Adding ability to start and plumb splunk instance (#12183)

tools/docker-compose/ansible/roles/sources/defaults/main.yml

@@ -27,3 +27,5 @@ ldap_diff_dir: '{{ sources_dest }}/ldap_diffs'
 ldap_public_key_file: '{{ ldap_cert_dir }}/{{ ldap_public_key_file_name }}'
 ldap_private_key_file: '{{ ldap_cert_dir }}/{{ ldap_private_key_file_name }}'
 ldap_cert_subject: "/C=US/ST=NC/L=Durham/O=awx/CN="
+
+enable_splunk: false

tools/docker-compose/ansible/roles/sources/templates/docker-compose.yml.j2

@@ -122,6 +122,19 @@ services:
       - 'openldap_data:/bitnami/openldap'
       - '../../docker-compose/_sources/ldap_certs:/opt/bitnami/openldap/certs'
       - '../../docker-compose/_sources/ldap_diffs:/opt/bitnami/openldap/ldiffs'
+{% endif %}
+{% if enable_splunk|bool %}
+  splunk:
+    image: splunk/splunk:latest
+    container_name: tools_splunk_1
+    hostname: splunk
+    ports:
+      - "8000:8000"
+      - "8089:8089"
+      - "9199:9199"
+    environment:
+      SPLUNK_START_ARGS: --accept-license
+      SPLUNK_PASSWORD: splunk_admin
 {% endif %}
   # A useful container that simply passes through log messages to the console
   # helpful for testing awx/tower logging