adding es run tag setting (#312)

Signed-off-by: Paige Patton <prubenda@redhat.com>

Author: paigerube14

config.yaml.template

@@ -56,6 +56,7 @@ elastic:
     metrics_index: "$ES_METRICS_INDEX"
     alerts_index: "$ES_ALERTS_INDEX"
     telemetry_index: "$ES_TELEMETRY_INDEX"
+    run_tag: "$ES_RUN_TAG"
 
 health_checks:                                                  # Utilizing health check endpoints to observe application behavior during chaos injection.
     interval: $HEALTH_CHECK_INTERVAL

env.sh

@@ -26,6 +26,7 @@ export ES_PORT=${ES_PORT:=443}
 export ES_USERNAME=${ES_USERNAME:=elastic}
 export ES_PASSWORD=${ES_PASSWORD}
 export ES_VERIFY_CERTS=${ES_VERIFY_CERTS:=False}
+export ES_RUN_TAG=${ES_RUN_TAG:=""}
 
 export ES_METRICS_INDEX=${ES_METRICS_INDEX:=krkn-metrics}
 export ES_ALERTS_INDEX=${ES_ALERTS_INDEX:=krkn-alerts}