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# Bekerja dengan IAM kebijakan
<a name="examples-iam-policies"></a>

## Buat kebijakan
<a name="create-a-policy"></a>

Untuk membuat kebijakan baru, berikan nama kebijakan dan dokumen kebijakan berformat JSON dalam metode [CreatePolicyRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/CreatePolicyRequest.html)to the's. IamClient `createPolicy`

 **Impor** 

```
import software.amazon.awssdk.core.waiters.WaiterResponse;
import software.amazon.awssdk.services.iam.model.CreatePolicyRequest;
import software.amazon.awssdk.services.iam.model.CreatePolicyResponse;
import software.amazon.awssdk.services.iam.model.GetPolicyRequest;
import software.amazon.awssdk.services.iam.model.GetPolicyResponse;
import software.amazon.awssdk.services.iam.model.IamException;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.iam.IamClient;
import software.amazon.awssdk.services.iam.waiters.IamWaiter;
```

 **Kode** 

```
    public static String createIAMPolicy(IamClient iam, String policyName ) {

        try {
            // Create an IamWaiter object
            IamWaiter iamWaiter = iam.waiter();

            CreatePolicyRequest request = CreatePolicyRequest.builder()
                .policyName(policyName)
                .policyDocument(PolicyDocument).build();

            CreatePolicyResponse response = iam.createPolicy(request);

            // Wait until the policy is created
            GetPolicyRequest polRequest = GetPolicyRequest.builder()
                    .policyArn(response.policy().arn())
                    .build();

            WaiterResponse<GetPolicyResponse> waitUntilPolicyExists = iamWaiter.waitUntilPolicyExists(polRequest);
            waitUntilPolicyExists.matched().response().ifPresent(System.out::println);
            return response.policy().arn();

         } catch (IamException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return "" ;
    }
```

Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/e41bacfd5e671e7ef1a9f73e972540dc6a434664/javav2/example_code/iam/src/main/java/com/example/iam/CreatePolicy.java) di GitHub.

## Dapatkan kebijakan
<a name="get-a-policy"></a>

Untuk mengambil kebijakan yang ada, panggil `getPolicy` metode, yang menyediakan ARN kebijakan dalam [GetPolicyRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/GetPolicyRequest.html)objek. IamClient

 **Impor** 

```
import software.amazon.awssdk.services.iam.model.GetPolicyRequest;
import software.amazon.awssdk.services.iam.model.GetPolicyResponse;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.iam.IamClient;
import software.amazon.awssdk.services.iam.model.IamException;
```

 **Kode** 

```
    public static void getIAMPolicy(IamClient iam, String policyArn) {

        try {
            GetPolicyRequest request = GetPolicyRequest.builder()
                .policyArn(policyArn).build();

            GetPolicyResponse response = iam.getPolicy(request);
            System.out.format("Successfully retrieved policy %s",
                response.policy().policyName());

        } catch (IamException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
```

Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/iam/src/main/java/com/example/iam/GetPolicy.java) di GitHub.

## Lampirkan kebijakan peran
<a name="attach-a-role-policy"></a>

Anda dapat melampirkan kebijakan ke IAM [peran](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles.html) dengan memanggil `attachRolePolicy` metode, memberikannya nama peran dan kebijakan ARN di. IamClient [AttachRolePolicyRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/AttachRolePolicyRequest.html)

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.iam.IamClient;
import software.amazon.awssdk.services.iam.model.IamException;
import software.amazon.awssdk.services.iam.model.AttachRolePolicyRequest;
import software.amazon.awssdk.services.iam.model.AttachedPolicy;
import software.amazon.awssdk.services.iam.model.ListAttachedRolePoliciesRequest;
import software.amazon.awssdk.services.iam.model.ListAttachedRolePoliciesResponse;
import java.util.List;
```

 **Kode** 

```
    public static void attachIAMRolePolicy(IamClient iam, String roleName, String policyArn ) {

        try {

             ListAttachedRolePoliciesRequest request = ListAttachedRolePoliciesRequest.builder()
                    .roleName(roleName)
                    .build();

            ListAttachedRolePoliciesResponse  response = iam.listAttachedRolePolicies(request);
            List<AttachedPolicy> attachedPolicies = response.attachedPolicies();

            // Ensure that the policy is not attached to this role
            String polArn = "";
            for (AttachedPolicy policy: attachedPolicies) {
                polArn = policy.policyArn();
                if (polArn.compareTo(policyArn)==0) {
                   System.out.println(roleName +
                            " policy is already attached to this role.");
                    return;
                }
          }

            AttachRolePolicyRequest attachRequest =
                AttachRolePolicyRequest.builder()
                        .roleName(roleName)
                        .policyArn(policyArn)
                        .build();

            iam.attachRolePolicy(attachRequest);

            System.out.println("Successfully attached policy " + policyArn +
                " to role " + roleName);

         } catch (IamException e) {
                System.err.println(e.awsErrorDetails().errorMessage());
                System.exit(1);
          }

     System.out.println("Done");
    }
```

Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/iam/src/main/java/com/example/iam/AttachRolePolicy.java) di GitHub.

## Daftar kebijakan peran terlampir
<a name="list-attached-role-policies"></a>

Buat daftar kebijakan terlampir pada peran dengan memanggil `listAttachedRolePolicies` metode ini. IamClient Dibutuhkan [ListAttachedRolePoliciesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/ListAttachedRolePoliciesRequest.html)objek yang berisi nama peran untuk mencantumkan kebijakan.

Panggil `getAttachedPolicies` [ListAttachedRolePoliciesResponse](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/ListAttachedRolePoliciesResponse.html)objek yang dikembalikan untuk mendapatkan daftar kebijakan terlampir. Hasil dapat terpotong; jika `isTruncated` metode `ListAttachedRolePoliciesResponse` objek kembali`true`, panggil metode `ListAttachedRolePoliciesResponse` objek. `marker` Gunakan penanda yang dikembalikan untuk membuat permintaan baru dan menggunakannya untuk memanggil `listAttachedRolePolicies` lagi untuk mendapatkan kumpulan hasil berikutnya.

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.iam.IamClient;
import software.amazon.awssdk.services.iam.model.IamException;
import software.amazon.awssdk.services.iam.model.AttachRolePolicyRequest;
import software.amazon.awssdk.services.iam.model.AttachedPolicy;
import software.amazon.awssdk.services.iam.model.ListAttachedRolePoliciesRequest;
import software.amazon.awssdk.services.iam.model.ListAttachedRolePoliciesResponse;
import java.util.List;
```

 **Kode** 

```
    public static void attachIAMRolePolicy(IamClient iam, String roleName, String policyArn ) {

        try {

             ListAttachedRolePoliciesRequest request = ListAttachedRolePoliciesRequest.builder()
                    .roleName(roleName)
                    .build();

            ListAttachedRolePoliciesResponse  response = iam.listAttachedRolePolicies(request);
            List<AttachedPolicy> attachedPolicies = response.attachedPolicies();

            // Ensure that the policy is not attached to this role
            String polArn = "";
            for (AttachedPolicy policy: attachedPolicies) {
                polArn = policy.policyArn();
                if (polArn.compareTo(policyArn)==0) {
                   System.out.println(roleName +
                            " policy is already attached to this role.");
                    return;
                }
          }

            AttachRolePolicyRequest attachRequest =
                AttachRolePolicyRequest.builder()
                        .roleName(roleName)
                        .policyArn(policyArn)
                        .build();

            iam.attachRolePolicy(attachRequest);

            System.out.println("Successfully attached policy " + policyArn +
                " to role " + roleName);

         } catch (IamException e) {
                System.err.println(e.awsErrorDetails().errorMessage());
                System.exit(1);
          }

     System.out.println("Done");
    }
```

Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/iam/src/main/java/com/example/iam/AttachRolePolicy.java) di GitHub.

## Lepaskan kebijakan peran
<a name="detach-a-role-policy"></a>

Untuk melepaskan kebijakan dari peran, panggil `detachRolePolicy` metode IamClient ini, berikan nama peran dan kebijakan ARN dalam file. [DetachRolePolicyRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/iam/model/DetachRolePolicyRequest.html)

 **Impor** 

```
import software.amazon.awssdk.services.iam.model.DetachRolePolicyRequest;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.iam.IamClient;
import software.amazon.awssdk.services.iam.model.IamException;
```

 **Kode** 

```
    public static void detachPolicy(IamClient iam, String roleName, String policyArn ) {

        try {
            DetachRolePolicyRequest request = DetachRolePolicyRequest.builder()
                    .roleName(roleName)
                    .policyArn(policyArn)
                    .build();

            iam.detachRolePolicy(request);
            System.out.println("Successfully detached policy " + policyArn +
                " from role " + roleName);

        } catch (IamException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
```

Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/iam/src/main/java/com/example/iam/DetachRolePolicy.java) di GitHub.

## Informasi lain
<a name="more-information"></a>
+  [Ikhtisar IAM Kebijakan](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html) dalam Panduan IAM Pengguna.
+ [AWS Referensi Kebijakan IAM](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies.html) dalam Panduan IAM Pengguna.
+  [CreatePolicy](https://docs.aws.amazon.com/IAM/latest/APIReference/API_CreatePolicy.html)di Referensi IAM API
+  [GetPolicy](https://docs.aws.amazon.com/IAM/latest/APIReference/API_GetPolicy.html)di Referensi IAM API
+  [AttachRolePolicy](https://docs.aws.amazon.com/IAM/latest/APIReference/API_AttachRolePolicy.html)di Referensi IAM API
+  [ListAttachedRolePolicies](https://docs.aws.amazon.com/IAM/latest/APIReference/API_ListAttachedRolePolicies.html)di Referensi IAM API
+  [DetachRolePolicy](https://docs.aws.amazon.com/IAM/latest/APIReference/API_DetachRolePolicy.html)di Referensi IAM API