Add DMG apps installer

Author: bar

README.md

@@ -42,7 +42,7 @@ If you need to supply an SSH password (if you don't use SSH keys), make sure to
 
 ### Running a specific set of tagged tasks
 
-You can filter which part of the provisioning process to run by specifying a set of tags using `ansible-playbook`'s `--tags` flag. The tags available are `dotfiles`, `homebrew`, `mas`, `extra-packages` and `osx`.
+You can filter which part of the provisioning process to run by specifying a set of tags using `ansible-playbook`'s `--tags` flag. The tags available are `dotfiles`, `homebrew`, `mas`, `dmg`, `extra-packages` and `osx`.
 
     ansible-playbook main.yml -K --tags "dotfiles,homebrew"
 

default.config.yml

@@ -82,6 +82,11 @@ mas_installed_apps: []
 mas_email: ""
 mas_password: ""
 
+dmg_installed_apps: []
+# - name: iTerm
+#   app_name: iTerm.app # Optional, if the .app file inside the DMG is different from the 'name'.
+#   url: https://iterm2.com/downloads/stable/iTerm2-3_5_2.dmg
+
 osx_script: "~/.osx --no-restart"
 
 # Install packages from other package managers.

main.yml

@@ -27,6 +27,10 @@
       tags: ['dock']
 
   tasks:
+    - import_tasks: tasks/dmg.yml
+      when: dmg_installed_apps
+      tags: ['dmg']
+      
     - import_tasks: tasks/sudoers.yml
       when: configure_sudoers
       tags: ['sudoers']

tasks/dmg.yml

@@ -0,0 +1,63 @@
+---
+- name: "Install {{ item.name }} from DMG."
+  loop: "{{ dmg_installed_apps }}"
+  loop_control:
+    label: "{{ item.name }}"
+  block:
+    - name: "Check if {{ item.name }} is already installed"
+      ansible.builtin.stat:
+        path: "/Applications/{{ item.app_name | default(item.name + '.app') }}"
+      register: app
+
+    - when: not app.stat.exists
+      block:
+        - name: "Download DMG for {{ item.name }}."
+          ansible.builtin.get_url:
+            url: "{{ item.url }}"
+            dest: "/tmp/{{ item.name | urlencode }}.dmg"
+            mode: '0644'
+
+        - name: "Mount DMG for {{ item.name }}."
+          ansible.builtin.command: hdiutil attach -nobrowse "/tmp/{{ item.name | urlencode }}.dmg"
+          register: mount_result
+          changed_when: true
+
+        - name: "Find the mount point of {{ item.name }} DMG."
+          ansible.builtin.set_fact:
+            mount_point: "{{ mount_result.stdout_lines | select('match', '^/dev/disk.*') | map('split', '\t') | map('last') | first }}"
+
+        - name: "Find the '.app' file in the mounted {{ item.name }} DMG volume."
+          ansible.builtin.find:
+            paths: "{{ mount_point }}"
+            patterns: "*.app"
+            file_type: directory
+            recurse: no
+          register: find_app_result
+
+        - name: "Fail if no '.app' file is found."
+          ansible.builtin.fail:
+            msg: "Could not find an '.app' file in the DMG for {{ item.name }} at {{ mount_point }}."
+          when: find_app_result.files | length == 0
+
+        - name: "Set the source application path for {{ item.name }}."
+          ansible.builtin.set_fact:
+            source_app_path: "{{ find_app_result.files[0].path }}"
+
+        - name: "Copy {{ item.name }}.app to /Applications directory."
+          ansible.builtin.command: "cp -R \"{{ source_app_path }}\" /Applications/"
+          args:
+            creates: "/Applications/{{ source_app_path | basename }}"
+          changed_when: true
+
+  always:
+    - name: "Unmount volume for {{ item.name }}."
+      ansible.builtin.command: "hdiutil detach \"{{ mount_point | default('') }}\""
+      when: mount_point is defined and mount_point
+      changed_when: false
+      ignore_errors: true
+
+    - name: "Remove downloaded DMG for {{ item.name }}."
+      ansible.builtin.file:
+        path: "/tmp/{{ item.name | urlencode }}.dmg"
+        state: absent
+      when: not app.stat.exists