Examples with Instance software.amazon.awssdk.services.ec2.model.Instance used on opensource projects

Example 1 with Instance

use of software.amazon.awssdk.services.ec2.model.Instance in project druid by druid-io.

the class EC2AutoScaler method terminate.

@Override
public AutoScalingData terminate(List<String> ips) {
    if (ips.isEmpty()) {
        return new AutoScalingData(Lists.<String>newArrayList());
    }
    DescribeInstancesResult result = amazonEC2Client.describeInstances(new DescribeInstancesRequest().withFilters(new Filter("private-ip-address", ips)));
    List<Instance> instances = Lists.newArrayList();
    for (Reservation reservation : result.getReservations()) {
        instances.addAll(reservation.getInstances());
    }
    try {
        return terminateWithIds(Lists.transform(instances, new Function<Instance, String>() {

            @Override
            public String apply(Instance input) {
                return input.getInstanceId();
            }
        }));
    } catch (Exception e) {
        log.error(e, "Unable to terminate any instances.");
    }
    return null;
}

Example 2 with Instance

use of software.amazon.awssdk.services.ec2.model.Instance in project elasticsearch by elastic.

the class AwsEc2UnicastHostsProvider method fetchDynamicNodes.

protected List<DiscoveryNode> fetchDynamicNodes() {
    List<DiscoveryNode> discoNodes = new ArrayList<>();
    DescribeInstancesResult descInstances;
    try {
        // Query EC2 API based on AZ, instance state, and tag.
        // NOTE: we don't filter by security group during the describe instances request for two reasons:
        // 1. differences in VPCs require different parameters during query (ID vs Name)
        // 2. We want to use two different strategies: (all security groups vs. any security groups)
        descInstances = SocketAccess.doPrivileged(() -> client.describeInstances(buildDescribeInstancesRequest()));
    } catch (AmazonClientException e) {
        logger.info("Exception while retrieving instance list from AWS API: {}", e.getMessage());
        logger.debug("Full exception:", e);
        return discoNodes;
    }
    logger.trace("building dynamic unicast discovery nodes...");
    for (Reservation reservation : descInstances.getReservations()) {
        for (Instance instance : reservation.getInstances()) {
            // lets see if we can filter based on groups
            if (!groups.isEmpty()) {
                List<GroupIdentifier> instanceSecurityGroups = instance.getSecurityGroups();
                ArrayList<String> securityGroupNames = new ArrayList<String>();
                ArrayList<String> securityGroupIds = new ArrayList<String>();
                for (GroupIdentifier sg : instanceSecurityGroups) {
                    securityGroupNames.add(sg.getGroupName());
                    securityGroupIds.add(sg.getGroupId());
                }
                if (bindAnyGroup) {
                    // We check if we can find at least one group name or one group id in groups.
                    if (disjoint(securityGroupNames, groups) && disjoint(securityGroupIds, groups)) {
                        logger.trace("filtering out instance {} based on groups {}, not part of {}", instance.getInstanceId(), instanceSecurityGroups, groups);
                        // continue to the next instance
                        continue;
                    }
                } else {
                    // We need tp match all group names or group ids, otherwise we ignore this instance
                    if (!(securityGroupNames.containsAll(groups) || securityGroupIds.containsAll(groups))) {
                        logger.trace("filtering out instance {} based on groups {}, does not include all of {}", instance.getInstanceId(), instanceSecurityGroups, groups);
                        // continue to the next instance
                        continue;
                    }
                }
            }
            String address = null;
            if (hostType.equals(PRIVATE_DNS)) {
                address = instance.getPrivateDnsName();
            } else if (hostType.equals(PRIVATE_IP)) {
                address = instance.getPrivateIpAddress();
            } else if (hostType.equals(PUBLIC_DNS)) {
                address = instance.getPublicDnsName();
            } else if (hostType.equals(PUBLIC_IP)) {
                address = instance.getPublicIpAddress();
            } else if (hostType.startsWith(TAG_PREFIX)) {
                // Reading the node host from its metadata
                String tagName = hostType.substring(TAG_PREFIX.length());
                logger.debug("reading hostname from [{}] instance tag", tagName);
                List<Tag> tags = instance.getTags();
                for (Tag tag : tags) {
                    if (tag.getKey().equals(tagName)) {
                        address = tag.getValue();
                        logger.debug("using [{}] as the instance address", address);
                    }
                }
            } else {
                throw new IllegalArgumentException(hostType + " is unknown for discovery.ec2.host_type");
            }
            if (address != null) {
                try {
                    // we only limit to 1 port per address, makes no sense to ping 100 ports
                    TransportAddress[] addresses = transportService.addressesFromString(address, 1);
                    for (int i = 0; i < addresses.length; i++) {
                        logger.trace("adding {}, address {}, transport_address {}", instance.getInstanceId(), address, addresses[i]);
                        discoNodes.add(new DiscoveryNode(instance.getInstanceId(), "#cloud-" + instance.getInstanceId() + "-" + i, addresses[i], emptyMap(), emptySet(), Version.CURRENT.minimumCompatibilityVersion()));
                    }
                } catch (Exception e) {
                    final String finalAddress = address;
                    logger.warn((Supplier<?>) () -> new ParameterizedMessage("failed to add {}, address {}", instance.getInstanceId(), finalAddress), e);
                }
            } else {
                logger.trace("not adding {}, address is null, host_type {}", instance.getInstanceId(), hostType);
            }
        }
    }
    logger.debug("using dynamic discovery nodes {}", discoNodes);
    return discoNodes;
}

Example 3 with Instance

use of software.amazon.awssdk.services.ec2.model.Instance in project GNS by MobilityFirst.

the class AWSEC2 method describeInstances.

/**
   * Describe Current Instances
   *
   * @param ec2
   */
public static void describeInstances(AmazonEC2 ec2) {
    StringBuilder output = new StringBuilder();
    String prefix = currentTab + "Current Instances: ";
    DescribeInstancesResult describeInstancesResult = ec2.describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    Set<Instance> instances = new HashSet<Instance>();
    // add all instances to a Set.
    for (Reservation reservation : reservations) {
        instances.addAll(reservation.getInstances());
    }
    prefix = prefix.concat(" [" + instances.size() + " total] ");
    for (Instance ins : instances) {
        // instance state
        output.append(prefix);
        prefix = ", ";
        output.append(ins.getPublicDnsName());
        output.append(" (");
        output.append(ins.getInstanceId());
        output.append(") ");
        output.append(ins.getState().getName());
    }
    System.out.println(output);
}

Example 4 with Instance

use of software.amazon.awssdk.services.ec2.model.Instance in project GNS by MobilityFirst.

the class AWSEC2 method createAndAttachVolume.

/**
   * Creates a volume and attaches and mounts it on the instance at the specified mount point.
   *
   * @param ec2
   * @param instanceId
   * @param mountPoint
   * @return the id of the volume
   */
public static String createAndAttachVolume(AmazonEC2 ec2, String instanceId, String mountPoint) {
    // ATTACH A VOLUME
    Instance instance = findInstance(ec2, instanceId);
    String zone = instance.getPlacement().getAvailabilityZone();
    CreateVolumeRequest newVolumeRequest = new CreateVolumeRequest();
    //1.0GB
    newVolumeRequest.setSize(1);
    // set its available zone, it may change.
    newVolumeRequest.setAvailabilityZone(zone);
    CreateVolumeResult volumeResult = ec2.createVolume(newVolumeRequest);
    Volume v1 = volumeResult.getVolume();
    String volumeID = v1.getVolumeId();
    //begin to attach the volume to instance
    AttachVolumeRequest avr = new AttachVolumeRequest();
    avr.withInstanceId(instanceId);
    avr.withVolumeId(volumeID);
    //mount it
    avr.withDevice(mountPoint);
    ec2.attachVolume(avr);
    System.out.println("EBS volume has been attached and the volume ID is: " + volumeID);
    return (volumeID);
}

Example 5 with Instance

use of software.amazon.awssdk.services.ec2.model.Instance in project GNS by MobilityFirst.

the class AWSEC2 method findInstance.

/**
   * Find an instance
   *
   * @param ec2
   * @param createdInstanceId
   * @return the name of the instance or null
   */
public static Instance findInstance(AmazonEC2 ec2, String createdInstanceId) {
    DescribeInstancesResult describeInstancesResult = ec2.describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    Set<Instance> instances = new HashSet<>();
    // add all instances to a Set.
    for (Reservation reservation : reservations) {
        instances.addAll(reservation.getInstances());
    }
    for (Instance instance : instances) {
        if (createdInstanceId.equals(instance.getInstanceId())) {
            return instance;
        }
    }
    return null;
}