Sunday Blog

人生是一场刻意练习

网络插件 Calico 安装

Calico Install

安装 # 直接etcd认证更高性能 curl https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico-etcd.yaml -O # https://docs.projectcalico.org/getting-started/kubernetes/installation/config-options 这里以apiserver认证方式安装 wget https://docs.projectcalico.org/manifests/calico.yaml --no-check-certificate 修改pod网段 vim calico.yaml POD_CIDR="172.16.0.0/12" sed -i 's@# - name: CALICO_IPV4POOL_CIDR@- name: CALICO_IPV4POOL_CIDR@' calico.yaml sed -i 's@# value: "192.168.0.0/16"@ value: '"$POD_CIDR"'@' calico.yaml kubectl apply

Posted by BlueFat on Thursday, January 23, 2020

Kubernetes 污点设置 Master 不可调度

Kubernetes Taint

kubectl taint node [node] key=value[effect] [effect] 可取值: [ NoSchedule | PreferNoSchedule | NoExecute ] NoSchedule: 一定不能被调度 PreferNoSchedule: 尽量不要调度 NoExecute: 不仅不会调度, 还会驱逐Node上已有的Pod # 设置污点 kubectl taint node master node-role.kubernetes.io/master="":NoSchedule # 取消污点

Posted by BlueFat on Wednesday, January 15, 2020

Kubernetes集群备份工具Velero使用

Velero

简介 Velero 是一款可以安全的备份、恢复和迁移 Kubernetes 集群资源和持久卷等资源的备份恢复软件。 Velero 实现的 kubernetes 资源备份能力，可以轻松实现 Kubernetes 集群的数据备份和恢复、复

Posted by BlueFat on Sunday, November 24, 2019