GlusterFS: Use proper secrets

Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>

roles/openshift_storage_glusterfs/README.md

@@ -81,8 +81,8 @@ GlusterFS cluster into a new or existing OpenShift cluster:
 | openshift_storage_glusterfs_heketi_is_native     | True                    | heketi should be containerized
 | openshift_storage_glusterfs_heketi_image         | 'heketi/heketi'         | Container image to use for heketi pods, enterprise default is 'rhgs3/rhgs-volmanager-rhel7'
 | openshift_storage_glusterfs_heketi_version       | 'latest'                | Container image version to use for heketi pods
-| openshift_storage_glusterfs_heketi_admin_key     | ''                      | String to use as secret key for performing heketi commands as admin
-| openshift_storage_glusterfs_heketi_user_key      | ''                      | String to use as secret key for performing heketi commands as user that can only view or modify volumes
+| openshift_storage_glusterfs_heketi_admin_key     | auto-generated          | String to use as secret key for performing heketi commands as admin
+| openshift_storage_glusterfs_heketi_user_key      | auto-generated          | String to use as secret key for performing heketi commands as user that can only view or modify volumes
 | openshift_storage_glusterfs_heketi_topology_load | True                    | Load the GlusterFS topology information into heketi
 | openshift_storage_glusterfs_heketi_url           | Undefined               | URL for the heketi REST API, dynamically determined in native mode
 | openshift_storage_glusterfs_heketi_wipe          | False                   | Destroy any existing heketi resources, defaults to the value of `openshift_storage_glusterfs_wipe`
@@ -94,10 +94,12 @@ registry. These variables start with the prefix
 values in their corresponding non-registry variables. The following variables
 are an exception:
 
-| Name                                              | Default value         | Description                             |
-|---------------------------------------------------|-----------------------|-----------------------------------------|
-| openshift_storage_glusterfs_registry_namespace    | registry namespace    | Default is to use the hosted registry's namespace, otherwise 'default'
-| openshift_storage_glusterfs_registry_name         | 'registry'            | This allows for the logical separation of the registry GlusterFS cluster from other GlusterFS clusters
+| Name                                                  | Default value         | Description                             |
+|-------------------------------------------------------|-----------------------|-----------------------------------------|
+| openshift_storage_glusterfs_registry_namespace        | registry namespace    | Default is to use the hosted registry's namespace, otherwise 'default'
+| openshift_storage_glusterfs_registry_name             | 'registry'            | This allows for the logical separation of the registry GlusterFS cluster from other GlusterFS clusters
+| openshift_storage_glusterfs_registry_heketi_admin_key | auto-generated        | Separate from the above
+| openshift_storage_glusterfs_registry_heketi_user_key  | auto-generated        | Separate from the above
 
 Additionally, this role's behavior responds to the following registry-specific
 variables:

roles/openshift_storage_glusterfs/defaults/main.yml

@@ -12,8 +12,8 @@ openshift_storage_glusterfs_heketi_is_missing: True
 openshift_storage_glusterfs_heketi_deploy_is_missing: True
 openshift_storage_glusterfs_heketi_image: "{{ 'rhgs3/rhgs-volmanager-rhel7' | quote if deployment_type == 'openshift-enterprise' else 'heketi/heketi' | quote }}"
 openshift_storage_glusterfs_heketi_version: 'latest'
-openshift_storage_glusterfs_heketi_admin_key: ''
-openshift_storage_glusterfs_heketi_user_key: ''
+openshift_storage_glusterfs_heketi_admin_key: "{{ 32 | oo_generate_secret }}"
+openshift_storage_glusterfs_heketi_user_key: "{{ 32 | oo_generate_secret }}"
 openshift_storage_glusterfs_heketi_topology_load: True
 openshift_storage_glusterfs_heketi_wipe: "{{ openshift_storage_glusterfs_wipe }}"
 openshift_storage_glusterfs_heketi_url: "{{ omit }}"
@@ -31,8 +31,8 @@ openshift_storage_glusterfs_registry_heketi_is_missing: "{{ openshift_storage_gl
 openshift_storage_glusterfs_registry_heketi_deploy_is_missing: "{{ openshift_storage_glusterfs_heketi_deploy_is_missing }}"
 openshift_storage_glusterfs_registry_heketi_image: "{{ openshift_storage_glusterfs_heketi_image }}"
 openshift_storage_glusterfs_registry_heketi_version: "{{ openshift_storage_glusterfs_heketi_version }}"
-openshift_storage_glusterfs_registry_heketi_admin_key: "{{ openshift_storage_glusterfs_heketi_admin_key }}"
-openshift_storage_glusterfs_registry_heketi_user_key: "{{ openshift_storage_glusterfs_heketi_user_key }}"
+openshift_storage_glusterfs_registry_heketi_admin_key: "{{ 32 | oo_generate_secret }}"
+openshift_storage_glusterfs_registry_heketi_user_key: "{{ 32 | oo_generate_secret }}"
 openshift_storage_glusterfs_registry_heketi_topology_load: "{{ openshift_storage_glusterfs_heketi_topology_load }}"
 openshift_storage_glusterfs_registry_heketi_wipe: "{{ openshift_storage_glusterfs_heketi_wipe }}"
 openshift_storage_glusterfs_registry_heketi_url: "{{ openshift_storage_glusterfs_heketi_url | default(omit) }}"

roles/openshift_storage_glusterfs/tasks/glusterfs_common.yml

@@ -30,7 +30,7 @@
   - kind: "sa"
     name: "heketi-{{ glusterfs_name }}-service-account"
   - kind: "secret"
-    name: "heketi-{{ glusterfs_name }}-secret"
+    name: "heketi-{{ glusterfs_name }}-user-secret"
   failed_when: False
   when: glusterfs_heketi_wipe
 
@@ -168,3 +168,14 @@
   when:
   - glusterfs_heketi_is_native
   - glusterfs_heketi_is_missing
+
+- name: Create heketi user secret
+  oc_secret:
+    namespace: "{{ glusterfs_namespace }}"
+    state: present
+    name: "heketi-{{ glusterfs_name }}-user-secret"
+    type: "kubernetes.io/glusterfs"
+    force: True
+    contents:
+    - path: key
+      data: "{{ glusterfs_heketi_user_key }}"