kube: standardize top.secretRefs convention

Introduce a convention of declaring a secretsRefs:: object below cfg:: for containing all secretKeyRefs. The goal is to self-document all secrets that need to be created in order to deploy a service

Change-Id: I3a990d54f65a288f5e748262c576d2a120efd815
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1806
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/personal/radex/wordpress/prod.jsonnet b/personal/radex/wordpress/prod.jsonnet
index d8aca0b..21a373d 100644
--- a/personal/radex/wordpress/prod.jsonnet
+++ b/personal/radex/wordpress/prod.jsonnet
@@ -13,7 +13,7 @@
         storageSize: "5Gi",
     },
 
-    secrets:: {
+    secretRefs:: {
         mysql: { secretKeyRef: { name: cfg.name, key: 'mysql_password' } },
         wordpress: { secretKeyRef: { name: cfg.name, key: 'wordpress_password' } },
     },
@@ -39,9 +39,9 @@
                                 WORDPRESS_DATABASE_HOST: 'wordpress-mysql',
                                 WORDPRESS_DATABASE_NAME: 'wordpress',
                                 WORDPRESS_DATABASE_USER: 'wordpress',
-                                WORDPRESS_DATABASE_PASSWORD: top.secrets.mysql,
+                                WORDPRESS_DATABASE_PASSWORD: top.secretRefs.mysql,
                                 WORDPRESS_USERNAME: 'admin',
-                                WORDPRESS_PASSWORD: top.secrets.wordpress,
+                                WORDPRESS_PASSWORD: top.secretRefs.wordpress,
                             },
                         },
                     },
@@ -85,7 +85,7 @@
                                     MYSQL_RANDOM_ROOT_PASSWORD: "yes",
                                     MYSQL_DATABASE: "wordpress",
                                     MYSQL_USER: "wordpress",
-                                    MYSQL_PASSWORD: top.secrets.mysql,
+                                    MYSQL_PASSWORD: top.secretRefs.mysql,
                                 },
                                 volumeMounts_: {
                                     data: { mountPath: '/var/lib/mysql' },