Updated logic in service entry templates

General MR

Summary

• Updated service entry templates to use the updated value of external_url for grafana and tracing
• Updated logic in tracing service entry

Relevant logs/screenshots

Post Upgrade Results:

➜  flux get hr kiali -n bigbang

NAME 	REVISION   	SUSPENDED	READY	MESSAGE                                                                              
kiali	2.18.0-bb.1	False    	True 	Helm upgrade succeeded for release kiali/kiali-kiali.v2 with chart kiali@2.18.0-bb.1

➜  kubectl get se -n kiali

NAME                                HOSTS                       LOCATION        RESOLUTION   AGE
bbtests-service-entry               ["repo1.dso.mil"]           MESH_EXTERNAL   DNS          12m
grafana-bigbang-dev-service-entry   ["grafana.bigbang.dev"]     MESH_EXTERNAL                3m10s
kiali-service-entry                 ["kiali.dev.bigbang.mil"]   MESH_EXTERNAL   DNS          12m
tracing-bigbang-dev-service-entry   ["tracing.bigbang.dev"]     MESH_EXTERNAL                3m10s

Linked Issue

issue

Upgrade Notices

N/A

Closes #250 (closed)