Add Prometheus exporters installation

Change-Id: I16565d6d2e0f21c9f0dd9a2ec25c13a8bd793802
diff --git a/src/com/mirantis/mk/Orchestrate.groovy b/src/com/mirantis/mk/Orchestrate.groovy
index d7c165e..3dd5c48 100644
--- a/src/com/mirantis/mk/Orchestrate.groovy
+++ b/src/com/mirantis/mk/Orchestrate.groovy
@@ -342,6 +342,11 @@
     //Install Telegraf
     salt.enforceState(master, 'I@telegraf:agent or I@telegraf:remote_agent', 'telegraf', true)
 
+    // Install Prometheus exporters
+    if (salt.testTarget(master, 'I@prometheus:exporters')) {
+        salt.enforceState(master, 'I@prometheus:exporters', 'prometheus', true)
+    }
+
     //Install Elasticsearch and Kibana
     salt.enforceState(master, '*01* and  I@elasticsearch:server', 'elasticsearch.server', true)
     salt.enforceState(master, 'I@elasticsearch:server', 'elasticsearch.server', true)