diff options
| author | Josh Kearney <josh@jk0.org> | 2011-03-31 19:56:21 +0000 |
|---|---|---|
| committer | Tarmac <> | 2011-03-31 19:56:21 +0000 |
| commit | 230aad2378618538db5fe32c90b145af7c1f2f4d (patch) | |
| tree | a18e9044de31dec09083c5b506dfc97481027492 | |
| parent | 1bc1c1b65013803b918ce5e05a638dd95ece7f7b (diff) | |
| parent | 62b52833cc28d203c648585feceb1de3be9eed25 (diff) | |
Friendlier error message if there are no compute nodes are available.
| -rw-r--r-- | nova/scheduler/chance.py | 4 | ||||
| -rw-r--r-- | nova/scheduler/simple.py | 12 | ||||
| -rw-r--r-- | nova/scheduler/zone.py | 5 |
3 files changed, 15 insertions, 6 deletions
diff --git a/nova/scheduler/chance.py b/nova/scheduler/chance.py index ae81679e1..f4461cee2 100644 --- a/nova/scheduler/chance.py +++ b/nova/scheduler/chance.py @@ -35,6 +35,6 @@ class ChanceScheduler(driver.Scheduler): hosts = self.hosts_up(context, topic) if not hosts: raise driver.NoValidHost(_("Scheduler was unable to locate a host" - " for this request. Is the compute node" - " running?")) + " for this request. Is the appropriate" + " service running?")) return hosts[int(random.random() * len(hosts))] diff --git a/nova/scheduler/simple.py b/nova/scheduler/simple.py index 0191ceb3d..dd568d2c6 100644 --- a/nova/scheduler/simple.py +++ b/nova/scheduler/simple.py @@ -72,7 +72,9 @@ class SimpleScheduler(chance.ChanceScheduler): {'host': service['host'], 'scheduled_at': now}) return service['host'] - raise driver.NoValidHost(_("No hosts found")) + raise driver.NoValidHost(_("Scheduler was unable to locate a host" + " for this request. Is the appropriate" + " service running?")) def schedule_create_volume(self, context, volume_id, *_args, **_kwargs): """Picks a host that is up and has the fewest volumes.""" @@ -107,7 +109,9 @@ class SimpleScheduler(chance.ChanceScheduler): {'host': service['host'], 'scheduled_at': now}) return service['host'] - raise driver.NoValidHost(_("No hosts found")) + raise driver.NoValidHost(_("Scheduler was unable to locate a host" + " for this request. Is the appropriate" + " service running?")) def schedule_set_network_host(self, context, *_args, **_kwargs): """Picks a host that is up and has the fewest networks.""" @@ -119,4 +123,6 @@ class SimpleScheduler(chance.ChanceScheduler): raise driver.NoValidHost(_("All hosts have too many networks")) if self.service_is_up(service): return service['host'] - raise driver.NoValidHost(_("No hosts found")) + raise driver.NoValidHost(_("Scheduler was unable to locate a host" + " for this request. Is the appropriate" + " service running?")) diff --git a/nova/scheduler/zone.py b/nova/scheduler/zone.py index 49786cd32..44d5a166f 100644 --- a/nova/scheduler/zone.py +++ b/nova/scheduler/zone.py @@ -52,5 +52,8 @@ class ZoneScheduler(driver.Scheduler): zone = _kwargs.get('availability_zone') hosts = self.hosts_up_with_zone(context, topic, zone) if not hosts: - raise driver.NoValidHost(_("No hosts found")) + raise driver.NoValidHost(_("Scheduler was unable to locate a host" + " for this request. Is the appropriate" + " service running?")) + return hosts[int(random.random() * len(hosts))] |