Feature gap: Add guestFlush to Snapshot (#15813)

Signed-off-by: Cezary Sobczak <[email protected]>

Author: Cezarus27

mmv1/products/compute/Snapshot.yaml

@@ -69,6 +69,13 @@ examples:
     vars:
       snapshot_name: 'my-snapshot'
       disk_name: 'debian-disk'
+  - name: 'snapshot_basic_2'
+    primary_resource_id: 'snapshot'
+    primary_resource_name: 'fmt.Sprintf("tf-test-my-snapshot%s", context["random_suffix"])'
+    min_version: 'beta'
+    vars:
+      snapshot_name: 'my-snapshot'
+      disk_name: 'debian-disk'
   - name: 'snapshot_chainname'
     primary_resource_id: 'snapshot'
     primary_resource_name: 'fmt.Sprintf("tf-test-snapshot-chainname%s", context["random_suffix"])'
@@ -263,6 +270,12 @@ properties:
     update_url: 'projects/{{project}}/global/snapshots/{{name}}/setLabels'
     update_verb: 'POST'
     key_expander: ''
+  - name: 'guestFlush'
+    type: Boolean
+    description: |
+      Whether to attempt an application consistent snapshot by informing the OS to prepare for the snapshot process.
+    ignore_read: true
+    min_version: 'beta'
   - name: 'snapshotType'
     type: Enum
     description: |

mmv1/templates/terraform/examples/snapshot_basic_2.tf.tmpl

@@ -0,0 +1,26 @@
+resource "google_compute_snapshot" "{{$.PrimaryResourceId}}" {
+  provider    = google-beta
+  name        = "{{index $.Vars "snapshot_name"}}"
+  source_disk = google_compute_disk.persistent.id
+  zone        = "us-central1-a"
+  labels = {
+    my_label = "value"
+  }
+  storage_locations = ["us-central1"]
+  guest_flush = true
+}
+
+data "google_compute_image" "debian" {
+  provider = google-beta
+  family  = "debian-11"
+  project = "debian-cloud"
+}
+
+resource "google_compute_disk" "persistent" {
+  provider = google-beta
+  name  = "{{index $.Vars "disk_name"}}"
+  image = data.google_compute_image.debian.self_link
+  size  = 10
+  type  = "pd-ssd"
+  zone  = "us-central1-a"
+}