setting proxies at roles level using lookup plugin

Change-Id: I4f858af5cf65399e7236c0b7bd6c9d2cb5f1d9da

README.rst

@@ -85,6 +85,11 @@ Edit ``./playbooks/inventory/group_vars/all`` to match your environment.
 - Change network_interface to match the interface that will need to service DHCP requests.
 - Change the ironic_db_password which is set by Ansible in MySQL and in Ironic's configuration file.
 
+Proxy::
+
+if running behind the proxy. export environment variables http_proxy and https_proxy
+So that ansible lookup plugin checks for proxy set and uses as environment variables.
+
 Then run::
 
   bash ./scripts/env-setup.sh

playbooks/install.yaml

@@ -7,3 +7,6 @@
   roles:
     - { role: bifrost-prep-for-install, when: skip_install is not defined }
     - ironic-install
+  environment:
+    http_proxy: "{{ lookup('env','http_proxy') }}"
+    https_proxy: "{{ lookup('env','https_proxy') }}"

playbooks/test-bifrost-dynamic.yaml

@@ -30,6 +30,9 @@
   roles:
     - { role: bifrost-prep-for-install, when: skip_install is not defined }
     - { role: bifrost-openstack-ci-prep, when: ci_testing_zuul is defined }
+  environment:
+    http_proxy: "{{ lookup('env','http_proxy') }}"
+    https_proxy: "{{ lookup('env','https_proxy') }}"
 - hosts: localhost
   connection: local
   name: "Executes install, enrollment, and testing in one playbook"
@@ -47,6 +50,9 @@
     - role: ironic-install
       cleaning: false
       testing: true
+  environment:
+    http_proxy: "{{ lookup('env','http_proxy') }}"
+    https_proxy: "{{ lookup('env','https_proxy') }}"
 - hosts: baremetal
   name: "Enroll node with Ironic"
   sudo: no

playbooks/test-bifrost.yaml

@@ -37,6 +37,9 @@
     - role: ironic-enroll
       testing: true
     - role: bifrost-validate-host-for-deploy
+  environment:
+    http_proxy: "{{ lookup('env','http_proxy') }}"
+    https_proxy: "{{ lookup('env','https_proxy') }}"
 - hosts: localhost
   connection: local
   name: "Executes install, enrollment, and testing in one playbook"