Java Code Examples for com.amazonaws.services.ec2.AmazonEC2#describeKeyPairs()

The following examples show how to use com.amazonaws.services.ec2.AmazonEC2#describeKeyPairs() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DescribeKeyPairs.java    From aws-doc-sdk-examples with Apache License 2.0 5 votes vote down vote up 
public static void main(String[] args)
{
    final AmazonEC2 ec2 = AmazonEC2ClientBuilder.defaultClient();

    DescribeKeyPairsResult response = ec2.describeKeyPairs();

    for(KeyPairInfo key_pair : response.getKeyPairs()) {
        System.out.printf(
            "Found key pair with name %s " +
            "and fingerprint %s",
            key_pair.getKeyName(),
            key_pair.getKeyFingerprint());
    }
}
Example 2
Source File: EC2Application.java    From tutorials with MIT License 4 votes vote down vote up 
public static void main(String[] args) {
   
    // Set up the client
    AmazonEC2 ec2Client = AmazonEC2ClientBuilder.standard()
        .withCredentials(new AWSStaticCredentialsProvider(credentials))
        .withRegion(Regions.US_EAST_1)
        .build();

    // Create a security group
    CreateSecurityGroupRequest createSecurityGroupRequest = new CreateSecurityGroupRequest().withGroupName("BaeldungSecurityGroup")
        .withDescription("Baeldung Security Group");
    ec2Client.createSecurityGroup(createSecurityGroupRequest);

    // 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);

    // 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

    // See what key-pairs you've got
    DescribeKeyPairsRequest describeKeyPairsRequest = new DescribeKeyPairsRequest();
    DescribeKeyPairsResult describeKeyPairsResult = ec2Client.describeKeyPairs(describeKeyPairsRequest);

    // 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");

    String yourInstanceId = ec2Client.runInstances(runInstancesRequest).getReservation().getInstances().get(0).getInstanceId();

    // Start an Instance
    StartInstancesRequest startInstancesRequest = new StartInstancesRequest()
        .withInstanceIds(yourInstanceId);

    ec2Client.startInstances(startInstancesRequest);

    // Monitor Instances
    MonitorInstancesRequest monitorInstancesRequest = new MonitorInstancesRequest()
        .withInstanceIds(yourInstanceId);

    ec2Client.monitorInstances(monitorInstancesRequest);

    UnmonitorInstancesRequest unmonitorInstancesRequest = new UnmonitorInstancesRequest()
        .withInstanceIds(yourInstanceId);

    ec2Client.unmonitorInstances(unmonitorInstancesRequest);

    // Reboot an Instance

    RebootInstancesRequest rebootInstancesRequest = new RebootInstancesRequest()
        .withInstanceIds(yourInstanceId);

    ec2Client.rebootInstances(rebootInstancesRequest);

    // Stop an Instance
    StopInstancesRequest stopInstancesRequest = new StopInstancesRequest()
        .withInstanceIds(yourInstanceId);

    ec2Client.stopInstances(stopInstancesRequest)
        .getStoppingInstances()
        .get(0)
        .getPreviousState()
        .getName();

    // Describe an Instance
    DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest();
    DescribeInstancesResult response = ec2Client.describeInstances(describeInstancesRequest);
    System.out.println(response.getReservations()
        .get(0)
        .getInstances()
        .get(0)
        .getKernelId());
}