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https://github.com/natelandau/ansible-homelab-config.git
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Initial commit
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Nathaniel Landau
192
tasks/telegraf.yml
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192
tasks/telegraf.yml
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---
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# TASK DESCRIPTION:
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# Downloads, installs, and configures Telegraf
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# --------------------------------- Set variables depending on system type
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- name: "Configure variables"
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block:
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- name: "set variable: telegraph_binary_location (Debian)"
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ansible.builtin.set_fact:
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telegraph_binary_location: "/usr/bin/telegraf"
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when:
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- ansible_os_family == 'Debian'
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- name: "set variable: telegraph_binary_location (MacOS)"
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ansible.builtin.set_fact:
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telegraph_binary_location: "/usr/local/bin/telegraf"
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when:
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- ansible_os_family == 'Darwin'
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- name: "set fact: telegraph_config_location (Debian)"
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ansible.builtin.set_fact:
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telegraph_config_location: "/etc/telegraf"
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when:
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- ansible_os_family == 'Debian'
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- name: "set fact: telegraph_config_location (macOS)"
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ansible.builtin.set_fact:
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telegraph_config_location: "/usr/local/etc"
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when:
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- ansible_os_family == 'Darwin'
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- name: "set fact: telegraph_config_location (macOS)"
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ansible.builtin.set_fact:
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telegraph_config_location: "/volume1/docker/telegraf/config"
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when:
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- inventory_hostname == 'synology'
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- name: "Fail if arm Mac (need to update task) or variables not defined"
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ansible.builtin.assert:
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that:
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- telegraph_binary_location is defined
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- telegraph_config_location is defined
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- not mac_arm
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fail_msg: "Unable to install Telegraf on this host"
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- name: "Install/upgrade Telegraf"
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block:
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- name: "set fact: Need telegraf install?"
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ansible.builtin.set_fact:
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need_telegraf_install: false
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when: telegraph_binary_location is defined
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- name: Check if telegraf is installed
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ansible.builtin.stat:
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path: "{{ telegraph_binary_location }}"
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check_mode: false
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register: telegraf_binary_exists
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when: telegraph_binary_location is defined
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- name: "set fact: Need telegraf install?"
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ansible.builtin.set_fact:
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need_telegraf_install: true
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check_mode: false
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when:
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- telegraph_binary_location is defined
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- not telegraf_binary_exists.stat.exists
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- name: Check current version of telegraf
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ansible.builtin.shell: "{{ telegraph_binary_location }} --version | grep -oE '[0-9]+\\.[0-9]+\\.[0-9]+'"
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ignore_errors: true
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register: current_telegraf_version
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check_mode: false
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changed_when: current_telegraf_version.stdout != telegraf_version
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when:
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- telegraph_binary_location is defined
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- not need_telegraf_install
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- name: "set fact: Need telegraf install?"
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ansible.builtin.set_fact:
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need_telegraf_install: true
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when:
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- telegraph_binary_location is defined
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- not need_telegraf_install
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- current_telegraf_version.stdout != telegraf_version
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- name: install telegraf (MacOS)
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community.general.homebrew:
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name: telegraf
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state: present
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notify: restart_telegraf
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when:
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- ansible_os_family == 'Darwin'
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- need_telegraf_install
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- name: install base apt-transport (Debian)
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become: true
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ansible.builtin.apt:
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pkg: apt-transport-https
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state: present
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update_cache: true
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when:
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- ansible_os_family == 'Debian'
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- need_telegraf_install
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- name: Download telegraf GPG key (Debian)
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become: true
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ansible.builtin.apt_key:
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state: present
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url: "https://repos.influxdata.com/influxdb.key"
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when:
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- ansible_os_family == 'Debian'
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- need_telegraf_install
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- name: Add telegraf repository to apt (Debian)
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become: true
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ansible.builtin.apt_repository:
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repo: deb https://repos.influxdata.com/debian buster stable
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state: present
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when:
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- ansible_os_family == 'Debian'
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- need_telegraf_install
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- name: install telegraf (Debian)
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become: true
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ansible.builtin.apt:
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pkg: telegraf
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update_cache: true
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notify: restart_telegraf
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when:
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- ansible_os_family == 'Debian'
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- need_telegraf_install
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# - name: give telegraf access to docker
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# become: true
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# ansible.builtin.user:
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# name: telegraf
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# groups: docker
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# append: true
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# state: present
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# create_home: false
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# when:
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# - ansible_os_family == 'Debian'
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# - need_telegraf_install
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# -------------------------------------------------- Add Telegraf Configs
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- name: "Configure Telegraf"
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block:
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- name: "Ensure {{ telegraph_config_location }} exists"
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become: true
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ansible.builtin.file:
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path: "{{ item }}"
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state: directory
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mode: 0755
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loop:
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- "{{ telegraph_config_location }}"
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- "{{ telegraph_config_location }}/telegraf.d"
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- name: template config files to server
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become: true
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ansible.builtin.template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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mode: "644"
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loop:
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- { src: "telegraf/base_config.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.conf" }
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- { src: "telegraf/temperature.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/temperature.conf" }
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- { src: "telegraf/nomad.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/nomad.conf" }
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- { src: "telegraf/docker.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/docker.conf" }
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notify: restart_telegraf
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- name: template leader configs (ie, configs that should be placed on a single server)
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become: true
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ansible.builtin.template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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mode: "644"
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loop:
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- { src: "telegraf/leader.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/leader.conf" }
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- { src: "telegraf/pingHosts.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/pingHosts.conf" }
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when:
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- is_cluster_leader
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notify: restart_telegraf
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- name: Reset file ownership (macOS)
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become: true
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ansible.builtin.file:
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path: "{{ telegraph_config_location }}"
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owner: "{{ ansible_user_uid }}"
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group: "{{ ansible_user_gid }}"
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recurse: true
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when:
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- (ansible_os_family == 'Darwin') or (inventory_hostname == 'synology')
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