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Code Issues Releases Wiki Activity

Moved logic to lib/

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This commit is contained in:
Jacob Cody Wimer
2020-11-24 18:30:18 -05:00
parent 0b2b905416
commit 33e23eb496
3 changed files with 106 additions and 65 deletions
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77
openstack_exporter.py
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@@ -1,84 +1,31 @@
import prometheus_client as prom
import os
import time
import traceback
import openstack
import datetime
import time
import argparse
import sys
from lib import api_metrics
from lib import hypervisor_metrics
def openstack_connection():
conn = openstack.connect(cloud='envvars')
return conn
def generate_hypervisor_metrics(connection, hypervisor_running_vms, hypervisor_used_ram_mb, hypervisor_total_ram_mb, hypervisor_free_cpus, hypervisor_total_cpus, hypervisor_enabled, hypervisor_up):
for hypervisor in connection.list_hypervisors():
print(f'Getting hypervisor {hypervisor.name} metrics.')
hypervisor_running_vms.labels(hypervisor.name).set(hypervisor.running_vms)
hypervisor_used_ram_mb.labels(hypervisor.name).set(hypervisor.memory_used)
hypervisor_total_ram_mb.labels(hypervisor.name).set(hypervisor.memory_size)
hypervisor_free_cpus.labels(hypervisor.name).set(hypervisor.vcpus_used)
hypervisor_total_cpus.labels(hypervisor.name).set(hypervisor.vcpus)
if hypervisor.status == "enabled":
hypervisor_enabled.labels(hypervisor.name).set(1)
else:
hypervisor_enabled.labels(hypervisor.name).set(0)
if hypervisor.state == "up":
hypervisor_up.labels(hypervisor.name).set(1)
else:
hypervisor_up.labels(hypervisor.name).set(0)
def generate_nova_metrics(connection,api_gauge):
start_time = datetime.datetime.now()
for server in connection.compute.servers():
name = server
end_time = datetime.datetime.now()
time_took = end_time - start_time
seconds_took = time_took.seconds
print(f'Nova took {seconds_took} seconds')
api_gauge.labels('nova').set(seconds_took)
def generate_neutron_metrics(connection,api_gauge):
project = connection.current_project
start_time = datetime.datetime.now()
for network in connection.network.networks(project_id=project.id):
name = network
end_time = datetime.datetime.now()
time_took = end_time - start_time
seconds_took = time_took.seconds
print(f'Neutron took {seconds_took} seconds')
api_gauge.labels('neutron').set(seconds_took)
def generate_cinder_metrics(connection,api_gauge):
start_time = datetime.datetime.now()
for volume in connection.volume.volumes():
name = volume
end_time = datetime.datetime.now()
time_took = end_time - start_time
seconds_took = time_took.seconds
print(f'Cinder took {seconds_took} seconds')
api_gauge.labels('cinder').set(seconds_took)
if __name__ == '__main__':
print("Starting server on port 8000")
api_metrics = prom.Gauge('openstack_api_response_seconds', 'Time for openstack api to execute.', ['api_name'])
hypervisor_running_vms = prom.Gauge('openstack_hypervisor_running_vms', 'Number of VMs running on this hypervisor.',['hypervisor_hostname'])
hypervisor_used_ram_mb = prom.Gauge('openstack_hypervisor_used_ram_mb', 'Total MB of used RAM on the hypervisor.',['hypervisor_hostname'])
hypervisor_total_ram_mb = prom.Gauge('openstack_hypervisor_total_ram_mb', 'Total MB of RAM on the hypervisor.',['hypervisor_hostname'])
hypervisor_used_cpus = prom.Gauge('openstack_hypervisor_used_cpus', 'Total VCPUs used on the hypervisor.',['hypervisor_hostname'])
hypervisor_total_cpus = prom.Gauge('openstack_hypervisor_total_cpus', 'Total VCPUs on the hypervisor.',['hypervisor_hostname'])
hypervisor_enabled = prom.Gauge('openstack_hypervisor_enabled', 'nova-compute service status on hypervisor. 1 is enabled 0 is disabled.',['hypervisor_hostname'])
hypervisor_up = prom.Gauge('openstack_hypervisor_up', 'nova-compute service state on hypervisor. 1 is up 0 is down.',['hypervisor_hostname'])
prom.start_http_server(8000)
while True:
try:
print("Gathering metrics...")
connection = openstack_connection()
generate_nova_metrics(connection,api_metrics)
generate_neutron_metrics(connection,api_metrics)
generate_cinder_metrics(connection,api_metrics)
generate_hypervisor_metrics(connection, hypervisor_running_vms, hypervisor_used_ram_mb, hypervisor_total_ram_mb, hypervisor_used_cpus, hypervisor_total_cpus, hypervisor_enabled, hypervisor_up)
api_metrics.generate_nova_metrics(connection)
api_metrics.generate_neutron_metrics(connection)
api_metrics.generate_cinder_metrics(connection)
hypervisor_metrics.generate_hypervisor_metrics(connection)
connection.close()
print("Waiting 30 seconds to gather more metrics.")
time.sleep(30)
except Exception:
print(traceback.print_exc())
print(traceback.print_exc())
print("Waiting 30 seconds to gather more metrics.")
time.sleep(30)