- Detect failure when installing Python.

- Use variables for OS version and architecture so there's no need to change or
  re-run Ansible after an upgrade.

tasks/main.yml

@@ -4,6 +4,7 @@
 - name: Install Python
   raw: "PKG_PATH={{ openbsd_pkg_mirror }}/OpenBSD/$(uname -r)/packages/$(arch -s)/ /usr/sbin/pkg_add -I py-pip"
   register: openbsd_pkg_add_python
+  failed_when: "'error' in openbsd_pkg_add_python.stdout|lower"
   changed_when: "'py-pip' in openbsd_pkg_add_python.stdout"
 
 - name: Symlink python
@@ -18,7 +19,7 @@
 - name: Configure pkg
   lineinfile:
     dest: /etc/pkg.conf
-    line: 'installpath = {{ openbsd_pkg_mirror }}/OpenBSD/{{ ansible_distribution_release }}/packages/{{ ansible_architecture }}/'
+    line: 'installpath = {{ openbsd_pkg_mirror }}/OpenBSD/%v/packages/%a/'
     regexp: '^installpath ='
     state: present
     create: yes