TiDB Operator 实践

1yum -y install expect

 1#!/usr/bin/expect 2 3set timeout 4set user_hostname [lindex $argv ] 5set password [lindex $argv ] 6spawn ssh-copy-id $user_hostname 7    expect { 8        "(yes/no)?" 9        {10            send "yes\n"11            expect "*assword:" { send "$password\n"}12        }13        "*assword:"14        {15            send "$password\n"16        }17    }18expect eof

 1ssh-keyscan addedip  >> ~/.ssh/known_hosts 2 3ssh-keygen -t rsa -P '' 4 5for i in 10.0.0.{31,32,33,40,10,20，50}; do  ssh-keyscan $i  >> ~/.ssh/known_hosts ; done 6 7/tmp/autocopy.exp root@addeip 8ssh-copy-id addedip 910/tmp/autocopy.exp root@10.0.0.3111/tmp/autocopy.exp root@10.0.0.3212/tmp/autocopy.exp root@10.0.0.3313/tmp/autocopy.exp root@10.0.0.4014/tmp/autocopy.exp root@10.0.0.1015/tmp/autocopy.exp root@10.0.0.2016/tmp/autocopy.exp root@10.0.0.50

1pip install -r requirements.txt2cp -rfp inventory/sample inventory/mycluster

1# ## Configure 'ip' variable to bind kubernetes services on a 2# ## different ip than the default iface 3# ## We should set etcd_member_name for etcd cluster. The node that is not a etcd member do not need to set the value, or can set the empty string value. 4[all] 5# node1 ansible_host=95.54.0.12  # ip=10.3.0.1 etcd_member_name=etcd1 6# node2 ansible_host=95.54.0.13  # ip=10.3.0.2 etcd_member_name=etcd2 7# node3 ansible_host=95.54.0.14  # ip=10.3.0.3 etcd_member_name=etcd3 8# node4 ansible_host=95.54.0.15  # ip=10.3.0.4 etcd_member_name=etcd4 9# node5 ansible_host=95.54.0.16  # ip=10.3.0.5 etcd_member_name=etcd510# node6 ansible_host=95.54.0.17  # ip=10.3.0.6 etcd_member_name=etcd611etcd1 ansible_host=10.0.0.31 etcd_member_name=etcd112etcd2 ansible_host=10.0.0.32 etcd_member_name=etcd213etcd3 ansible_host=10.0.0.33 etcd_member_name=etcd314master1 ansible_host=10.0.0.4015node1 ansible_host=10.0.0.1016node2 ansible_host=10.0.0.2017node3 ansible_host=10.0.0.501819# ## configure a bastion host if your nodes are not directly reachable20# bastion ansible_host=x.x.x.x ansible_user=some_user2122[kube-master]23# node124# node225master126[etcd]27# node128# node229# node330etcd131etcd232etcd33334[kube-node]35# node236# node337# node438# node539# node640node141node242node34344[k8s-cluster:children]45kube-master46kube-node

 1apt-get install \ 2apt-transport-https \ 3ca-certificates \ 4curl \ 5gnupg-agent \ 6software-properties-common 7 8curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - 910add-apt-repository \11"deb [arch=amd64] https://download.docker.com/linux/ubuntu \12$(lsb_release -cs) \13stable"1415apt-get update1617apt-get install docker-ce docker-ce-cli containerd.io1819chmod +x /usr/local/bin/docker-compose20sudo curl -L "https://github.com/docker/compose/releases/download/1.24.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

1mkdir ~/distribution2vi ~/distribution/docker-compose.yml

 1#  distribute 2version: '2' 3services:     4    distribute: 5        image: nginx:1.15.12 6        volumes: 7            - ./conf.d:/etc/nginx/conf.d 8            - ./distributedfiles:/usr/share/nginx/html 9        network_mode: "host"10        container_name: nginx_distribute 

1mkdir ~/distribution/distributedfiles2mkdir ~/distribution/3mkdir ~/distribution/conf.d4vi ~/distribution/conf.d/open_distribute.conf

 1#open_distribute.conf 2 3server { 4    #server_name distribute.search.leju.com; 5        listen 8888; 6 7    root /usr/share/nginx/html; 8 9    add_header Access-Control-Allow-Origin *;  10    add_header Access-Control-Allow-Headers X-Requested-With;  11    add_header Access-Control-Allow-Methods GET,POST,OPTIONS;  1213    location / {14    #    index index.html;15                autoindex on;        16    }17    expires off;18    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|eot|ttf|woff|woff2|svg)$ {19        expires -1;20    }2122    location ~ .*\.(js|css)?$ {23        expires -1 ;24    }25} # end of public static files domain : [ distribute.search.leju.com ]

1docker-compose up -d

1wget https://storage.googleapis.com/kubernetes-release/release/v1.14.1/bin/linux/amd64/kubeadm23scp /tmp/kubeadm  10.0.0.60:/root/distribution/distributedfiles45wget https://storage.googleapis.com/kubernetes-release/release/v1.14.1/bin/linux/amd64/hyperkube

 1docker pull k8s.gcr.io/cluster-proportional-autoscaler-amd64:1.4.0 2docker tag k8s.gcr.io/cluster-proportional-autoscaler-amd64:1.4.0 jiashiwen/cluster-proportional-autoscaler-amd64:1.4.0 3docker push jiashiwen/cluster-proportional-autoscaler-amd64:1.4.0 4 5docker pull k8s.gcr.io/k8s-dns-node-cache:1.15.1 6docker tag k8s.gcr.io/k8s-dns-node-cache:1.15.1 jiashiwen/k8s-dns-node-cache:1.15.1 7docker push jiashiwen/k8s-dns-node-cache:1.15.1 8 9docker pull gcr.io/google_containers/pause-amd64:3.110docker tag gcr.io/google_containers/pause-amd64:3.1 jiashiwen/pause-amd64:3.111docker push jiashiwen/pause-amd64:3.11213docker pull gcr.io/google_containers/kubernetes-dashboard-amd64:v1.10.114docker tag gcr.io/google_containers/kubernetes-dashboard-amd64:v1.10.1 jiashiwen/kubernetes-dashboard-amd64:v1.10.115docker push jiashiwen/kubernetes-dashboard-amd64:v1.10.11617docker pull gcr.io/google_containers/kube-apiserver:v1.14.118docker tag gcr.io/google_containers/kube-apiserver:v1.14.1 jiashiwen/kube-apiserver:v1.14.119docker push jiashiwen/kube-apiserver:v1.14.12021docker pull gcr.io/google_containers/kube-controller-manager:v1.14.122docker tag gcr.io/google_containers/kube-controller-manager:v1.14.1 jiashiwen/kube-controller-manager:v1.14.123docker push jiashiwen/kube-controller-manager:v1.14.12425docker pull gcr.io/google_containers/kube-scheduler:v1.14.126docker tag gcr.io/google_containers/kube-scheduler:v1.14.1 jiashiwen/kube-scheduler:v1.14.127docker push jiashiwen/kube-scheduler:v1.14.12829docker pull gcr.io/google_containers/kube-proxy:v1.14.130docker tag gcr.io/google_containers/kube-proxy:v1.14.1 jiashiwen/kube-proxy:v1.14.131docker push jiashiwen/kube-proxy:v1.14.13233docker pull gcr.io/google_containers/pause:3.134docker tag gcr.io/google_containers/pause:3.1 jiashiwen/pause:3.135docker push jiashiwen/pause:3.13637docker pull gcr.io/google_containers/coredns:1.3.138docker tag gcr.io/google_containers/coredns:1.3.1 jiashiwen/coredns:1.3.139docker push  jiashiwen/coredns:1.3.1

 1#!/bin/bash 2 3privaterepo=jiashiwen 4 5k8sgcrimages=( 6cluster-proportional-autoscaler-amd64:1.4.0 7k8s-dns-node-cache:1.15.1 8) 910gcrimages=(11pause-amd64:3.112kubernetes-dashboard-amd64:v1.10.113kube-apiserver:v1.14.114kube-controller-manager:v1.14.115kube-scheduler:v1.14.116kube-proxy:v1.14.117pause:3.118coredns:1.3.119)202122for k8sgcrimageName in ${k8sgcrimages[@]} ; do23echo $k8sgcrimageName24docker pull k8s.gcr.io/$k8sgcrimageName25docker tag k8s.gcr.io/$k8sgcrimageName $privaterepo/$k8sgcrimageName26docker push $privaterepo/$k8sgcrimageName27done282930for gcrimageName in ${gcrimages[@]} ; do31echo $gcrimageName32docker pull gcr.io/google_containers/$gcrimageName33docker tag gcr.io/google_containers/$gcrimageName $privaterepo/$gcrimageName34docker push $privaterepo/$gcrimageName35done

1# kube_image_repo: "gcr.io/google-containers"2kube_image_repo: "jiashiwen"

 1#dnsautoscaler_image_repo: "k8s.gcr.io/cluster-proportional-autoscaler-{{   image_arch }}" 2dnsautoscaler_image_repo: "jiashiwen/cluster-proportional-autoscaler-{{   image_arch }}" 3 4#kube_image_repo: "gcr.io/google-containers" 5kube_image_repo: "jiashiwen" 6 7#pod_infra_image_repo: "gcr.io/google_containers/pause-{{ image_arch }}" 8pod_infra_image_repo: "jiashiwen/pause-{{ image_arch }}" 910#dashboard_image_repo: "gcr.io/google_containers/kubernetes-dashboard-{{   image_arch }}"11dashboard_image_repo: "jiashiwen/kubernetes-dashboard-{{ image_arch }}"1213#nodelocaldns_image_repo: "k8s.gcr.io/k8s-dns-node-cache"14nodelocaldns_image_repo: "jiashiwen/k8s-dns-node-cache"1516#kubeadm_download_url: "https://storage.googleapis.com/kubernetes-release/  release/{{ kubeadm_version }}/bin/linux/{{ image_arch }}/kubeadm"17kubeadm_download_url: "http://10.0.0.60:8888/kubeadm"1819#hyperkube_download_url: "https://storage.googleapis.com/  kubernetes-release/release/{{ kube_version }}/bin/linux/{{ image_arch }}/  hyperkube"20hyperkube_download_url: "http://10.0.0.60:8888/hyperkube"

1ansible-playbook -i inventory/mycluster/inventory.ini cluster.yml

1ansible-playbook -i inventory/mycluster/inventory.ini reset.yml

1scp /tmp/kubectl root@xxx:/root

1chmod +x ./kubectl2mv ./kubectl /usr/local/bin/kubectl

1sudo snap install kubectl --classic

1scp 10.0.0.40:/root/.kube/config ~/.kube/config

1kubectl get nodes2kubectl cluster-info

1curl https://raw.githubusercontent.com/helm/helm/master/scripts/get > get_helm.sh2chmod 700 get_helm.sh3./get_helm.sh

1helm version

1helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.13.1 --stable-repo-url https://kubernetes.os

1mkfs.ext4 /dev/vdb2DISK_UUID=$(blkid -s UUID -o value /dev/vdb) 3mkdir /mnt/$DISK_UUID4mount -t ext4 /dev/vdb /mnt/$DISK_UUID

1echo UUID=`sudo blkid -s UUID -o value /dev/vdb` /mnt/$DISK_UUID ext4 defaults 0 2 | sudo tee -a /etc/fstab

1for i in $(seq 1 10); do2sudo mkdir -p /mnt/${DISK_UUID}/vol${i} /mnt/disks/${DISK_UUID}_vol${i}3sudo mount --bind /mnt/${DISK_UUID}/vol${i} /mnt/disks/${DISK_UUID}_vol${i}4done

1for i in $(seq 1 10); do2echo /mnt/${DISK_UUID}/vol${i} /mnt/disks/${DISK_UUID}_vol${i} none bind 0 0 | sudo tee -a /etc/fstab3done

1$ kubectl apply -f https://raw.githubusercontent.com/pingcap/tidb-operator/master/manifests/local-dind/local-volume-provisioner.yaml2$ kubectl get po -n kube-system -l app=local-volume-provisioner3$ kubectl get pv --all-namespaces | grep local-storage 

1scheduler: 2  # With rbac.create=false, the user is responsible for creating this   account 3  # With rbac.create=true, this service account will be created 4  # Also see rbac.create and clusterScoped 5  serviceAccount: tidb-scheduler 6  logLevel: 2 7  replicas: 1 8  schedulerName: tidb-scheduler 9  resources:10    limits:11      cpu: 250m12      memory: 150Mi13    requests:14      cpu: 80m15      memory: 50Mi16  # kubeSchedulerImageName: gcr.io/google-containers/hyperkube17  kubeSchedulerImageName: yourrepo/hyperkube18  # This will default to matching your kubernetes version19  # kubeSchedulerImageTag: latest

1kubectl apply -f https://raw.githubusercontent.com/pingcap/tidb-operator/master/manifests/crd.yaml2kubectl get crd tidbclusters.pingcap.com

1$ git clone https://github.com/pingcap/tidb-operator.git2$ cd tidb-operator3$ helm install charts/tidb-operator --name=tidb-operator   --namespace=tidb-admin4$ kubectl get pods --namespace tidb-admin -l app.kubernetes.io/  instance=tidb-operator

1helm install charts/tidb-cluster --name=demo --namespace=tidb2watch kubectl get pods --namespace tidb -l app.kubernetes.io/instance=demo -o wide

1wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm2yum localinstall mysql80-community-release-el7-3.noarch.rpm -y3yum repolist all | grep mysql4yum-config-manager --disable mysql80-community5yum-config-manager --enable mysql57-community6yum install mysql-community-client

1wget https://dev.mysql.com/get/mysql-apt-config_0.8.13-1_all.deb2dpkg -i mysql-apt-config_0.8.13-1_all.deb3apt update45# 选择MySQL版本6dpkg-reconfigure mysql-apt-config7apt install mysql-client -y

1kubectl get svc --all-namespaces

1# 仅本地访问2kubectl port-forward svc/demo-tidb 4000:4000 --namespace=tidb34# 其他主机访问5kubectl port-forward --address 0.0.0.0 svc/demo-tidb 4000:4000 --namespace=tidb

1mysql -h 127.0.0.1 -P 4000 -u root -D test

1SET PASSWORD FOR 'root'@'%' = 'wD3cLpyO5M'; FLUSH PRIVILEGES;