Merge pull request #93 from dj-wasabi/download-from-influxdb

Updated to Telegraf 1.10.0;Different installation methods

README.md

@@ -49,13 +49,30 @@ There was an issue:
 
 ## Role Variables
 
-### Overall variables
+### Ansible role specific variables
 
-The following parameters can be set for the Telegraf agent:
+Specifying the version to be installed:
 
-* `telegraf_agent_version`: The version of Telegraf to install. Default: `1.9.0`
-* `telegraf_agent_package`: The name of the Telegraf package. Default: `telegraf`
+* `telegraf_agent_version`: The version of Telegraf to install. Default: `1.10.0`
+
+How `Telegraf` needs to be installed. There are 3 methods in getting `Telegraf` installed on the target host:
+
+* Via the package manager, like `yum`, `apt` or `zypper` ("repo");
+* Via a download from the `https://dl.influxdata.com/` site ("online");
+* Already provided and is already available on the target host, but not yet installed/configured ("offline");
+
+This can be configured by setting `telegraf_agent_package_method` to one of the appropriate values ( `repo`, `online` or `offline`).
+
+#### Telegraf Package
+
+These properties set in how and what package will be installed.
+
+* `telegraf_agent_package`: The name of the Telegraf package to install. When `telegraf_agent_package_method` is set to `online` or `offline`, it needs to have the full path of the file. Example: `telegraf_agent_package: /tmp/telegraf.rpm`. Default: `telegraf_agent_package: telegraf`.
+* `telegraf_agent_package_method`: The installation method to be used. Can choose between: `repo`, `offline` or `online`.
 * `telegraf_agent_package_state`: If the package should be `present` or `latest`. When set to `latest`, `telegraf_agent_version` will be ignored. Default: `present`
+
+### Telegraf agent process configuration.
+
 * `telegraf_agent_interval`: The interval configured for sending data to the server. Default: `10`
 * `telegraf_agent_debug`: Run Telegraf in debug mode. Default: `False`
 * `telegraf_agent_round_interval`: Rounds collection interval to 'interval' Default: True
@@ -70,7 +87,7 @@ The following parameters can be set for the Telegraf agent:
 * `telegraf_agent_logfile`: The agent logfile name. Default: '' (means to log to stdout) (since v1.1)
 * `telegraf_agent_omit_hostname`: Do no set the "host" tag in the agent. Default: `False` (since v1.1)
 
-Docker specific role variables:
+### Docker specific role variables:
 
 * `telegraf_agent_docker`: Install Telegraf as a docker container. Default: `False`
 * `telegraf_agent_docker_name`: Name of the docker container. Default: `telegraf`
@@ -81,6 +98,9 @@ Docker specific role variables:
 
 Full agent settings reference: [https://github.com/influxdata/telegraf/blob/master/docs/CONFIGURATION.md#agent-configuration](https://github.com/influxdata/telegraf/blob/master/docs/CONFIGURATION.md#agent-configuration).
 
+## Extra information
+### Setting tags
+
 You can set tags for the host running telegraf:
 
 	telegraf_global_tags:
@@ -129,7 +149,7 @@ More information: [https://github.com/influxdata/telegraf/blob/master/docs/FAQ.m
 	# Force host networking mode, so Docker Engine Host traffic metrics can be gathered.
 	telegraf_agent_docker_network_mode: host
 	# Force a specific image tag.
-	telegraf_agent_version: 1.9.5-alpine
+	telegraf_agent_version: 1.10.0-alpine
 
 	telegraf_plugins_default:
 	  - plugin: cpu

defaults/main.yml

@@ -1,9 +1,11 @@
 ---
 # defaults file for ansible-telegraf
 
-telegraf_agent_version: 1.9.5
+telegraf_agent_version: 1.10.0
 telegraf_agent_version_patch: 1
 telegraf_agent_package: telegraf
+telegraf_agent_package_path: /tmp
+telegraf_agent_package_method: repo
 telegraf_agent_package_state: present
 telegraf_agent_hostname: "{{ ansible_fqdn }}"
 telegraf_agent_interval: 10

molecule/default/molecule.yml

@@ -57,6 +57,10 @@ provisioner:
   lint:
     name: ansible-lint
   inventory:
+    host_vars:
+      telegraf-debian:
+        telegraf_agent_package: /tmp/telegraf_amd64.deb
+        telegraf_agent_package_method: online
     group_vars:
       all:
         telegraf_agent_package_state: latest

molecule/default/yaml-lint.yml

@@ -4,6 +4,6 @@ extends: default
 
 rules:
   line-length:
-    max: 140
+    max: 180
     level: warning
   truthy: disable

tasks/Debian.yml

@@ -6,6 +6,16 @@
   when:
     - telegraf_agent_package_state != "latest"
 
+- name: "Debian | Set telegraf_agent_package_arch"
+  set_fact:
+    telegraf_agent_package_arch: "{{ ansible_architecture }}"
+
+- name: "Debian | Set telegraf_agent_package_arch specific for x86_64"
+  set_fact:
+    telegraf_agent_package_arch: "amd64"
+  when:
+    - ansible_architecture == "x86_64"
+
 - name: "Debian | Ensure the system can use the HTTPS transport for APT"
   stat:
     path: /usr/lib/apt/methods/https
@@ -29,6 +39,8 @@
   register: are_telegraf_dependencies_keys_installed
   until: are_telegraf_dependencies_keys_installed is succeeded
   become: yes
+  when:
+    - telegraf_agent_package_method == "repo"
 
 - name: "Debian | Add Telegraf repository (using LSB)"
   apt_repository:
@@ -37,6 +49,7 @@
     state: present
   become: yes
   when:
+    - telegraf_agent_package_method == "repo"
     - ansible_lsb is defined
     - ansible_lsb.codename is defined
 
@@ -47,15 +60,34 @@
     state: present
   become: yes
   when:
+    - telegraf_agent_package_method == "repo"
     - ansible_lsb is not defined or ansible_lsb.codename is not defined
 
+- name: "Debian | Download Telegraf package (online)"
+  get_url:
+    url: https://dl.influxdata.com/telegraf/releases/telegraf_{{ telegraf_agent_version }}-{{ telegraf_agent_version_patch }}_{{ telegraf_agent_package_arch }}.deb
+    dest: "{{ telegraf_agent_package }}"
+  when:
+    - telegraf_agent_package_method == "online"
+
 - name: "Debian | Install Telegraf package"
   apt:
     name: "{{ telegraf_agent_package }}"
     state: "{{ telegraf_agent_package_state }}"
-    cache_valid_time: 900
-    force: True
   register: is_telegraf_package_installed
   until: is_telegraf_package_installed is succeeded
   notify: "Restart Telegraf"
   become: yes
+  when:
+    - telegraf_agent_package_method == "repo"
+
+- name: "Debian | Install Telegraf package"
+  apt:
+    deb: "{{ telegraf_agent_package }}"
+    state: "present"
+  register: is_telegraf_package_installed
+  until: is_telegraf_package_installed is succeeded
+  notify: "Restart Telegraf"
+  become: yes
+  when:
+    - telegraf_agent_package_method != "repo"

tasks/RedHat.yml

@@ -19,6 +19,15 @@
     baseurl: "{{ telegraf_yum_baseurl[ansible_distribution|lower] | default(telegraf_yum_baseurl['default']) }}"
     gpgcheck: yes
     gpgkey: https://repos.influxdata.com/influxdb.key
+  when:
+    - telegraf_agent_package_method == "repo"
+
+- name: "RedHat | Download Telegraf package (online)"
+  get_url:
+    url: https://dl.influxdata.com/telegraf/releases/telegraf-{{ telegraf_agent_version }}-{{ telegraf_agent_version_patch }}.{{ ansible_architecture }}.rpm
+    dest: "{{ telegraf_agent_package }}"
+  when:
+    - telegraf_agent_package_method == "online"
 
 - name: "RedHat | Install Telegraf package"
   package: