def stop_cluster(headers, cluster):
nova = novaclient(headers)
for node in cluster.nodes:
try:
nova.servers.delete(node.vm_id)
logging.debug("vm '%s' has been stopped", node.vm_id)
except Exception, e:
logging.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:
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"]:
logging.debug("Starting node for cluster '%s', node: %s, iamge: %s", cluster.name, node, clmap["image"])
_launch_node(nova, node, clmap["image"])
all_set = False
logging.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)
logging.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)
logging.debug("All nodes of cluster '%s' are configured and registered, " "starting the cluster...", cluster.name)
_start_cluster(cluster, clmap)
