Add keycloak related files

- add docker stack with network
- add glusterfs bricks
- add keycloak proxy config

Change-Id: If5b0b057c683e3e841352cd4c9e5ad059a93ff29
diff --git a/glusterfs/client/volume/keycloak.yml b/glusterfs/client/volume/keycloak.yml
new file mode 100644
index 0000000..06d6134
--- /dev/null
+++ b/glusterfs/client/volume/keycloak.yml
@@ -0,0 +1,16 @@
+parameters:
+  _param:
+    keycloak_glusterfs_service_host: ${_param:glusterfs_service_host}
+    glusterfs_node01_address: ${_param:cluster_node01_address}
+    glusterfs_node02_address: ${_param:cluster_node02_address}
+    glusterfs_node03_address: ${_param:cluster_node03_address}
+  glusterfs:
+    client:
+      volumes:
+        keycloak:
+          path: /srv/volumes/keycloak
+          server: ${_param:keycloak_glusterfs_service_host}
+          opts: "defaults,backup-volfile-servers=${_param:glusterfs_node01_address}:${_param:glusterfs_node02_address}:${_param:glusterfs_node03_address}"
+          user: 1000
+          group: 1000
+
diff --git a/glusterfs/server/volume/keycloak.yml b/glusterfs/server/volume/keycloak.yml
new file mode 100644
index 0000000..c8c71f0
--- /dev/null
+++ b/glusterfs/server/volume/keycloak.yml
@@ -0,0 +1,20 @@
+parameters:
+  glusterfs:
+    server:
+      volumes:
+        keycloak:
+          storage: /srv/glusterfs/keycloak
+          replica: 3
+          bricks:
+            - ${_param:cluster_node01_address}:/srv/glusterfs/keycloak
+            - ${_param:cluster_node02_address}:/srv/glusterfs/keycloak
+            - ${_param:cluster_node03_address}:/srv/glusterfs/keycloak
+          options:
+            cluster.readdir-optimize: On
+            nfs.disable: On
+            network.remote-dio: On
+            diagnostics.client-log-level: WARNING
+            diagnostics.brick-log-level: WARNING
+            cluster.favorite-child-policy: mtime
+
+