def _create_instances(self, cluster):
ctx = context.ctx()
cluster = self._create_auto_security_groups(cluster)
aa_group = None
if cluster.anti_affinity:
aa_group = self._create_aa_server_group(cluster)
cpo.add_provisioning_step(
cluster.id, _("Run instances"),
c_u.count_instances(cluster))
for node_group in cluster.node_groups:
count = node_group.count
conductor.node_group_update(ctx, node_group, {'count': 0})
for idx in six.moves.xrange(1, count + 1):
self._start_instance(
cluster, node_group, idx, aa_group=aa_group)
def _configure_instances(self, cluster):
"""Configure active instances.
* generate /etc/hosts
* change /etc/resolv.conf
* setup passwordless login
* etc.
"""
cpo.add_provisioning_step(cluster.id, _("Configure instances"),
cluster_utils.count_instances(cluster))
with context.ThreadGroup() as tg:
for node_group in cluster.node_groups:
for instance in node_group.instances:
with context.set_current_instance_id(instance.instance_id):
tg.spawn(
"configure-instance-{}".format(
instance.instance_name),
self._configure_instance, instance, cluster)
def _configure_instances(self, cluster):
"""Configure active instances.
* generate /etc/hosts
* setup passwordless login
* etc.
"""
hosts_file = cluster_utils.generate_etc_hosts(cluster)
cpo.add_provisioning_step(
cluster.id, _("Configure instances"),
cluster_utils.count_instances(cluster))
with context.ThreadGroup() as tg:
for node_group in cluster.node_groups:
for instance in node_group.instances:
with context.set_current_instance_id(instance.instance_id):
tg.spawn(
"configure-instance-%s" % instance.instance_name,
self._configure_instance, instance, hosts_file)
def _configure_instances(self, cluster):
"""Configure active instances.
* generate /etc/hosts
* change /etc/resolv.conf
* setup passwordless login
* etc.
"""
cpo.add_provisioning_step(
cluster.id, _("Configure instances"),
cluster_utils.count_instances(cluster))
with context.ThreadGroup() as tg:
for node_group in cluster.node_groups:
for instance in node_group.instances:
with context.set_current_instance_id(instance.instance_id):
tg.spawn("configure-instance-{}".format(
instance.instance_name),
self._configure_instance, instance, cluster
)
def test_count_instances(self):
cluster = self._make_sample()
self.assertEqual(4, cluster_utils.count_instances(cluster))
