force activate virtualenv, and properly set cpu count

.travis.yml

@@ -9,10 +9,11 @@ env:
   - ROLE_OPTIONS="nodejs_install_method=package"
   - ROLE_OPTIONS="nodejs_install_method=binary"
 install:
-  - pip install -U ansible urllib3
+  - pip install -U ansible
   # Install dependencies
   - ansible-galaxy install -r tests/requirements.yml
 script:
+  - source ~/virtualenv/python2.7/bin/activate
   - echo localhost > inventory
 
   # Syntax check

tasks/source.yml

@@ -18,19 +18,25 @@
     src: "/tmp/node-v{{nodejs_version}}.tar.gz"
     dest: "/tmp"
 
-- name: node.js | source |Get the number of processors (Linux)
+- name: node.js | source | Get the number of processors (Linux)
   command: nproc
-  register: cpu_count
+  register: cpu_count_linux
   when: ansible_system == 'Linux'
 
-- name: node.js | source |Get the number of processors (Darwin)
+- name: node.js | source | Get the number of processors (Darwin)
   command: sysctl -n hw.ncpu
-  register: cpu_count
+  register: cpu_count_darwin
   when: ansible_os_family == 'Darwin'
 
-- name: "TEST PLEASE REMOVE"
-  debug:
-    var: cpu_count
+- name: node.js | source | Set number of processors (Linux)
+  set_fact:
+    cpu_count: "{{cpu_count_linux}}"
+  when: ansible_system == 'Linux'
+
+- name: node.js | source | Set number of processors (Darwin)
+  set_fact:
+    cpu_count: "{{cpu_count_darwin}}"
+  when: ansible_system == 'Darwin'
 
 - name: node.js | source | Build node.js from source
   shell: >