Add support for deleting cache parameter groups

resources/elasticache-cacheparametergroups.go

@@ -0,0 +1,62 @@
+package resources
+
+import (
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/elasticache"
+)
+
+type ElasticacheCacheParameterGroup struct {
+	svc       *elasticache.ElastiCache
+	groupName *string
+}
+
+func init() {
+	register("ElasticacheCacheParameterGroup", ListElasticacheCacheParameterGroups)
+}
+
+func ListElasticacheCacheParameterGroups(sess *session.Session) ([]Resource, error) {
+	svc := elasticache.New(sess)
+	var resources []Resource
+
+	params := &elasticache.DescribeCacheParameterGroupsInput{MaxRecords: aws.Int64(100)}
+
+	for {
+		resp, err := svc.DescribeCacheParameterGroups(params)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, cacheParameterGroup := range resp.CacheParameterGroups {
+			resources = append(resources, &ElasticacheCacheParameterGroup{
+				svc:       svc,
+				groupName: cacheParameterGroup.CacheParameterGroupName,
+			})
+		}
+
+		if resp.Marker == nil {
+			break
+		}
+
+		params.Marker = resp.Marker
+	}
+
+	return resources, nil
+}
+
+func (i *ElasticacheCacheParameterGroup) Remove() error {
+	params := &elasticache.DeleteCacheParameterGroupInput{
+		CacheParameterGroupName: i.groupName,
+	}
+
+	_, err := i.svc.DeleteCacheParameterGroup(params)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (i *ElasticacheCacheParameterGroup) String() string {
+	return *i.groupName
+}