adds nuking of dynamodb-items and dynamodb-tables

adds dynamodb-items nuking
adds dynamodb-table nuking

Author: Tomasz Fratczak

resources/dynamodb-items.go

@@ -0,0 +1,80 @@
+package resources
+
+import (
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
+)
+
+type DynamoDBTableItem struct {
+	svc   *dynamodb.DynamoDB
+	id    map[string]*dynamodb.AttributeValue
+	table Resource
+}
+
+func (n *DynamoDBNuke) ListItems() ([]Resource, error) {
+	tables, tablesErr := n.ListTables()
+	if tablesErr != nil {
+		return nil, tablesErr
+	}
+
+	resources := make([]Resource, 0)
+	for _, dynamoTable := range tables {
+		describeParams := &dynamodb.DescribeTableInput{
+			TableName: aws.String(dynamoTable.String()),
+		}
+
+		descResp, descErr := n.Service.DescribeTable(describeParams)
+		if descErr != nil {
+			return nil, descErr
+		}
+
+		key := *descResp.Table.KeySchema[0].AttributeName
+		params := &dynamodb.ScanInput{
+			TableName:            aws.String(dynamoTable.String()),
+			ProjectionExpression: aws.String(key),
+		}
+
+		scanResp, scanErr := n.Service.Scan(params)
+		if scanErr != nil {
+			return nil, scanErr
+		}
+
+		for _, itemMap := range scanResp.Items {
+			resources = append(resources, &DynamoDBTableItem{
+				svc:   n.Service,
+				id:    itemMap,
+				table: dynamoTable,
+			})
+		}
+	}
+
+	return resources, nil
+}
+
+func (i *DynamoDBTableItem) Remove() error {
+	params := &dynamodb.DeleteItemInput{
+		Key:       i.id,
+		TableName: aws.String(i.table.String()),
+	}
+
+	_, err := i.svc.DeleteItem(params)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (i *DynamoDBTableItem) String() string {
+	table := i.table.String()
+	var keyField string
+
+	for _, value := range i.id {
+		value := strings.TrimSpace(value.String())
+		keyField = string([]rune(value)[8:(len([]rune(value)) - 3)])
+	}
+
+	return table + " -> " + keyField
+}

resources/dynamodb-tables.go

@@ -0,0 +1,45 @@
+package resources
+
+import (
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
+)
+
+type DynamoDBTable struct {
+	svc *dynamodb.DynamoDB
+	id  string
+}
+
+func (n *DynamoDBNuke) ListTables() ([]Resource, error) {
+	resp, err := n.Service.ListTables(&dynamodb.ListTablesInput{})
+	if err != nil {
+		return nil, err
+	}
+
+	resources := make([]Resource, 0)
+	for _, tableName := range resp.TableNames {
+		resources = append(resources, &DynamoDBTable{
+			svc: n.Service,
+			id:  *tableName,
+		})
+	}
+
+	return resources, nil
+}
+
+func (i *DynamoDBTable) Remove() error {
+	params := &dynamodb.DeleteTableInput{
+		TableName: aws.String(i.id),
+	}
+
+	_, err := i.svc.DeleteTable(params)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (i *DynamoDBTable) String() string {
+	return i.id
+}

resources/listers.go

@@ -6,6 +6,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/cloudformation"
 	"github.com/aws/aws-sdk-go/service/cloudtrail"
 	"github.com/aws/aws-sdk-go/service/cloudwatchevents"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
 	"github.com/aws/aws-sdk-go/service/ec2"
 	"github.com/aws/aws-sdk-go/service/ecr"
 	"github.com/aws/aws-sdk-go/service/efs"
@@ -37,6 +38,7 @@ func GetListers(sess *session.Session) []ResourceLister {
 		kms              = KMSNuke{kms.New(sess)}
 		lambda           = LambdaNuke{lambda.New(sess)}
 		rds              = RDSNuke{rds.New(sess)}
+		dynamodb         = DynamoDBNuke{dynamodb.New(sess)}
 		route53          = Route53Nuke{route53.New(sess)}
 		s3               = S3Nuke{s3.New(sess)}
 		sns              = SNSNuke{sns.New(sess)}
@@ -98,6 +100,8 @@ func GetListers(sess *session.Session) []ResourceLister {
 		rds.ListParameterGroups,
 		rds.ListSnapshots,
 		rds.ListSubnetGroups,
+		dynamodb.ListItems,
+		dynamodb.ListTables,
 		route53.ListHostedZones,
 		route53.ListResourceRecords,
 		s3.ListBuckets,

resources/rds-dbparametergroups.go

@@ -3,6 +3,7 @@ package resources
 import (
 	"fmt"
 	"strings"
+
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/rds"
 )

resources/types.go

@@ -5,6 +5,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/cloudformation"
 	"github.com/aws/aws-sdk-go/service/cloudtrail"
 	"github.com/aws/aws-sdk-go/service/cloudwatchevents"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
 	"github.com/aws/aws-sdk-go/service/ec2"
 	"github.com/aws/aws-sdk-go/service/ecr"
 	"github.com/aws/aws-sdk-go/service/efs"
@@ -72,6 +73,10 @@ type RDSNuke struct {
 	Service *rds.RDS
 }
 
+type DynamoDBNuke struct {
+	Service *dynamodb.DynamoDB
+}
+
 type Route53Nuke struct {
 	Service *route53.Route53
 }