1 hour of this time.
+    google.type.TimeOfDay start_time = 2;
+  }
+
+  // Preferred windows to perform maintenance. Currently limited to 1.
+  repeated MaintenanceWindow maintenance_windows = 1;
+}
+
+// MaintenanceSchedule stores the maintenance schedule generated from
+// the MaintenanceUpdatePolicy, once a maintenance rollout is triggered, if
+// MaintenanceWindow is set, and if there is no conflicting DenyPeriod.
+// The schedule is cleared once the update takes place. This field cannot be
+// manually changed; modify the MaintenanceUpdatePolicy instead.
+message MaintenanceSchedule {
+  // Output only. The scheduled start time for the maintenance.
+  google.protobuf.Timestamp start_time = 1
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
 // A cluster is a collection of regional AlloyDB resources. It can include a
 // primary instance and one or more read pool instances.
 // All cluster resources share a storage layer, which scales as needed.
@@ -391,7 +418,7 @@ message Cluster {
     // resources are created and from which they are accessible via Private IP.
     // The network must belong to the same project as the cluster. It is
     // specified in the form:
-    // "projects/{project_number}/global/networks/{network_id}". This is
+    // `projects/{project_number}/global/networks/{network_id}`. This is
     // required to create a cluster.
     string network = 1 [
       (google.api.field_behavior) = OPTIONAL,
@@ -543,7 +570,7 @@ message Cluster {
   // Required. The resource link for the VPC network in which cluster resources
   // are created and from which they are accessible via Private IP. The network
   // must belong to the same project as the cluster. It is specified in the
-  // form: "projects/{project}/global/networks/{network_id}". This is required
+  // form: `projects/{project}/global/networks/{network_id}`. This is required
   // to create a cluster. Deprecated, use network_config.network instead.
   string network = 10 [
     deprecated = true,
@@ -610,6 +637,16 @@ message Cluster {
 
   // Output only. Reserved for future use.
   bool satisfies_pzs = 30 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. The maintenance update policy determines when to allow or deny
+  // updates.
+  MaintenanceUpdatePolicy maintenance_update_policy = 32
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. The maintenance schedule for the cluster, generated for a
+  // specific rollout if a maintenance window is set.
+  MaintenanceSchedule maintenance_schedule = 37
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // An Instance is a computing unit that an end customer can connect to.
@@ -773,6 +810,10 @@ message Instance {
 
     // Optional. Enabling public ip for the instance.
     bool enable_public_ip = 2 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Enabling an outbound public IP address to support a database
+    // server sending requests out into the internet.
+    bool enable_outbound_public_ip = 3 [(google.api.field_behavior) = OPTIONAL];
   }
 
   // Instance State
@@ -945,7 +986,10 @@ message Instance {
   // Output only. The public IP addresses for the Instance. This is available
   // ONLY when enable_public_ip is set. This is the connection endpoint for an
   // end-user application.
-  string public_ip_address = 27 [(google.api.field_behavior) = OUTPUT_ONLY];
+  string public_ip_address = 27 [
+    (google.api.field_info).format = IPV4,
+    (google.api.field_behavior) = OUTPUT_ONLY
+  ];
 
   // Output only. Reconciling (https://google.aip.dev/128#reconciliation).
   // Set to true if the current state of Instance does not match the user's
@@ -983,6 +1027,12 @@ message Instance {
   // Optional. Instance level network configuration.
   InstanceNetworkConfig network_config = 29
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. All outbound public IP addresses configured for the instance.
+  repeated string outbound_public_ip_addresses = 34 [
+    (google.api.field_info).format = IPV4,
+    (google.api.field_behavior) = OUTPUT_ONLY
+  ];
 }
 
 // ConnectionInfo singleton resource.