config: add aws usertags to infrastructure

Add a new field userTags to `.spec.aws` of the
infrastructure.config.openshift.io type. Tags included
in the userTags field will be applied to new resources
created for the cluster.

https://issues.redhat.com/browse/CORS-1657

Author: staebler

config/v1/0000_10_config-operator_01_infrastructure.crd.yaml

@@ -99,6 +99,24 @@ spec:
                                 empty.
                               type: string
                               pattern: ^https://
+                      userTags:
+                        description: userTags is a list of additional tags to apply
+                          to AWS resources created for the cluster. Changes made to
+                          userTags will not be reflected in existing AWS resources.
+                          The userTags are only applied to an AWS resource when the
+                          resource is created.
+                        type: array
+                        items:
+                          description: AWSUserTag is a tag to apply to AWS resources
+                            created for the cluster.
+                          type: object
+                          properties:
+                            key:
+                              description: key is the key of the tag
+                              type: string
+                            value:
+                              description: value is the value of the tag
+                              type: string
                   azure:
                     description: Azure contains settings specific to the Azure infrastructure
                       provider.

config/v1/types_infrastructure.go

@@ -301,6 +301,12 @@ type AWSPlatformSpec struct {
 	// There must be only one ServiceEndpoint for a service.
 	// +optional
 	ServiceEndpoints []AWSServiceEndpoint `json:"serviceEndpoints,omitempty"`
+
+	// userTags is a list of additional tags to apply to AWS resources created for the cluster. Changes made to userTags
+	// will not be reflected in existing AWS resources. The userTags are only applied to an AWS resource when the
+	// resource is created.
+	// +optional
+	UserTags []AWSUserTag `json:"userTags,omitempty"`
 }
 
 // AWSPlatformStatus holds the current status of the Amazon Web Services infrastructure provider.
@@ -315,6 +321,14 @@ type AWSPlatformStatus struct {
 	ServiceEndpoints []AWSServiceEndpoint `json:"serviceEndpoints,omitempty"`
 }
 
+// AWSUserTag is a tag to apply to AWS resources created for the cluster.
+type AWSUserTag struct {
+	// key is the key of the tag
+	Key string `json:"key"`
+	// value is the value of the tag
+	Value string `json:"value"`
+}
+
 // AzurePlatformSpec holds the desired state of the Azure infrastructure provider.
 // This only includes fields that can be modified in the cluster.
 type AzurePlatformSpec struct{}