这里分类和汇总了欣宸的全部原创(含配套源码):https://github.com/zq2599/blog_demos
作为《kubebuilder实战》系列的开篇,除了前面对kubebuilder的简单说明,还会列出整个实战的通用环境信息,以及涉及到的软件版本,然后再搭建好kubebuilder开发环境,总的来说需要做好以下准备工作,才能顺利开始kubebuilder的开发工作:
如下图,整个实战环境一共由两台电脑组成:
curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
如果您无法访问上述地址,可以在此下载(0积分):https://download.csdn.net/download/boling_cavalry/14925948
mv ./kubectl /usr/local/bin/kubectl
[root@kubebuilder ~]# kubectl get nodes -o wide
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
k8s Ready control-plane,master 33m v1.20.2 192.168.133.211 <none> CentOS Linux 7 (Core) 3.10.0-1160.11.1.el7.x86_64 docker://19.3.13
[root@kubebuilder ~]#
[root@kubebuilder ~]# kubectl get pod --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-7f89b7bc75-fw928 1/1 Running 0 33m
kube-system coredns-7f89b7bc75-tv7tk 1/1 Running 0 33m
kube-system etcd-k8s 1/1 Running 0 33m
kube-system kube-apiserver-k8s 1/1 Running 0 33m
kube-system kube-controller-manager-k8s 1/1 Running 0 33m
kube-system kube-flannel-ds-q9f64 1/1 Running 0 32m
kube-system kube-proxy-clmbf 1/1 Running 0 33m
kube-system kube-scheduler-k8s 1/1 Running 0 33m
yum install unzip tree wget gcc gcc-c++ kernel-devel -y
curl -o install-go.sh \
https://raw.githubusercontent.com/zq2599/blog_demos/master/files/install-go.sh \
&& chmod a+x ./install-go.sh \
&& ./install-go.sh
...
5. create go source file
package main
import "fmt"
func main() {
fmt.Println("Hello world!")
}
6. run hello.go
Hello world!
go1.15.6 install and check finished
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum list docker-ce --showduplicates | sort -r
yum -y install docker-ce-19.03.13
systemctl start docker
systemctl enable docker
[root@kubebuilder ~]# docker version
Client: Docker Engine - Community
Version: 20.10.2
API version: 1.40
Go version: go1.13.15
Git commit: 2291f61
Built: Mon Dec 28 16:17:48 2020
OS/Arch: linux/amd64
Context: default
Experimental: true
Server: Docker Engine - Community
Engine:
Version: 19.03.13
API version: 1.40 (minimum version 1.12)
Go version: go1.13.15
Git commit: 4484c46d9d
Built: Wed Sep 16 17:02:21 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.4.3
GitCommit: 269548fa27e0089a8b8278fc4fc781d7f65a939b
runc:
Version: 1.0.0-rc92
GitCommit: ff819c7e9184c13b7c2607fe6c30ae19403a7aff
docker-init:
Version: 0.18.0
GitCommit: fec3683
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
EOF
systemctl daemon-reload
systemctl restart docker
后面的操作中需要使用kustomize去做配置管理,执行以下命令即可安装:
mkdir -p $GOPATH/bin
cd $GOPATH/bin
GOBIN=$(pwd)/ GO111MODULE=on go get sigs.k8s.io/kustomize/kustomize/v3
os=$(go env GOOS)
arch=$(go env GOARCH)
curl -L https://go.kubebuilder.io/dl/2.3.1/${os}/${arch} | tar -xz -C /tmp/
mv /tmp/kubebuilder_2.3.1_${os}_${arch} /usr/local/kubebuilder
export PATH=$PATH:/usr/local/kubebuilder/bin
[root@kubebuilder ~]# kubebuilder version
Version: version.Version{KubeBuilderVersion:"2.3.1", KubernetesVendor:"1.16.4", GitCommit:"8b53abeb4280186e494b726edf8f54ca7aa64a49", BuildDate:"2020-03-26T16:42:00Z", GoOs:"unknown", GoArch:"unknown"}