Merge pull request #1300 from edx/e0d/override-ssh-user

allows overriding ssh user

playbooks/edx-east/splunk.yml

+- name: Deploy Splunk
+  hosts: all
+  sudo: True
+  gather_facts: True
+  vars:
+    COMMON_APP_DIR: "/edx/app"
+    common_web_group: "www-data"
+    ENABLE_DATADOG: True
+    ENABLE_SPLUNKFORWARDER: True
+    ENABLE_NEWRELIC: True 
+  roles:
+    - datadog
+    - splunkforwarder
+    - newrelic

playbooks/roles/common/defaults/main.yml

@@ -105,3 +105,4 @@ common_debian_variants:
 common_redhat_variants:
   - CentOS
   - Red Hat Enterprise Linux
+  - Amazon

util/jenkins/run-ansible.sh

@@ -50,6 +50,12 @@ if [[ ! -z "$task_tags" ]]; then
     ansible_task_tags+="--tags $task_tags"
 fi
 
+if [[ -z "$ssh_user" ]]; then
+    ansible_ssh_user="ubuntu"
+else
+    ansible_ssh_user="${ssh_user}"
+fi
+
 export PYTHONUNBUFFERED=1
 env
-ansible-playbook -v -D -u ubuntu $ansible_play -i ./ec2.py $ansible_task_tags --limit $ansible_limit -e@"$WORKSPACE/configuration-secure/ansible/vars/${deployment_tag}.yml" -e@"$WORKSPACE/configuration-secure/ansible/vars/${environment_tag}-${deployment_tag}.yml" $ansible_extra_vars 
+ansible-playbook -v -D -u $ansible_ssh_user $ansible_play -i ./ec2.py $ansible_task_tags --limit $ansible_limit -e@"$WORKSPACE/configuration-secure/ansible/vars/${deployment_tag}.yml" -e@"$WORKSPACE/configuration-secure/ansible/vars/${environment_tag}-${deployment_tag}.yml" $ansible_extra_vars