Github user bostko commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/266#discussion_r71279013
--- Diff:
software/base/src/main/java/org/apache/brooklyn/entity/software/base/lifecycle/MachineLifecycleEffectorTasks.java
---
@@ -379,20 +418,30 @@ public MachineLocation call() throws Exception {
if (!(location instanceof
LocalhostMachineProvisioningLocation))
log.info("Starting {}, obtaining a new location instance
in {} with ports {}", new Object[]{entity(), location,
flags.get("inboundPorts")});
entity().sensors().set(SoftwareProcess.PROVISIONING_LOCATION,
location);
+ Transition expectedState =
entity().sensors().get(Attributes.SERVICE_STATE_EXPECTED);
+
+ // BROOKLYN-263: see corresponding code in doStop()
+ if (expectedState != null && (expectedState.getState() ==
Lifecycle.STOPPING || expectedState.getState() == Lifecycle.STOPPED)) {
+ throw new IllegalStateException("Provisioning aborted
before even begun for "+entity()+" in "+location+" (presumably by a concurrent
call to stop");
+ }
+ entity().sensors().set(PROVISIONING_TASK_STATE,
ProvisioningTaskState.RUNNING);
+
MachineLocation machine;
try {
machine = Tasks.withBlockingDetails("Provisioning machine
in " + location, new ObtainLocationTask(location, flags));
- if (machine == null)
- throw new NoMachinesAvailableException("Failed to
obtain machine in " + location.toString());
- } catch (Exception e) {
- throw Exceptions.propagate(e);
+ entity().sensors().set(PROVISIONED_MACHINE, machine);
--- End diff --
I was thinking about this option but doesn't feel like the best option.
The downside I see is that someone could start using this sensor instead of
`getLocations()`.
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