Refactoring of SL related k8s services

Changed the following SL k8s services:
- alertmanager
- fluentd
- prometheus

Change-Id: I461e55d0f607a9aa3476d338f3e38ea642bcc63b
Related-Bug: PROD-23674
diff --git a/kubernetes/common/addons/prometheus.yml b/kubernetes/common/addons/prometheus.yml
index 5f5fcea..b7a0090 100644
--- a/kubernetes/common/addons/prometheus.yml
+++ b/kubernetes/common/addons/prometheus.yml
@@ -3,33 +3,24 @@
 parameters:
   _param:
     kubernetes_prometheus_image: ${_param:mcp_docker_registry}/openstack-docker/prometheus:2018.8.0
-    kubernetes_prometheus_enabled: false
-    kubernetes_prometheus_namespace: stacklight
-    kubernetes_prometheus_server_resources_limits_memory: 500M
-    kubernetes_prometheus_server_resources_requests_memory: 500M
-    kubernetes_prometheus_server_bind_host_port: 31990
-    kubernetes_prometheus_server_storage_local_engine: persisted
-    kubernetes_prometheus_server_use_static_datadir: true
+    kubernetes_prometheus_enabled: true
+    kubernetes_prometheus_server_resources_limits_memory: 1G
+    kubernetes_prometheus_server_resources_requests_memory: 1G
   kubernetes:
     common:
       addons:
         prometheus:
           enabled:  ${_param:kubernetes_prometheus_enabled}
-          image: ${_param:kubernetes_prometheus_image}
-          namespace: ${_param:kubernetes_prometheus_namespace}
           server:
+            image: ${_param:kubernetes_prometheus_image}
             bind:
               port: ${prometheus:server:bind:port}
               host: ${prometheus:server:bind:address}
-              host_port: ${_param:kubernetes_prometheus_server_bind_host_port}
             config:
               config_dir: ${prometheus:server:dir:config_in_container}
               host_config_dir: ${prometheus:server:dir:config}
               data_dir: ${_param:prometheus_server_data_directory}
               host_data_dir: ${prometheus:server:dir:data}
-              storage_local_engine: ${_param:kubernetes_prometheus_server_storage_local_engine}
-              storage_local_retention: ${prometheus:server:storage:local:retention}
-              use_static_datadir: ${_param:kubernetes_prometheus_server_use_static_datadir}
             resources:
               limits:
                 memory: ${_param:kubernetes_prometheus_server_resources_limits_memory}