Preserve AWS options in sysconfig files.

These could exist from 3.1 releases or manual edits, and were getting
wiped out in all variants of the master sysconfig files as we template
these.

This change uses the established pattern of grepping them out if they're
there, then reapplying them if the user has not configured the
cloudprovider framework already.

roles/openshift_master/tasks/systemd_units.yml

@@ -45,6 +45,13 @@
   failed_when: false
   changed_when: false
 
+- name: Preserve Master API AWS options
+  command: grep AWS_ /etc/sysconfig/{{ openshift.common.service_type }}-master-api
+  register: master_api_aws
+  when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+  failed_when: false
+  changed_when: false
+
 - name: Create the master api service env file
   template:
     src: "{{ ha_svc_template_path }}/atomic-openshift-master-api.j2"
@@ -62,13 +69,29 @@
     line: "{{ item }}"
   with_items: "{{ master_api_proxy.stdout_lines | default([]) }}"
 
+- name: Restore Master API AWS Options
+  when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+      and master_api_aws.rc == 0 and
+      not (openshift_cloudprovider_kind is defined and openshift_cloudprovider_kind == 'aws' and openshift_cloudprovider_aws_access_key is defined and openshift_cloudprovider_aws_secret_key is defined)
+  lineinfile:
+    dest: /etc/sysconfig/{{ openshift.common.service_type }}-master-api
+    line: "{{ item }}"
+  with_items: "{{ master_api_aws.stdout_lines | default([]) }}"
+
 - name: Preserve Master Controllers Proxy Config options
-  command: grep PROXY /etc/sysconfig/{{ openshift.common.service_type }}-master-api
+  command: grep PROXY /etc/sysconfig/{{ openshift.common.service_type }}-master-controllers
   register: master_controllers_proxy
   when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
   failed_when: false
   changed_when: false
 
+- name: Preserve Master Controllers AWS options
+  command: grep AWS_ /etc/sysconfig/{{ openshift.common.service_type }}-master-controllers
+  register: master_controllers_aws
+  when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+  failed_when: false
+  changed_when: false
+
 - name: Create the master controllers service env file
   template:
     src: "{{ ha_svc_template_path }}/atomic-openshift-master-controllers.j2"
@@ -86,6 +109,15 @@
   when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
         and master_controllers_proxy.rc == 0 and 'http_proxy' not in openshift.common and 'https_proxy' not in openshift.common
 
+- name: Restore Master Controllers AWS Options
+  lineinfile:
+    dest: /etc/sysconfig/{{ openshift.common.service_type }}-master-controllers
+    line: "{{ item }}"
+  with_items: "{{ master_controllers_aws.stdout_lines | default([]) }}"
+  when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+      and master_controllers_aws.rc == 0 and
+      not (openshift_cloudprovider_kind is defined and openshift_cloudprovider_kind == 'aws' and openshift_cloudprovider_aws_access_key is defined and openshift_cloudprovider_aws_secret_key is defined)
+
 - name: Install Master docker service file
   template:
     dest: "/etc/systemd/system/{{ openshift.common.service_type }}-master.service"
@@ -99,6 +131,12 @@
   failed_when: false
   changed_when: false
 
+- name: Preserve Master AWS options
+  command: grep AWS_ /etc/sysconfig/{{ openshift.common.service_type }}-master
+  register: master_aws
+  failed_when: false
+  changed_when: false
+
 - name: Create the master service env file
   template:
     src: "atomic-openshift-master.j2"
@@ -113,3 +151,10 @@
     line: "{{ item }}"
   with_items: "{{ master_proxy.stdout_lines | default([]) }}"
   when: master_proxy.rc == 0 and 'http_proxy' not in openshift.common and 'https_proxy' not in openshift.common
+
+- name: Restore Master AWS Options
+  lineinfile:
+    dest: /etc/sysconfig/{{ openshift.common.service_type }}-master
+    line: "{{ item }}"
+  with_items: "{{ master_aws.stdout_lines | default([]) }}"
+  when: master_aws.rc == 0 and not (openshift_cloudprovider_kind is defined and openshift_cloudprovider_kind == 'aws' and openshift_cloudprovider_aws_access_key is defined and openshift_cloudprovider_aws_secret_key is defined)