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Version 1.6.1.I Setup kubernetes mit kubeadm.DNS kann nicht kubernetes Service innerhalb von hapster auflösen. Aber die Verwendung von ip von kubernetes ist in Ordnung. Unten ist das Containerprotokoll von Kubednskubedns kann nicht nslookup keine serivce
[[email protected] ~]# docker logs 624905719fa2
I0512 04:29:57.374905 1 dns.go:49] version: v1.5.2-beta.0+$Format:%h$
I0512 04:29:57.380148 1 server.go:70] Using configuration read from directory: /kube-dns-config%!(EXTRA time.Duration=10s)
I0512 04:29:57.380219 1 server.go:112] FLAG: --alsologtostderr="false"
I0512 04:29:57.380231 1 server.go:112] FLAG: --config-dir="/kube-dns-config"
I0512 04:29:57.380238 1 server.go:112] FLAG: --config-map=""
I0512 04:29:57.380242 1 server.go:112] FLAG: --config-map-namespace="kube-system"
I0512 04:29:57.380245 1 server.go:112] FLAG: --config-period="10s"
I0512 04:29:57.380268 1 server.go:112] FLAG: --dns-bind-address="0.0.0.0"
I0512 04:29:57.380272 1 server.go:112] FLAG: --dns-port="10053"
I0512 04:29:57.380278 1 server.go:112] FLAG: --domain="cluster.local."
I0512 04:29:57.380283 1 server.go:112] FLAG: --federations=""
I0512 04:29:57.380288 1 server.go:112] FLAG: --healthz-port="8081"
I0512 04:29:57.380292 1 server.go:112] FLAG: --initial-sync-timeout="1m0s"
I0512 04:29:57.380295 1 server.go:112] FLAG: --kube-master-url=""
I0512 04:29:57.380300 1 server.go:112] FLAG: --kubecfg-file=""
I0512 04:29:57.380303 1 server.go:112] FLAG: --log-backtrace-at=":0"
I0512 04:29:57.380309 1 server.go:112] FLAG: --log-dir=""
I0512 04:29:57.380315 1 server.go:112] FLAG: --log-flush-frequency="5s"
I0512 04:29:57.380318 1 server.go:112] FLAG: --logtostderr="true"
I0512 04:29:57.380323 1 server.go:112] FLAG: --nameservers=""
I0512 04:29:57.380326 1 server.go:112] FLAG: --stderrthreshold="2"
I0512 04:29:57.380330 1 server.go:112] FLAG: --v="2"
I0512 04:29:57.380334 1 server.go:112] FLAG: --version="false"
I0512 04:29:57.380340 1 server.go:112] FLAG: --vmodule=""
I0512 04:29:57.380386 1 server.go:175] Starting SkyDNS server (0.0.0.0:10053)
I0512 04:29:57.380816 1 server.go:197] Skydns metrics enabled (/metrics:10055)
I0512 04:29:57.380828 1 dns.go:147] Starting endpointsController
I0512 04:29:57.380832 1 dns.go:150] Starting serviceController
I0512 04:29:57.381406 1 logs.go:41] skydns: ready for queries on cluster.local. for tcp://0.0.0.0:10053 [rcache 0]
I0512 04:29:57.381417 1 logs.go:41] skydns: ready for queries on cluster.local. for udp://0.0.0.0:10053 [rcache 0]
I0512 04:29:57.439494 1 dns.go:264] New service: monitoring-influxdb
I0512 04:29:57.439579 1 dns.go:462] Added SRV record &{Host:monitoring-influxdb.kube-system.svc.cluster.local. Port:8086 Priority:10 Weight:10 Text: Mail:false Ttl:30 TargetStrip:0 Group: Key:}
I0512 04:29:57.439601 1 dns.go:462] Added SRV record &{Host:monitoring-influxdb.kube-system.svc.cluster.local. Port:8083 Priority:10 Weight:10 Text: Mail:false Ttl:30 TargetStrip:0 Group: Key:}
I0512 04:29:57.439623 1 dns.go:264] New service: dai-1-daiym-context-46
I0512 04:29:57.439642 1 dns.go:264] New service: kubernetes
I0512 04:29:57.439722 1 dns.go:462] Added SRV record &{Host:kubernetes.default.svc.cluster.local. Port:443 Priority:10 Weight:10 Text: Mail:false Ttl:30 TargetStrip:0 Group: Key:}
I0512 04:29:57.439746 1 dns.go:264] New service: nginxservice
I0512 04:29:57.439766 1 dns.go:264] New service: heapster
I0512 04:29:57.439784 1 dns.go:264] New service: kube-dns
I0512 04:29:57.439803 1 dns.go:462] Added SRV record &{Host:kube-dns.kube-system.svc.cluster.local. Port:53 Priority:10 Weight:10 Text: Mail:false Ttl:30 TargetStrip:0 Group: Key:}
I0512 04:29:57.439818 1 dns.go:462] Added SRV record &{Host:kube-dns.kube-system.svc.cluster.local. Port:53 Priority:10 Weight:10 Text: Mail:false Ttl:30 TargetStrip:0 Group: Key:}
I0512 04:29:57.439834 1 dns.go:264] New service: kubernetes-dashboard
I0512 04:29:57.439851 1 dns.go:264] New service: monitoring-grafana
I0512 04:29:57.882534 1 dns.go:171] Initialized services and endpoints from apiserver
I0512 04:29:57.882995 1 server.go:128] Setting up Healthz Handler (/readiness)
I0512 04:29:57.883004 1 server.go:133] Setting up cache handler (/cache)
I0512 04:29:57.883009 1 server.go:119] Status HTTP port 8081
Aber ich kann keinen Service innerhalb Kubedns auflösen.
[[email protected] ~]# docker exec -it 624905719fa2 sh
/# nslookup nginxservice localhost
Server: 127.0.0.1
Address 1: 127.0.0.1 localhost
nslookup: can't resolve 'nginxservice': Try again
/# nslookup heapster localhost
Server: 127.0.0.1
Address 1: 127.0.0.1 localhost
nslookup: can't resolve 'heapster': Try again
Warum verwenden Sie 'localhost' als DNS-Server? Hast du 'nslookup nginxserver' versucht? –