tgc-revival: add google_monitoring_alert_policy to TGC (#16003)

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

Author: zli82016

mmv1/api/resource.go

@@ -2535,12 +2535,18 @@ func (r Resource) TGCTestIgnorePropertiesToStrings() []string {
 		}
 	}
 
+	for _, e := range r.Examples {
+		for _, p := range e.IgnoreReadExtra {
+			props = append(props, p)
+		}
+	}
+
 	if r.IgnoreCaiAssetName() {
 		props = append(props, "ASSETNAME")
 	}
 
 	slices.Sort(props)
-	return props
+	return slices.Compact(props)
 }
 
 // Filters out computed properties during cai2hcl

mmv1/products/compute/RegionSslCertificate.yaml

@@ -23,6 +23,8 @@ references:
   guides:
     'Official Documentation': 'https://cloud.google.com/load-balancing/docs/ssl-certificates'
   api: 'https://cloud.google.com/compute/docs/reference/rest/v1/regionSslCertificates'
+include_in_tgc_next: true
+tgc_include_handwritten_tests: true
 docs:
   optional_properties: |
     * `name_prefix` - (Optional) Creates a unique name beginning with the
@@ -49,6 +51,7 @@ async:
     resource_inside_response: false
 collection_url_key: 'items'
 custom_code:
+  tgc_decoder: 'templates/tgc_next/custom_expand/region_ssl_certificate_decoder.go.tmpl'
   extra_schema_entry: 'templates/terraform/extra_schema_entry/ssl_certificate.tmpl'
   constants: 'templates/terraform/constants/compute_certificate.go.tmpl'
 examples:
@@ -96,6 +99,7 @@ properties:
       The chain must include at least one intermediate cert.
     required: true
     sensitive: true
+    is_missing_in_cai: true
   - name: 'creationTimestamp'
     type: Time
     description: 'Creation timestamp in RFC3339 text format.'
@@ -137,3 +141,4 @@ properties:
     sensitive: true
     diff_suppress_func: 'sha256DiffSuppress'
     custom_flatten: 'templates/terraform/custom_flatten/sha256.tmpl'
+    is_missing_in_cai: true

mmv1/products/datastream/ConnectionProfile.yaml

@@ -626,6 +626,7 @@ properties:
               Specifies whether the client connects directly to the
               host[:port] in the connection URI.
   - name: 'forwardSshConnectivity'
+    is_missing_in_cai: true
     type: NestedObject
     description: |
       Forward SSH tunnel connectivity.

mmv1/products/monitoring/AlertPolicy.yaml

@@ -37,6 +37,16 @@ timeouts:
 custom_code:
   constants: 'templates/terraform/constants/monitoring_alert_policy.go.tmpl'
   custom_import: 'templates/terraform/custom_import/self_link_as_name_set_project.go.tmpl'
+include_in_tgc_next: true
+tgc_include_handwritten_tests: true
+tgc_tests:
+  - name: 'TestAccMonitoringAlertPolicy/basic'
+  - name: 'TestAccMonitoringAlertPolicy/forecast'
+  - name: 'TestAccMonitoringAlertPolicy/full'
+  - name: 'TestAccMonitoringAlertPolicy/log'
+  - name: 'TestAccMonitoringAlertPolicy/mql'
+  - name: 'TestAccMonitoringAlertPolicy/promql'
+  - name: 'TestAccMonitoringAlertPolicy/update'
 error_retry_predicates:
 
   - 'transport_tpg.IsMonitoringConcurrentEditError'
@@ -245,6 +255,7 @@ properties:
                       otherwise an error is returned.
                   - name: 'crossSeriesReducer'
                     type: Enum
+                    custom_tgc_flatten: 'templates/tgc_next/custom_flatten/monitoring_alert_policy_cross_series_reducer.go.tmpl'
                     description: |
                       The approach to be used to combine
                       time series. Not all reducer
@@ -538,6 +549,7 @@ properties:
                       otherwise an error is returned.
                   - name: 'crossSeriesReducer'
                     type: Enum
+                    custom_tgc_flatten: 'templates/tgc_next/custom_flatten/monitoring_alert_policy_cross_series_reducer.go.tmpl'
                     description: |
                       The approach to be used to combine
                       time series. Not all reducer
@@ -762,6 +774,7 @@ properties:
                       otherwise an error is returned.
                   - name: 'crossSeriesReducer'
                     type: Enum
+                    custom_tgc_flatten: 'templates/tgc_next/custom_flatten/monitoring_alert_policy_cross_series_reducer.go.tmpl'
                     description: |
                       The approach to be used to combine
                       time series. Not all reducer

mmv1/templates/tgc_next/custom_expand/region_ssl_certificate_decoder.go.tmpl

@@ -0,0 +1,8 @@
+// Inject dummy values for required fields missing in CAI
+if _, ok := res["privateKey"]; !ok {
+    res["privateKey"] = "mc_is_missing_in_cai"
+}
+if _, ok := res["certificate"]; !ok {
+    res["certificate"] = "mc_is_missing_in_cai"
+}
+return res, hclData, nil

mmv1/templates/tgc_next/custom_flatten/monitoring_alert_policy_cross_series_reducer.go.tmpl

@@ -0,0 +1,6 @@
+func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {
+	if v == nil || v == "" {
+		return "REDUCE_NONE"
+	}
+	return v
+}