diff --git a/aws/src/main/java/com/baeldung/ec2/EC2Application.java b/aws/src/main/java/com/baeldung/ec2/EC2Application.java new file mode 100644 index 0000000000..bb7d8ca1d7 --- /dev/null +++ b/aws/src/main/java/com/baeldung/ec2/EC2Application.java @@ -0,0 +1,139 @@ +package com.baeldung.ec2; + +import java.util.Arrays; + +import com.amazonaws.auth.AWSCredentials; +import com.amazonaws.auth.AWSStaticCredentialsProvider; +import com.amazonaws.auth.BasicAWSCredentials; +import com.amazonaws.regions.Regions; +import com.amazonaws.services.ec2.AmazonEC2; +import com.amazonaws.services.ec2.AmazonEC2ClientBuilder; +import com.amazonaws.services.ec2.model.AuthorizeSecurityGroupIngressRequest; +import com.amazonaws.services.ec2.model.CreateKeyPairRequest; +import com.amazonaws.services.ec2.model.CreateKeyPairResult; +import com.amazonaws.services.ec2.model.CreateSecurityGroupRequest; +import com.amazonaws.services.ec2.model.DescribeInstancesRequest; +import com.amazonaws.services.ec2.model.DescribeInstancesResult; +import com.amazonaws.services.ec2.model.DescribeKeyPairsRequest; +import com.amazonaws.services.ec2.model.DescribeKeyPairsResult; +import com.amazonaws.services.ec2.model.IpPermission; +import com.amazonaws.services.ec2.model.IpRange; +import com.amazonaws.services.ec2.model.MonitorInstancesRequest; +import com.amazonaws.services.ec2.model.RebootInstancesRequest; +import com.amazonaws.services.ec2.model.RunInstancesRequest; +import com.amazonaws.services.ec2.model.StartInstancesRequest; +import com.amazonaws.services.ec2.model.StopInstancesRequest; +import com.amazonaws.services.ec2.model.UnmonitorInstancesRequest; + +public class EC2Application { + + private static final AWSCredentials credentials; + + static { + // put your accesskey and secretkey here + credentials = new BasicAWSCredentials( + "", + "" + ); + } + + public static void main(String[] args) { + + String yourInstanceId = ""; + + // 0) - Set up the client + AmazonEC2 ec2Client = AmazonEC2ClientBuilder.standard() + .withCredentials(new AWSStaticCredentialsProvider(credentials)) + .withRegion(Regions.US_EAST_1) + .build(); + + // 1) - Create a security group + CreateSecurityGroupRequest createSecurityGroupRequest = new CreateSecurityGroupRequest().withGroupName("BaeldungSecurityGroup") + .withDescription("Baeldung Security Group"); + ec2Client.createSecurityGroup(createSecurityGroupRequest); + + // 2) - Allow HTTP and SSH traffic + IpRange ipRange1 = new IpRange().withCidrIp("0.0.0.0/0"); + + IpPermission ipPermission1 = new IpPermission().withIpv4Ranges(Arrays.asList(new IpRange[] { ipRange1 })) + .withIpProtocol("tcp") + .withFromPort(80) + .withToPort(80); + + IpPermission ipPermission2 = new IpPermission().withIpv4Ranges(Arrays.asList(new IpRange[] { ipRange1 })) + .withIpProtocol("tcp") + .withFromPort(22) + .withToPort(22); + + AuthorizeSecurityGroupIngressRequest authorizeSecurityGroupIngressRequest = new AuthorizeSecurityGroupIngressRequest() + .withGroupName("BaeldungSecurityGroup") + .withIpPermissions(ipPermission1, ipPermission2); + + ec2Client.authorizeSecurityGroupIngress(authorizeSecurityGroupIngressRequest); + + // 3) - Create KeyPair + CreateKeyPairRequest createKeyPairRequest = new CreateKeyPairRequest() + .withKeyName("baeldung-key-pair"); + CreateKeyPairResult createKeyPairResult = ec2Client.createKeyPair(createKeyPairRequest); + String privateKey = createKeyPairResult + .getKeyPair() + .getKeyMaterial(); // make sure you keep it, the private key, Amazon doesn't store the private key + + // 4) - See what key-pairs you've got + DescribeKeyPairsRequest describeKeyPairsRequest = new DescribeKeyPairsRequest(); + DescribeKeyPairsResult describeKeyPairsResult = ec2Client.describeKeyPairs(describeKeyPairsRequest); + + // 5) - Launch an Amazon Instance + RunInstancesRequest runInstancesRequest = new RunInstancesRequest().withImageId("ami-97785bed") // https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html | https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/usingsharedamis-finding.html + .withInstanceType("t2.micro") // https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html + .withMinCount(1) + .withMaxCount(1) + .withKeyName("baeldung-key-pair") // optional - if not present, can't connect to instance + .withSecurityGroups("BaeldungSecurityGroup"); + + ec2Client.runInstances(runInstancesRequest); + + // 6) Monitor Instances + MonitorInstancesRequest monitorInstancesRequest = new MonitorInstancesRequest() + .withInstanceIds(yourInstanceId); + + ec2Client.monitorInstances(monitorInstancesRequest); + + UnmonitorInstancesRequest unmonitorInstancesRequest = new UnmonitorInstancesRequest() + .withInstanceIds(yourInstanceId); + + ec2Client.unmonitorInstances(unmonitorInstancesRequest); + + // 7) - Reboot an Instance + + RebootInstancesRequest rebootInstancesRequest = new RebootInstancesRequest() + .withInstanceIds(yourInstanceId); + + ec2Client.rebootInstances(rebootInstancesRequest); + + // 8) - Stop an Instance + StopInstancesRequest stopInstancesRequest = new StopInstancesRequest() + .withInstanceIds(yourInstanceId); + + ec2Client.stopInstances(stopInstancesRequest) + .getStoppingInstances() + .get(0) + .getPreviousState() + .getName(); + + // 9) - Start an Instance + StartInstancesRequest startInstancesRequest = new StartInstancesRequest() + .withInstanceIds("instance-id"); + + ec2Client.startInstances(startInstancesRequest); + + // 10) - Describe an Instance + DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest(); + DescribeInstancesResult response = ec2Client.describeInstances(describeInstancesRequest); + System.out.println(response.getReservations() + .get(0) + .getInstances() + .get(0) + .getKernelId()); + } +}