Fixes LaunchKit#9, use "become" instead of "sudo" for ansible

ansible/roles/lk-django/tasks/setup_db.yml

@@ -1,17 +1,17 @@
 ---
 - name: create cluster db
-  sudo: yes
-  sudo_user: postgres
+  become: true
+  become_user: postgres
   postgresql_db: name=lk
 - name: add hstore db extension
-  sudo: yes
-  sudo_user: postgres
+  become: true
+  become_user: postgres
   postgresql_ext: name=hstore db=lk
 - name: add {{ db_user }} user to cluster db as superuser
-  sudo: yes
-  sudo_user: postgres
+  become: true
+  become_user: postgres
   postgresql_user: name={{ db_user }} role_attr_flags=SUPERUSER db=lk
 - name: add {{ db_user }} user to postgres as superuser
-  sudo: yes
-  sudo_user: postgres
+  become: true
+  become_user: postgres
   postgresql_user: name={{ db_user }} role_attr_flags=SUPERUSER

ansible/roles/postgres/tasks/main.yml

@@ -41,6 +41,6 @@
 
 # Way too permissive for a deploy, but handy for vagrant
 - name: add local user as postgres superuser
-  sudo: yes
-  sudo_user: postgres
-  postgresql_user: name={{ username_on_the_host }} role_attr_flags=SUPERUSER
+  become: true
+  become_user: postgres
+  postgresql_user: name=vagrant role_attr_flags=SUPERUSER

ansible/vagrant.yml

@@ -1,20 +1,12 @@
 ---
 - hosts: all
-  sudo: true
+  become: true
   vars:
     document_root: /vagrant
     db_user: vagrant
   pre_tasks:
     - name: update apt cache
       apt: update_cache=yes cache_valid_time=3600
-    - name: get the local user name
-      sudo: false
-      local_action:
-        shell /usr/bin/whoami
-      register: whoami_result
-    - name: store the local user name
-      set_fact:
-        username_on_the_host: "{{ whoami_result.stdout }}"
   roles:
     - common
     - common-python