public static Allocation start(final VmInstance vm) {
BootableSet bootSet = Emis.recreateBootableSet(vm);
return new Allocation(
vm.getReservationId(),
vm.getInstanceId(),
vm.getInstanceUuid(),
vm.getUserData(),
vm.getExpiration(),
vm.lookupPartition(),
vm.getKeyPair(),
bootSet,
vm.getVmType(),
vm.getNetworkGroups(),
vm.isUsePrivateAddressing(),
vm.getMonitoring(),
vm.getClientToken(),
vm.getIamInstanceProfileArn(),
vm.getIamInstanceProfileId(),
vm.getIamRoleArn());
}
public class NetworkInfoBroadcaster {
private static final Logger logger = Logger.getLogger(NetworkInfoBroadcaster.class);
private static final AtomicLong lastBroadcastTime = new AtomicLong(0L);
private static final Lock lastBroadcastTimeLock = new ReentrantLock();
private static final Semaphore activeBroadcastSemaphore = new Semaphore(1);
private static final EntityCache<VmInstance, NetworkInfoBroadcasts.VmInstanceNetworkView>
instanceCache =
new EntityCache<>(
VmInstance.named(null),
Restrictions.not(VmInstance.criterion(TORNDOWN.array())),
Sets.newHashSet("networkGroups"),
Sets.newHashSet("bootRecord.machineImage", "bootRecord.vmType"),
TypeMappers.lookup(VmInstance.class, VmInstanceNetworkView.class));
private static final EntityCache<NetworkGroup, NetworkGroupNetworkView> securityGroupCache =
new EntityCache<>(
NetworkGroup.withNaturalId(null),
TypeMappers.lookup(NetworkGroup.class, NetworkGroupNetworkView.class));
private static final EntityCache<Vpc, VpcNetworkView> vpcCache =
new EntityCache<>(
Vpc.exampleWithOwner(null), TypeMappers.lookup(Vpc.class, VpcNetworkView.class));
private static final EntityCache<Subnet, SubnetNetworkView> subnetCache =
new EntityCache<>(
Subnet.exampleWithOwner(null), TypeMappers.lookup(Subnet.class, SubnetNetworkView.class));
private static final EntityCache<DhcpOptionSet, DhcpOptionSetNetworkView> dhcpOptionsCache =
new EntityCache<>(
DhcpOptionSet.exampleWithOwner(null),
TypeMappers.lookup(DhcpOptionSet.class, DhcpOptionSetNetworkView.class));
private static final EntityCache<NetworkAcl, NetworkAclNetworkView> networkAclCache =
new EntityCache<>(
NetworkAcl.exampleWithOwner(null),
TypeMappers.lookup(NetworkAcl.class, NetworkAclNetworkView.class));
private static final EntityCache<RouteTable, RouteTableNetworkView> routeTableCache =
new EntityCache<>(
RouteTable.exampleWithOwner(null),
TypeMappers.lookup(RouteTable.class, RouteTableNetworkView.class));
private static final EntityCache<InternetGateway, InternetGatewayNetworkView>
internetGatewayCache =
new EntityCache<>(
InternetGateway.exampleWithOwner(null),
TypeMappers.lookup(InternetGateway.class, InternetGatewayNetworkView.class));
private static final EntityCache<NetworkInterface, NetworkInterfaceNetworkView>
networkInterfaceCache =
new EntityCache<>(
NetworkInterface.exampleWithOwner(null),
TypeMappers.lookup(NetworkInterface.class, NetworkInterfaceNetworkView.class));
private static final EntityCache<NatGateway, NatGatewayNetworkView> natGatewayCache =
new EntityCache<>(
NatGateway.exampleWithOwner(null),
TypeMappers.lookup(NatGateway.class, NatGatewayNetworkView.class));
private static final VpcRouteStateInvalidator vpcRouteStateInvalidator =
new EventFiringVpcRouteStateInvalidator();
private static NetworkInfoSource cacheSource() {
final Supplier<Iterable<VmInstanceNetworkView>> instanceSupplier =
Suppliers.memoize(instanceCache);
final Supplier<Iterable<NetworkGroupNetworkView>> securityGroupSupplier =
Suppliers.memoize(securityGroupCache);
final Supplier<Iterable<VpcNetworkView>> vpcSupplier = Suppliers.memoize(vpcCache);
final Supplier<Iterable<SubnetNetworkView>> subnetSupplier = Suppliers.memoize(subnetCache);
final Supplier<Iterable<DhcpOptionSetNetworkView>> dhcpOptionsSupplier =
Suppliers.memoize(dhcpOptionsCache);
final Supplier<Iterable<NetworkAclNetworkView>> networkAclSupplier =
Suppliers.memoize(networkAclCache);
final Supplier<Iterable<RouteTableNetworkView>> routeTableSupplier =
Suppliers.memoize(routeTableCache);
final Supplier<Iterable<InternetGatewayNetworkView>> internetGatewaySupplier =
Suppliers.memoize(internetGatewayCache);
final Supplier<Iterable<NetworkInterfaceNetworkView>> networkInterfaceSupplier =
Suppliers.memoize(networkInterfaceCache);
final Supplier<Iterable<NatGatewayNetworkView>> natGatewaySupplier =
Suppliers.memoize(natGatewayCache);
return new NetworkInfoSource() {
@Override
public Iterable<VmInstanceNetworkView> getInstances() {
return instanceSupplier.get();
}
@Override
public Iterable<NetworkGroupNetworkView> getSecurityGroups() {
return securityGroupSupplier.get();
}
@Override
public Iterable<VpcNetworkView> getVpcs() {
return vpcSupplier.get();
}
@Override
public Iterable<SubnetNetworkView> getSubnets() {
return subnetSupplier.get();
}
@Override
public Iterable<DhcpOptionSetNetworkView> getDhcpOptionSets() {
return dhcpOptionsSupplier.get();
}
@Override
public Iterable<NetworkAclNetworkView> getNetworkAcls() {
return networkAclSupplier.get();
}
@Override
public Iterable<RouteTableNetworkView> getRouteTables() {
return routeTableSupplier.get();
}
@Override
public Iterable<InternetGatewayNetworkView> getInternetGateways() {
return internetGatewaySupplier.get();
}
@Override
public Iterable<NetworkInterfaceNetworkView> getNetworkInterfaces() {
return networkInterfaceSupplier.get();
}
@Override
public Iterable<NatGatewayNetworkView> getNatGateways() {
return natGatewaySupplier.get();
}
@Override
public Map<String, Iterable<? extends VersionedNetworkView>> getView() {
return ImmutableMap.<String, Iterable<? extends VersionedNetworkView>>builder()
.put("instance", getInstances())
.put("security-group", getSecurityGroups())
.put("vpc", getVpcs())
.put("subnet", getSubnets())
.put("dhcp-option-set", getDhcpOptionSets())
.put("network-acl", getNetworkAcls())
.put("route-table", getRouteTables())
.put("internet-gateway", getInternetGateways())
.put("network-interface", getNetworkInterfaces())
.put("nat-gateway", getNatGateways())
.build();
}
};
}
public static void requestNetworkInfoBroadcast() {
final long requestedTime = System.currentTimeMillis();
final Callable<Void> broadcastRequest =
new Callable<Void>() {
@Override
public Void call() throws Exception {
boolean shouldBroadcast = false;
boolean shouldRetryWithDelay = false;
try (final LockResource lock = LockResource.lock(lastBroadcastTimeLock)) {
final long currentTime = System.currentTimeMillis();
final long lastBroadcast = lastBroadcastTime.get();
if (requestedTime >= lastBroadcast
&& lastBroadcast + TimeUnit.SECONDS.toMillis(NetworkGroups.MIN_BROADCAST_INTERVAL)
< currentTime
&& activeBroadcastSemaphore.availablePermits() > 0) {
if (lastBroadcastTime.compareAndSet(lastBroadcast, currentTime)) {
shouldBroadcast = true;
} else { // re-evaluate
broadcastTask(this);
}
} else if (requestedTime >= lastBroadcastTime.get()) {
shouldRetryWithDelay = true;
}
}
if (shouldBroadcast) {
try {
broadcastNetworkInfo();
} catch (Exception e) {
logger.error("Error broadcasting network information", e);
}
} else if (shouldRetryWithDelay) {
Thread.sleep(100); // pause and re-evaluate to allow for min time between broadcasts
broadcastTask(this);
}
return null;
}
};
broadcastTask(broadcastRequest);
}
private static void broadcastTask(Callable<Void> task) {
Threads.enqueue(Eucalyptus.class, NetworkInfoBroadcaster.class, 5, task);
}
@SuppressWarnings("UnnecessaryQualifiedReference")
static void broadcastNetworkInfo() {
try (final SemaphoreResource semaphore = SemaphoreResource.acquire(activeBroadcastSemaphore)) {
// populate with info directly from configuration
final Optional<NetworkConfiguration> networkConfiguration =
NetworkConfigurations.getNetworkConfiguration();
final List<com.eucalyptus.cluster.Cluster> clusters = Clusters.getInstance().listValues();
final NetworkInfoSource source = cacheSource();
final Set<String> dirtyPublicAddresses = PublicAddresses.dirtySnapshot();
final Set<RouteKey> invalidStateRoutes = Sets.newHashSetWithExpectedSize(50);
final int sourceFingerprint =
fingerprint(source, clusters, dirtyPublicAddresses, NetworkGroups.NETWORK_CONFIGURATION);
final NetworkInfo info =
NetworkInfoBroadcasts.buildNetworkConfiguration(
networkConfiguration,
source,
Suppliers.ofInstance(clusters),
new Supplier<String>() {
@Override
public String get() {
return Topology.lookup(Eucalyptus.class).getInetAddress().getHostAddress();
}
},
new Function<List<String>, List<String>>() {
@Nullable
@Override
public List<String> apply(final List<String> defaultServers) {
return NetworkConfigurations.loadSystemNameservers(defaultServers);
}
},
dirtyPublicAddresses,
invalidStateRoutes);
info.setVersion(
BaseEncoding.base16().lowerCase().encode(Ints.toByteArray(sourceFingerprint)));
if (!invalidStateRoutes.isEmpty()) {
vpcRouteStateInvalidator.accept(invalidStateRoutes);
}
Applicators.apply(clusters, info);
} catch (ApplicatorException e) {
logger.error("Error during network broadcast", e);
}
}
private static int fingerprint(
final NetworkInfoSource source,
final List<com.eucalyptus.cluster.Cluster> clusters,
final Set<String> dirtyPublicAddresses,
final String networkConfiguration) {
final HashFunction hashFunction = goodFastHash(32);
final Hasher hasher = hashFunction.newHasher();
final Funnel<VersionedNetworkView> versionedItemFunnel =
new Funnel<VersionedNetworkView>() {
@Override
public void funnel(final VersionedNetworkView o, final PrimitiveSink primitiveSink) {
primitiveSink.putString(o.getId(), StandardCharsets.UTF_8);
primitiveSink.putChar('=');
primitiveSink.putInt(o.getVersion());
}
};
for (final Map.Entry<String, Iterable<? extends VersionedNetworkView>> entry :
source.getView().entrySet()) {
hasher.putString(entry.getKey(), StandardCharsets.UTF_8);
for (final VersionedNetworkView item : entry.getValue()) {
hasher.putObject(item, versionedItemFunnel);
}
}
hasher.putString(
Joiner.on(',').join(Sets.newTreeSet(Iterables.transform(clusters, HasName.GET_NAME))),
StandardCharsets.UTF_8);
hasher.putString(
Joiner.on(',').join(Sets.newTreeSet(dirtyPublicAddresses)), StandardCharsets.UTF_8);
hasher.putInt(networkConfiguration.hashCode());
return hasher.hash().asInt();
}
public static class NetworkInfoBroadcasterEventListener implements EventListener<ClockTick> {
private final int intervalTicks = 3;
private volatile int counter = 0;
public static void register() {
Listeners.register(ClockTick.class, new NetworkInfoBroadcasterEventListener());
}
@SuppressWarnings("UnnecessaryQualifiedReference")
@Override
public void fireEvent(final ClockTick event) {
if (counter++ % intervalTicks == 0
&& Topology.isEnabledLocally(Eucalyptus.class)
&& Hosts.isCoordinator()
&& Bootstrap.isOperational()
&& !Databases.isVolatile()) {
requestNetworkInfoBroadcast();
}
}
}
}
