def stop_cluster(headers, cluster):
nova = novaclient(headers)
for node in cluster.nodes:
try:
nova.servers.delete(node.vm_id)
LOG.debug("vm '%s' has been stopped", node.vm_id)
except Exception, e:
LOG.info("Can't stop vm '%s': %s", node.vm_id, e)
def launch_cluster(headers, cluster):
nova = novaclient(headers)
clmap = dict()
clmap['id'] = cluster.id
clmap['name'] = cluster.name
clmap['image'] = _find_by_id(nova.images.list(),
cluster.base_image_id)
_check_finding(clmap['image'], 'id', cluster.base_image_id)
clmap['nodes'] = []
num = 1
for nc in cluster.node_counts:
configs = dict()
for cf in nc.node_template.node_template_configs:
proc_name = cf.node_process_property.node_process.name
if proc_name not in configs:
configs[proc_name] = dict()
name = cf.node_process_property.name
configs[proc_name][name] = cf.value
ntype = nc.node_template.node_type.name
templ_id = nc.node_template.id
flv_id = nc.node_template.flavor_id
flv = _find_by_name(nova.flavors.list(), flv_id)
_check_finding(flv, 'id', flv_id)
for _ in xrange(0, nc.count):
node = dict()
node['id'] = None
if ntype == 'JT+NN':
node['name'] = '%s-master' % cluster.name
else:
node['name'] = '%s-%i' % (cluster.name, num)
num += 1
node['type'] = ntype
node['templ_id'] = templ_id
node['flavor'] = flv
node['configs'] = configs
node['is_up'] = False
clmap['nodes'].append(node)
try:
for node in clmap['nodes']:
LOG.debug("Starting node for cluster '%s', node: %s, image: %s",
cluster.name, node, clmap['image'])
_launch_node(nova, node, clmap['image'])
except Exception, e:
_rollback_cluster_creation(cluster, clmap, nova, e)
return
def launch_cluster(headers, cluster):
nova = novaclient(headers)
clmap = dict()
clmap['id'] = cluster.id
clmap['name'] = cluster.name
clmap['image'] = _find_by_id(nova.images.list(),
cluster.base_image_id)
_check_finding(clmap['image'], 'id', cluster.base_image_id)
clmap['nodes'] = []
num = 1
for nc in cluster.node_counts:
configs = dict()
for cf in nc.node_template.node_template_configs:
name = cf.node_process_property.name
configs[name] = cf.value
ntype = nc.node_template.node_type.name
templ_id = nc.node_template.id
flv_id = nc.node_template.flavor_id
flv = _find_by_name(nova.flavors.list(), flv_id)
_check_finding(flv, 'id', flv_id)
for _ in xrange(0, nc.count):
node = dict()
if ntype == 'JT+NN':
node['name'] = '%s-master' % cluster.name
else:
node['name'] = '%s-%i' % (cluster.name, num)
num += 1
node['type'] = ntype
node['templ_id'] = templ_id
node['flavor'] = flv
node['configs'] = configs
node['is_up'] = False
clmap['nodes'].append(node)
for node in clmap['nodes']:
LOG.debug("Starting node for cluster '%s', node: %s, iamge: %s",
cluster.name, node, clmap['image'])
_launch_node(nova, node, clmap['image'])
all_set = False
LOG.debug("All nodes for cluster '%s' have been started, "
"waiting for them to come up", cluster.name)
while not all_set:
all_set = True
for node in clmap['nodes']:
_check_if_up(nova, node)
if not node['is_up']:
all_set = False
time.sleep(1)
LOG.debug("All nodes of cluster '%s' are up: %s",
cluster.name, all_set)
_pre_cluster_setup(clmap)
for node in clmap['nodes']:
_setup_node(node, clmap)
_register_node(node, cluster)
LOG.debug("All nodes of cluster '%s' are configured and registered, "
"starting the cluster...", cluster.name)
_start_cluster(cluster, clmap)
