K8S集群基于metrics server的HPA测试
# cat /usr/lib/systemd/system/kube-apiserver.serviceDescription=Kubernetes API Server
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
After=network.target
ExecStart=/usr/local/sbin/kube-apiserver \
--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota \
--advertise-address=192.168.115.5 \
--bind-address=192.168.115.5 \
--insecure-bind-address=127.0.0.1 \
--authorization-mode=Node,RBAC \
--runtime-config=rbac.authorization.k8s.io/v1alpha1 \
--kubelet-https=true \
--enable-bootstrap-token-auth=true \
--token-auth-file=/etc/kubernetes/token.csv \
--service-cluster-ip-range=10.254.0.0/16 \
--service-node-port-range=8400-9000 \
--tls-cert-file=/etc/ssl/kubernetes/kubernetes.pem \
--tls-private-key-file=/etc/ssl/kubernetes/kubernetes-key.pem \
--client-ca-file=/etc/ssl/etcd/ca.pem \
--service-account-key-file=/etc/ssl/etcd/ca-key.pem \
--etcd-cafile=/etc/ssl/etcd/ca.pem \
--etcd-certfile=/etc/ssl/kubernetes/kubernetes.pem \
--etcd-keyfile=/etc/ssl/kubernetes/kubernetes-key.pem \
--etcd-servers=https://192.168.115.5:2379,https://192.168.115.6:2379,https://192.168.115.7:2379 \
--enable-swagger-ui=true \
--allow-privileged=true \
--apiserver-count=3 \
--audit-log-maxage=30 \
--audit-log-maxbackup=3 \
--audit-log-maxsize=100 \
--audit-log-path=/var/lib/audit.log \
--event-ttl=1h \
--requestheader-client-ca-file=/etc/ssl/kubernetes/front-proxy-ca.pem \
--requestheader-allowed-names=aggregator \
--requestheader-extra-headers-prefix=X-Remote-Extra- \
--requestheader-group-headers=X-Remote-Group \
--requestheader-username-headers=X-Remote-User \
--proxy-client-cert-file=/etc/ssl/kubernetes/front-proxy-client.pem \
--proxy-client-key-file=/etc/ssl/kubernetes/front-proxy-client-key.pem \
--runtime-config=api/all=true \
--enable-aggregator-routing=true \
--v=2
Restart=on-failure
RestartSec=5
Type=notify
LimitNOFILE=65536
WantedBy=multi-user.target
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