Fix elasticsearch
I can see that in elasticsearch-masterX:
[2020-01-17T09:40:45,225][WARN ][o.e.d.z.UnicastZenPing ] [sesame-elasticsearch-master-0] failed to resolve host [sesame-elasticsearch-discovery] │
│ java.net.UnknownHostException: sesame-elasticsearch-discovery: Name or service not known │
│ at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) ~[?:?] │
│ at java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:929) ~[?:?] │
│ at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1515) ~[?:?] │
│ at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:848) ~[?:?] │
│ at java.net.InetAddress.getAllByName0(InetAddress.java:1505) ~[?:?] │
│ at java.net.InetAddress.getAllByName(InetAddress.java:1364) ~[?:?] │
│ at java.net.InetAddress.getAllByName(InetAddress.java:1298) ~[?:?] │
│ at org.elasticsearch.transport.TcpTransport.parse(TcpTransport.java:536) ~[elasticsearch-6.8.2.jar:6.8.2] │
│ at org.elasticsearch.transport.TcpTransport.addressesFromString(TcpTransport.java:489) ~[elasticsearch-6.8.2.jar:6.8.2] │
│ at org.elasticsearch.transport.TransportService.addressesFromString(TransportService.java:743) ~[elasticsearch-6.8.2.jar:6.8.2] │
│ at org.elasticsearch.discovery.zen.UnicastZenPing.lambda$resolveHostsLists$0(UnicastZenPing.java:189) ~[elasticsearch-6.8.2.jar:6.8.2] │
│ at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] │
│ at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:681) [elasticsearch-6.8.2.jar:6.8.2] │
│ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] │
│ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] │
│ at java.lang.Thread.run(Thread.java:835) [?:?]
This is maybe related to the version being old: helm/stable/elasticsearch is deprecated in favour of https://github.com/elastic/helm-charts/tree/master/elasticsearch