安装dns
介绍
Kube-DNS(缓存启用):15k qps
CoreDNS(缓存启用):8k qps
Kube-DNS(禁用缓存):7k qps
CoreDNS(禁用缓存):5k qps安装kube-dns
$ git clone https://github.com/kubernetes/kubernetes kubernetes-repo替换配置文件
cd kubernetes-repo/cluster/addons/dns
DNSDOMAIN=cluster.local
DNSSERVERIP=10.254.0.2
SERVICECLUSTERIPRANGE=10.254.0.0/16
sed -i "s#\$DNS_DOMAIN#$DNSDOMAIN#g" *.yaml.sed
sed -i "s#\$DNS_SERVER_IP#$DNSSERVERIP#g" *.yaml.sed
sed -i "s#\$SERVICE_CLUSTER_IP_RANGE#$SERVICECLUSTERIPRANGE#g" *.yaml.sed安装kube-dns
配置kube-dns上游dns和子域
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