[GitHub] [druid] ceastman-ibm opened a new issue #9496: druid management ui in kubernetes fails if more than one coordinator/overlord process

[GitBox]

ceastman-ibm opened a new issue #9496: druid management ui in kubernetes fails 
if more than one coordinator/overlord process
URL: https://github.com/apache/druid/issues/9496
 
 
   ### Affected Version
   
   0.17.0
   
   ### Description
   
   individual deployment/stateful set with seven replicas each of:
   historical/data
   coordinator/overlord
   broker/query
   
   ingress.yaml:
   apiVersion: extensions/v1beta1
   kind: Ingress
   metadata:
     name: {{ template "name" . }}
     {{- with .Values.druid.ingress.annotations }}
     annotations:
       {{- . | toYaml | nindent 4 }}
     {{- end }}
   spec:
     tls:
       - hosts:
         - {{ .Values.druid.ingress.hostnameRegional | quote }}
         - {{ .Values.druid.ingress.hostnameGlobal | quote }}
         secretName: {{ template "name" . }}-global-ssl-secret
     rules:
     - host: {{ .Values.druid.ingress.hostnameRegional }}
       http:
         paths:
           - path: /
             backend:
               serviceName: druid-router
               servicePort: 8888
           - path: /druid/v2/sql
             backend:
               serviceName: druid-broker
               servicePort: 8082
           - path: /druid/coordinator
             backend:
               serviceName: druid-coordinator
               servicePort: 8081
           - path: /druid/indexer
             backend:
               serviceName: druid-overlord
               servicePort: 8081
     - host: {{ .Values.druid.ingress.hostnameGlobal }}
       http:
         paths:
           - path: /
             backend:
               serviceName: druid-router
               servicePort: 8888
           - path: /druid/v2/sql
             backend:
               serviceName: druid-broker
               servicePort: 8082
           - path: /druid/coordinator
             backend:
               serviceName: druid-coordinator
               servicePort: 8081
           - path: /druid/indexer
             backend:
               serviceName: druid-overlord
               servicePort: 8081
   
   
   <img width="1680" alt="Screen Shot 2020-03-10 at 9 55 36 AM" 
src="https://user-images.githubusercontent.com/25593207/76340220-3a0b7780-62c9-11ea-8763-96ff6ce586d5.png";>
   
   when looking at the browser diagnostics i see these two urls are returning 
404s:
   9:57
   https://<<redacted>>/druid/coordinator/v1/isLeader
   https://<<redacted>>/druid/indexer/v1/isLeader
   
   when i scale the deployment of the coordinator/overlord to one replica the 
issue goes away.
   
   when i go directly to those two urls listed above it returns a json object:
   isLeader: false
   
   

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