added documentation around environment variables

README.md

@@ -27,6 +27,7 @@ An [Ansible AWX](https://github.com/ansible/awx) operator for Kubernetes built w
          * [LDAP Certificate Authority](#ldap-certificate-authority)
          * [Persisting Projects Directory](#persisting-projects-directory)
          * [Custom Volume and Volume Mount Options](#custom-volume-and-volume-mount-options)
+         * [Exporting Environment Variables to Containers](#exporting-environment-variables-to-containers)
    * [Development](#development)
       * [Testing](#testing)
          * [Testing in Docker](#testing-in-docker)
@@ -477,6 +478,28 @@ Example spec file for volumes and volume mounts
 
 > :warning: **Volume and VolumeMount names cannot contain underscores(_)**
 
+#### Exporting Environment Variables to Containers
+
+If you need to export custom environment variables to your containers.
+
+| Name                          | Description                                              | Default |
+| ----------------------------- | -------------------------------------------------------- | ------- |
+| tower_task_extra_env          | Environment variables to be added to Task container      | ''      |
+| tower_web_extra_env           | Environment variables to be added to Web container       | ''      |
+
+Example configuration of environment variables
+
+```yaml
+  spec:
+    tower_task_extra_env: |
+      - name: MYCUSTOMVAR
+        value: foo
+    tower_web_extra_env: |
+      - name: MYCUSTOMVAR
+        value: foo
+```
+
+
 ## Development
 
 ### Testing

deploy/olm-catalog/awx-operator/manifests/awx-operator.clusterserviceversion.yaml

@@ -295,6 +295,7 @@ spec:
         - urn:alm:descriptor:com.tectonic.ui:advanced
         - urn:alm:descriptor:com.tectonic.ui:hidden
       - displayName: Tower Task Extra Env
+        description: Environment variables to be added to Task container
         path: tower_task_extra_env
         x-descriptors:
         - urn:alm:descriptor:com.tectonic.ui:advanced
@@ -322,6 +323,7 @@ spec:
         - urn:alm:descriptor:com.tectonic.ui:advanced
         - urn:alm:descriptor:com.tectonic.ui:hidden
       - displayName: Tower Web Extra Env
+        description: Environment variables to be added to Web container
         path: tower_web_extra_env
         x-descriptors:
         - urn:alm:descriptor:com.tectonic.ui:advanced

deploy/olm-catalog/awx-operator/manifests/awx.ansible.com_awxs_crd.yaml

@@ -225,6 +225,7 @@ spec:
                   type: string
                 type: array
               tower_task_extra_env:
+                description: Environment variables to be added to Task container
                 type: string
               tower_ee_extra_volume_mounts:
                 description: Specify volume mounts to be added to Execution container
@@ -270,6 +271,7 @@ spec:
                   type: string
                 type: array
               tower_web_extra_env:
+                description: Environment variables to be added to Web container
                 type: string
               tower_web_extra_volume_mounts:
                 description: Specify volume mounts to be added to web container