factor out test dependencies to reusable role

Author: MartinNowak

ansible/ci.yml

@@ -56,75 +56,9 @@
         ip6tables-save > /etc/iptables/rules.v6
 
 - hosts: buildkite_agents
-  tasks:
-    - name: test dependencies (1/2)
-      apt: { name: "{{ item }}", install_recommends: no, update_cache: yes, cache_valid_time: 3600 }
-      with_items:
-        - build-essential
-        - cmake
-        - curl
-        - gdb
-        - git
-        - jq
-        - libblas-dev
-        - libbz2-dev
-        - libcairo-dev
-        - libclang-4.0-dev # dstep
-        - libcurl4-gnutls-dev
-        - libevent-dev
-        - libgcrypt20-dev
-        - libgpg-error-dev
-        - libgtk-3-0
-        - liblapack-dev
-        - liblzo2-dev
-        - libopenblas-dev
-        - libreadline-dev
-        - libssl-dev
-        - libxml2-dev
-        - libxslt1-dev
-        - libzmq3-dev
-        - llvm-3.9-dev # ldc
-        - mongodb-server
-        - moreutils # sponge et.al.
-        - ninja-build # ldc
-        - pkg-config
-        - python-dev
-        - python-yaml
-        - python3-nose
-        - redis-server
-        - rsync
-        - unzip
-      tags: deps
-    - name: test dependencies (2/2)
-      apt: { deb: "{{ item }}", install_recommends: no }
-      with_items:
-        - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=libebtree6_6.0.s7-rc5-xenial_amd64.deb
-        - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=libebtree6-dev_6.0.s7-rc5-xenial_amd64.deb
-        - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=d1to2fix_0.10.0-alpha1-xenial_amd64.deb
+  roles:
+    - role: test_deps
       tags: deps
-    - name: disable mongodb journaling
-      lineinfile: { dest: /etc/mongodb.conf, regexp: "^{{ item.key }} *=", line: "{{ item.key }} = {{ item.value }}" }
-      with_dict:
-        journal: 'false'
-        nojournal: 'true'
-      notify: restart mongodb
-    - name: use ld.gold
-      alternatives: { name: ld, link: /usr/bin/ld, path: /usr/bin/ld.gold }
-    - name: add load_travis_script command
-      copy:
-        dest: /usr/local/bin/get_travis_test_script
-        mode: 0555
-        content: |
-          #!/usr/bin/env python
-          import sys, yaml
-
-          script = yaml.load(open('.travis.yml', 'r')).get('script', '')
-          if isinstance(script, list):
-            script = '\n'.join(script)
-          print(script)
-  handlers:
-    - name: restart mongodb
-      service: { name: mongodb, state: restarted }
 
 - hosts: buildkite_agents
   vars_files:

ansible/roles/test_deps/handlers/main.yml

@@ -0,0 +1,3 @@
+---
+- name: restart mongodb
+  service: { name: mongodb, state: restarted }

ansible/roles/test_deps/tasks/main.yml

@@ -0,0 +1,64 @@
+---
+- name: test dependencies (1/2)
+  apt: { name: "{{ item }}", install_recommends: no, update_cache: yes, cache_valid_time: 3600 }
+  with_items:
+    - build-essential
+    - cmake
+    - curl
+    - gdb
+    - git
+    - jq
+    - libblas-dev
+    - libbz2-dev
+    - libcairo-dev
+    - libclang-4.0-dev # dstep
+    - libcurl4-gnutls-dev
+    - libevent-dev
+    - libgcrypt20-dev
+    - libgpg-error-dev
+    - libgtk-3-0
+    - liblapack-dev
+    - liblzo2-dev
+    - libopenblas-dev
+    - libreadline-dev
+    - libssl-dev
+    - libxml2-dev
+    - libxslt1-dev
+    - libzmq3-dev
+    - llvm-3.9-dev # ldc
+    - mongodb-server
+    - moreutils # sponge et.al.
+    - ninja-build # ldc
+    - pkg-config
+    - python-dev
+    - python-yaml
+    - python3-nose
+    - redis-server
+    - rsync
+    - unzip
+- name: test dependencies (2/2)
+  apt: { deb: "{{ item }}", install_recommends: no }
+  with_items:
+    - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=libebtree6_6.0.s7-rc5-xenial_amd64.deb
+    - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=libebtree6-dev_6.0.s7-rc5-xenial_amd64.deb
+    - https://bintray.com/sociomantic-tsunami/dlang/download_file?file_path=d1to2fix_0.10.0-alpha1-xenial_amd64.deb
+- name: disable mongodb journaling
+  lineinfile: { dest: /etc/mongodb.conf, regexp: "^{{ item.key }} *=", line: "{{ item.key }} = {{ item.value }}" }
+  with_dict:
+    journal: 'false'
+    nojournal: 'true'
+  notify: restart mongodb
+- name: use ld.gold
+  alternatives: { name: ld, link: /usr/bin/ld, path: /usr/bin/ld.gold }
+- name: add load_travis_script command
+  copy:
+    dest: /usr/local/bin/get_travis_test_script
+    mode: 0555
+    content: |
+      #!/usr/bin/env python
+      import sys, yaml
+
+      script = yaml.load(open('.travis.yml', 'r')).get('script', '')
+      if isinstance(script, list):
+        script = '\n'.join(script)
+      print(script)