def stop_ns_monitoring(nsId):
"""
Contact with the monitoring manager to delete the monitoring jobs and the dashboard
Parameters
----------
nsId: string
String identifying the network service
Returns
-------
None
"""
# parse NSD / VNFDs to get the list of montoring jobs to be configured and its information
if monitoring_pushgateway == "no":
job_ids = ns_db.get_monitoring_info(nsId)
for job_id in job_ids:
stop_monitoring_job(job_id['exporterId'])
# delete monitor jobs from database by posting an empty list
ns_db.set_monitoring_info(nsId, [])
dashboard_info = ns_db.get_dashboard_info(nsId)
if "dashboardId" in dashboard_info.keys():
stop_dashboard(dashboard_info["dashboardId"])
ns_db.set_dashboard_info(nsId, {})
else:
job_ids = ns_db.get_monitoring_info(nsId)
for job_id in job_ids:
stop_monitoring_job(job_id['exporterId'])
stop_exporters_on_rvm_agent(job_id)
delete_rvm_agent(job_id['agent_id'])
# delete monitor jobs from database by posting an empty list
ns_db.set_monitoring_info(nsId, [])
dashboard_info = ns_db.get_dashboard_info(nsId)
if "dashboardId" in dashboard_info.keys():
stop_dashboard(dashboard_info["dashboardId"])
ns_db.set_dashboard_info(nsId, {})
def configure_ns_monitoring(nsId, nsd, vnfds, deployed_vnfs_info):
"""
Contact with the monitoring manager to configure the monitoring jobs and the dashboard
Parameters
----------
nsId: string
String identifying the network service
nsd: json
Network service descriptor
vnfds: json
VNF descriptor
deployed_vnfs_info: dict
Dictionary with information of the saps of the deployed vnfs in a network service
Returns
-------
None
"""
# parse NSD / VNFDs to get the list of monitoring jobs to be configured and its information
# ! we need the input of the vnfds, to have the endpoints!
jobs = get_pm_jobs_v2(nsd, deployed_vnfs_info, nsId)
# for each job request the Monitoring Configuration Manager to configure the job and save the job_id
job_ids = []
for job in jobs:
job_elem = configure_monitoring_job(job)
job_ids.append(job_elem)
# save the list of jobs in the database
ns_db.set_monitoring_info(nsId, job_ids)
# create the dashboard for the monitoring jobs
dashboard_id = configure_dashboard_v2(nsId, jobs)
ns_db.set_dashboard_info(nsId, dashboard_id)
def update_ns_monitoring(nsId, nsd, vnfds, deployed_vnfs_info):
"""
Contact with the monitoring manager to update the monitoring jobs and the dashboard
Parameters
----------
nsId: string
String identifying the network service
nsd: json
Network service descriptor
vnfds: json
VNF descriptor
deployed_vnfs_info: dict
Dictionary with information of the saps of the deployed vnfs in a network service
Returns
-------
None
"""
if monitoring_pushgateway == "no":
new_jobs = [] # result of scale out operations
old_jobs = [] # result of scale in operations
job_ids = []
[new_jobs, old_jobs] = update_pm_jobs(nsId, deployed_vnfs_info)
for job in new_jobs:
job_elem = configure_monitoring_job(job)
job_ids.append(job_elem)
# update the list of jobs in the database
for job in old_jobs:
stop_monitoring_job(job)
ns_db.update_monitoring_info(nsId, job_ids, old_jobs)
# update the dashboard for the monitoring jobs: once all required ones have been created or erased
jobs = ns_db.get_monitoring_info(nsId)
dashboard_info = ns_db.get_dashboard_info(nsId)
if "dashboardId" in dashboard_info.keys():
stop_dashboard(dashboard_info["dashboardId"])
dashboard_id = configure_dashboard_v2(nsId, jobs)
# we rewrite the dasboard info
ns_db.set_dashboard_info(nsId, dashboard_id)
else:
new_jobs = [] # result of scale out operations
old_jobs = [] # result of scale in operations
job_ids = []
[new_jobs,
old_jobs] = update_pm_jobs_rvm_agents(nsId, deployed_vnfs_info)
for job in new_jobs:
job_elem = configure_monitoring_job_prometheus(job)
job_elem = start_exporters_on_rvm_agent(job_elem)
job_ids.append(job_elem)
# update the list of jobs in the database
old_jobs_ids = []
for job_id in old_jobs:
stop_monitoring_job(job_id['exporterId'])
stop_exporters_on_rvm_agent(job_id)
delete_rvm_agent(job_id['agent_id'])
old_jobs_ids.append(job_id['exporterId'])
ns_db.update_monitoring_info(nsId, job_ids, old_jobs_ids)