use of software.amazon.awssdk.services.ec2.model.Reservation 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;
}
use of software.amazon.awssdk.services.ec2.model.Reservation 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;
}
use of software.amazon.awssdk.services.ec2.model.Reservation 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);
}
use of software.amazon.awssdk.services.ec2.model.Reservation 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;
}
use of software.amazon.awssdk.services.ec2.model.Reservation in project airavata by apache.
the class AmazonUtil method loadInstances.
/**
* Load instances
*
* @return list of instances
*/
public static List<Instance> loadInstances() {
List<Instance> resultList = new ArrayList<Instance>();
DescribeInstancesResult describeInstancesResult = getEC2Client().describeInstances();
List<Reservation> reservations = describeInstancesResult.getReservations();
for (Iterator<Reservation> iterator = reservations.iterator(); iterator.hasNext(); ) {
Reservation reservation = iterator.next();
for (Instance instance : reservation.getInstances()) {
resultList.add(instance);
}
}
return resultList;
}
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