deploy_influxdb.yml

- name: install and configure influxdb cluster
  user: root
  hosts:
    - influxdb_cluster
    - influxdb_benchmark

  tasks:
    - name: install dependencies
      apt:
        name: "{{ item }}"
        state: latest
        update_cache: yes
        cache_valid_time: 600
      with_items:
        - python-software-properties
        - python-pycurl

- name: install and configure influxdb cluster
  user: root
  hosts: influxdb_cluster

  roles:
    - role: selectel.influxdb
      influxdb_cluster_group: influxdb_cluster
      influxdb_config:
        logging:
          level: warn
        cluster:
          seed-servers: 
            - "{{ hostvars[groups[influxdb_cluster_group][0]]['ansible_default_ipv4']['address'] }}:8090"

  post_tasks:
    # use shell module instead of uri because https://github.com/ansible/ansible-modules-core/issues/265
    - name: Create benchmark db
      shell: "curl -X POST 'http://{{ ansible_ssh_host }}:8086/db?u=root&p=root' -d '{\"name\": \"benchmark\"}'"
      when: inventory_hostname == groups['influxdb_cluster'][0]
      register: create_db
      connection: local
      changed_when: '" exists" not in create_db.stdout'

- name: install and configure influxdb benchmark host
  user: root
  hosts: influxdb_benchmark

  roles:
    - role: selectel.influxdb
      influxdb_config:
        logging:
          level: warn

      influxdb_benchmark_config: # if this not defined, then benchmark config generation will be skipped
        log_file: benchmark.log
        servers:
          - connection_string: "{{ hostvars[groups['influxdb_cluster'][0]]['ansible_default_ipv4']['address'] }}:8086"
            is_secure: false
            skip_verify: false
            timeout: 15s
        cluster_credentials:
          database: benchmark
          user: root
          password: root
        stats_server:
          connection_string: "localhost:8086"
          database: bench_stat
          user: root
          password: root
          is_secure: false
          skip_verify: false
          timeout: 10s

  post_tasks:
    # use shell module instead of uri because https://github.com/ansible/ansible-modules-core/issues/265
    - name: Create bench_stat db
      shell: "curl -X POST 'http://{{ ansible_ssh_host }}:8086/db?u=root&p=root' -d '{\"name\": \"bench_stat\"}'"
      when: inventory_hostname == groups['influxdb_benchmark'][0]
      register: create_db
      connection: local
      changed_when: '" exists" not in create_db.stdout'

    - name: Create grafana db
      shell: "curl -X POST 'http://{{ ansible_ssh_host }}:8086/db?u=root&p=root' -d '{\"name\": \"grafana\"}'"
      when: inventory_hostname == groups['influxdb_benchmark'][0]
      register: create_db
      connection: local
      changed_when: '" exists" not in create_db.stdout'

- name: install and configure influxdb benchmark host
  user: root
  hosts: influxdb_benchmark

  roles:
    - role: selectel.grafana
      grafana_version: 1.9.0
      grafana_config:
        datasources:
          influxdb:
            type: influxdb
            url: "https://{{ ansible_ssh_host }}/grafana/influxdb/db/bench_stat"
            username: root
            password: root
          grafana:
            type: influxdb
            url: "https://{{ ansible_ssh_host }}/grafana/influxdb/db/grafana/"
            username: root
            password: root
            grafanaDB: true
    - role: selectel.nginx
      nginx_sites_list:
        - server_name: default
          state: present
          cert:
            CN: "{{ ansible_fqdn }}"
            O: "Company Ltd."
            C: "RU"
            days: 365

          locations:
            - location: "/grafana"
              rules:
                - alias: "/opt/grafana/current"
                - index: "index.html"
            - location: "/grafana/influxdb/"
              rules:
                - proxy_pass: "http://{{ ansible_ssh_host }}:8086/"