public String toString() {
String ret = "\n";
while (true) {
if (amazon == null)
try {
amazon = JCS.getInstance("Instances");
} catch (CacheException e) {
e.printStackTrace();
continue;
}
synchronized (AmazonService.class) {
for (Object key : amazon.getGroupKeys("Instances")) {
Instance i = (Instance) amazon.getFromGroup(key, "Instances");
if (i == null) continue;
ret +=
(i.getInstanceId()
+ " "
+ i.getImageId()
+ " "
+ i.getImageId()
+ " "
+ i.getArchitecture()
+ " "
+ i.getPrivateDnsName()
+ " "
+ i.getState().getName())
+ "\n";
}
for (Object key : amazon.getGroupKeys("AMIs")) {
Image r = (Image) amazon.getFromGroup(key, "AMIs");
;
if (r == null) continue;
ret += (r.getImageId() + " " + r.getDescription() + " " + r.getState()) + "\n";
}
}
if (ret.length() > 10) break;
else {
try {
Thread.sleep(1000 * 5);
} catch (InterruptedException e) {
e.printStackTrace();
}
continue;
}
}
return ret;
}
private Instance locateInstanceToSSH(List<Instance> instances) {
for (int i = 0; i < instances.size(); i++) {
com.amazonaws.services.ec2.model.Instance remoteInstance = instances.get(i);
logger.info(
"index={}, instanceId={}, state={}, publicDNS={}, privateDNS={}",
i,
remoteInstance.getInstanceId(),
remoteInstance.getState().getName(),
remoteInstance.getPublicDnsName(),
remoteInstance.getPrivateDnsName());
}
Asserts.isTrue(
instances.size() == 1 || instanceIndex != null,
"more than one remoteInstance, use --{} to specify index",
Param.INSTANCE_INDEX.key);
return instances.size() == 1 ? instances.get(0) : instances.get(instanceIndex);
}
private String getHostName(EC2Computer computer)
throws AmazonClientException, InterruptedException {
Instance instance;
instance = computer.updateInstanceDescription();
String vpc_id = instance.getVpcId();
String host;
if (computer.getNode().usePrivateDnsName) {
host = instance.getPrivateDnsName();
} else {
/* VPC hosts don't have public DNS names, so we need to use an IP address instead */
if (vpc_id == null || vpc_id.equals("")) {
host = instance.getPublicDnsName();
} else {
host = instance.getPrivateIpAddress();
}
}
return host;
}
protected EC2OndemandSlave newOndemandSlave(Instance inst) throws FormException, IOException {
return new EC2OndemandSlave(
inst.getInstanceId(),
description,
remoteFS,
getNumExecutors(),
labels,
mode,
initScript,
tmpDir,
remoteAdmin,
jvmopts,
stopOnTerminate,
idleTerminationMinutes,
inst.getPublicDnsName(),
inst.getPrivateDnsName(),
EC2Tag.fromAmazonTags(inst.getTags()),
parent.name,
usePrivateDnsName,
useDedicatedTenancy,
getLaunchTimeout(),
amiType);
}
private String hostName(Instance remoteInstance) {
String publicDNS = remoteInstance.getPublicDnsName();
return publicDNS != null ? publicDNS : remoteInstance.getPrivateDnsName();
}
@Override
public List<DiscoveryNode> buildDynamicNodes() {
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 = 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 (Collections.disjoint(securityGroupNames, groups)
&& Collections.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;
switch (hostType) {
case PRIVATE_DNS:
address = instance.getPrivateDnsName();
break;
case PRIVATE_IP:
address = instance.getPrivateIpAddress();
break;
case PUBLIC_DNS:
address = instance.getPublicDnsName();
break;
case PUBLIC_IP:
address = instance.getPublicIpAddress();
break;
}
if (address != null) {
try {
TransportAddress[] addresses = transportService.addressesFromString(address);
// we only limit to 1 addresses, makes no sense to ping 100 ports
for (int i = 0; (i < addresses.length && i < UnicastZenPing.LIMIT_PORTS_COUNT); i++) {
logger.trace(
"adding {}, address {}, transport_address {}",
instance.getInstanceId(),
address,
addresses[i]);
discoNodes.add(
new DiscoveryNode(
"#cloud-" + instance.getInstanceId() + "-" + i,
addresses[i],
version.minimumCompatibilityVersion()));
}
} catch (Exception e) {
logger.warn("failed ot add {}, address {}", e, instance.getInstanceId(), address);
}
} else {
logger.trace(
"not adding {}, address is null, host_type {}", instance.getInstanceId(), hostType);
}
}
}
logger.debug("using dynamic discovery nodes {}", discoNodes);
return discoNodes;
}
