feat: support custom scopes for service account in v1

---
feat: Add boot disk field in InstanceStatus

---
feat: Add boot disk and image source fields to v1 InstancePolicy
PiperOrigin-RevId: 507014772

google/cloud/batch/v1/batch.proto

@@ -16,8 +16,6 @@ syntax = "proto3";
 
 package google.cloud.batch.v1;
 
-import public "google/protobuf/empty.proto";
-
 import "google/api/annotations.proto";
 import "google/api/client.proto";
 import "google/api/field_behavior.proto";

google/cloud/batch/v1/job.proto

@@ -123,6 +123,9 @@ message JobStatus {
 
     // The max number of tasks can be assigned to this instance type.
     int64 task_pack = 3;
+
+    // The VM boot disk.
+    AllocationPolicy.Disk boot_disk = 4;
   }
 
   // Aggregated task status for a TaskGroup.
@@ -243,20 +246,37 @@ message AllocationPolicy {
     // A data source from which a PD will be created.
     oneof data_source {
       // Name of a public or custom image used as the data source.
+      // For example, the following are all valid URLs:
+      // (1) Specify the image by its family name:
+      // projects/{project}/global/images/family/{image_family}
+      // (2) Specify the image version:
+      // projects/{project}/global/images/{image_version}
+      // You can also use Batch customized image in short names.
+      // The following image values are supported for a boot disk:
+      // "batch-debian": use Batch Debian images.
+      // "batch-centos": use Batch CentOS images.
+      // "batch-cos": use Batch Container-Optimized images.
       string image = 4;
 
       // Name of a snapshot used as the data source.
       string snapshot = 5;
     }
 
-    // Disk type as shown in `gcloud compute disk-types list`
-    // For example, "pd-ssd", "pd-standard", "pd-balanced", "local-ssd".
+    // Disk type as shown in `gcloud compute disk-types list`.
+    // For example, local SSD uses type "local-ssd".
+    // Persistent disks and boot disks use "pd-balanced", "pd-extreme", "pd-ssd"
+    // or "pd-standard".
     string type = 1;
 
     // Disk size in GB.
-    // This field is ignored if `data_source` is `disk` or `image`.
-    // If `type` is `local-ssd`, size_gb should be a multiple of 375GB,
+    // For persistent disk, this field is ignored if `data_source` is `image` or
+    // `snapshot`.
+    // For local SSD, size_gb should be a multiple of 375GB,
     // otherwise, the final size will be the next greater multiple of 375 GB.
+    // For boot disk, Batch will calculate the boot disk size based on source
+    // image and task requirements if you do not speicify the size.
+    // If both this field and the boot_disk_mib field in task spec's
+    // compute_resource are defined, Batch will only honor this field.
     int64 size_gb = 2;
 
     // Local SSDs are available through both "SCSI" and "NVMe" interfaces.
@@ -313,6 +333,10 @@ message AllocationPolicy {
     // The accelerators attached to each VM instance.
     repeated Accelerator accelerators = 5;
 
+    // Book disk to be created and attached to each VM by this InstancePolicy.
+    // Boot disk will be deleted when the VM is deleted.
+    Disk boot_disk = 8;
+
     // Non-boot disks to be attached for each VM created by this InstancePolicy.
     // New disks will be deleted when the VM is deleted.
     repeated AttachedDisk disks = 6;
@@ -474,4 +498,8 @@ message ServiceAccount {
   // template is being used, the service account has to be specified in the
   // instance template and it has to match the email field here.
   string email = 1;
+
+  // List of scopes to be enabled for this service account on the VM, in
+  // addition to the cloud-platform API scope that will be added by default.
+  repeated string scopes = 2;
 }