fix: adding regex validation for ip network and changing description for variables (#747)

Co-authored-by: Imran Nayer <[email protected]>

Author: amrkk123

modules/mysql/metadata.display.yaml

@@ -186,6 +186,13 @@ spec:
         ip_configuration:
           name: ip_configuration
           title: Ip Configuration
+          properties:
+            private_network:
+              name: private_network
+              title: private_network
+              subtext: The VPC network used to enable private IP access to the Cloud SQL instance. Cannot be unset once configured.
+              regexValidation: ^(?:http(?:s)?://.+/)?projects/((?:(?:[-a-z0-9]{1,63}\\.)*(?:[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?):)?(?:[0-9]{1,19}|(?:[a-z0-9](?:[-a-z0-9]{0,61}[a-z0-9])?)))/global/networks/((?:[a-z](?:[-a-z0-9]*[a-z0-9])?))$
+              validation: Invalid format. Expected a valid Google Cloud network resource name, e.g. projects/{project}/global/networks/{network}.
           level: 1
         maintenance_window_day:
           name: maintenance_window_day

modules/postgresql/metadata.display.yaml

@@ -194,6 +194,13 @@ spec:
         ip_configuration:
           name: ip_configuration
           title: Ip Configuration
+          properties:
+            private_network:
+              name: private_network
+              title: private_network
+              subtext: The VPC network used to enable private IP access to the Cloud SQL instance. Cannot be unset once configured.
+              regexValidation: ^(?:http(?:s)?://.+/)?projects/((?:(?:[-a-z0-9]{1,63}\\.)*(?:[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?):)?(?:[0-9]{1,19}|(?:[a-z0-9](?:[-a-z0-9]{0,61}[a-z0-9])?)))/global/networks/((?:[a-z](?:[-a-z0-9]*[a-z0-9])?))$
+              validation: Invalid format. Expected a valid Google Cloud network resource name, e.g. projects/{project}/global/networks/{network}.
           level: 1
         maintenance_window_day:
           name: maintenance_window_day