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package resources
import (
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/dynamodb"
"github.com/rebuy-de/aws-nuke/pkg/types"
"github.com/sirupsen/logrus"
)
type DynamoDBTableItem struct {
svc *dynamodb.DynamoDB
id map[string]*dynamodb.AttributeValue
table *DynamoDBTable
keyName string
keyValue string
}
func init() {
register("DynamoDBTableItem", ListDynamoDBItems)
}
func ListDynamoDBItems(sess *session.Session) ([]Resource, error) {
svc := dynamodb.New(sess)
tables, tablesErr := ListDynamoDBTables(sess)
if tablesErr != nil {
return nil, tablesErr
}
resources := make([]Resource, 0)
for _, dynamoTableResource := range tables {
dynamoTable, ok := dynamoTableResource.(*DynamoDBTable)
if !ok {
// This should never happen (tm).
logrus.Errorf("Unable to cast DynamoDBTable.")
continue
}
describeParams := &dynamodb.DescribeTableInput{
TableName: &dynamoTable.id,
}
descResp, descErr := svc.DescribeTable(describeParams)
if descErr != nil {
return nil, descErr
}
keyName := descResp.Table.KeySchema[0].AttributeName
params := &dynamodb.ScanInput{
TableName: &dynamoTable.id,
ProjectionExpression: aws.String("#key"),
ExpressionAttributeNames: map[string]*string{
"#key": keyName,
},
}
scanResp, scanErr := svc.Scan(params)
if scanErr != nil {
return nil, scanErr
}
for _, itemMap := range scanResp.Items {
var keyValue string
for _, value := range itemMap {
value := strings.TrimSpace(value.String())
keyValue = string([]rune(value)[8:(len([]rune(value)) - 3)])
}
resources = append(resources, &DynamoDBTableItem{
svc: svc,
id: itemMap,
table: dynamoTable,
keyName: aws.StringValue(keyName),
keyValue: keyValue,
})
}
}
return resources, nil
}
func (i *DynamoDBTableItem) Remove() error {
params := &dynamodb.DeleteItemInput{
Key: i.id,
TableName: &i.table.id,
}
_, err := i.svc.DeleteItem(params)
if err != nil {
return err
}
return nil
}
func (i *DynamoDBTableItem) Properties() types.Properties {
properties := types.NewProperties()
properties.Set("Table", i.table)
properties.Set("KeyName", i.keyName)
properties.Set("KeyValue", i.keyValue)
return properties
}
func (i *DynamoDBTableItem) String() string {
return i.table.String() + " -> " + i.keyValue
}
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