DEPRECATED

This role has been deprecated in favor of a the grafana-ansible-collection collection.

Ansible Role: grafana

Provision and manage grafana - platform for analytics and monitoring

Requirements

Ansible >= 2.7 (It might work on previous versions, but we cannot guarantee it)
libselinux-python on deployer host (only when deployer machine has SELinux)
grafana >= 5.1 (for older grafana versions use this role in version 0.10.1 or earlier)
jmespath on deployer machine. If you are using Ansible from a Python virtualenv, install jmespath to the same virtualenv via pip.

Role Variables

All variables which can be overridden are stored in defaults/main.yml file as well as in table below.

Name	Default Value	Description
`grafana_use_provisioning`	true	Use Grafana provisioning capability when possible (grafana_version=latest will assume >= 5.0).
`grafana_provisioning_synced`	false	Ensure no previously provisioned dashboards are kept if not referenced anymore.
`grafana_version`	latest	Grafana package version
`grafana_yum_repo_template`	etc/yum.repos.d/grafana.repo.j2	Yum template to use
`grafana_manage_repo`	true	Manage package repo (or don't)
`grafana_instance`	{{ ansible_fqdn \| default(ansible_host) \| default(inventory_hostname) }}	Grafana instance name
`grafana_logs_dir`	/var/log/grafana	Path to logs directory
`grafana_data_dir`	/var/lib/grafana	Path to database directory
`grafana_address`	0.0.0.0	Address on which grafana listens
`grafana_port`	3000	port on which grafana listens
`grafana_cap_net_bind_service`	false	Enables the use of ports below 1024 without root privileges by leveraging the 'capabilities' of the linux kernel. read: http://man7.org/linux/man-pages/man7/capabilities.7.html
`grafana_url`	"http://{{ grafana_address }}:{{ grafana_port }}"	Full URL used to access Grafana from a web browser
`grafana_api_url`	"{{ grafana_url }}"	URL used for API calls in provisioning if different from public URL. See this issue.
`grafana_domain`	"{{ ansible_fqdn \| default(ansible_host) \| default('localhost') }}"	setting is only used in as a part of the `root_url` option. Useful when using GitHub or Google OAuth
`grafana_server`	{ protocol: http, enforce_domain: false, socket: "", cert_key: "", cert_file: "", enable_gzip: false, static_root_path: public, router_logging: false }	server configuration section
`grafana_security`	{ admin_user: admin, admin_password: "" }	security configuration section
`grafana_database`	{ type: sqlite3 }	database configuration section
`grafana_welcome_email_on_sign_up`	false	Send welcome email after signing up
`grafana_users`	{ allow_sign_up: false, auto_assign_org_role: Viewer, default_theme: dark }	users configuration section
`grafana_auth`	{}	authorization configuration section
`grafana_ldap`	{}	ldap configuration section. group_mappings are expanded, see defaults for example
`grafana_session`	{}	session management configuration section
`grafana_analytics`	{}	Google analytics configuration section
`grafana_smtp`	{}	smtp configuration section
`grafana_alerting`	{}	alerting configuration section
`grafana_log`	{}	log configuration section
`grafana_metrics`	{}	metrics configuration section
`grafana_tracing`	{}	tracing configuration section
`grafana_snapshots`	{}	snapshots configuration section
`grafana_image_storage`	{}	image storage configuration section
`grafana_dashboards`	[]	List of dashboards which should be imported
`grafana_dashboards_dir`	"dashboards"	Path to a local directory containing dashboards files in `json` format
`grafana_datasources`	[]	List of datasources which should be configured
`grafana_environment`	{}	Optional Environment param for Grafana installation, useful ie for setting http_proxy
`grafana_plugins`	[]	List of Grafana plugins which should be installed
`grafana_alert_notifications`	[]	List of alert notification channels to be created, updated, or deleted

Datasource example:

grafana_datasources:
  - name: prometheus
    type: prometheus
    access: proxy
    url: 'http://{{ prometheus_web_listen_address }}'
    basicAuth: false

Dashboard example:

grafana_dashboards:
  - dashboard_id: 111
    revision_id: 1
    datasource: prometheus

Alert notification channel example:

NOTE: setting the variable grafana_alert_notifications will only come into effect when grafana_use_provisioning is true. That means the new provisioning system using config files, which is available starting from Grafana v5.0, needs to be in use.

grafana_alert_notifications:
  notifiers:
    - name: Channel 1
      type: email
      uid: channel1
      is_default: false
      send_reminder: false
      settings:
        addresses: "example@example.com"
        autoResolve: true
  delete_notifiers:
    - name: Channel 2
      uid: channel2

Use a custom Grafana Yum repo template example:

Put your template next to your playbook under templates folder
Use a different path than the default one, because ansible , when using relative path, use the first template found and look under the role directory at first then the playbook directory.

The template expansion will be put under /etc/yum.repos.d/ , and will have as a name, the basename of the template path without the .j2

Example:

grafana_yum_repo_template: my_yum_repos/grafana.repo.j2

# [playbook_dir]/templates/my_yum_repos/grafana.repo.j2
# will be put under
# /etc/yum.repos.d/grafana.repo
# on the remote host

Supported CPU Architectures

Historically packages were taken from different channels according to CPU architecture. Specifically, armv6/armv7 and aarch64/arm64 packages were via unofficial packages distributed by fg2it. Now that Grafana publishes official ARM builds, all packages are taken from the official Debian/Ubuntu or RPM packages.

Example

Playbook

Fill in the admin password field with your choice, the Grafana web page won't ask to change it at the first login.

- hosts: all
  roles:
    - role: cloudalchemy.grafana
      vars:
        grafana_security:
          admin_user: admin
          admin_password: enter_your_secure_password

Demo site

We provide demo site for full monitoring solution based on prometheus and grafana. Repository with code and links to running instances is available on github and site is hosted on DigitalOcean.

Local Testing

The preferred way of locally testing the role is to use Docker and molecule (v2.x). You will have to install Docker on your system. See "Get started" for a Docker package suitable to for your system. We are using tox to simplify process of testing on multiple ansible versions. To install tox execute:

pip3 install tox

To run tests on all ansible versions (WARNING: this can take some time)

tox

To run a custom molecule command on custom environment with only default test scenario:

tox -e py35-ansible28 -- molecule test -s default

For more information about molecule go to their docs.

If you would like to run tests on remote docker host just specify DOCKER_HOST variable before running tox tests.

Travis CI

Combining molecule and travis CI allows us to test how new PRs will behave when used with multiple ansible versions and multiple operating systems. This also allows use to create test scenarios for different role configurations. As a result we have a quite large test matrix which will take more time than local testing, so please be patient.

Contributing

See contributor guideline.

Troubleshooting

See troubleshooting.

License

This project is licensed under MIT License. See LICENSE for more details.

License

cloudalchemy/ansible-grafana

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