10.1.241.55 should be the IP address of the node and dnsmasq should be running on the node which will route queries for 'cluster.local' to the appropriate place. Can you check on dnsmasq on the node?
On Mon, Aug 21, 2017 at 6:38 AM, Yu Wei <[email protected]> wrote: > Hi, > > I setup Openshift Origin 1.5 with openvswitch network plugin. > > It seemed that dns server setup was not properly within pod. > > services, endpoints couldn't be reached by name. > > Within pod, /etc/resolv.conf contains following content, > > root@sb-2017-redis-master-w7g44:/data# cat /etc/resolv.conf > search redis.svc.cluster.local svc.cluster.local cluster.local > nameserver 10.1.241.55 > options ndots:5 > > > Then I added "172.30.0.1" to /etc/resolv.conf as below, > > > > > > *root@sb-2017-redis-master-w7g44:/data# cat /etc/resolv.conf search > redis.svc.cluster.local svc.cluster.local cluster.local nameserver > 10.1.241.55 options ndots:5 nameserver 172.30.0.1* > > Then services, endpoints could be found by dns name. > > So why is "nameserver 172.30.0.1" not added to /etc/resolv.conf > automatically? > > Did I missed anything when setup cluster? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > *[root@host-10-1-236-92 gluster]# dig redis-svc.redis.svc.cluster.local ; > <<>> DiG 9.9.4-RedHat-9.9.4-29.el7 <<>> redis-svc.redis.svc.cluster.local > ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, > status: NOERROR, id: 4207 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, > AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: > ;redis-svc.redis.svc.cluster.local. IN A ;; ANSWER SECTION: > redis-svc.redis.svc.cluster.local. 30 IN A 172.30.4.92 ;; Query time: 2 > msec ;; SERVER: 172.30.0.1#53(172.30.0.1) ;; WHEN: Mon Aug 21 18:48:50 CST > 2017 ;; MSG SIZE rcvd: 67 [root@host-10-1-236-92 gluster]# dig > redis-svc.redis.endpoints.cluster.local ; <<>> DiG > 9.9.4-RedHat-9.9.4-29.el7 <<>> redis-svc.redis.endpoints.cluster.local ;; > global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: > NOERROR, id: 19434 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: > 0, ADDITIONAL: 0 ;; QUESTION SECTION: > ;redis-svc.redis.endpoints.cluster.local. IN A ;; ANSWER SECTION: > redis-svc.redis.endpoints.cluster.local. 30 IN A 10.130.0.2 ;; Query time: > 5 msec ;; SERVER: 172.30.0.1#53(172.30.0.1) ;; WHEN: Mon Aug 21 18:49:05 > CST 2017 ;; MSG SIZE rcvd: 73* > > > > > > > Thanks, > > Jared, (韦煜） > Software developer > Interested in open source software, big data, Linux > > _______________________________________________ > users mailing list > [email protected] > http://lists.openshift.redhat.com/openshiftmm/listinfo/users > >
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