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kubernetes实战-基于redis和docker的留言簿案例
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Docker知识库[root@centos1 example]# kubectl create -f redis-master-controller.json replicationcontrollers/redis-master[root@centos1 example]# kubectl get rcCONTROLLER CONTAINER(S) IMAGE(S) SELECTOR REPLICASredis-master master redis name=redis-master 1[root@centos1 example]# kubectl get podsPOD IP CONTAINER(S) IMAGE(S) HOST LABELS STATUS CREATED MESSAGEredis-master-svar7 172.17.0.9 centos2/192.168.1.112 name=redis-master Running 55 seconds master redis Running 55 seconds [root@centos2 yum.repos.d]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES91689ce56668 redis:latest "/entrypoint.sh redi 3 minutes ago Up 3 minutes k8s_master.52732b08_redis-master-svar7_default_5b6d5485-1894-11e5-b3ad-000c293c8c19_97e79b7b 38c3180813c3 gcr.io/google_containers/pause:0.8.0 "/pause" 3 minutes ago Up 3 minutes k8s_POD.49eee8c2_redis-master-svar7_default_5b6d5485-1894-11e5-b3ad-000c293c8c19_298e038f [root@centos1 example]# kubectl create -f redis-master-service.json services/redis-master[root@centos1 example]# kubectl get servicesNAME LABELS SELECTOR IP(S) PORT(S)redis-master name=redis-master name=redis-master 10.254.154.90 6379/TCP[root@centos1 example]# kubectl create -f redis-slave-controller.json replicationcontrollers/redis-slave[root@centos1 example]# kubectl get rcCONTROLLER CONTAINER(S) IMAGE(S) SELECTOR REPLICASredis-master master redis name=redis-master 1redis-slave slave kubernetes/redis-slave:v2 name=redis-slave 2[root@centos1 example]# kubectl get podsPOD IP CONTAINER(S) IMAGE(S) HOST LABELS STATUS CREATED MESSAGEredis-master-svar7 172.17.0.9 centos2/192.168.1.112 name=redis-master Running 41 minutes master redis Running 41 minutes redis-slave-31tkb 172.17.0.10 centos2/192.168.1.112 name=redis-slave Running 29 seconds slave kubernetes/redis-slave:v2 Running 28 seconds redis-slave-uk8nu 172.17.0.11 centos2/192.168.1.112 name=redis-slave Running 29 seconds slave kubernetes/redis-slave:v2 Running 28 seconds [root@centos1 example]# kubectl create -f redis-slave-service.json services/redis-slave[root@centos1 example]# kubectl get servicesNAME LABELS SELECTOR IP(S) PORT(S)redis-master name=redis-master name=redis-master 10.254.154.90 6379/TCPredis-slave name=redis-slave name=redis-slave 10.254.159.145 6379/TCP[root@centos1 example]# kubectl create -f frontend-controller.json replicationcontrollers/frontend[root@centos1 example]# kubectl get rcCONTROLLER CONTAINER(S) IMAGE(S) SELECTOR REPLICASfrontend php-redis kubernetes/example-guestbook-php-redis:v2 name=frontend 3redis-master master redis name=redis-master 1redis-slave slave kubernetes/redis-slave:v2 name=redis-slave 2[root@centos1 example]# kubectl get podsPOD IP CONTAINER(S) IMAGE(S) HOST LABELS STATUS CREATED MESSAGEfrontend-fr5z1 172.17.0.13 centos2/192.168.1.112 name=frontend Running 2 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 2 minutes frontend-gjx3t 172.17.0.14 centos2/192.168.1.112 name=frontend Running 2 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 2 minutes frontend-v608r 172.17.0.12 centos2/192.168.1.112 name=frontend Running 2 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 2 minutes redis-master-svar7 172.17.0.9 centos2/192.168.1.112 name=redis-master Running 53 minutes master redis Running 53 minutes redis-slave-31tkb 172.17.0.10 centos2/192.168.1.112 name=redis-slave Running 12 minutes slave kubernetes/redis-slave:v2 Running 12 minutes redis-slave-uk8nu 172.17.0.11 centos2/192.168.1.112 name=redis-slave Running 12 minutes slave kubernetes/redis-slave:v2 Running 12 minutes [root@centos1 example]# kubectl create -f frontend-service.json services/frontend[root@centos1 example]# kubectl get servicesNAME LABELS SELECTOR IP(S) PORT(S)frontend name=frontend name=frontend 10.254.154.111 80/TCPredis-master name=redis-master name=redis-master 10.254.154.90 6379/TCPredis-slave name=redis-slave name=redis-slave 10.254.159.145 6379/TCPNodePorts 和LoadBalancers，https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/services.md#external-services[root@centos1 example]# kubectl get pods,servicesPOD IP CONTAINER(S) IMAGE(S) HOST LABELS STATUS CREATED MESSAGEfrontend-fr5z1 172.17.0.13 centos2/192.168.1.112 name=frontend Running 22 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 22 minutes frontend-gjx3t 172.17.0.14 centos2/192.168.1.112 name=frontend Running 22 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 22 minutes frontend-v608r 172.17.0.12 centos2/192.168.1.112 name=frontend Running 22 minutes php-redis kubernetes/example-guestbook-php-redis:v2 Running 22 minutes redis-master-svar7 172.17.0.9 centos2/192.168.1.112 name=redis-master Running About an hour master redis Running About an hour redis-slave-31tkb 172.17.0.10 centos2/192.168.1.112 name=redis-slave Running 32 minutes slave kubernetes/redis-slave:v2 Running 32 minutes redis-slave-uk8nu 172.17.0.11 centos2/192.168.1.112 name=redis-slave Running 32 minutes slave kubernetes/redis-slave:v2 Running 32 minutes NAME LABELS SELECTOR IP(S) PORT(S)frontend name=frontend name=frontend 10.254.154.111 80/TCPkubernetes component=apiserver,provider=kubernetes <none> 10.254.0.2 443/TCPkubernetes-ro component=apiserver,provider=kubernetes <none> 10.254.0.1 80/TCPredis-master name=redis-master name=redis-master 10.254.154.90 6379/TCPredis-slave name=redis-slave name=redis-slave 10.254.159.145 6379/TCP[root@centos1 example]# kubectl get servicesNAME LABELS SELECTOR IP(S) PORT(S)frontend name=frontend name=frontend 10.254.154.111 80/TCPkubernetes component=apiserver,provider=kubernetes <none> 10.254.0.2 443/TCPkubernetes-ro component=apiserver,provider=kubernetes <none> 10.254.0.1 80/TCPredis-master name=redis-master name=redis-master 10.254.154.90 6379/TCPredis-slave name=redis-slave name=redis-slave 10.254.159.145 6379/TCP-A KUBE-PORTALS-HOST -d 10.254.154.90/32 -p tcp -m comment --comment "default/redis-master:" -m tcp --dport 6379 -j DNAT --to-destination 192.168.1.112:49038[root@centos2 yum.repos.d]# redis-cli -p 49038127.0.0.1:49038> set a bOK127.0.0.1:49038> get a"b"curl "localhost:8000/index.php?cmd=set&key=messages&value=jay_sais_hi"curl "localhost:8000/index.php?cmd=get&key=messages"{ "kind":"ReplicationController", "apiVersion":"v1beta3", "metadata":{ "name":"redis-master", "labels":{ "name":"redis-master" } }, "spec":{ "replicas":1, "selector":{ "name":"redis-master" }, "template":{ "metadata":{ "labels":{ "name":"redis-master" } }, "spec":{ "containers":[ { "name":"master", "image":"redis", "ports":[ { "containerPort":6379 } ] } ] } } }}{ "kind":"Service", "apiVersion":"v1beta3", "metadata":{ "name":"redis-master", "labels":{ "name":"redis-master" } }, "spec":{ "ports": [ { "port":6379, "targetPort":6379 } ], "selector":{ "name":"redis-master" } }}{ "kind":"ReplicationController", "apiVersion":"v1beta3", "metadata":{ "name":"redis-slave", "labels":{ "name":"redis-slave" } }, "spec":{ "replicas":2, "selector":{ "name":"redis-slave" }, "template":{ "metadata":{ "labels":{ "name":"redis-slave" } }, "spec":{ "containers":[ { "name":"slave", "image":"kubernetes/redis-slave:v2", "ports":[ { "containerPort":6379 } ] } ] } } }}{ "kind":"Service", "apiVersion":"v1beta3", "metadata":{ "name":"redis-slave", "labels":{ "name":"redis-slave" } }, "spec":{ "ports": [ { "port":6379 } ], "selector":{ "name":"redis-slave" } }}{ "kind":"ReplicationController", "apiVersion":"v1beta3", "metadata":{ "name":"frontend", "labels":{ "name":"frontend" } }, "spec":{ "replicas":3, "selector":{ "name":"frontend" }, "template":{ "metadata":{ "labels":{ "name":"frontend" } }, "spec":{ "containers":[ { "name":"php-redis", "image":"kubernetes/example-guestbook-php-redis:v2", "ports":[ { "containerPort":80 } ] } ] } } }}{ "kind":"Service", "apiVersion":"v1beta3", "metadata":{ "name":"frontend", "labels":{ "name":"frontend" } }, "spec":{ "ports": [ { "port":80 } ], "selector":{ "name":"frontend" } }}
redis,docker和kubernetes留言簿案例实战
标签：images asc article cal div style meta root view
原文地址：http://www.cnblogs.com/Leo_wl/p/6098773.html
