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13.3. Configure Time-Series-Database-as-a-Service

When manually installing the Time-Series-Database-as-a-Service packages, the service's configuration file (namely, /etc/gnocchi/gnocchi.conf ) will have no settings configured. You will need to manually add and configure each setting as required.
  • In the [DEFAULT] section, enable logging and verbose output: 
    [DEFAULT]
debug = true
verbose = true
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  • In the [API] section, list the number of workers: 
    [api]
workers = 1
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  • In the [database] section, set backend to sqlalchemy: 
    [database]
backend = sqlalchemy
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  • In the [indexer] section, configure the SQL database by passing the user name, password, and the IP address: 
    [indexer]
url = mysql://USER_NAME:PASSWORD@192.0.2.10/gnocchi2?charset=utf8
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    Note

    The database has to be created before starting gnocchi-api
  • In the [keystone_authtoken] section, update the authentication parameters. For example: 
    [keystone_authtoken]
auth_uri = http://192.0.2.7:5000/v2.0
signing_dir = /var/cache/gnocchi
auth_host = 192.0.2.7
auth_port = 35357
auth_protocol = http
identity_uri = http://192.0.2.7:35357/
admin_user = admin
admin_password = 5179f4d3c5b1a4c51269cad2a23dbf336513efeb
admin_tenant_name = admin
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  • In the [statsd] section, include the following parameter values: 
    [statsd]
resource_id = RESOURCE_ID
user_id = USER_ID
project_id = PROJECT_ID
archive_policy_name = low
flush_delay = 5
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    Replace the values for RESOURCE_ID, USER_ID, and PROJECT_ID with values for your deployment.
  • In the [storage] section, manually add the coordination_url and file_basepath and set the driver value to file: 
    [storage]
coordination_url = file:///var/lib/gnocchi/locks
driver = file
file_basepath = /var/lib/gnocchi
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  • Restart the gnocchi service to ensure that the change takes effect: 
    # systemctl restart openstack-gnocchi-api.service
# systemctl restart openstack-gnocchi-metricd.service
# systemctl restart openstack-gnocchi-statsd.service
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