class Metric(OpenstackService):
def __init__(self):
OpenstackService.__init__(self)
self.restful = OpenstackRestful(self.tokenId)
def getAllMeters(self):
url = "%s/v2/meters" % conf.CEILOMETER_URL
result = self.restful.getResult(url)
return result
def getAllResources(self):
url = "%s/v2/resources" % conf.CEILOMETER_URL
result = self.restful.getResult(url)
return result
def getMeter(self, meter_name, queryFilter):
url = "%s/v2/meters/%s" % (conf.CEILOMETER_URL, meter_name)
#transfer str to list
queryFilter = eval(queryFilter)
print queryFilter
params = ""
for queryItem in queryFilter:
param = ""
for key in queryItem:
param += "&q.%s=%s" % (key, queryItem[key])
params += param
url = url + "?" + params
result = self.restful.getResult(url)
return result[0]
def getMeterStatistics(self, meter_name, queryFilter, groupby = None, period = None, aggregate = None):
url = "%s/v2/meters/%s/statistics" % (conf.CEILOMETER_URL, meter_name)
#transfer str to list
queryFilter = eval(queryFilter)
params = ""
for queryItem in queryFilter:
param = ""
for key in queryItem:
param += "&q.%s=%s" % (key, queryItem[key])
params += param
url = url + "?" + params
result = self.restful.get_req(url)
return result[0]
class Nova(OpenstackService):
def __init__(self):
OpenstackService.__init__(self)
self.restful = OpenstackRestful(self.tokenId)
def liveMigrate(self, instance_id, host):
""" live migrate an instance to dest host """
url = "{base}/v2/{tenant}/servers/{instance}/action".format(base=conf.NOVA_URL,
tenant=self.tenantId, instance=instance_id)
values = {"os-migrateLive":{"block_migration": "true", "host":host, 'disk_over_commit':"false"}}
self.restful.post_req(url, values)
def stopInstance(self, instance_id):
""" stop a specific instance """
url = "{base}/v2/{tenant}/servers/{instance}/action".format(base=conf.NOVA_URL,
tenant=self.tenantId, instance=instance_id)
values = {"os-stop": 'null'}
self.restful.post_req(url, values)
def startInstance(self, instance_id):
""" start a specific instance """
url = "{base}/v2/{tenant}/servers/{instance}/action".format(base=conf.NOVA_URL,
tenant=self.tenantId, instance=instance_id)
values = {"os-start": 'null'}
self.restful.post_req(url, values)
def getInstances(self):
""" get all instances belong to a tenant """
url = "%s/v2/%s/servers" % (conf.NOVA_URL, self.tenantId)
result = self.restful.getResult(url)
servers = result['servers']
instances = []
for i in range(len(servers)):
instances.append(servers[i]['id'])
return instances
def getInstancesOnHost(self, host):
""" get all instances on specific host """
url = "%s/v2/%s/servers?host=%s" % (conf.NOVA_URL, self.tenantId, host)
result = self.restful.get_req(url)
servers = result['servers']
instances = []
for i in range(len(servers)):
instances.append(servers[i]['id'])
return instances
def getComputeHosts(self):
""" get all compute hosts of openstack """
url = "%s/v2/%s/os-hosts" % (conf.NOVA_URL, self.tenantId)
result = self.restful.get_req(url)
hostsList = result['hosts']
hosts = []
for host in hostsList:
if host['service'] == 'compute':
hosts.append(host['host_name'])
return hosts
def hostDetail(self, host):
""" show details for a host """
url = "{base}/v2/{tenant}/os-hosts/{host}".format(
base=conf.NOVA_URL,tenant=self.tenantId, host=host)
info = self.restful.get_req(url)
print info
def _hypervisorList(self):
""" get all hypervisors, return name,id pair """
url = "{base}/v2/{tenant}/os-hypervisors".format(base=conf.NOVA_URL,
tenant=self.tenantId)
info = self.restful.get_req(url)
hypervisor = {}
hvsors = info['hypervisors']
for hvsor in hvsors:
hypervisor[hvsor['hypervisor_hostname']] = hvsor['id']
return hypervisor
def hypervisorDetail(self, host):
""" get detail info for a specific hypervisor """
hypervisors = self._hypervisorList()
host_id = hypervisors[host]
url = "{base}/v2/{tenant}/os-hypervisors/{hostid}".format(base=conf.NOVA_URL,
tenant=self.tenantId,
hostid=host_id)
info = self.restful.get_req(url)['hypervisor']
sttcs = dict()
sttcs['vcpus'] = info['vcpus']
sttcs['vpcus_used'] = info['vcpus_used']
sttcs['mem_total'] = info['memory_mb']
sttcs['mem_used'] = info['memory_mb_used']
sttcs['workload'] = info['current_workload']
return sttcs
@staticmethod
def liveMigrateAll(src_host, dest_host):
""" live migrate all instances on src host to dest """
ssh_controller = SshTool(conf.CONTROLLER_HOST, 22,
conf.HOST_ROOT_USERNAME,
conf.HOST_ROOT_PASSWORD)
cmd_migrate = "nova host-evacuate-live --target-host {dest} \
--block-migrate {src}".format(src=src_host, dest=dest_host)
ssh_controller.remote_cmd(cmd_migrate)
ssh_controller.close()