stack sunbird prometheus scrape interval timeout changes and scrape e…

…ndpoint fix for secor kafka consumer lag exporter

ansible/roles/stack-monitor-stateful/templates/prometheus.yml

@@ -1,6 +1,6 @@
 global:
   scrape_interval: 1m
-  scrape_timeout: 10s
+  scrape_timeout: 30s
   evaluation_interval: 1m
   {% if cluster_name and cluster_name | length  %}
   # Clustername is defined for multi swarm cluster
@@ -71,6 +71,7 @@ scrape_configs:
       - targets: ['monitor_stateful_log_elasticsearch_exporter:9108']
 
   - job_name: 'kafka-lag-exporter'
+    metrics_path: /metrics
     static_configs:
       - targets: ['kafka-lag-exporter:9308']