Merge pull request #3100 from edx/bbeggs/host-inventory

GOCD Integration - an inventory file is now created when an instance is launched

playbooks/continuous_delivery/ansible.cfg

@@ -8,4 +8,9 @@ jinja2_extensions=jinja2.ext.do
 host_key_checking=False
 roles_path=../../../ansible-roles/roles:../../../ansible-private/roles:../../../ansible-roles/
 library=../library/
+
+# ControlPersist keeps the socket ssh creates open to the target. Increasing this timeout decreases
+# some of the ssh overhead with all the ssh connections ansible makes by allowing it to just reuse the
+# socket for each ssh session. This should improve performance since we are now running ansible remotely.
+ssh_args = -o ControlMaster=auto -o ControlPersist=30m -o StrictHostKeyChecking=no
 ansible_managed=This file is created and updated by ansible, edit at your peril

playbooks/continuous_delivery/launch_instance.yml

@@ -90,4 +90,10 @@
       dest: "{{ artifact_path }}/key.pem"
       mode: 0600
 
+  - name: Generate ansible inventory file
+    template:
+      src: templates/local/inventory.j2
+      dest: "{{ artifact_path }}/ansible_inventory"
+      mode: 0600
+
 

playbooks/continuous_delivery/templates/local/inventory.j2

+{% for instance in ec2_instance_register.instances %}
+{{ instance.private_ip }}
+{% endfor %}
\ No newline at end of file