OpenStack Zed : Configure Gnocchi2023/06/30 |
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Install TDBaaS (Time Series Database as a Service), Gnocchi.
This example is based on the environment 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 | | Neutron L2/L3 Agent | | Libvirt |
| Memcached Nginx | | Neutron Metadata | | Nova Compute |
| Keystone httpd | | Open vSwitch | | Neutron L2 Agent |
| Glance Nova API | | iSCSI Target | | Open vSwitch |
| Neutron Server | | Cinder Volume | | |
| Neutron Metadata | | httpd Gnocchi | | |
| Cinder API | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Add users and others for Gnocchi in Keystone. |
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# create [gnocchi] user in [service] project root@dlp ~(keystone)# openstack user create --domain default --project service --password servicepassword gnocchi
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| default_project_id | d8b09d86ed7743039f92b2e542ea26c1 |
| domain_id | default |
| enabled | True |
| id | 98235d1d6194458fa14c8a3f292289db |
| name | gnocchi |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
# add [gnocchi] user in [admin] role root@dlp ~(keystone)# openstack role add --project service --user gnocchi admin
# create service entry for [gnocchi] root@dlp ~(keystone)# openstack service create --name gnocchi --description "Metric Service" metric +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | Metric Service | | enabled | True | | id | 672c84ec6b74470797f69278b1d52eb5 | | name | gnocchi | | type | metric | +-------------+----------------------------------+ # set Gnocchi API Host root@dlp ~(keystone)# export controller=network.srv.world
# create endpoint for [gnocchi] (public) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric public https://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 9f4488875a95463eb937c0d37f3994e9 | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | 672c84ec6b74470797f69278b1d52eb5 | | service_name | gnocchi | | service_type | metric | | url | https://network.srv.world:8041 | +--------------+----------------------------------+ # create endpoint for [gnocchi] (internal) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric internal https://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 5dc88124ade54e79b9c37c0f95ce9fbb | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | 672c84ec6b74470797f69278b1d52eb5 | | service_name | gnocchi | | service_type | metric | | url | https://network.srv.world:8041 | +--------------+----------------------------------+ # create endpoint for [gnocchi] (admin) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric admin https://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 3d49edb40ac24304a992838b2e6a52b6 | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | 672c84ec6b74470797f69278b1d52eb5 | | service_name | gnocchi | | service_type | metric | | url | https://network.srv.world:8041 | +--------------+----------------------------------+ |
| [2] | Add a User and Database on MariaDB for Gnocchi. |
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root@dlp ~(keystone)# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 217 Server version: 10.11.3-MariaDB-1 Debian 12 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 gnocchi; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> grant all privileges on gnocchi.* to gnocchi@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> grant all privileges on gnocchi.* to gnocchi@'%' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye |
| [3] | Install Gnocchi on Network Node. For questions during the installation, it's OK with [No] to all. |
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root@network:~# apt -y install gnocchi-api gnocchi-metricd python3-gnocchiclient apache2 libapache2-mod-wsgi-py3
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| [4] | Configure Gnocchi. |
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root@network:~# mv /etc/gnocchi/gnocchi.conf /etc/gnocchi/gnocchi.conf.org
root@network:~#
vi /etc/gnocchi/gnocchi.conf # create new [DEFAULT] log_dir = /var/log/gnocchi [api] auth_mode = keystone [database] backend = sqlalchemy # MariaDB connection info [indexer] url = mysql+pymysql://gnocchi:password@dlp.srv.world/gnocchi [storage] driver = file file_basepath = /var/lib/gnocchi # Keystone auth info [keystone_authtoken] www_authenticate_uri = https://dlp.srv.world:5000 auth_url = https://dlp.srv.world:5000 memcached_servers = 10.0.0.30:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = gnocchi password = servicepassword service_token_roles_required = true # if using self-signed certs on Apache2 Keystone, turn to [true] insecure = false [oslo_policy] enforce_new_defaults = false
root@network:~#
vi /etc/apache2/sites-available/gnocchi-api.conf # create new # replace SSL/TLS certificate to yours
Listen 8041
<VirtualHost *:8041>
<Directory /usr/bin>
AllowOverride None
Require all granted
</Directory>
SSLEngine on
SSLHonorCipherOrder on
SSLCertificateFile /etc/letsencrypt/live/network.srv.world/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/network.srv.world/privkey.pem
SSLCertificateChainFile /etc/letsencrypt/live/network.srv.world/chain.pem
CustomLog /var/log/apache2/gnocchi_wsgi_access.log combined
ErrorLog /var/log/apache2/gnocchi_wsgi_error.log
SetEnvIf X-Forwarded-Proto https HTTPS=1
WSGIApplicationGroup %{GLOBAL}
WSGIDaemonProcess gnocchi display-name=gnocchi_wsgi user=gnocchi group=gnocchi processes=6 threads=6
WSGIProcessGroup gnocchi
WSGIScriptAlias / /usr/bin/gnocchi-api
</VirtualHost>
chmod 640 /etc/gnocchi/gnocchi.conf root@network:~# chgrp gnocchi /etc/gnocchi/gnocchi.conf |
| [5] | Add Data into Database and start Gnocchi services. |
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root@network:~# su -s /bin/bash gnocchi -c "gnocchi-upgrade" root@network:~# a2enmod wsgi root@network:~# a2enmod ssl root@network:~# a2ensite gnocchi-api root@network:~# systemctl stop --now gnocchi-api root@network:~# systemctl restart gnocchi-metricd apache2 root@network:~# systemctl enable gnocchi-metricd apache2 |
| [6] | Verify state on Control Node. |
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root@dlp ~(keystone)#
apt -y install python3-gnocchiclient root@dlp ~(keystone)# export OS_AUTH_TYPE=password root@dlp ~(keystone)# gnocchi resource list
# OK if no error is shown |
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