Add Alerta to k8s and SL models

Change-Id: I8969e225826f7e1be49e3a8dc8dcaab7975ddeb3
PROD-Related: PROD-19760
diff --git a/classes/cluster/sl-pike-dvr/stacklight/server.yml b/classes/cluster/sl-pike-dvr/stacklight/server.yml
index a6e2477..984bc40 100644
--- a/classes/cluster/sl-pike-dvr/stacklight/server.yml
+++ b/classes/cluster/sl-pike-dvr/stacklight/server.yml
@@ -23,11 +23,16 @@
 - system.influxdb.database.ceilometer
 - system.keepalived.cluster.instance.prometheus_server_vip
 - system.telegraf.agent.remote
+- system.mongodb.server.cluster
+- system.prometheus.alerta
+- system.prometheus.alertmanager.notification.alerta
+- system.prometheus.server.alert.alerta_relabel
 - system.prometheus.server.remote_write.docker
 - system.prometheus.server.alertmanager.dns
 - system.prometheus.server.target.dns
 - system.docker.swarm.stack.monitoring.prometheus_global
 - system.docker.swarm.stack.monitoring.remote_collector
+- system.docker.swarm.stack.monitoring.alerta
 - system.docker.swarm.stack.dashboard
 - cluster.sl-pike-dvr
 parameters:
@@ -48,6 +53,7 @@
     cluster_node03_hostname: mon03
     cluster_node03_address: ${_param:stacklight_monitor_node03_address}
     docker_image_alertmanager: docker-prod-virtual.docker.mirantis.net/openstack-docker/alertmanager:latest
+    docker_image_alerta: docker-prod-local.artifactory.mirantis.com/mirantis/external/alerta-web:latest
     docker_image_pushgateway: docker-prod-virtual.docker.mirantis.net/openstack-docker/pushgateway:latest
     docker_image_prometheus: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus:latest
     docker_image_remote_agent: docker-prod-virtual.docker.mirantis.net/openstack-docker/telegraf:latest