Ansible Role influxdb

This role installs and configures InfluxDB.

Runs on

RHEL 8 (and compatible)

Mandatory Requirements

Install influxdb and requests into a Python 3 virtual environment in /opt/python-venv/influxdb. This can be done using the linuxfabrik.lfops.python_venv role.
Enable the official InfluxDB repository. This can be done using the linuxfabrik.lfops.repo_influxdb role.

Tags

Tag	What it does
`influxdb`	Installs and configures InfluxDB
`influxdb:database`	Creates or deletes InfluxDB databases
`influxdb:dump`	Configures dumps (backups) of the InfluxDB server
`influxdb:state`	Manages the state of the InfluxDB service
`influxdb:user`	Creates, updates or deletes InfluxDB users

Mandatory Role Variables

Variable	Description
`influxdb__admin_login`	The user account for the database administrator.

Example:

# mandatory
influxdb__admin_login:
  username: 'influxdb-admin'
  password: 'linuxfabrik'

Optional Role Variables

Variable	Description	Default Value
`influxdb__conf_continuous_queries_log_enabled`	Controls whether queries are logged when executed by the continuous query service. Make sure to also set `influxdb__conf_logging_level: 'debug'` if this is enabled.	`false`
`influxdb__conf_continuous_queries_run_interval`	Interval for how often continuous queries will be checked if they need to run.	`'1s'`
`influxdb__conf_https`	Determines whether HTTPS is enabled or not. Also have a look at `influxdb__validate_certs`. Subkeys: `certificate_path`: Mandatory, string. The path of the certificate file used for SSL encryption. `privatekey_path`: Mandatory, string. The path of the certificate key file used for SSL encryption.	unset
`influxdb__conf_log_queries_after`	The time threshold when a query will be logged as a slow query. Setting the value to 0 disables the slow query logging.	`'0s'`
`influxdb__conf_logging_level`	Determines which level of logs will be emitted. Possible options: `'error'`, `'warn'`, `'info'`, `'debug'`.	`'warn'`
`influxdb__dump_timer_enabled`	Enables or disables the influxdb service, analogous to `systemctl enable/disable --now`.	`true`
`influxdb__databases__host_var` / `influxdb__databases__group_var`	List of InfluxDB databases that should be created or deleted. Subkeys: * `name`: Mandatory, string. Name of the database. * `state`: Optional, string. Defaults to `present`. The state of the database. Possible options: `present`, `absent`. * `retention`: Mandatory, string. Determines how long InfluxDB should keep the data. If specified, it should be `INF` or at least one hour. For the usage in `host_vars` / `group_vars` (can only be used in one group at a time).	`[]`
`influxdb__users__host_var` / `influxdb__users__group_var`	List of InfluxDB users that should be created, updated or deleted. Subkeys: * `name`: Mandatory, string. The name of the account. * `password`: Mandatory, string. The password of the account. * `state`: Optional, string. Defaults to `present`. The state of the account. Possible options: `present`, `absent`. * `admin`: Optional, boolean. Defaults to `false`. Whether the user should be in the admin role or not. * `grants`: Optional, list. Defaults to omit. Takes a list of dicts containing the `database` and `privilege` keys. For the usage in `host_vars` / `group_vars` (can only be used in one group at a time).	`[]`
`influxdb__service_enabled`	Enables or disables the influxdb service, analogous to `systemctl enable/disable --now`.	`true`
`influxdb__validate_certs`	If set to `false`, the role will not validate SSL certificates when connecting to InfluxDB. This is useful when using self-signed certificates.	`true`

Example:

# optional
influxdb__conf_continuous_queries_log_enabled: true
influxdb__conf_continuous_queries_run_interval: '1s'
influxdb__conf_https:
  certificate_path: '/etc/ssl/ssl-certificate.crt'
  private_key_path: '/etc/ssl/ssl-certificate.key'
influxdb__conf_log_queries_after: '0s'
influxdb__conf_logging_level: 'warn'
influxdb__dump_timer_enabled: true
influxdb__databases__host_var:
  - name: 'database1'
    state: 'present'
    retention: '216d'
influxdb__users__host_var:
  - name: 'user1'
    password: 'linuxfabrik'
    state: 'present'
    admin: false
    grants:
      - database: 'database1'
        privilege: 'ALL'
influxdb__service_enabled: true
influxdb__validate_certs: false

License

The Unlicense

Author Information

Linuxfabrik GmbH, Zurich