networking - Cannot set up Kubernetes local cluster via Docker -

i followed http://kubernetes.io/docs/getting-started-guides/docker/. here commands literally run:

export k8s_version=$(curl -ss https://storage.googleapis.com/kubernetes-release/release/stable.txt) export arch=amd64 docker run -d \ --volume=/:/rootfs:ro \ --volume=/sys:/sys:rw \ --volume=/var/lib/docker/:/var/lib/docker:rw \ --volume=/var/lib/kubelet/:/var/lib/kubelet:rw \ --volume=/var/run:/var/run:rw \ --net=host \ --pid=host \ --privileged \ gcr.io/google_containers/hyperkube-${arch}:${k8s_version} \ /hyperkube kubelet \     --containerized \     --hostname-override=127.0.0.1 \     --api-servers=http://localhost:8080 \     --config=/etc/kubernetes/manifests \     --cluster-dns=10.0.0.10 \     --cluster-domain=cluster.local \     --allow-privileged --v=2 curl -ssl "http://storage.googleapis.com/kubernetes-release/release/v1.2.0/bin/linux/amd64/kubectl" > /usr/bin/kubectl chmod +x /usr/bin/kubectl kubectl config set-cluster test-doc --server=http://localhost:8080 kubectl config set-context test-doc --cluster=test-doc kubectl config use-context test-doc 

then followed https://github.com/kubernetes/kubernetes/tree/release-1.2/examples/nodesjs-mongodb:

kubectl create -f web-service.yaml kubectl create -f web-controller.yaml kubectl create -f mongo-service.yaml kubectl create -f mongo-controller.yaml 

i have python flask app, replace image own , args ['export docker=true && cd commandcenter/ && python app.py']

this reult of kubectl services:

name         cluster-ip   external-ip   port(s)     age kubernetes   10.0.0.1     <none>        443/tcp     3d mongo        10.0.0.167   <none>        27017/tcp   14m web          10.0.0.119                 80/tcp      6m 

reult of kubectl pods:

name                     ready     status    restarts   age k8s-etcd-127.0.0.1       1/1       running   0          3d k8s-master-127.0.0.1     4/4       running   0          3d k8s-proxy-127.0.0.1      1/1       running   0          3d mongo-controller-3b8q5   1/1       running   0          5m nginx-198147104-9w444    1/1       running   0          25m web-controller-6nzpn     1/1       running   3          2m web-controller-uot1s     1/1       running   3          2m 

result of kubectl logs web-controller-6nzpn:

debug 2016-06-09 17:57:49,279 starting server  info 2016-06-09 17:57:49,285  * running on http://0.0.0.0:3000/ (press ctrl+c quit) 

result of kubectl nodes:

name        status    age 127.0.0.1   ready     3d 

result of docker ps:

container id        image                                             command                  created             status              ports                      names 78330abb3cbc        gcr.io/google_containers/pause:2.0                "/pause"                 5 minutes ago       5 minutes                                   k8s_pod.6079054c_web-controller-6nzpn_default_208f7237-2e65-11e6-98e4-f80f41fc0776_e72a59d6 8f41e68e0dbb        gcr.io/google_containers/pause:2.0                "/pause"                 5 minutes ago       5 minutes                                   k8s_pod.6079054c_web-controller-uot1s_default_208f587f-2e65-11e6-98e4-    f80f41fc0776_6861905a d0d8696f8757        mongo                                             "/entrypoint.sh mongo"   8 minutes ago       8 minutes                                   k8s_mongo.a8042bbb_mongo-controller-3b8q5_default_b21552c0-2e64-11e6-98e4-f80f41fc0776_835c7956 83701f56b225        gcr.io/google_containers/pause:2.0                "/pause"                 9 minutes ago       9 minutes        0.0.0.0:27017->27017/tcp   k8s_pod.683503f7_mongo-controller-3b8q5_default_b21552c0-2e64-11e6-98e4-f80f41fc0776_a07aaf2b bdf64b18dbf0        nginx                                             "nginx -g 'daemon off"   29 minutes ago      29 minutes                                  k8s_nginx.cd4c2839_nginx-198147104-9w444_default_dab5019f-2e61-11e6-98e4-f80f41fc0776_04c0a7dc 15cfd30b3280        gcr.io/google_containers/pause:2.0                "/pause"                 29 minutes ago      29 minutes                                  k8s_pod.cf58006d_nginx-198147104-9w444_default_dab5019f-2e61-11e6-98e4-f80f41fc0776_aae25ba3 4409962a7123        gcr.io/google_containers/hyperkube:v0.21.2        "/hyperkube proxy --m"   44 minutes ago      44 minutes                                  stupefied_yonath 0a8b91c41e68        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/setup-files.sh ip:1"   49 minutes ago      49 minutes                                  k8s_setup.eb843218_k8s-master-127.0.0.1_default_721118f359852533089009890ac21208_22bec1b0 6a91a6e7620c        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/hyperkube scheduler"   49 minutes ago      49 minutes                                  k8s_scheduler.dbfcc0_k8s-master-127.0.0.1_default_721118f359852533089009890ac21208_feeb19b7 4ca45bc03c89        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/hyperkube apiserver"   49 minutes ago      49 minutes                                  k8s_apiserver.1082c1e0_k8s-master-127.0.0.1_default_721118f359852533089009890ac21208_16592f39 a5a4cf124d74        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/hyperkube controlle"   49 minutes ago      49 minutes                                  k8s_controller-manager.76914b67_k8s-master-127.0.0.1_default_721118f359852533089009890ac21208_d2dffc43 3f0c3c342a12        gcr.io/google_containers/etcd:2.2.1               "/usr/local/bin/etcd "   49 minutes ago      49 minutes                                  k8s_etcd.7e452b0b_k8s-etcd-127.0.0.1_default_1df6a8b4d6e129d5ed8840e370203c11_82b244e9 3bca02d310dc        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/hyperkube proxy --m"   49 minutes ago      49 minutes                                  k8s_kube-proxy.a1014855_k8s-proxy-127.0.0.1_default_0cda4a663a246109121ac68b3c7e82b7_c610ef5f cf83efe4cf4e        gcr.io/google_containers/pause:2.0                "/pause"                 49 minutes ago      49 minutes                                  k8s_pod.6059dfa2_k8s-master-127.0.0.1_default_721118f359852533089009890ac21208_2864939a 51b02dab5bcd        gcr.io/google_containers/pause:2.0                "/pause"                 49 minutes ago      49 minutes                                  k8s_pod.6059dfa2_k8s-etcd-127.0.0.1_default_1df6a8b4d6e129d5ed8840e370203c11_9cf2fc4d 5256fcfbd3d2        gcr.io/google_containers/pause:2.0                "/pause"                 49 minutes ago      49 minutes                                  k8s_pod.6059dfa2_k8s-proxy-127.0.0.1_default_0cda4a663a246109121ac68b3c7e82b7_86be1d4f b41dfb03d56d        gcr.io/google_containers/hyperkube-amd64:v1.2.4   "/hyperkube kubelet -"   50 minutes ago      50 minutes                                  kickass_fermat 

the machine has public ip address, , goal access demo website outside. can access mongo via http://public_ip_address:27017 , curl 10.0.0.167:27017, because shown above, mongo has 0.0.0.0:27017->27017/tcp.however, when run curl 10.0.0.119:3000, infinite loop , says time out. why that?

thus, question is: how expose web has non-empty ports field?

i not have knowledge on networking, appreciated. thank much!

if @ https://github.com/kubernetes/kubernetes/blob/release-1.2/examples/nodesjs-mongodb/web-service.yaml, you'll see service type loadbalancer. intended work cloud providers aws , gce.

in case, need expose services using nodeports. specify type: nodeport , nodeport: 3xxxx (some port greater 30000) , can access service @ <nodeip>:nodeport.