-
Notifications
You must be signed in to change notification settings - Fork 707
/
dynamodb-items.go
95 lines (76 loc) · 1.93 KB
/
dynamodb-items.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
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/sirupsen/logrus"
)
type DynamoDBTableItem struct {
svc *dynamodb.DynamoDB
id map[string]*dynamodb.AttributeValue
table *DynamoDBTable
}
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
}
key := *descResp.Table.KeySchema[0].AttributeName
params := &dynamodb.ScanInput{
TableName: &dynamoTable.id,
ProjectionExpression: aws.String(key),
}
scanResp, scanErr := svc.Scan(params)
if scanErr != nil {
return nil, scanErr
}
for _, itemMap := range scanResp.Items {
resources = append(resources, &DynamoDBTableItem{
svc: svc,
id: itemMap,
table: dynamoTable,
})
}
}
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) 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
}