Support for cross-compiling in provisioning files.

Dockerfile

@@ -40,8 +40,10 @@ COPY . /go/src/github.com/bbva/qed
 # Move C deps to current working dir.
 RUN mv /tmp/qed/c-deps/* c-deps/
 
-# Build QED binary
-RUN go build -o /usr/local/bin/qed
+# Build QED, Storage binary and riot
+RUN go build -o /usr/local/bin/qed                                   &&\
+    go build -o /usr/local/bin/riot tests/riot.go                    &&\
+    go build -o /usr/local/bin/storage tests/gossip/test_service.go
 
 # Clean
 RUN rm -rf /var/lib/apt/lists/* /tmp/qed

deploy/aws/provision/main.yml

@@ -14,6 +14,7 @@
 ---
 - hosts: localhost
   connection: local
+  gather_facts: true
   vars_files:
     - vars.yml
   environment:

deploy/aws/provision/tasks/common/build.yml

@@ -17,10 +17,21 @@
       path: config_files/bin
       state: directory
 
-- name: Build QED, Inmemory Storage and Riot
+- name: Build QED, Inmemory Storage and Riot on Linux
   shell: > 
     go build -o {{ item }}
   with_items:
     - config_files/bin/qed ../../../
     - config_files/bin/storage ../../../tests/gossip/test_service.go
     - config_files/bin/riot ../../../tests/riot.go
+  when: ansible_system == 'Linux'
+
+- name: Build QED, Inmemory Storage and Riot on MacOS
+  shell: >
+    {{ item }}
+  with_items:
+    - docker build -t qed/build ../../../
+    - docker run -d --name qed qed/build:latest
+    - docker cp qed:/usr/local/bin/. config_files/bin
+    - docker rm -vf qed
+  when: ansible_system == 'Darwin'