Openshift:可靠的Kubernetes发行版

Openshift网络插件动态切换

2018-12-12  本文已影响91人  潘晓华Michael

Openshift 3.11版本

Openshift SDN网络插件ovs-subnet 与 ovs-multitenant切换

  1. 更改节点上的networkPluginName的配置
$ ansible all -m shell -a 'sed -i "s/openshift-ovs-subnet/openshift-ovs-multitenant/g" /etc/origin/node/node-config.yaml'
$ ansible masters  -m shell -a 'sed -i "s/openshift-ovs-subnet/openshift-ovs-multitenant/g" /etc/origin/master/master-config.yaml'
  1. 重启master节点上的origin-master-api和origin-master-controllers服务
$ ansible masters -m shell -a 'master-restart api' -f 1
$ ansible masters -m shell -a 'master-restart controllers' -f 1
  1. 停止节点上的origin-node服务
$ ansible all -m service -a 'name=origin-node state=stopped'
  1. 在所有节点上重启Openshift SDN服务
$ oc delete pod --all -n openshift-sdn
  1. 在所有节点上重启origin-node服务
$ ansible all -m service -a 'name=origin-node state=started'
  1. 如果是从openshift sdn插件切换到第三方插件,需要清空将openshit sdn的特性
$ oc delete clusternetwork --all
$ oc delete hostsubnets --all
$ oc delete netnamespaces --all
  1. 检查VNIDs
$ oc get netnamespace

Openshift SDN网络插件ovs-multitenant 切换到 ovs-networkpolicy

  1. 下载切换脚本并更改执行权限
$ curl -O https://raw.githubusercontent.com/openshift/origin/master/contrib/migration/migrate-network-policy.sh
$ chmod a+x migrate-network-policy.sh
  1. 执行脚本,openshift使用cluster-admin权限的用户
$ ./migrate-network-policy.sh

Openshift 3.9版本

Openshift SDN网络插件ovs-subnet 与 ovs-multitenant切换

  1. 更改节点上的networkPluginName的配置
$ ansible all -m shell -a 'sed -i "s/openshift-ovs-subnet/openshift-ovs-multitenant/g" /etc/origin/node/node-config.yaml'
$ ansible masters  -m shell -a 'sed -i "s/openshift-ovs-subnet/openshift-ovs-multitenant/g" /etc/origin/master/master-config.yaml'
  1. 重启master节点上的origin-master-api和origin-master-controllers服务
$ ansible masters -m service -a 'name=origin-master-api state=restarted' -f 1
$ ansible masters -m service -a 'name=origin-master-controllers state=restarted' -f 1
  1. 停止节点上的origin-node服务
$ ansible all -m service -a 'name=origin-node state=stopped'
  1. 在所有节点上重启openvswitch服务
$ ansible all -m service -a 'name=openvswitch state=restarted'
  1. 在所有节点上重启origin-node服务
$ ansible all -m service -a 'name=origin-node state=started'
  1. 如果是从openshift sdn插件切换到第三方插件,需要清空将openshit sdn的特性
$ oc delete clusternetwork --all
$ oc delete hostsubnets --all
$ oc delete netnamespaces --all
  1. 检查VNIDs
$ oc get netnamespace

Openshift SDN网络插件ovs-multitenant 切换到 ovs-networkpolicy

  1. 下载切换脚本并更改执行权限
$ curl -O https://raw.githubusercontent.com/openshift/origin/master/contrib/migration/migrate-network-policy.sh
$ chmod a+x migrate-network-policy.sh
  1. 执行脚本,openshift使用cluster-admin权限的用户
$ ./migrate-network-policy.sh
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