/**
* Resolves the on-box dir.
*
* <p>Initialize and pre-create the right onbox working dir, if an ssh machine location. Logs a
* warning if not.
*/
@SuppressWarnings("deprecation")
public static String resolveOnBoxDir(EntityInternal entity, MachineLocation machine) {
String base = entity.getConfig(BrooklynConfigKeys.ONBOX_BASE_DIR);
if (base == null) base = machine.getConfig(BrooklynConfigKeys.ONBOX_BASE_DIR);
if (base != null && Boolean.TRUE.equals(entity.getConfig(ON_BOX_BASE_DIR_RESOLVED)))
return base;
if (base == null)
base = entity.getManagementContext().getConfig().getConfig(BrooklynConfigKeys.ONBOX_BASE_DIR);
if (base == null) base = entity.getConfig(BrooklynConfigKeys.BROOKLYN_DATA_DIR);
if (base == null) base = machine.getConfig(BrooklynConfigKeys.BROOKLYN_DATA_DIR);
if (base == null)
base =
entity.getManagementContext().getConfig().getConfig(BrooklynConfigKeys.BROOKLYN_DATA_DIR);
if (base == null) base = "~/brooklyn-managed-processes";
if (base.equals("~")) base = ".";
if (base.startsWith("~/")) base = "." + base.substring(1);
String resolvedBase = null;
if (entity.getConfig(BrooklynConfigKeys.SKIP_ON_BOX_BASE_DIR_RESOLUTION)
|| machine.getConfig(BrooklynConfigKeys.SKIP_ON_BOX_BASE_DIR_RESOLUTION)) {
if (log.isDebugEnabled())
log.debug("Skipping on-box base dir resolution for " + entity + " at " + machine);
if (!Os.isAbsolutish(base)) base = "~/" + base;
resolvedBase = Os.tidyPath(base);
} else if (machine instanceof SshMachineLocation) {
SshMachineLocation ms = (SshMachineLocation) machine;
ProcessTaskWrapper<Integer> baseTask =
SshEffectorTasks.ssh(
BashCommands.alternatives(
"mkdir -p \"${BASE_DIR}\"",
BashCommands.chain(
BashCommands.sudo("mkdir -p \"${BASE_DIR}\""),
BashCommands.sudo("chown " + ms.getUser() + " \"${BASE_DIR}\""))),
"cd ~",
"cd ${BASE_DIR}",
"echo BASE_DIR_RESULT':'`pwd`:BASE_DIR_RESULT")
.environmentVariable("BASE_DIR", base)
.requiringExitCodeZero()
.summary("initializing on-box base dir " + base)
.newTask();
DynamicTasks.queueIfPossible(baseTask).orSubmitAsync(entity);
resolvedBase =
Strings.getFragmentBetween(
baseTask.block().getStdout(), "BASE_DIR_RESULT:", ":BASE_DIR_RESULT");
}
if (resolvedBase == null) {
if (!Os.isAbsolutish(base)) base = "~/" + base;
resolvedBase = Os.tidyPath(base);
log.warn(
"Could not resolve on-box directory for "
+ entity
+ " at "
+ machine
+ "; using "
+ resolvedBase
+ ", though this may not be accurate at the target (and may fail shortly)");
}
entity.config().set(BrooklynConfigKeys.ONBOX_BASE_DIR, resolvedBase);
entity.config().set(ON_BOX_BASE_DIR_RESOLVED, true);
return resolvedBase;
}
public void run() {
log.info("Starting {} on machine {}", entity(), machine);
Collection<Location> oldLocs = entity().getLocations();
if (!oldLocs.isEmpty()) {
List<MachineLocation> oldSshLocs =
ImmutableList.copyOf(Iterables.filter(oldLocs, MachineLocation.class));
if (!oldSshLocs.isEmpty()) {
// check if existing locations are compatible
log.debug(
"Entity "
+ entity()
+ " had machine locations "
+ oldSshLocs
+ " when starting at "
+ machine
+ "; checking if they are compatible");
for (MachineLocation oldLoc : oldSshLocs) {
// machines are deemed compatible if hostname and address are the same, or they are
// localhost
// this allows a machine create by jclouds to then be defined with an ip-based spec
if (!"localhost".equals(machine.getConfig(AbstractLocation.ORIGINAL_SPEC))) {
checkLocationParametersCompatible(
machine,
oldLoc,
"hostname",
oldLoc.getAddress().getHostName(),
machine.getAddress().getHostName());
checkLocationParametersCompatible(
machine,
oldLoc,
"address",
oldLoc.getAddress().getHostAddress(),
machine.getAddress().getHostAddress());
}
}
log.debug(
"Entity "
+ entity()
+ " old machine locations "
+ oldSshLocs
+ " were compatible, removing them to start at "
+ machine);
entity().removeLocations(oldSshLocs);
}
}
entity().addLocations(ImmutableList.of((Location) machine));
// elsewhere we rely on (public) hostname being set _after_ subnet_hostname
// (to prevent the tiny possibility of races resulting in hostname being returned
// simply because subnet is still being looked up)
Maybe<String> lh = Machines.getSubnetHostname(machine);
Maybe<String> la = Machines.getSubnetIp(machine);
if (lh.isPresent()) entity().sensors().set(Attributes.SUBNET_HOSTNAME, lh.get());
if (la.isPresent()) entity().sensors().set(Attributes.SUBNET_ADDRESS, la.get());
entity().sensors().set(Attributes.HOSTNAME, machine.getAddress().getHostName());
entity().sensors().set(Attributes.ADDRESS, machine.getAddress().getHostAddress());
if (machine instanceof SshMachineLocation) {
SshMachineLocation sshMachine = (SshMachineLocation) machine;
UserAndHostAndPort sshAddress =
UserAndHostAndPort.fromParts(
sshMachine.getUser(), sshMachine.getAddress().getHostName(), sshMachine.getPort());
// FIXME: Who or what is SSH_ADDRESS intended for? It's not necessarily the address that
// the SshMachineLocation is using for ssh connections (because it accepts SSH_HOST as an
// override).
entity().sensors().set(Attributes.SSH_ADDRESS, sshAddress);
}
if (Boolean.TRUE.equals(entity().getConfig(SoftwareProcess.OPEN_IPTABLES))) {
if (machine instanceof SshMachineLocation) {
@SuppressWarnings("unchecked")
Iterable<Integer> inboundPorts =
(Iterable<Integer>) machine.config().get(CloudLocationConfig.INBOUND_PORTS);
machineInitTasks.openIptablesAsync(inboundPorts, (SshMachineLocation) machine);
} else {
log.warn("Ignoring flag OPEN_IPTABLES on non-ssh location {}", machine);
}
}
if (Boolean.TRUE.equals(entity().getConfig(SoftwareProcess.STOP_IPTABLES))) {
if (machine instanceof SshMachineLocation) {
machineInitTasks.stopIptablesAsync((SshMachineLocation) machine);
} else {
log.warn("Ignoring flag STOP_IPTABLES on non-ssh location {}", machine);
}
}
if (Boolean.TRUE.equals(entity().getConfig(SoftwareProcess.DONT_REQUIRE_TTY_FOR_SUDO))) {
if (machine instanceof SshMachineLocation) {
machineInitTasks.dontRequireTtyForSudoAsync((SshMachineLocation) machine);
} else {
log.warn("Ignoring flag DONT_REQUIRE_TTY_FOR_SUDO on non-ssh location {}", machine);
}
}
resolveOnBoxDir(entity(), machine);
preStartCustom(machine);
}