add option to propagate binaries without access to internet

README.md

@@ -24,7 +24,8 @@ All variables which can be overridden are stored in [defaults/main.yml](defaults
 
 | Name           | Default Value | Description                        |
 | -------------- | ------------- | -----------------------------------|
-| `alertmanager_version` | 0.16.1 | Alertmanager package version. Also accepts `latest` as parameter. |
+| `alertmanager_version` | 0.18.0 | Alertmanager package version. Also accepts `latest` as parameter. |
+| `alertmanager_binaries_local_dir` | "" | Allows to use local packages instead of ones distributed on github. As parameter it takes a directory where `alertmanager` AND `amtool` binaries are stored on host on which ansible is ran. This overrides `alertmanager_version` parameter |
 | `alertmanager_web_listen_address` | 0.0.0.0:9093 | Address on which alertmanager will be listening |
 | `alertmanager_web_external_url` | http://localhost:9093/ | External address on which alertmanager is available. Useful when behind reverse proxy. Ex. example.org/alertmanager |
 | `alertmanager_config_dir` | /etc/alertmanager | Path to directory with alertmanager configuration |

defaults/main.yml

@@ -1,5 +1,6 @@
 ---
 alertmanager_version: 0.18.0
+alertmanager_binary_local_dir: ''
 
 alertmanager_config_dir: /etc/alertmanager
 alertmanager_db_dir: /var/lib/alertmanager

molecule/alternative/molecule.yml

@@ -48,7 +48,7 @@ provisioner:
     name: ansible-lint
   playbooks:
     create: ../default/create.yml
-    prepare: ../default/prepare.yml
+    prepare: prepare.yml
     converge: playbook.yml
     destroy: ../default/destroy.yml
 scenario:

molecule/alternative/playbook.yml

@@ -4,6 +4,7 @@
   roles:
     - ansible-alertmanager
   vars:
+    alertmanager_binary_local_dir: '/tmp/alertmanager-0.18.0.linux-amd64'
     alertmanager_config_dir: /opt/am/etc
     alertmanager_db_dir: /opt/am/lib
     alertmanager_web_listen_address: '127.0.0.1:9093'

molecule/alternative/prepare.yml

@@ -0,0 +1,25 @@
+---
+- name: Prepare
+  hosts: localhost
+  gather_facts: false
+  tasks:
+    - name: download alertmanager binary to local folder
+      become: false
+      get_url:
+        url: "https://github.com/prometheus/alertmanager/releases/download/v0.18.0/alertmanager-0.18.0.linux-amd64.tar.gz"
+        dest: "/tmp/alertmanager-0.18.0.linux-amd64.tar.gz"
+      register: _download_archive
+      until: _download_archive is succeeded
+      retries: 5
+      delay: 2
+      run_once: true
+      check_mode: false
+
+    - name: unpack alertmanager binaries
+      become: false
+      unarchive:
+        src: "/tmp/alertmanager-0.18.0.linux-amd64.tar.gz"
+        dest: "/tmp"
+        creates: "/tmp/alertmanager-0.18.0.linux-amd64/alertmanager"
+      run_once: true
+      check_mode: false

tasks/install.yml

@@ -25,39 +25,55 @@
     - "{{ alertmanager_config_dir }}/templates"
     - "{{ alertmanager_db_dir }}"
 
-- name: download alertmanager binary to local folder
-  become: false
-  get_url:
-    url: "https://github.com/prometheus/alertmanager/releases/download/v{{ alertmanager_version }}/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
-    dest: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
-    checksum: "sha256:{{ alertmanager_checksum }}"
-  register: _download_archive
-  until: _download_archive is succeeded
-  retries: 5
-  delay: 2
-  # run_once: true # <-- this can't be set due to multi-arch support
-  delegate_to: localhost
-  check_mode: false
+- block:
+    - name: download alertmanager binary to local folder
+      become: false
+      get_url:
+        url: "https://github.com/prometheus/alertmanager/releases/download/v{{ alertmanager_version }}/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
+        dest: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
+        checksum: "sha256:{{ alertmanager_checksum }}"
+      register: _download_archive
+      until: _download_archive is succeeded
+      retries: 5
+      delay: 2
+      # run_once: true # <-- this can't be set due to multi-arch support
+      delegate_to: localhost
+      check_mode: false
+
+    - name: unpack alertmanager binaries
+      become: false
+      unarchive:
+        src: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
+        dest: "/tmp"
+        creates: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}/alertmanager"
+      delegate_to: localhost
+      check_mode: false
 
-- name: unpack alertmanager binaries
-  become: false
-  unarchive:
-    src: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}.tar.gz"
-    dest: "/tmp"
-    creates: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}/alertmanager"
-  delegate_to: localhost
-  check_mode: false
+    - name: propagate official alertmanager and amtool binaries
+      copy:
+        src: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}/{{ item }}"
+        dest: "/usr/local/bin/{{ item }}"
+        mode: 0755
+        owner: root
+        group: root
+      with_items:
+        - alertmanager
+        - amtool
+      notify:
+        - restart alertmanager
+  when: alertmanager_binary_local_dir | length == 0
 
-- name: propagate alertmanager and amtool binaries
+- name: propagate locally distributed alertmanager and amtool binaries
   copy:
-    src: "/tmp/alertmanager-{{ alertmanager_version }}.linux-{{ go_arch }}/{{ item }}"
+    src: "{{ alertmanager_binary_local_dir }}/{{ item }}"
     dest: "/usr/local/bin/{{ item }}"
     mode: 0755
     owner: root
     group: root
   with_items:
     - alertmanager
     - amtool
+  when: alertmanager_binary_local_dir | length > 0
   notify:
     - restart alertmanager
 

tasks/preflight.yml

@@ -35,14 +35,18 @@
     - name: "Set prometheus version to {{ _latest_release.json.tag_name[1:] }}"
       set_fact:
         alertmanager_version: "{{ _latest_release.json.tag_name[1:] }}"
-  when: alertmanager_version == "latest"
+  when:
+    - alertmanager_version == "latest"
+    - alertmanager_binary_local_path | length == 0
 
 - name: "Get checksum for {{ go_arch }} architecture"
   set_fact:
     alertmanager_checksum: "{{ item.split(' ')[0] }}"
   with_items:
     - "{{ lookup('url', 'https://github.com/prometheus/alertmanager/releases/download/v' + alertmanager_version + '/sha256sums.txt', wantlist=True) | list }}"
-  when: "('linux-' + go_arch + '.tar.gz') in item"
+  when:
+    - "('linux-' + go_arch + '.tar.gz') in item"
+    - alertmanager_binary_local_dir | length == 0
 
 - name: Backward compatibility of variable [part 1]
   set_fact: