OpenStack Epoxy : Configure Aodh

Install OpenStack Alarming Service (Aodh). This example is based on the emvironment like follows. ------------+--------------------------+--------------------------+------------ | | | eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51 +-----------+-----------+ +-----------+-----------+ +-----------+-----------+ | [ dlp.srv.world ] | | [ network.srv.world ] | | [ node01.srv.world ] | | (Control Node) | | (Network Node) | | (Compute Node) | | | | | | | | MariaDB RabbitMQ | | Open vSwitch | | Libvirt | | Memcached Nginx | | Neutron Server | | Nova Compute | | Keystone httpd | | OVN-Northd | | Open vSwitch | | Glance Nova API | | Nginx iSCSI Target | | OVN Metadata Agent | | Cinder API | | Cinder Volume | | OVN-Controller | | | | Gnocchi httpd | | Ceilometer Compute | | | | Ceilometer Central | | | | | | Aodh Services | | | +-----------------------+ +-----------------------+ +-----------------------+

[1]	Install Gnocchi and Ceilometer first.
[2]	Add users and others for Aodh in Keystone.

# create [aodh] user in [service] project root@dlp ~(keystone)#  openstack user create --domain default --project service --password servicepassword aodh +---------------------+----------------------------------+ | Field | Value | +---------------------+----------------------------------+ | default_project_id | a60814a6c56241edbbdfae6c290f8abc | | domain_id | default | | email | None | | enabled | True | | id | e9d9779cc4e043aca38e41b18f8bde0b | | name | aodh | | description | None | | password_expires_at | None | +---------------------+----------------------------------+ # add [aodh] user in [admin] role root@dlp ~(keystone)#  openstack role add --project service --user aodh admin # create service entry for [aodh] root@dlp ~(keystone)#  openstack service create --name aodh --description "Telemetry Alarming" alarming +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | id | 24d29f7f928b47e5894ea9459ba92a9a | | name | aodh | | type | alarming | | enabled | True | | description | Telemetry Alarming | +-------------+----------------------------------+ # define Aodh API Host root@dlp ~(keystone)#  export controller=network.srv.world # add endpoint for aodh (public) root@dlp ~(keystone)#  openstack endpoint create --region RegionOne alarming public https://$controller:8042 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 14230b35ffdd447496f66e5a58dc74b0 | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | 24d29f7f928b47e5894ea9459ba92a9a | | service_name | aodh | | service_type | alarming | | url | https://network.srv.world:8042 | +--------------+----------------------------------+ # add endpoint for aodh (internal) root@dlp ~(keystone)#  openstack endpoint create --region RegionOne alarming internal https://$controller:8042 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | b87179c719524484b736063ee5e4e91c | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | 24d29f7f928b47e5894ea9459ba92a9a | | service_name | aodh | | service_type | alarming | | url | https://network.srv.world:8042 | +--------------+----------------------------------+ # add endpoint for aodh (admin) root@dlp ~(keystone)#  openstack endpoint create --region RegionOne alarming admin https://$controller:8042 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 8b8389cb0d434cab88c88e158a7b80c4 | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | 24d29f7f928b47e5894ea9459ba92a9a | | service_name | aodh | | service_type | alarming | | url | https://network.srv.world:8042 | +--------------+----------------------------------+

[3]	Add a User and Database on MariaDB for Aodh.

root@network:~#  mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 53477883 Server version: 11.8.2-MariaDB-1 from Debian -- Please help get to 10k stars at https://github.com/MariaDB/Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> create database aodh; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> grant all privileges on aodh.* to aodh@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> grant all privileges on aodh.* to aodh@'%' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye

[4]	Install Aodh on Network Node.

root@network:~#  apt -y install aodh-api aodh-evaluator aodh-notifier aodh-listener aodh-expirer python3-aodhclient

[5]	Configure Aodh.

root@network:~#  mv /etc/aodh/aodh.conf /etc/aodh/aodh.conf.org root@network:~#  vi /etc/aodh/aodh.conf # create new [DEFAULT] log_dir = /var/log/aodh # RabbitMQ connection info transport_url = rabbit://openstack:password@dlp.srv.world [api] auth_mode = keystone gnocchi_external_project_owner = service [database] # MariaDB connection info connection = mysql+pymysql://aodh:password@127.0.0.1/aodh # Keystone auth info [keystone_authtoken] www_authenticate_uri = https://dlp.srv.world:5000 auth_url = https://dlp.srv.world:5000 memcached_servers = dlp.srv.world:11211 auth_type = password project_domain_name = Default user_domain_name = Default project_name = service username = aodh password = servicepassword service_token_roles_required = true # if using self-signed certs on httpd Keystone, turn to [true] insecure = false [service_credentials] auth_url = https://dlp.srv.world:5000 auth_type = password project_domain_name = Default user_domain_name = Default project_name = service username = aodh password = servicepassword interface = public root@network:~#  vi /etc/apache2/sites-available/aodh.conf # create new Listen 127.0.0.1:8042 <VirtualHost *:8042> <Directory /usr/bin> AllowOverride None Require all granted </Directory> CustomLog /var/log/apache2/aodh_wsgi_access.log combined ErrorLog /var/log/apache2/aodh_wsgi_error.log WSGIApplicationGroup %{GLOBAL} WSGIDaemonProcess aodh display-name=aodh_wsgi user=aodh group=aodh processes=6 threads=6 WSGIProcessGroup aodh WSGIScriptAlias / /usr/bin/aodh-api </VirtualHost> root@network:~#  chmod 640 /etc/aodh/aodh.conf root@network:~#  chgrp aodh /etc/aodh/aodh.conf

[6]	Configure Nginx for proxy settings.

root@network:~#  vi /etc/nginx/nginx.conf # add into the [stream] section stream { upstream neutron-api { server 127.0.0.1:9696; } server { listen 10.0.0.50:9696 ssl; proxy_pass neutron-api; } upstream aodh-api { server 127.0.0.1:8042; } server { listen 10.0.0.50:8042 ssl; proxy_pass aodh-api; } ssl_certificate "/etc/letsencrypt/live/network.srv.world/fullchain.pem"; ssl_certificate_key "/etc/letsencrypt/live/network.srv.world/privkey.pem"; }

[7]	Add Data into Database and start Gnocchi services.

root@network:~#  su -s /bin/bash aodh -c "aodh-dbsync" root@network:~#  a2enmod wsgi root@network:~#  a2enmod ssl root@network:~#  a2ensite aodh root@network:~#  systemctl disable --now aodh-api root@network:~#  systemctl restart aodh-evaluator aodh-notifier aodh-listener apache2 root@network:~#  systemctl restart nginx

[10]	Verify state on Control Node.

root@dlp ~(keystone)#  apt -y install python3-aodhclient root@dlp ~(keystone)#  openstack alarm list # OK if no error is shown

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