protected void connectSensors() {
setAttribute(
DATASTORE_URL,
String.format(
"postgresql://%s:%s/", getAttribute(HOSTNAME), getAttribute(POSTGRESQL_PORT)));
Maybe<SshMachineLocation> machine = Locations.findUniqueSshMachineLocation(getLocations());
if (machine.isPresent()) {
feed =
SshFeed.builder()
.entity(this)
.machine(machine.get())
.poll(
new SshPollConfig<Boolean>(SERVICE_UP)
.command("ps -ef | grep [p]ostgres")
.setOnSuccess(true)
.setOnFailureOrException(false))
.build();
} else {
LOG.warn(
"Location(s) {} not an ssh-machine location, so not polling for status; setting serviceUp immediately",
getLocations());
}
}
public static HostAndPort getBrooklynAccessibleAddress(Entity entity, int port) {
String host;
// look up port forwarding
PortForwardManager pfw = entity.getConfig(PORT_FORWARDING_MANAGER);
if (pfw != null) {
Collection<Location> ll = entity.getLocations();
Maybe<SupportsPortForwarding> machine =
Machines.findUniqueElement(ll, SupportsPortForwarding.class);
if (machine.isPresent()) {
synchronized (BrooklynAccessUtils.class) {
// TODO finer-grained synchronization
HostAndPort hp = pfw.lookup((MachineLocation) machine.get(), port);
if (hp != null) return hp;
Location l = (Location) machine.get();
if (l instanceof SupportsPortForwarding) {
Cidr source = entity.getConfig(MANAGEMENT_ACCESS_CIDR);
if (source != null) {
log.debug(
"BrooklynAccessUtils requesting new port-forwarding rule to access "
+ port
+ " on "
+ entity
+ " (at "
+ l
+ ", enabled for "
+ source
+ ")");
// TODO discuss, is this the best way to do it
// (will probably _create_ the port forwarding rule!)
hp = ((SupportsPortForwarding) l).getSocketEndpointFor(source, port);
if (hp != null) return hp;
} else {
log.warn(
"No "
+ MANAGEMENT_ACCESS_CIDR.getName()
+ " configured for "
+ entity
+ ", so cannot forward port "
+ port
+ " "
+ "even though "
+ PORT_FORWARDING_MANAGER.getName()
+ " was supplied");
}
}
}
}
}
host = entity.getAttribute(Attributes.HOSTNAME);
if (host != null) return HostAndPort.fromParts(host, port);
throw new IllegalStateException(
"Cannot find way to access port "
+ port
+ " on "
+ entity
+ " from Brooklyn (no host.name)");
}
