influxdb: First version of role

roles/influxdb/files/influxdb.sysconfig

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+INFLUXDB_META_DIR="/srv/influxdb/meta"
+INFLUXDB_DATA_DIR="/srv/influxdb/data"
+INFLUXDB_DATA_WAL_DIR="/srv/influxdb/wal"
+
+INFLUXDB_HTTP_BIND_ADDRESS="127.0.0.1:8086"
+INFLUXDB_HTTP_AUTH_ENABLED=true

roles/influxdb/handlers/main.yml

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+---
+- name: restart influxdb
+  ansible.builtin.service:
+    name: influxdb
+    state: restarted

roles/influxdb/meta/main.yml

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+---
+dependencies:
+  - {role: nginx/server}

roles/influxdb/tasks/main.yml

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+---
+- name: enable repository
+  ansible.builtin.yum_repository:
+    name: influxdb
+    baseurl: https://repos.influxdata.com/rhel/$releasever/$basearch/stable
+    description: InfluxDB
+    gpgcheck: true
+    gpgkey: https://repos.influxdata.com/influxdb.key
+    enabled: true
+
+- name: install packages
+  ansible.builtin.package:
+    name: influxdb2
+    state: present
+
+- name: create data directory
+  ansible.builtin.file:
+    path: /export/influxdb
+    state: directory
+    mode: 0755
+    owner: influxdb
+    group: influxdb
+
+- name: link data directory
+  ansible.builtin.file:
+    path: /srv/influxdb
+    src: /export/influxdb
+    state: link
+    owner: root
+    group: "{{ ansible_wheel }}"
+    follow: false
+
+- name: create config
+  ansible.builtin.copy:
+    dest: /etc/default/influxdb
+    src: influxdb.sysconfig
+    mode: 0644
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: restart influxdb
+
+- name: enable service
+  ansible.builtin.service:
+    name: influxdb
+    state: started
+    enabled: true
+
+- name: allow nginx to connect influxdb
+  seboolean:
+    name: httpd_can_network_connect
+    state: true
+    persistent: true
+
+- name: create nginx config
+  copy:
+    dest: "/etc/nginx/conf.d/{{ inventory_hostname }}/influxdb.conf"
+    content: |
+      location / {
+          proxy_pass http://127.0.0.1:8086/;
+      }
+    mode: 0644
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: restart nginx