fix

ansible1/roles/packages/tasks/main.yml

@@ -5,7 +5,13 @@
     cache_valid_time: 86400
 
 - name: Install system dependencies
-  run: sudo apt-get install -y libvips42 libvips-dev imagemagick
+  apt:
+    name:
+      - libvips42
+      - libvips-dev
+      - imagemagick
+    state: present
+    update_cache: yes
 
 - name: Define ruby_build_packages
   set_fact:

ansible1/roles/packages/tasks/rvm.yml

@@ -23,17 +23,17 @@
 
 - name: Import GPG keys from keyservers
   shell: 'gpg --batch --keyserver {{ item }} --recv-keys {{ rvm1_gpg_keys }}'
+  register: gpg_import
   changed_when: False
   check_mode: False
   with_items: '{{ rvm1_gpg_key_servers }}'
-  register: gpg_import
   when: not ansible_check_mode and rvm1_gpg_keys != '' and (gpg_import is not defined or gpg_import.rc != 0)
   ignore_errors: True
 
 - name: Was GPG import from keyservers succesfull?
   set_fact: gpg_imported_from={{ item.item }}
-  when: "'rc' in item and item.rc == 0"
-  with_items: "{{ gpg_import.results }}"
+  with_items: "{{ gpg_import.results | default([]) }}"
+  when: item.rc is defined and item.rc == 0
 
 - name: Import GPG keys from rvm.io, if keyservers failed
   shell: 'curl -sSL https://rvm.io/{{ item }} | gpg --batch --import -'

ansible1/roles/packages/vars/main.yml

@@ -115,6 +115,7 @@ rvm1_rvm: "{{ rvm1_install_path }}/bin/rvm"
 rvm1_temp_download_path: "/tmp"
 rvm1_rvm_latest_installer: "https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer"
 rvm1_gpg_keys: "409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB"
+rvm1_gpg_key_server: "hkp://keys.openpgp.org"
 rvm1_gpg_key_servers:
   - "{{ rvm1_gpg_key_server }}"
   - hkp://pgp.mit.edu