OpenStack Ussuri : Configure Gnocchi2020/06/18 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Linux Bridge | | Libvirt |
| Memcached httpd | | L2 Agent | | Nova Compute |
| Keystone Glance | | L3 Agent | | Linux Bridge |
| Nova_API Cinder_API | | Metadata Agent | | L2 Agent |
| Neutron Server | | Cinder Volume | | |
| Metadata Agent | | Heat API | | |
| | | Heat Engine | | |
| | | Gnocchi httpd | | |
+-----------------------+ +-----------------------+ +-----------------------+
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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 | c0e098a54a4640caa9004fb8f500f554 |
| domain_id | default |
| enabled | True |
| id | b2cbcc8dbd56468f9c6baa86d56a9654 |
| 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 | a69804b2eea84431b79fd0b54b4bfb34 | | name | gnocchi | | type | metric | +-------------+----------------------------------+ # define Gnocchi API Host root@dlp ~(keystone)# export controller=10.0.0.50
# create endpoint for [gnocchi] (public) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric public http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 373249e650064a2396b4553f009acad5 | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | a69804b2eea84431b79fd0b54b4bfb34 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ # create endpoint for [gnocchi] (internal) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric internal http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 8bcca2a962a34fb8b8a1214b895a1eb1 | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | a69804b2eea84431b79fd0b54b4bfb34 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ # create endpoint for [gnocchi] (admin) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric admin http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | fc077b6871e24a099a8517c7b666ad34 | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | a69804b2eea84431b79fd0b54b4bfb34 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ |
| [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 108 Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04 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 selection during installation, it's OK with [No] to all. |
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root@network:~# apt -y install gnocchi-api gnocchi-metricd python3-gnocchiclient
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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@10.0.0.30/gnocchi [storage] driver = file file_basepath = /var/lib/gnocchi # Keystone auth info [keystone_authtoken] www_authenticate_uri = http://10.0.0.30:5000 auth_url = http://10.0.0.30:5000 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 chmod 640 /etc/gnocchi/gnocchi.conf root@network:~# chgrp gnocchi /etc/gnocchi/gnocchi.conf root@network:~# su -s /bin/bash gnocchi -c "gnocchi-upgrade" root@network:~# systemctl restart gnocchi-metricd apache2 root@network:~# systemctl enable gnocchi-metricd |
| [4] | Verify working 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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