create symlink for ansible-playbook

playbooks/roles/edx_ansible/tasks/deploy.yml

@@ -23,3 +23,11 @@
     src={{ edx_ansible_var_file }}
     dest={{ COMMON_CFG_DIR }}/{{ edx_ansible_var_file|basename }}
     state=link
+
+- name: create a symlink for ansible-playbook
+  file: >
+    src={{ edx_ansible_venv_bin }}/ansible-playbook
+    dest={{ COMMON_BIN_DIR }}/ansible-playbook
+    state=link
+
+