@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 List<String> associateAddresses(NodeMetadata node) {
assertNotNull(node, "Node cannot be null");
if (null == neutronApi || null == portApi || null == floatingIPApi) {
buildNeutronApi();
}
// internal network uuid to floating networks map, as defined in cartridge definition
Map<String, List<FloatingNetwork>> networkUuidToFloatingNetworksMap =
getNetworkUuidToFloatingNetworksMap(iaasProvider.getNetworkInterfaces());
// private IP to floating networks map, as defined in cartridge definition
Map<String, List<FloatingNetwork>> fixedIPToFloatingNetworksMap =
getFixedIPToFloatingNetworksMap(iaasProvider.getNetworkInterfaces());
// list of IPs allocated to this node
List<String> associatedFloatingIPs = new ArrayList<String>();
// wait until node gets private IPs
while (node.getPrivateAddresses() == null) {
CloudControllerUtil.sleep(1000);
}
// loop through all the fixed IPs of this node
// and see whether we need to assign floating IP to each according to the cartridge deployment
for (String privateIPOfTheNode : node.getPrivateAddresses()) {
Port portOfTheFixedIP = getPortByFixedIP(privateIPOfTheNode);
if (null == portOfTheFixedIP) {
// we can't assign floating IP if port is null
// it can't happen, a fixed/private IP can't live without a port
// but doing a null check to be on the safe side
if (log.isDebugEnabled()) {
String msg = String.format("Port not found for fixed IP %s", privateIPOfTheNode);
log.debug(msg);
}
continue;
}
// get list of floating networks associated with each network interfaces (refer cartridge
// definition)
List<FloatingNetwork> floatingNetworks =
networkUuidToFloatingNetworksMap.get(portOfTheFixedIP.getNetworkId());
// if no floating networks is defined for a network interface, no need to assign any floating
// IPs, skip the current iteration
if (null == floatingNetworks || floatingNetworks.isEmpty()) {
// since no floating networks found in networkUuidToFloatingNetworksMap,
// we will search in fixedIPToFloatingNetworksMap
floatingNetworks = fixedIPToFloatingNetworksMap.get(privateIPOfTheNode);
if (null == floatingNetworks || floatingNetworks.isEmpty()) {
if (log.isDebugEnabled()) {
String msg =
String.format(
"No floating networks defined for the network interface %s",
portOfTheFixedIP.getNetworkId());
log.debug(msg);
}
}
continue;
}
// if floating networks defined for a network interface, assign one floating IP from each
// floating network
for (FloatingNetwork floatingNetwork : floatingNetworks) {
FloatingIP allocatedFloatingIP = null;
if (floatingNetwork.getNetworkUuid() != null
&& !floatingNetwork.getNetworkUuid().isEmpty()) {
allocatedFloatingIP =
assignFloatingIP(portOfTheFixedIP, floatingNetwork.getNetworkUuid());
} else if (floatingNetwork.getFloatingIP() != null
&& !floatingNetwork.getFloatingIP().isEmpty()) {
allocatedFloatingIP =
assignPredefinedFloatingIP(portOfTheFixedIP, floatingNetwork.getFloatingIP());
} else {
String msg =
String.format(
"Neither floating network uuid or floating IP defined for the floating network %s",
floatingNetwork.getName());
log.error(msg);
throw new CloudControllerException(msg);
}
String allocatedFloatingIPNullMsg =
String.format(
"Error occured while assigning floating IP. "
+ "Please check whether the floating network %s can be reached from the fixed IP range",
floatingNetwork.getNetworkUuid());
assertNotNull(allocatedFloatingIP, allocatedFloatingIPNullMsg);
String allocatedFloatingIPAddressNullOrEmptyMsg =
String.format(
"Error occured while assigning floating IP. "
+ "Please check whether the floating network %s can be reached from the fixed IP range",
floatingNetwork.getNetworkUuid());
assertNotNullAndNotEmpty(
allocatedFloatingIP.getFloatingIpAddress(), allocatedFloatingIPAddressNullOrEmptyMsg);
associatedFloatingIPs.add(allocatedFloatingIP.getFloatingIpAddress());
}
}
return associatedFloatingIPs;
}
@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;
}
}
@Override
public synchronized List<String> associateAddresses(NodeMetadata node) {
IaasProvider iaasInfo = getIaasProvider();
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
ElasticIPAddressApi elasticIPAddressApi =
context.unwrapApi(AWSEC2Api.class).getElasticIPAddressApi().get();
String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
String ip = null;
// first try to find an unassigned IP.
ArrayList<PublicIpInstanceIdPair> unassignedIps =
Lists.newArrayList(
Iterables.filter(
elasticIPAddressApi.describeAddressesInRegion(region),
new Predicate<PublicIpInstanceIdPair>() {
@Override
public boolean apply(PublicIpInstanceIdPair arg0) {
return arg0.getInstanceId() == null;
}
}));
if (!unassignedIps.isEmpty()) {
// try to prevent multiple parallel launches from choosing the same
// ip.
Collections.shuffle(unassignedIps);
ip = Iterables.getLast(unassignedIps).getPublicIp();
}
// if no unassigned IP is available, we'll try to allocate an IP.
if (ip == null || ip.isEmpty()) {
try {
ip = elasticIPAddressApi.allocateAddressInRegion(region);
log.info("Allocated ip [" + ip + "]");
} catch (Exception e) {
String msg = "Failed to allocate an IP address. All IP addresses are in use.";
log.error(msg, e);
throw new CloudControllerException(msg, e);
}
}
String id = node.getProviderId();
// 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;
while (retries < 12 && !associatePublicIp(elasticIPAddressApi, region, ip, id)) {
// wait for 5s
CloudControllerUtil.sleep(5000);
retries++;
}
log.debug("Successfully associated an IP address " + ip + " for node with id: " + node.getId());
List<String> associatedIPs = new ArrayList<String>();
associatedIPs.add(ip);
return associatedIPs;
}