容器负载均衡器

青云QingCloud容器及Kubernetes实践王渊命|青云QingCloud容器平台负责人当我们谈论容器时我们在谈论什么容器的两个视角资源隔离应用封装容器技术一家独大百花齐放Docker,Rocket,MesosUniversalcontainer,LXC,HyperContainer调度系统三足鼎立Kubernetes,Mesos,Swarm2016年容器技术思考:Docker,Kubernetes,Mesos将走向何方http://jolestar.
com/container-ecosystem/容器生态圈现状Container@QingCloud资源视角应用视角Container@QingCloud—资源视角QingCloudIaaS调度系统支持ContainerInstanceHardwareHostOSHypervisorGuestOSApplica6onsApplica6onsVirtualInstanceContainerInstanceContainer@QingCloud—应用视角"container":{"type":"docker","image":"zookeeper"}AppCenter支持Docker镜像Container@QingCloud—应用视角AppCenter支持各种容器编排系统Kubernetes@QingCloud网络存储负载均衡弹性Kubernetes概览PodPodschedulingactuatorREST(pods,services,rep.
contollers)authenticationauthorizationkubectl(usercommands)SchedulerSchedulercontrollermanagerAPIsMastercomponentsDistributedWatchableStorage(implementedviaetcd)kubeletProxycAdvisorcAdvisorcAdvisorcontainercAdvisorcontainerFirewallInternetPoddockerNodePodPodkubeletProxycAdvisorcAdvisorcAdvisorcontainercAdvisorcontainerPoddockerNodeKubernetes抽象概念ServiceStatefulSet(PetSet)JobPersistentVolumeReplicaSet(ReplicationController)PersistentVolumeClaimDeploymentNamespaceDaemonSetLabel/SelectorKubernetes网络CNI(ContainerNetworkInterface)-Flannel-Calico-ContivClusterIP-VirtualIP-Iptables容器之间可以直接互通,不需要NAT节点可以喝容器直接互通,不需要NAT容器看到自己的IP应该和其他容器看到的一样Kubernetes网络之ClusterIP{"kind":"Service","apiVersion":"v1","metadata":{"name":"my-service"},"spec":{"selector":{"app":"MyApp"},"ports":[{"protocol":"TCP","port":80,"targetPort":9376}],"clusterIP":"10.
0.
171.
239","type":"LoadBalancer/NodePort"}}Kubernetes网络之flannelDiscoveryetcdkube-subnet-mgrBackendvxlanaws-vpcKubernetes网络之QingCloudVPCPodPodNic1(192.
168.
1.
10)Nic1(192.
168.
1.
11)NicX(192.
168.
1.
X).
.
.
Nic0(192.
168.
0.
10)PodNode1LoadBalancerInternetLegacyAppVM1PublicLoadBalancerPodPodNic1(192.
168.
2.
10)Nic1(192.
168.
2.
11)NicX(192.
168.
2.
X).
.
.
Nic0(192.
168.
0.
11)PodNode2Kubernetes负载均衡器InternetLoadBalancerkube-proxy/iptablesNodePortBBkube-proxy/iptablesNodePortBKubernetes之QingCloudLBVPCPodPodNic1(192.
168.
1.
10)Nic1(192.
168.
1.
11)NicX(192.
168.
1.
X).
.
.
Nic0(192.
168.
0.
10)PodNode1LoadBalancerInternetLegacyAppVM1PublicLoadBalancerPodPodNic1(192.
168.
1.
10)Nic1(192.
168.
1.
11)NicX(192.
168.
1.
X).
.
.
Nic0(192.
168.
0.
10)PodNode1Kubernetes存储Container(MySQL)Node1LocalDiskContainer(MySQL)Node2LocalDiskControllerManagerXschedulerContainer(MySQL)Node1DistributeDiskContainer(MySQL)Node2ControllerManagerOKschedulerKubernetes存储DistributeDisknfscephglusterfsPersistentVolumeplugin-gcePersistentDisk-awsElasticBlockStore-qingCloudStoreKubernetes存储之QingCloudStorePersistentVolumePluginPersistentVolumeStorageClassPersistentVolumeClaimKubernetes存储之QingCloudStorekind:PersistentVolumeapiVersion:v1metadata:name:qingcloud-pvlabels:type:qingcloudspec:capacity:storage:10GiaccessModes:-ReadWriteOnceqingCloudStore:volumeID:vol-caoxtgg3fsType:ext4kind:PersistentVolumeClaimapiVersion:v1metadata:name:qingcloud-pvcannotations:volume.
beta.
kubernetes.
io/storage-class:qingcloud-storageclassspec:accessModes:-ReadWriteOnceresources:requests:storage:3Gikind:StorageClassapiVersion:storage.
k8s.
io/v1beta1metadata:name:qingcloud-storageclassprovisioner:kubernetes.
io/qingcloud-volumeparameters:type:"3"Kubernetes自动伸缩Deployment集群的自动伸缩(TriggeredScaleUpEvent)kubectlautoscaledeploymentphp-apache--cpu-percent=50--min=1--max=10gcloudcontainerclusterscreatemytestcluster\—zone=us-central1-b--enable-autoscaling--min-nodes=3--max-nodes=10--num-nodes=5Kubernetes@QingCloud网络(SDNPassthrough)存储(PersistentVolumePlugin)负载均衡(LB+SDN)自动伸缩(Event+IaaSAPI)计划7月份公开试用AppCenter支持Kubernetes应用规范Kubernetes之上的服务