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# Kelola Amazon EC2 instance
## Buatlah sebuah instans
Buat Amazon EC2 instance baru dengan memanggil [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#runInstances(software.amazon.awssdk.services.ec2.model.RunInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#runInstances(software.amazon.awssdk.services.ec2.model.RunInstancesRequest))metode [Ec2Client](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html), sediakan dengan [RunInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/RunInstancesRequest.html)berisi [Amazon Machine Image (AMI)](https://docs.aws.amazon.com//AWSEC2/latest/UserGuide/AMIs.html) untuk digunakan dan jenis [instance](https://docs.aws.amazon.com//AWSEC2/latest/UserGuide/instance-types.html).
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.InstanceType;
import software.amazon.awssdk.services.ec2.model.RunInstancesRequest;
import software.amazon.awssdk.services.ec2.model.RunInstancesResponse;
import software.amazon.awssdk.services.ec2.model.Tag;
import software.amazon.awssdk.services.ec2.model.CreateTagsRequest;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
```
**Kode**
```
public static String createEC2Instance(Ec2Client ec2,String name, String amiId ) {
RunInstancesRequest runRequest = RunInstancesRequest.builder()
.imageId(amiId)
.instanceType(InstanceType.T1_MICRO)
.maxCount(1)
.minCount(1)
.build();
RunInstancesResponse response = ec2.runInstances(runRequest);
String instanceId = response.instances().get(0).instanceId();
Tag tag = Tag.builder()
.key("Name")
.value(name)
.build();
CreateTagsRequest tagRequest = CreateTagsRequest.builder()
.resources(instanceId)
.tags(tag)
.build();
try {
ec2.createTags(tagRequest);
System.out.printf(
"Successfully started EC2 Instance %s based on AMI %s",
instanceId, amiId);
return instanceId;
} catch (Ec2Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
return "";
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/CreateInstance.java) di GitHub.
## Memulai instans
Untuk memulai sebuah Amazon EC2 instance, panggil [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#startInstances(software.amazon.awssdk.services.ec2.model.StartInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#startInstances(software.amazon.awssdk.services.ec2.model.StartInstancesRequest))metode Ec2Client, sediakan dengan ID [StartInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/StartInstancesRequest.html)yang berisi instance untuk memulai.
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.StartInstancesRequest;
import software.amazon.awssdk.services.ec2.model.StopInstancesRequest;
```
**Kode**
```
public static void startInstance(Ec2Client ec2, String instanceId) {
StartInstancesRequest request = StartInstancesRequest.builder()
.instanceIds(instanceId)
.build();
ec2.startInstances(request);
System.out.printf("Successfully started instance %s", instanceId);
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/StartStopInstance.java) di GitHub.
## Menghentikan instans
Untuk menghentikan Amazon EC2 instance, panggil [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#stopInstances(software.amazon.awssdk.services.ec2.model.StopInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#stopInstances(software.amazon.awssdk.services.ec2.model.StopInstancesRequest))metode Ec2Client, berikan ID yang [StopInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/StopInstancesRequest.html)berisi instance untuk berhenti.
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.StartInstancesRequest;
import software.amazon.awssdk.services.ec2.model.StopInstancesRequest;
```
**Kode**
```
public static void stopInstance(Ec2Client ec2, String instanceId) {
StopInstancesRequest request = StopInstancesRequest.builder()
.instanceIds(instanceId)
.build();
ec2.stopInstances(request);
System.out.printf("Successfully stopped instance %s", instanceId);
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/StartStopInstance.java) di GitHub.
## Menyalakan ulang instans
Untuk me-reboot sebuah Amazon EC2 instance, panggil [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#rebootInstances(software.amazon.awssdk.services.ec2.model.RebootInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#rebootInstances(software.amazon.awssdk.services.ec2.model.RebootInstancesRequest))metode Ec2Client, berikan ID yang [RebootInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/RebootInstancesRequest.html)berisi instance untuk reboot.
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
import software.amazon.awssdk.services.ec2.model.RebootInstancesRequest;
```
**Kode**
```
public static void rebootEC2Instance(Ec2Client ec2, String instanceId) {
try {
RebootInstancesRequest request = RebootInstancesRequest.builder()
.instanceIds(instanceId)
.build();
ec2.rebootInstances(request);
System.out.printf(
"Successfully rebooted instance %s", instanceId);
} catch (Ec2Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/RebootInstance.java) di GitHub.
## Menjelaskan instans
Untuk membuat daftar instance Anda, buat [DescribeInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/DescribeInstancesRequest.html)dan panggil metode Ec2Client. [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#describeInstances(software.amazon.awssdk.services.ec2.model.DescribeInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#describeInstances(software.amazon.awssdk.services.ec2.model.DescribeInstancesRequest)) Ini akan mengembalikan [DescribeInstancesResponse](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/DescribeInstancesResponse.html)objek yang dapat Anda gunakan untuk daftar Amazon EC2 instance untuk akun dan wilayah Anda.
*Instans dikelompokkan berdasarkan reservasi.* Setiap reservasi sesuai dengan panggilan `startInstances` yang meluncurkan instance. Untuk membuat daftar instance Anda, Anda harus terlebih dahulu memanggil `reservations` metode `DescribeInstancesResponse` kelas, dan kemudian memanggil `instances` setiap objek [Reservasi](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/Reservation.html) yang dikembalikan.
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.DescribeInstancesRequest;
import software.amazon.awssdk.services.ec2.model.DescribeInstancesResponse;
import software.amazon.awssdk.services.ec2.model.Instance;
import software.amazon.awssdk.services.ec2.model.Reservation;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
```
**Kode**
```
public static void describeEC2Instances( Ec2Client ec2){
String nextToken = null;
try {
do {
DescribeInstancesRequest request = DescribeInstancesRequest.builder().maxResults(6).nextToken(nextToken).build();
DescribeInstancesResponse response = ec2.describeInstances(request);
for (Reservation reservation : response.reservations()) {
for (Instance instance : reservation.instances()) {
System.out.println("Instance Id is " + instance.instanceId());
System.out.println("Image id is "+ instance.imageId());
System.out.println("Instance type is "+ instance.instanceType());
System.out.println("Instance state name is "+ instance.state().name());
System.out.println("monitoring information is "+ instance.monitoring().state());
}
}
nextToken = response.nextToken();
} while (nextToken != null);
} catch (Ec2Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
}
```
Hasil paged; Anda bisa mendapatkan hasil lebih lanjut dengan meneruskan nilai yang dikembalikan dari `nextToken` metode objek hasil ke `nextToken` metode objek permintaan baru, kemudian menggunakan objek permintaan baru dalam panggilan berikutnya. `describeInstances`
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/DescribeInstances.java) di GitHub.
## Memantau sebuah instance
Anda dapat memantau berbagai aspek Amazon EC2 instance Anda, seperti CPU dan pemanfaatan jaringan, memori yang tersedia, dan ruang disk yang tersisa. Untuk mempelajari lebih lanjut tentang pemantauan instans, lihat [Pemantauan Amazon EC2](https://docs.aws.amazon.com//AWSEC2/latest/UserGuide/monitoring_ec2.html) di Panduan Amazon EC2 Pengguna untuk Instans Linux.
Untuk mulai memantau instance, Anda harus membuat [MonitorInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/MonitorInstancesRequest.html)dengan ID instance untuk dipantau, dan meneruskannya ke metode [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#monitorInstances(software.amazon.awssdk.services.ec2.model.MonitorInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#monitorInstances(software.amazon.awssdk.services.ec2.model.MonitorInstancesRequest))Ec2Client.
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.MonitorInstancesRequest;
import software.amazon.awssdk.services.ec2.model.UnmonitorInstancesRequest;
```
**Kode**
```
public static void monitorInstance( Ec2Client ec2, String instanceId) {
MonitorInstancesRequest request = MonitorInstancesRequest.builder()
.instanceIds(instanceId).build();
ec2.monitorInstances(request);
System.out.printf(
"Successfully enabled monitoring for instance %s",
instanceId);
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/MonitorInstance.java) di GitHub.
## Hentikan pemantauan instans
Untuk menghentikan pemantauan instance, buat [UnmonitorInstancesRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/model/UnmonitorInstancesRequest.html)dengan ID instance untuk menghentikan pemantauan, dan teruskan ke metode Ec2Client. [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#unmonitorInstances(software.amazon.awssdk.services.ec2.model.UnmonitorInstancesRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/ec2/Ec2Client.html#unmonitorInstances(software.amazon.awssdk.services.ec2.model.UnmonitorInstancesRequest))
**Impor**
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.MonitorInstancesRequest;
import software.amazon.awssdk.services.ec2.model.UnmonitorInstancesRequest;
```
**Kode**
```
public static void unmonitorInstance(Ec2Client ec2, String instanceId) {
UnmonitorInstancesRequest request = UnmonitorInstancesRequest.builder()
.instanceIds(instanceId).build();
ec2.unmonitorInstances(request);
System.out.printf(
"Successfully disabled monitoring for instance %s",
instanceId);
}
```
Lihat [contoh lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/ac748d8ef99cd17e297cb74fe13aa671e2679088/javav2/example_code/ec2/src/main/java/com/example/ec2/MonitorInstance.java) di GitHub.
## Informasi selengkapnya
+ [RunInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RunInstances.html)di Referensi Amazon EC2 API
+ [DescribeInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html)di Referensi Amazon EC2 API
+ [StartInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_StartInstances.html)di Referensi Amazon EC2 API
+ [StopInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_StopInstances.html)di Referensi Amazon EC2 API
+ [RebootInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RebootInstances.html)di Referensi Amazon EC2 API
+ [MonitorInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_MonitorInstances.html)di Referensi Amazon EC2 API
+ [UnmonitorInstances](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_UnmonitorInstances.html)di Referensi Amazon EC2 API