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 configure_openstack():
# quote strip
def dequote(string):
if string.startswith('"') and string.endswith('"'):
string = string[1:-1]
return string
# check configuration
settings = Status().check_settings()
# get the form
form = OpenStackForm(request.form)
# try to select one and only record
openstack = db.session.query(OpenStack).first()
# create new entry if configuration doesn't exist
if not openstack:
openstack = OpenStack()
if request.method == "POST":
# clear settings cache
Status().flush()
# handle a file upload
try:
file = request.files["file"]
except:
file = False
if file and allowed_file(file.filename):
keyvals = {}
for line in file:
keyval = dict(re.findall(r'(\S+)=(".*?"|\S+)', line))
if len(keyval) > 0:
keyvals.update(keyval)
# set values from extracted lines above - needs SQL injection protection?
openstack.authurl = "%s" % dequote(keyvals["OS_AUTH_URL"])
openstack.tenantname = "%s" % dequote(keyvals["OS_TENANT_NAME"])
openstack.tenantid = "%s" % dequote(keyvals["OS_TENANT_ID"])
openstack.osusername = "******" % dequote(keyvals["OS_USERNAME"])
openstack.ospassword = "******"
# update entry
openstack.update(openstack)
elif file:
# file type not allowed
flash("File type not allowed or empty. Try again.", "file-error")
else:
# user is manually updating form
if form.validate_on_submit():
# populate with form and update
form.populate_obj(openstack)
openstack.update(openstack)
flash("OpenStack settings updated!", "success")
return redirect(url_for(".configure_openstack"))
else:
flash("There were form errors. Please check your entries and try again.", "error")
# get existing form data
openstack = db.session.query(OpenStack).first()
# if notice, show message
return render_template("configure/openstack.html", settings=settings, form=form, openstack=openstack)
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 openstack_check():
# check openstack is setup
response = OpenStack().check()
return jsonify(response)
def configure_openstack():
# quote strip
def dequote(string):
if string.startswith('"') and string.endswith('"'):
string = string[1:-1]
return string
# check configuration
settings = Status().check_settings()
# get the form
form = OpenStackForm(request.form)
# try to select one and only record
openstack = db.session.query(OpenStack).first()
# create new entry if configuration doesn't exist
if not openstack:
openstack = OpenStack()
if request.method == 'POST':
# clear settings cache
Status().flush()
# handle a file upload
try:
file = request.files['file']
except:
file = False
if file and allowed_file(file.filename):
keyvals = {}
for line in file:
keyval = dict(re.findall(r'(\S+)=(".*?"|\S+)', line))
if len(keyval) > 0:
keyvals.update(keyval)
# set values from extracted lines above - needs SQL injection protection?
openstack.authurl = "%s" % dequote(keyvals['OS_AUTH_URL'])
openstack.tenantname = "%s" % dequote(keyvals['OS_TENANT_NAME'])
openstack.tenantid = "%s" % dequote(keyvals['OS_TENANT_ID'])
openstack.osusername = "******" % dequote(keyvals['OS_USERNAME'])
openstack.ospassword = "******"
# update entry
openstack.update(openstack)
elif file:
# file type not allowed
flash("File type not allowed or empty. Try again.", "file-error")
else:
# user is manually updating form
if form.validate_on_submit():
# populate with form and update
form.populate_obj(openstack)
openstack.update(openstack)
flash("OpenStack settings updated!", "success")
return redirect(url_for(".configure_openstack"))
else:
flash(
"There were form errors. Please check your entries and try again.",
"error")
# get existing form data
openstack = db.session.query(OpenStack).first()
# if notice, show message
return render_template('configure/openstack.html',
settings=settings,
form=form,
openstack=openstack)
