def keystone_client():
openstack = OpenStack.get()
# authenticate with keystone
return ksclient.Client(auth_url=openstack.authurl,
username=openstack.osusername,
password=openstack.ospassword,
tenant_id=openstack.tenantid)
def keystone_client(): openstack = OpenStack.get() # authenticate with keystone return ksclient.Client( auth_url = openstack.authurl, username = openstack.osusername, password = openstack.ospassword, tenant_id = openstack.tenantid )
def nova_connection():
# openstack connection
openstack = OpenStack.get()
# establish connection to openstack
connection = novaclient.Client(openstack.osusername,
openstack.ospassword,
openstack.tenantname,
openstack.authurl,
service_type="compute")
return connection
def nova_connection(): # openstack connection openstack = OpenStack.get() # establish connection to openstack connection = novaclient.Client( openstack.osusername, openstack.ospassword, openstack.tenantname, openstack.authurl, service_type="compute" ) return connection
def glance_client():
keystone = keystone_client()
openstack = OpenStack.get()
service_type = "image"
# get list of endpoints for image and our region from keystone
endpoints = keystone.service_catalog.get_endpoints(
service_type=service_type,
region_name=openstack.region)[service_type]
# if len is 0 there is no endpoint for us available
if len(endpoints) == 0:
raise Exception('No endpoints for service type "{0}".'.format(service_type))
# get public url
endpoint = endpoints[0]['publicURL']
# establish connection to glance
return glanceclient.Client('1', endpoint=endpoint, token=keystone.auth_token, timeout=10)
def glance_client():
keystone = keystone_client()
openstack = OpenStack.get()
service_type = "image"
# get list of endpoints for image and our region from keystone
endpoints = keystone.service_catalog.get_endpoints(
service_type=service_type, region_name=openstack.region)[service_type]
# if len is 0 there is no endpoint for us available
if len(endpoints) == 0:
raise Exception(
'No endpoints for service type "{0}".'.format(service_type))
# get public url
endpoint = endpoints[0]['publicURL']
# establish connection to glance
return glanceclient.Client('1',
endpoint=endpoint,
token=keystone.auth_token,
timeout=10)
def get_stats():
# default response
response = {"response": "success", "result": {"message": ""}}
# openstack settings
openstack = OpenStack.get()
# try establishing nova connection
try:
nova = nova_connection()
except:
response['response'] = "error"
response['result'] = "Can't communicate with OpenStack cluster."
app.logger.error("Can't communicate with OpenStack cluster.")
return response
try:
# grab the infos from openstack
cluster_quota = nova.quotas.get(openstack.tenantid)
# build the stats object
stats = {
"quota": {
"cores": cluster_quota.cores,
"fixips": cluster_quota.fixed_ips,
"instances": cluster_quota.instances,
"ram": cluster_quota.ram
},
"hypervisors": []
}
except:
response['response'] = "error"
response['result']['message'] = "OpenStack quota list unavailable."
app.logger.error("The OpenStack cluster is refusing to provide quota information.")
return response
# try to talk to the hypervisor list function
try:
cluster_hypervisors = nova.hypervisors.list()
# loop through hypervisors
for cluster_hypervisor in cluster_hypervisors:
hypervisor = {}
hypervisor['hypervisor_hostname'] = cluster_hypervisor.hypervisor_hostname
hypervisor['is_loaded'] = cluster_hypervisor.is_loaded()
hypervisor['current_workload'] = cluster_hypervisor.current_workload
hypervisor['local_gb'] = cluster_hypervisor.local_gb
hypervisor['local_gb_used'] = cluster_hypervisor.local_gb_used
hypervisor['memory_mb'] = cluster_hypervisor.memory_mb
hypervisor['memory_mb_used'] = cluster_hypervisor.memory_mb_used
hypervisor['free_disk_gb'] = cluster_hypervisor.free_disk_gb
hypervisor['free_ram_mb'] = cluster_hypervisor.free_ram_mb
hypervisor['vcpus'] = cluster_hypervisor.vcpus
hypervisor['vcpus_used'] = cluster_hypervisor.vcpus_used
hypervisor['running_vms'] = cluster_hypervisor.running_vms
hypervisor['disk_available_least'] = cluster_hypervisor.disk_available_least
stats['hypervisors'].append(hypervisor)
except:
# nevermind then
app.logger.error("The OpenStack cluster is refusing to provide hypervisor information.")
pass
# return one or both of quota and hypervisor stats
response['response'] = "success"
response['result']['message'] = "OpenStack stats detail."
response['result']['stats'] = stats
return response
def get_stats():
# default response
response = {"response": "success", "result": {"message": ""}}
# openstack settings
openstack = OpenStack.get()
# try establishing nova connection
try:
nova = nova_connection()
except:
response['response'] = "error"
response['result'] = "Can't communicate with OpenStack cluster."
app.logger.error("Can't communicate with OpenStack cluster.")
return response
try:
# grab the infos from openstack
cluster_quota = nova.quotas.get(openstack.tenantid)
# build the stats object
stats = {
"quota": {
"cores": cluster_quota.cores,
"fixips": cluster_quota.fixed_ips,
"instances": cluster_quota.instances,
"ram": cluster_quota.ram
},
"hypervisors": []
}
except:
response['response'] = "error"
response['result']['message'] = "OpenStack quota list unavailable."
app.logger.error(
"The OpenStack cluster is refusing to provide quota information.")
return response
# try to talk to the hypervisor list function
try:
cluster_hypervisors = nova.hypervisors.list()
# loop through hypervisors
for cluster_hypervisor in cluster_hypervisors:
hypervisor = {}
hypervisor[
'hypervisor_hostname'] = cluster_hypervisor.hypervisor_hostname
hypervisor['is_loaded'] = cluster_hypervisor.is_loaded()
hypervisor[
'current_workload'] = cluster_hypervisor.current_workload
hypervisor['local_gb'] = cluster_hypervisor.local_gb
hypervisor['local_gb_used'] = cluster_hypervisor.local_gb_used
hypervisor['memory_mb'] = cluster_hypervisor.memory_mb
hypervisor['memory_mb_used'] = cluster_hypervisor.memory_mb_used
hypervisor['free_disk_gb'] = cluster_hypervisor.free_disk_gb
hypervisor['free_ram_mb'] = cluster_hypervisor.free_ram_mb
hypervisor['vcpus'] = cluster_hypervisor.vcpus
hypervisor['vcpus_used'] = cluster_hypervisor.vcpus_used
hypervisor['running_vms'] = cluster_hypervisor.running_vms
hypervisor[
'disk_available_least'] = cluster_hypervisor.disk_available_least
stats['hypervisors'].append(hypervisor)
except:
# nevermind then
app.logger.error(
"The OpenStack cluster is refusing to provide hypervisor information."
)
pass
# return one or both of quota and hypervisor stats
response['response'] = "success"
response['result']['message'] = "OpenStack stats detail."
response['result']['stats'] = stats
return response
