@Override
public void releaseAddress(String ip) {
ComputeServiceContext context = iaasProvider.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasProvider);
NovaApi novaApi = context.unwrapApi(NovaApi.class);
FloatingIPApi floatingIPApi = novaApi.getFloatingIPExtensionForZone(region).get();
for (FloatingIP floatingIP : floatingIPApi.list()) {
if (floatingIP.getIp().equals(ip)) {
floatingIPApi.delete(floatingIP.getId());
break;
}
}
}
private boolean associateIp(FloatingIPApi floatingIPApi, String ip, String providerId) {
try {
floatingIPApi.addToServer(ip, providerId);
return true;
} catch (RuntimeException e) {
log.warn(
String.format(
"Could not associate IP address to instance: [ip] %s [provider-id] %s",
ip, providerId),
e);
return false;
}
}
@Override
public List<String> associateAddresses(NodeMetadata node) {
ComputeServiceContext context = iaasProvider.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasProvider);
if (StringUtils.isEmpty(region)) {
throw new RuntimeException(
"Could not find region in iaas provider: " + iaasProvider.getName());
}
NovaApi novaApi = context.unwrapApi(NovaApi.class);
FloatingIPApi floatingIPApi = novaApi.getFloatingIPExtensionForZone(region).get();
String ip = null;
// first try to find an unassigned IP.
FluentIterable<FloatingIP> floatingIPs = floatingIPApi.list();
ArrayList<FloatingIP> unassignedIps =
Lists.newArrayList(
Iterables.filter(
floatingIPs,
new Predicate<FloatingIP>() {
@Override
public boolean apply(FloatingIP floatingIP) {
return floatingIP.getInstanceId() == null;
}
}));
if (!unassignedIps.isEmpty()) {
// try to prevent multiple parallel launches from choosing the same ip.
Collections.shuffle(unassignedIps);
ip = Iterables.getLast(unassignedIps).getIp();
}
// if no unassigned IP is available, we'll try to allocate an IP.
if (StringUtils.isEmpty(ip)) {
String floatingIpPool =
iaasProvider.getProperty(CloudControllerConstants.DEFAULT_FLOATING_IP_POOL);
FloatingIP allocatedFloatingIP;
if (StringUtils.isEmpty(floatingIpPool)) {
allocatedFloatingIP = floatingIPApi.create();
} else {
log.debug(
String.format(
"Trying to allocate a floating IP address from IP pool %s", floatingIpPool));
allocatedFloatingIP = floatingIPApi.allocateFromPool(floatingIpPool);
}
if (allocatedFloatingIP == null) {
String msg =
String.format(
"Floating IP API did not return a floating IP address from IP pool %s",
floatingIpPool);
log.error(msg);
throw new CloudControllerException(msg);
}
ip = allocatedFloatingIP.getIp();
}
// wait till the fixed IP address gets assigned - this is needed before
// we associate a public IP
log.info(
String.format(
"Waiting for private IP addresses get allocated: [node-id] %s", node.getId()));
while (node.getPrivateAddresses() == null) {
CloudControllerUtil.sleep(1000);
}
log.info(String.format("Private IP addresses allocated: %s", node.getPrivateAddresses()));
if ((node.getPublicAddresses() != null) && (node.getPublicAddresses().iterator().hasNext())) {
log.info(
"Public IP address "
+ node.getPublicAddresses().iterator().next()
+ " is already allocated to the instance: [node-id] "
+ node.getId());
return null;
}
int retries = 0;
int retryCount = Integer.getInteger("stratos.public.ip.association.retry.count", 5);
while ((retries < retryCount) && (!associateIp(floatingIPApi, ip, node.getProviderId()))) {
// wait for 5s
CloudControllerUtil.sleep(5000);
retries++;
}
log.info(
String.format(
"Successfully associated an IP address: [node-id] %s [ip] %s", node.getId(), ip));
List<String> allocatedIPAddresses = new ArrayList<String>();
allocatedIPAddresses.add(ip);
return allocatedIPAddresses;
}
@Override
public String associatePredefinedAddress(NodeMetadata node, String ip) {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Trying to associate predefined IP address: [node-id] %s [ip] %s", node.getId(), ip));
}
ComputeServiceContext context = iaasProvider.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasProvider);
FloatingIPApi floatingIPApi =
context.unwrapApi(NovaApi.class).getFloatingIPExtensionForZone(region).get();
// get the list of all unassigned IP.
ArrayList<FloatingIP> unassignedFloatingIPs =
Lists.newArrayList(
Iterables.filter(
floatingIPApi.list(),
new Predicate<FloatingIP>() {
@Override
public boolean apply(FloatingIP floatingIP) {
return StringUtils.isEmpty(floatingIP.getFixedIp());
}
}));
boolean isAvailable = false;
for (FloatingIP floatingIP : unassignedFloatingIPs) {
if (log.isDebugEnabled()) {
log.debug(
"OpenstackNovaIaas:associatePredefinedAddress:iterating over available floatingip:"
+ floatingIP);
}
if (ip.equals(floatingIP.getIp())) {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"OpenstackNovaIaas:associatePredefinedAddress:floating ip in use:%s /ip:%s",
floatingIP, ip));
}
isAvailable = true;
break;
}
}
if (isAvailable) {
// assign ip
if (log.isDebugEnabled()) {
log.debug("OpenstackNovaIaas:associatePredefinedAddress:assign floating ip:" + ip);
}
// exercise same code as in associateAddress()
// wait till the fixed IP address gets assigned - this is needed before
// we associate a public IP
while (node.getPrivateAddresses() == null) {
CloudControllerUtil.sleep(1000);
}
int retries = 0;
int retryCount = Integer.getInteger("stratos.public.ip.association.retry.count", 5);
while (retries < retryCount && !associateIp(floatingIPApi, ip, node.getProviderId())) {
// wait for 5s
CloudControllerUtil.sleep(5000);
retries++;
}
NodeMetadataBuilder.fromNodeMetadata(node).publicAddresses(ImmutableSet.of(ip)).build();
log.info(
String.format(
"Successfully associated predefined IP address: [node-id] %s [ip] %s ",
node.getId(), ip));
return ip;
} else {
log.warn(
String.format(
"Could not associate predefined IP address: [node-id] %s [ip] %s ",
node.getId(), ip));
return null;
}
}
