Add speedtest cli to Telegraf config

- Install speedtest CLI on cluster leader
- Install speedtest telegraf config on leader
- cleanup hosts in ping list
- Add custom shell script on leader to output speedtest data to influxdb
- improve version checking of Telegraf binary
- bump telegraf version
- allow ' package-latest' to pass ansible-lint

tasks/telegraf.yml

@@ -43,6 +43,13 @@
           - not mac_arm
         fail_msg: "Unable to install Telegraf on this host"
 
+    - name: "set variable: Set speedtest download Binary (armv7l)"
+      ansible.builtin.set_fact:
+        speedtest_download_file_uri: "https://install.speedtest.net/app/cli/ookla-speedtest-{{ speedtest_cli_version }}-linux-armhf.tgz"
+      when:
+        - ansible_os_family == 'Debian'
+        - ansible_architecture == 'armv7l'
+
 - name: "Install/upgrade Telegraf"
   block:
     - name: "set fact: Need telegraf install?"
@@ -70,7 +77,7 @@
       ignore_errors: true
       register: current_telegraf_version
       check_mode: false
-      changed_when: current_telegraf_version.stdout != telegraf_version
+      changed_when: false
       when:
         - telegraph_binary_location is defined
         - not need_telegraf_install
@@ -81,7 +88,13 @@
       when:
         - telegraph_binary_location is defined
         - not need_telegraf_install
-        - current_telegraf_version.stdout != telegraf_version
+        - current_telegraf_version.stdout is version(telegraf_version, '<')
+
+    - ansible.builtin.debug:
+        msg: "Current telegraf version {{ current_telegraf_version.stdout }} is lower than specified {{ telegraf_version }}"
+      when:
+        - telegraph_binary_location is defined
+        - current_telegraf_version.stdout is version(telegraf_version, '<')
 
     - name: install telegraf (MacOS)
       community.general.homebrew:
@@ -124,7 +137,9 @@
       become: true
       ansible.builtin.apt:
         pkg: telegraf
+        state: latest
         update_cache: true
+        only_upgrade: true
       notify: restart_telegraf
       when:
         - ansible_os_family == 'Debian'
@@ -143,6 +158,51 @@
 #     - need_telegraf_install
 
 # -------------------------------------------------- Add Telegraf Configs
+- name: "Install speedtest"
+  when: "'pis' in group_names"
+  block:
+    - name: "set fact: do we need speedtest installed?"
+      ansible.builtin.set_fact:
+        need_speedtest_install: false
+
+    - name: Check if speedtest is installed
+      ansible.builtin.stat:
+        path: /usr/local/bin/speedtest
+      register: speedtest_binary_file_location
+
+    - name: "set fact: do we need a speedtest install"
+      ansible.builtin.set_fact:
+        need_speedtest_install: true
+      when:
+        - not speedtest_binary_file_location.stat.exists
+
+    - name: Check current version of speedtest
+      ansible.builtin.shell: /usr/local/bin/speedtest --version | head -n1 | awk '{print $4}' | grep -oE '[0-9]+\.[0-9]+\.[0-9]+'
+      ignore_errors: true
+      register: current_speedtest_version
+      check_mode: false
+      changed_when: false
+      when:
+        - not need_speedtest_install
+
+    - name: "set fact: do we need a speedtest install"
+      ansible.builtin.set_fact:
+        need_speedtest_install: true
+      when:
+        - not need_speedtest_install
+        - current_speedtest_version.stdout is version(speedtest_cli_version, '<')
+
+    - name: "Install speedtest (pi)"
+      become: true
+      ansible.builtin.unarchive:
+        src: "{{ speedtest_download_file_uri }}"
+        dest: /usr/local/bin
+        remote_src: true
+      when:
+        - need_speedtest_install
+        - ansible_os_family == 'Debian'
+        - ansible_architecture == 'armv7l'
+
 - name: "Configure Telegraf"
   block:
     - name: "Ensure {{ telegraph_config_location }} exists"
@@ -176,6 +236,7 @@
         mode: "644"
       loop:
         - { src: "telegraf/leader.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/leader.conf" }
+        - { src: "telegraf/speedtest.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/speedtest.conf" }
         - { src: "telegraf/pingHosts.conf.j2", dest: "{{ telegraph_config_location }}/telegraf.d/pingHosts.conf" }
       when:
         - is_cluster_leader
@@ -192,6 +253,17 @@
       when:
         - inventory_hostname != 'synology'
 
+    - name: Copy speedtest script
+      become: true
+      ansible.builtin.template:
+        src: "scripts/telegraf_speedtest.sh.j2"
+        dest: "/usr/local/bin/telegraf_speedtest.sh"
+        mode: 0755
+        owner: "{{ ansible_user_uid }}"
+        group: "{{ ansible_user_gid }}"
+      when:
+        - is_cluster_leader
+
     - name: Reset file ownership
       become: true
       ansible.builtin.file: