/
iam_createpolicy.go
83 lines (71 loc) · 1.86 KB
/
iam_createpolicy.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"encoding/json"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/iam"
)
// PolicyDocument is our definition of our policies to be uploaded to IAM.
type PolicyDocument struct {
Version string
Statement []StatementEntry
}
// StatementEntry will dictate what this policy will allow or not allow.
type StatementEntry struct {
Effect string
Action []string
Resource string
}
// Usage:
// go run iam_createpolicy.go
func main() {
// Initialize a session in us-west-2 that the SDK will use to load
// credentials from the shared credentials file ~/.aws/credentials.
sess, err := session.NewSession(&aws.Config{
Region: aws.String("us-west-2")},
)
// Create a IAM service client.
svc := iam.New(sess)
// Builds our policy document for IAM.
policy := PolicyDocument{
Version: "2012-10-17",
Statement: []StatementEntry{
StatementEntry{
Effect: "Allow",
Action: []string{
"logs:CreateLogGroup", // Allow for creating log groups
},
Resource: "RESOURCE ARN FOR logs:*",
},
StatementEntry{
Effect: "Allow",
// Allows for DeleteItem, GetItem, PutItem, Scan, and UpdateItem
Action: []string{
"dynamodb:DeleteItem",
"dynamodb:GetItem",
"dynamodb:PutItem",
"dynamodb:Scan",
"dynamodb:UpdateItem",
},
Resource: "RESOURCE ARN FOR dynamodb:*",
},
},
}
b, err := json.Marshal(&policy)
if err != nil {
fmt.Println("Error marshaling policy", err)
return
}
result, err := svc.CreatePolicy(&iam.CreatePolicyInput{
PolicyDocument: aws.String(string(b)),
PolicyName: aws.String("myDynamodbPolicy"),
})
if err != nil {
fmt.Println("Error", err)
return
}
fmt.Println("New policy", result)
}