Firestore: Add support for Point-in-time-recovery (PITR)

mmv1/products/firestore/Database.yaml

@@ -139,6 +139,19 @@ properties:
       - :PESSIMISTIC
       - :OPTIMISTIC_WITH_ENTITY_GROUPS
     default_from_api: true
+  - !ruby/object:Api::Type::Enum
+    name: pointInTimeRecoveryEnablement
+    description: |
+      Whether to enable the PITR feature on this database.
+      When disabled allows reads against any version within the last hour.
+      When enabled allows reads against any version within the last last hour and
+      reads against 1-minute snapshots beyond 1 hour and within 7 days.
+      `version_retention_period` and `earliest_version_time` can be used to determine the supported versions.
+    values:
+      - :POINT_IN_TIME_RECOVERY_ENABLEMENT_UNSPECIFIED
+      - :POINT_IN_TIME_RECOVERY_ENABLED
+      - :POINT_IN_TIME_RECOVERY_DISABLED
+    default_from_api: true
   - !ruby/object:Api::Type::Enum
     name: appEngineIntegrationMode
     description: |
@@ -147,6 +160,21 @@ properties:
       - :ENABLED
       - :DISABLED
     default_from_api: true
+  - !ruby/object:Api::Type::String
+    name: version_retention_period
+    description: |
+      Output only. The period during which past versions of data are retained in the database.
+      Any read or query can specify a readTime within this window, and will read the state of the database at that time.
+      If the PITR feature is enabled, the retention period is 7 days. Otherwise, the retention period is 1 hour.
+      A duration in seconds with up to nine fractional digits, ending with 's'. Example: "3.5s".
+    output: true
+  - !ruby/object:Api::Type::String
+    name: earliest_version_time
+    description: |
+      Output only. The earliest timestamp at which older versions of the data can be read from the database. See [versionRetentionPeriod] above; this field is populated with now - versionRetentionPeriod.
+      This value is continuously updated, and becomes stale the moment it is queried. If you are using this value to recover data, make sure to account for the time from the moment when the value is queried to the moment when you initiate the recovery.
+      A timestamp in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits. Examples: "2014-10-02T15:01:23Z" and "2014-10-02T15:01:23.045123456Z".
+    output: true
   - !ruby/object:Api::Type::String
     name: key_prefix
     description: |

mmv1/templates/terraform/examples/firestore_database.tf.erb

@@ -27,5 +27,7 @@ resource "google_firestore_database" "<%= ctx[:primary_resource_id] %>" {
   concurrency_mode            = "OPTIMISTIC"
   app_engine_integration_mode = "DISABLED"
 
+  point_in_time_recovery_enablement = "POINT_IN_TIME_RECOVERY_ENABLED"
+
   depends_on = [google_project_service.firestore]
 }