Update custom metrics field to be optional

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## [Unreleased]
 
+- Make `field` property optional in a custom metrics SLO 
+
 ## [0.11.14] - 2025-03-17
 
 - Fix a provider crash when interacting with elasticstack_kibana_data_view resources created with 0.11.0. ([#979](https://github.com/elastic/terraform-provider-elasticstack/pull/979))

generated/slo-spec.yml

@@ -1,3 +1,4 @@
+#retrieved from https://github.com/elastic/kibana/blob/main/x-pack/solutions/observability/plugins/slo/docs/openapi/slo/bundled.yaml
 openapi: 3.0.1
 info:
   title: SLOs
@@ -671,7 +672,6 @@ components:
                     required:
                       - name
                       - aggregation
-                      - field
                     properties:
                       name:
                         description: The name of the metric. Only valid options are A-Z
@@ -712,7 +712,6 @@ components:
                     required:
                       - name
                       - aggregation
-                      - field
                     properties:
                       name:
                         description: The name of the metric. Only valid options are A-Z

generated/slo/api/openapi.yaml

@@ -1519,7 +1519,6 @@ components:
           type: string
       required:
       - aggregation
-      - field
       - name
       type: object
     indicator_properties_custom_metric_params_good:
@@ -1562,7 +1561,6 @@ components:
           type: string
       required:
       - aggregation
-      - field
       - name
       type: object
     indicator_properties_custom_metric_params_total:

generated/slo/docs/IndicatorPropertiesCustomMetricParamsGoodMetricsInner.md

@@ -6,14 +6,14 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **Name** | **string** | The name of the metric. Only valid options are A-Z | 
 **Aggregation** | **string** | The aggregation type of the metric. Only valid option is \"sum\" | 
-**Field** | **string** | The field of the metric. | 
+**Field** | Pointer to **string** | The field of the metric. | [optional] 
 **Filter** | Pointer to **string** | The filter to apply to the metric. | [optional] 
 
 ## Methods
 
 ### NewIndicatorPropertiesCustomMetricParamsGoodMetricsInner
 
-`func NewIndicatorPropertiesCustomMetricParamsGoodMetricsInner(name string, aggregation string, field string, ) *IndicatorPropertiesCustomMetricParamsGoodMetricsInner`
+`func NewIndicatorPropertiesCustomMetricParamsGoodMetricsInner(name string, aggregation string, ) *IndicatorPropertiesCustomMetricParamsGoodMetricsInner`
 
 NewIndicatorPropertiesCustomMetricParamsGoodMetricsInner instantiates a new IndicatorPropertiesCustomMetricParamsGoodMetricsInner object
 This constructor will assign default values to properties that have it defined,
@@ -87,6 +87,11 @@ and a boolean to check if the value has been set.
 
 SetField sets Field field to given value.
 
+### HasField
+
+`func (o *IndicatorPropertiesCustomMetricParamsGoodMetricsInner) HasField() bool`
+
+HasField returns a boolean if a field has been set.
 
 ### GetFilter
 

generated/slo/docs/IndicatorPropertiesCustomMetricParamsTotalMetricsInner.md

@@ -6,14 +6,14 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **Name** | **string** | The name of the metric. Only valid options are A-Z | 
 **Aggregation** | **string** | The aggregation type of the metric. Only valid option is \"sum\" | 
-**Field** | **string** | The field of the metric. | 
+**Field** | Pointer to **string** | The field of the metric. | [optional] 
 **Filter** | Pointer to **string** | The filter to apply to the metric. | [optional] 
 
 ## Methods
 
 ### NewIndicatorPropertiesCustomMetricParamsTotalMetricsInner
 
-`func NewIndicatorPropertiesCustomMetricParamsTotalMetricsInner(name string, aggregation string, field string, ) *IndicatorPropertiesCustomMetricParamsTotalMetricsInner`
+`func NewIndicatorPropertiesCustomMetricParamsTotalMetricsInner(name string, aggregation string, ) *IndicatorPropertiesCustomMetricParamsTotalMetricsInner`
 
 NewIndicatorPropertiesCustomMetricParamsTotalMetricsInner instantiates a new IndicatorPropertiesCustomMetricParamsTotalMetricsInner object
 This constructor will assign default values to properties that have it defined,
@@ -87,6 +87,11 @@ and a boolean to check if the value has been set.
 
 SetField sets Field field to given value.
 
+### HasField
+
+`func (o *IndicatorPropertiesCustomMetricParamsTotalMetricsInner) HasField() bool`
+
+HasField returns a boolean if a field has been set.
 
 ### GetFilter
 

internal/kibana/slo.go

@@ -599,7 +599,7 @@ func getSloFromResourceData(d *schema.ResourceData) (models.Slo, diag.Diagnostic
 			idx := fmt.Sprint(n)
 			goodMetrics = append(goodMetrics, slo.IndicatorPropertiesCustomMetricParamsGoodMetricsInner{
 				Name:        d.Get(indicatorType + ".0.good.0.metrics." + idx + ".name").(string),
-				Field:       d.Get(indicatorType + ".0.good.0.metrics." + idx + ".field").(string),
+				Field:       getOrNilString(indicatorType+".0.good.0.metrics."+idx+".field", d),
 				Aggregation: d.Get(indicatorType + ".0.good.0.metrics." + idx + ".aggregation").(string),
 				Filter:      getOrNilString(indicatorType+".0.good.0.metrics."+idx+".filter", d),
 			})
@@ -610,7 +610,7 @@ func getSloFromResourceData(d *schema.ResourceData) (models.Slo, diag.Diagnostic
 			idx := fmt.Sprint(n)
 			totalMetrics = append(totalMetrics, slo.IndicatorPropertiesCustomMetricParamsTotalMetricsInner{
 				Name:        d.Get(indicatorType + ".0.total.0.metrics." + idx + ".name").(string),
-				Field:       d.Get(indicatorType + ".0.total.0.metrics." + idx + ".field").(string),
+				Field:       getOrNilString(indicatorType+".0.total.0.metrics."+idx+".field", d),
 				Aggregation: d.Get(indicatorType + ".0.total.0.metrics." + idx + ".aggregation").(string),
 				Filter:      getOrNilString(indicatorType+".0.total.0.metrics."+idx+".filter", d),
 			})