寸_铁

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Rancher高可用安装Harbor、Gitlab、Jenkins、Nexus、Sonar等未完待续_rancher sonar

作者：寸_铁 | 2024-07-19 02:01:10

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rancher sonar

初始化环境：


#!/bin/bash
 
timedatectl set-timezone Asia/Shanghai
gpasswd -a $USER docker
#newgrp docker
 
docker stop $(docker ps -a -q)
docker rm $(docker ps -a -q)
docker system prune -f
docker volume rm $(docker volume ls -q)
docker image rm $(docker image ls -q)
rm -rf /etc/ceph \
       /etc/cni \
       /etc/kubernetes \
       /opt/cni \
       /opt/rke \
       /run/secrets/kubernetes.io \
       /run/calico \
       /run/flannel \
       /var/lib/calico \
       /var/lib/etcd \
       /var/lib/cni \
       /var/lib/kubelet \
       /var/lib/rancher/rke/log \
       /var/log/containers \
       /var/log/pods \
       /var/run/calico
 
echo "
net.bridge.bridge-nf-call-ip6tables=1
net.bridge.bridge-nf-call-iptables=1
net.ipv4.ip_forward=1
net.ipv4.conf.all.forwarding=1
net.ipv4.neigh.default.gc_thresh1=4096
net.ipv4.neigh.default.gc_thresh2=6144
net.ipv4.neigh.default.gc_thresh3=8192
net.ipv4.neigh.default.gc_interval=60
net.ipv4.neigh.default.gc_stale_time=120
# 参考 https://github.com/prometheus/node_exporter#disabled-by-default
kernel.perf_event_paranoid=-1
#sysctls for k8s node config
net.ipv4.tcp_slow_start_after_idle=0
net.core.rmem_max=16777216
fs.inotify.max_user_watches=524288
kernel.softlockup_all_cpu_backtrace=1
kernel.softlockup_panic=0
kernel.watchdog_thresh=30
fs.file-max=2097152
fs.inotify.max_user_instances=8192
fs.inotify.max_queued_events=16384
vm.max_map_count=262144
fs.may_detach_mounts=1
net.core.netdev_max_backlog=16384
net.ipv4.tcp_wmem=4096 12582912 16777216
net.core.wmem_max=16777216
net.core.somaxconn=32768
net.ipv4.ip_forward=1
net.ipv4.tcp_max_syn_backlog=8096
net.ipv4.tcp_rmem=4096 12582912 16777216
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1
net.ipv6.conf.lo.disable_ipv6=1
kernel.yama.ptrace_scope=0
vm.swappiness=0
# 可以控制core文件的文件名中是否添加pid作为扩展。
kernel.core_uses_pid=1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route=0
net.ipv4.conf.all.accept_source_route=0
# Promote secondary addresses when the primary address is removed
net.ipv4.conf.default.promote_secondaries=1
net.ipv4.conf.all.promote_secondaries=1
# Enable hard and soft link protection
fs.protected_hardlinks=1
fs.protected_symlinks=1
# 源路由验证
# see details in https://help.aliyun.com/knowledge_detail/39428.html
net.ipv4.conf.all.rp_filter=0
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.lo.arp_announce=2
net.ipv4.conf.all.arp_announce=2
# see details in https://help.aliyun.com/knowledge_detail/41334.html
net.ipv4.tcp_max_tw_buckets=5000
net.ipv4.tcp_syncookies=1
net.ipv4.tcp_fin_timeout=30
net.ipv4.tcp_synack_retries=2
kernel.sysrq=1
" >> /etc/sysctl.conf
sysctl -p
 
 
cat >> /etc/security/limits.conf <<EOF
* soft nofile 65535
* hard nofile 65536
EOF
 
touch /etc/docker/daemon.json
cat > /etc/docker/daemon.json <<EOF
{
    "log-driver": "json-file",
    "log-opts": {
        "max-size": "100m",
        "max-file": "3"
    },
    "max-concurrent-downloads": 10,
    "max-concurrent-uploads": 10,
    "registry-mirrors": ["https://7bezldxe.mirror.aliyuncs.com"],
    "storage-driver": "overlay2",
    "storage-opts": [
        "overlay2.override_kernel_check=true"
    ]
}
EOF
systemctl daemon-reload && systemctl restart docker

下载必要的工具：


[ec2-user@ip-10-6-217-126 toolket]$ ll
total 66376
-rwxr-xr-x 1 ec2-user ec2-user     1911 Aug 25 14:08 clean.sh
-rw-r--r-- 1 ec2-user ec2-user 12741413 Aug 25 14:07 helm-v3.3.0-linux-amd64.tar.gz
drwxr-xr-x 3 ec2-user ec2-user       20 Mar 25 23:33 kubernetes
-rw-r--r-- 1 ec2-user ec2-user 13231874 Aug 25 14:20 kubernetes-client-linux-amd64.tar.gz
drwxr-xr-x 2 ec2-user ec2-user       50 Aug 12 05:41 linux-amd64
-rw-r--r-- 1 ec2-user ec2-user     8710 Aug 25 14:07 rancher-2.4.5.tgz
-rw-r--r-- 1 ec2-user ec2-user     7447 Aug 25 14:07 rancher-cluster.yml
-rwxr-xr-x 1 ec2-user ec2-user 41966325 Aug 25 14:07 rke_linux-amd64

解压kubectl并拷贝到bin目录：


[ec2-user@ip-10-6-217-126 toolket]$ tar zxvf kubernetes-client-linux-amd64.tar.gz
kubernetes/
kubernetes/client/
kubernetes/client/bin/
kubernetes/client/bin/kubectl
[ec2-user@ip-10-6-217-126 toolket]$ sudo cp kubernetes/client/bin/kubectl /usr/local/bin/
[ec2-user@ip-10-6-217-126 toolket]$ sudo cp rke_linux-amd64 /usr/local/bin/rke
[ec2-user@ip-10-6-217-126 toolket]$ tar zxvf helm-v3.3.0-linux-amd64.tar.gz
linux-amd64/
linux-amd64/README.md
linux-amd64/helm
linux-amd64/LICENSE
[ec2-user@ip-10-6-217-126 toolket]$ sudo cp linux-amd64/helm /usr/local/bin/

如果之前安装过k8s，需要执行clean.sh脚本清理环境：


# 停止服务
  systemctl  disable kubelet.service
  systemctl  disable kube-scheduler.service
  systemctl  disable kube-proxy.service
  systemctl  disable kube-controller-manager.service
  systemctl  disable kube-apiserver.service
 
  systemctl  stop kubelet.service
  systemctl  stop kube-scheduler.service
  systemctl  stop kube-proxy.service
  systemctl  stop kube-controller-manager.service
  systemctl  stop kube-apiserver.service
 
  # 删除所有容器
  docker rm -f $(docker ps -qa)
 
  # 删除所有容器卷
  docker volume rm $(docker volume ls -q)
 
  # 卸载mount目录
  for mount in $(mount | grep tmpfs | grep '/var/lib/kubelet' | awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher; do umount $mount; done
 
  # 备份目录
  mv /etc/kubernetes /etc/kubernetes-bak-$(date +"%Y%m%d%H%M")
  mv /var/lib/etcd /var/lib/etcd-bak-$(date +"%Y%m%d%H%M")
  mv /var/lib/rancher /var/lib/rancher-bak-$(date +"%Y%m%d%H%M")
  mv /opt/rke /opt/rke-bak-$(date +"%Y%m%d%H%M")
 
  # 删除残留路径
  rm -rf /etc/ceph \
       /etc/cni \
       /opt/cni \
       /run/secrets/kubernetes.io \
       /run/calico \
       /run/flannel \
       /var/lib/calico \
       /var/lib/cni \
       /var/lib/kubelet \
       /var/log/containers \
       /var/log/pods \
       /var/run/calico
 
  # 清理网络接口
  network_interface=`ls /sys/class/net`
  for net_inter in $network_interface;
  do
    if ! echo $net_inter | grep -qiE 'lo|docker0|eth*|ens*';then
      ip link delete $net_inter
    fi
  done
 
  # 清理残留进程
  port_list='80 443 6443 2376 2379 2380 8472 9099 10250 10254'
 
  for port in $port_list
  do
    pid=`netstat -atlnup|grep $port |awk '{print $7}'|awk -F '/' '{print $1}'|grep -v -|sort -rnk2|uniq`
    if [[ -n $pid ]];then
      kill -9 $pid
    fi
  done
 
  pro_pid=`ps -ef |grep -v grep |grep kube|awk '{print $2}'`
 
  if [[ -n $pro_pid ]];then
    kill -9 $pro_pid
  fi

生成ssh key:


[ec2-user@ip-10-6-217-126 toolket]$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/ec2-user/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/ec2-user/.ssh/id_rsa.
Your public key has been saved in /home/ec2-user/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:dUw+9uau7x+Nhof+r3V0Nay0ChufZNRF9M5eLd4KcBM ec2-user@ip-10-6-217-126.cn-northwest-1.compute.internal
The key's randomart image is:
+---[RSA 2048]----+
|            . o+ |
|           +. o .|
|          ..Eo oo|
|         ..o.+oo+|
|        So.ooo+ B|
|          BooB *+|
|         . ++ *.*|
|           . = oo|
|            o=B+o|
+----[SHA256]-----+

编辑.ssh/authorized_keys文件，添加.ssh/id_rsa.pub公钥内容：

[ec2-user@ip-10-6-217-126 ~]$ vim .ssh/authorized_keys

编辑rancher-cluster.yml文件，用于安装RKE集群，可以单节点安装：


nodes:
  - address: 10.6.217.126
    user: ec2-user
    role: [controlplane, worker, etcd]
 
services:
  etcd:
    # 开启自动备份
    ## rke版本大于等于0.2.x或rancher版本大于等于v2.2.0时使用
    backup_config:
      enabled: true # 设置true启用ETCD自动备份，设置false禁用；
      interval_hours: 12 # 快照创建间隔时间，不加此参数，默认5分钟；
      retention: 3 # etcd备份保留份数；
 
services:
  kube-api:
    extra_args:
      watch-cache: true
      default-watch-cache-size: 1500
      # 事件保留时间，默认1小时
      event-ttl: 1h0m0s
      # 默认值400，设置0为不限制，一般来说，每25~30个Pod有15个并行
      max-requests-inflight: 800
      # 默认值200，设置0为不限制
      max-mutating-requests-inflight: 400
      # kubelet操作超时，默认5s
      kubelet-timeout: 5s
 
services:
  kube-controller:
    extra_args:
      # 修改每个节点子网大小(cidr掩码长度)，默认为24，可用IP为254个；23，可用IP为510个；22，可用IP为1022个；
      node-cidr-mask-size: "24"
 
      feature-gates: "TaintBasedEvictions=false"
      # 控制器定时与节点通信以检查通信是否正常，周期默认5s
      node-monitor-period: "5s"
      ## 当节点通信失败后，再等一段时间kubernetes判定节点为notready状态。
      ## 这个时间段必须是kubelet的nodeStatusUpdateFrequency(默认10s)的整数倍，
      ## 其中N表示允许kubelet同步节点状态的重试次数，默认40s。
      node-monitor-grace-period: "20s"
      ## 再持续通信失败一段时间后，kubernetes判定节点为unhealthy状态，默认1m0s。
      node-startup-grace-period: "30s"
      ## 再持续失联一段时间，kubernetes开始迁移失联节点的Pod，默认5m0s。
      pod-eviction-timeout: "1m"
 
      # 默认5. 同时同步的deployment的数量。
      concurrent-deployment-syncs: 5
      # 默认5. 同时同步的endpoint的数量。
      concurrent-endpoint-syncs: 5
      # 默认20. 同时同步的垃圾收集器工作器的数量。
      concurrent-gc-syncs: 20
      # 默认10. 同时同步的命名空间的数量。
      concurrent-namespace-syncs: 10
      # 默认5. 同时同步的副本集的数量。
      concurrent-replicaset-syncs: 5
      # 默认5m0s. 同时同步的资源配额数。（新版本中已弃用）
      # concurrent-resource-quota-syncs: 5m0s
      # 默认1. 同时同步的服务数。
      concurrent-service-syncs: 1
      # 默认5. 同时同步的服务帐户令牌数。
      concurrent-serviceaccount-token-syncs: 5
      # 默认30s. 同步deployment的周期。
      deployment-controller-sync-period: 30s
      # 默认15s。同步PV和PVC的周期。
      pvclaimbinder-sync-period: 15s
 
services:
  kubelet:
    extra_args:
      feature-gates: "TaintBasedEvictions=false"
      # 指定pause镜像
      pod-infra-container-image: "rancher/pause:3.1"
      # 传递给网络插件的MTU值，以覆盖默认值，设置为0(零)则使用默认的1460
      network-plugin-mtu: "1500"
      # 修改节点最大Pod数量
      max-pods: "250"
      # 密文和配置映射同步时间，默认1分钟
      sync-frequency: "3s"
      # Kubelet进程可以打开的文件数（默认1000000）,根据节点配置情况调整
      max-open-files: "2000000"
      # 与apiserver会话时的并发数，默认是10
      kube-api-burst: "30"
      # 与apiserver会话时的 QPS,默认是5，QPS = 并发量/平均响应时间
      kube-api-qps: "15"
      # kubelet默认一次拉取一个镜像，设置为false可以同时拉取多个镜像，
      # 前提是存储驱动要为overlay2，对应的Dokcer也需要增加下载并发数，参考[docker配置](/rancher2x/install-prepare/best-practices/docker/)
      serialize-image-pulls: "false"
      # 拉取镜像的最大并发数，registry-burst不能超过registry-qps。
      # 仅当registry-qps大于0(零)时生效，(默认10)。如果registry-qps为0则不限制(默认5)。
      registry-burst: "10"
      registry-qps: "0"
      cgroups-per-qos: "true"
      cgroup-driver: "cgroupfs"
 
      # 节点资源预留
      enforce-node-allocatable: "pods"
      system-reserved: "cpu=0.25,memory=200Mi"
      kube-reserved: "cpu=0.25,memory=1500Mi"
 
      # POD驱逐，这个参数只支持内存和磁盘。
      ## 硬驱逐阈值
      ### 当节点上的可用资源降至保留值以下时，就会触发强制驱逐。强制驱逐会强制kill掉POD，不会等POD自动退出。
      eviction-hard: "memory.available<300Mi,nodefs.available<10%,imagefs.available<15%,nodefs.inodesFree<5%"
      ## 软驱逐阈值
      ### 以下四个参数配套使用，当节点上的可用资源少于这个值时但大于硬驱逐阈值时候，会等待eviction-soft-grace-period设置的时长；
      ### 等待中每10s检查一次，当最后一次检查还触发了软驱逐阈值就会开始驱逐，驱逐不会直接Kill POD，先发送停止信号给POD，然后等待eviction-max-pod-grace-period设置的时长；
      ### 在eviction-max-pod-grace-period时长之后，如果POD还未退出则发送强制kill POD"
      eviction-soft: "memory.available<500Mi,nodefs.available<50%,imagefs.available<50%,nodefs.inodesFree<10%"
      eviction-soft-grace-period: "memory.available=1m30s,nodefs.available=1m30s,imagefs.available=1m30s,nodefs.inodesFree=1m30s"
      eviction-max-pod-grace-period: "30"
      eviction-pressure-transition-period: "30s"
      # 指定kubelet多长时间向master发布一次节点状态。注意: 它必须与kube-controller中的nodeMonitorGracePeriod一起协调工作。(默认 10s)
      node-status-update-frequency: 10s
      # 设置cAdvisor全局的采集行为的时间间隔，主要通过内核事件来发现新容器的产生。默认1m0s
      global-housekeeping-interval: 1m0s
      # 每个已发现的容器的数据采集频率。默认10s
      housekeeping-interval: 10s
      # 所有运行时请求的超时，除了长时间运行的 pull, logs, exec and attach。超时后，kubelet将取消请求，抛出错误，然后重试。(默认2m0s)
      runtime-request-timeout: 2m0s
      # 指定kubelet计算和缓存所有pod和卷的卷磁盘使用量的间隔。默认为1m0s
      volume-stats-agg-period: 1m0s
    # 可以选择定义额外的卷绑定到服务
    extra_binds:
      - "/usr/libexec/kubernetes/kubelet-plugins:/usr/libexec/kubernetes/kubelet-plugins"
      - "/etc/iscsi:/etc/iscsi"
      - "/sbin/iscsiadm:/sbin/iscsiadm"
services:
  kubeproxy:
    extra_args:
      # 默认使用iptables进行数据转发，如果要启用ipvs，则此处设置为`ipvs`，一并添加下面的`extra_binds`
      proxy-mode: ""
      # 与kubernetes apiserver通信并发数,默认10;
      kube-api-burst: 20
      # 与kubernetes apiserver通信时使用QPS，默认值5，QPS=并发量/平均响应时间
      kube-api-qps: 10
    extra_binds:
      - "/lib/modules:/lib/modules"
services:
  scheduler:
    extra_args:
      kube-api-burst:
    extra_binds: []
    extra_env: []
# 当使用外部 TLS 终止，并且使用 ingress-nginx v0.22或以上版本时，必须。
ingress:
  provider: nginx
  options:
    use-forwarded-headers: "true"

简洁配置：


nodes:
  - address: 10.6.217.126
    user: ec2-user
    role: [controlplane, worker, etcd]
 
services:
  etcd:
    # 开启自动备份
    ## rke版本大于等于0.2.x或rancher版本大于等于v2.2.0时使用
    backup_config:
      enabled: true # 设置true启用ETCD自动备份，设置false禁用；
      interval_hours: 12 # 快照创建间隔时间，不加此参数，默认5分钟；
      retention: 3 # etcd备份保留份数；
 
 
# 当使用外部 TLS 终止，并且使用 ingress-nginx v0.22或以上版本时，必须。
ingress:
  provider: nginx
  options:
    use-forwarded-headers: "true"

安装RKE：


[ec2-user@ip-10-6-217-126 toolket]$ rke up --config ./rancher-cluster.yml
INFO[0000] Running RKE version: v1.1.4
INFO[0000] Initiating Kubernetes cluster
INFO[0000] [dialer] Setup tunnel for host [10.6.217.126]
INFO[0000] Checking if container [cluster-state-deployer] is running on host [10.6.217.126], try #1
INFO[0000] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0000] Starting container [cluster-state-deployer] on host [10.6.217.126], try #1
INFO[0000] [state] Successfully started [cluster-state-deployer] container on host [10.6.217.126]
INFO[0000] [certificates] Generating CA kubernetes certificates
INFO[0000] [certificates] Generating Kubernetes API server aggregation layer requestheader client CA certificates
INFO[0001] [certificates] GenerateServingCertificate is disabled, checking if there are unused kubelet certificates
INFO[0001] [certificates] Generating Kubernetes API server certificates
INFO[0001] [certificates] Generating Service account token key
INFO[0001] [certificates] Generating Kube Controller certificates
INFO[0001] [certificates] Generating Kube Scheduler certificates
INFO[0001] [certificates] Generating Kube Proxy certificates
INFO[0001] [certificates] Generating Node certificate
INFO[0001] [certificates] Generating admin certificates and kubeconfig
INFO[0002] [certificates] Generating Kubernetes API server proxy client certificates
INFO[0002] [certificates] Generating kube-etcd-10-6-217-126 certificate and key
INFO[0002] Successfully Deployed state file at [./rancher-cluster.rkestate]
INFO[0002] Building Kubernetes cluster
INFO[0002] [dialer] Setup tunnel for host [10.6.217.126]
INFO[0002] [network] Deploying port listener containers
INFO[0002] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0002] Starting container [rke-etcd-port-listener] on host [10.6.217.126], try #1
INFO[0003] [network] Successfully started [rke-etcd-port-listener] container on host [10.6.217.126]
INFO[0003] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0003] Starting container [rke-cp-port-listener] on host [10.6.217.126], try #1
INFO[0004] [network] Successfully started [rke-cp-port-listener] container on host [10.6.217.126]
INFO[0004] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0004] Starting container [rke-worker-port-listener] on host [10.6.217.126], try #1
INFO[0005] [network] Successfully started [rke-worker-port-listener] container on host [10.6.217.126]
INFO[0005] [network] Port listener containers deployed successfully
INFO[0005] [network] Running control plane -> etcd port checks
INFO[0005] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0005] Starting container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0005] [network] Successfully started [rke-port-checker] container on host [10.6.217.126]
INFO[0006] Removing container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0006] [network] Running control plane -> worker port checks
INFO[0006] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0006] Starting container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0006] [network] Successfully started [rke-port-checker] container on host [10.6.217.126]
INFO[0006] Removing container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0006] [network] Running workers -> control plane port checks
INFO[0006] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0006] Starting container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0007] [network] Successfully started [rke-port-checker] container on host [10.6.217.126]
INFO[0007] Removing container [rke-port-checker] on host [10.6.217.126], try #1
INFO[0007] [network] Checking KubeAPI port Control Plane hosts
INFO[0007] [network] Removing port listener containers
INFO[0007] Removing container [rke-etcd-port-listener] on host [10.6.217.126], try #1
INFO[0007] [remove/rke-etcd-port-listener] Successfully removed container on host [10.6.217.126]
INFO[0007] Removing container [rke-cp-port-listener] on host [10.6.217.126], try #1
INFO[0007] [remove/rke-cp-port-listener] Successfully removed container on host [10.6.217.126]
INFO[0007] Removing container [rke-worker-port-listener] on host [10.6.217.126], try #1
INFO[0008] [remove/rke-worker-port-listener] Successfully removed container on host [10.6.217.126]
INFO[0008] [network] Port listener containers removed successfully
INFO[0008] [certificates] Deploying kubernetes certificates to Cluster nodes
INFO[0008] Checking if container [cert-deployer] is running on host [10.6.217.126], try #1
INFO[0008] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0008] Starting container [cert-deployer] on host [10.6.217.126], try #1
INFO[0008] Checking if container [cert-deployer] is running on host [10.6.217.126], try #1
INFO[0013] Checking if container [cert-deployer] is running on host [10.6.217.126], try #1
INFO[0013] Removing container [cert-deployer] on host [10.6.217.126], try #1
INFO[0013] [reconcile] Rebuilding and updating local kube config
INFO[0013] Successfully Deployed local admin kubeconfig at [./kube_config_rancher-cluster.yml]
INFO[0013] [certificates] Successfully deployed kubernetes certificates to Cluster nodes
INFO[0013] [file-deploy] Deploying file [/etc/kubernetes/audit-policy.yaml] to node [10.6.217.126]
INFO[0013] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0014] Starting container [file-deployer] on host [10.6.217.126], try #1
INFO[0014] Successfully started [file-deployer] container on host [10.6.217.126]
INFO[0014] Waiting for [file-deployer] container to exit on host [10.6.217.126]
INFO[0014] Waiting for [file-deployer] container to exit on host [10.6.217.126]
INFO[0014] Container [file-deployer] is still running on host [10.6.217.126]
INFO[0015] Waiting for [file-deployer] container to exit on host [10.6.217.126]
INFO[0015] Removing container [file-deployer] on host [10.6.217.126], try #1
INFO[0015] [remove/file-deployer] Successfully removed container on host [10.6.217.126]
INFO[0015] [/etc/kubernetes/audit-policy.yaml] Successfully deployed audit policy file to Cluster control nodes
INFO[0015] [reconcile] Reconciling cluster state
INFO[0015] [reconcile] This is newly generated cluster
INFO[0015] Pre-pulling kubernetes images
INFO[0015] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0015] Kubernetes images pulled successfully
INFO[0015] [etcd] Building up etcd plane..
INFO[0015] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0015] Starting container [etcd-fix-perm] on host [10.6.217.126], try #1
INFO[0016] Successfully started [etcd-fix-perm] container on host [10.6.217.126]
INFO[0016] Waiting for [etcd-fix-perm] container to exit on host [10.6.217.126]
INFO[0016] Waiting for [etcd-fix-perm] container to exit on host [10.6.217.126]
INFO[0016] Container [etcd-fix-perm] is still running on host [10.6.217.126]
INFO[0017] Waiting for [etcd-fix-perm] container to exit on host [10.6.217.126]
INFO[0017] Removing container [etcd-fix-perm] on host [10.6.217.126], try #1
INFO[0017] [remove/etcd-fix-perm] Successfully removed container on host [10.6.217.126]
INFO[0017] Image [rancher/coreos-etcd:v3.4.3-rancher1] exists on host [10.6.217.126]
INFO[0017] Starting container [etcd] on host [10.6.217.126], try #1
INFO[0018] [etcd] Successfully started [etcd] container on host [10.6.217.126]
INFO[0018] [etcd] Running rolling snapshot container [etcd-snapshot-once] on host [10.6.217.126]
INFO[0018] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0018] Starting container [etcd-rolling-snapshots] on host [10.6.217.126], try #1
INFO[0018] [etcd] Successfully started [etcd-rolling-snapshots] container on host [10.6.217.126]
INFO[0023] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0023] Starting container [rke-bundle-cert] on host [10.6.217.126], try #1
INFO[0024] [certificates] Successfully started [rke-bundle-cert] container on host [10.6.217.126]
INFO[0024] Waiting for [rke-bundle-cert] container to exit on host [10.6.217.126]
INFO[0024] Container [rke-bundle-cert] is still running on host [10.6.217.126]
INFO[0025] Waiting for [rke-bundle-cert] container to exit on host [10.6.217.126]
INFO[0025] [certificates] successfully saved certificate bundle [/opt/rke/etcd-snapshots//pki.bundle.tar.gz] on host [10.6.217.126]
INFO[0025] Removing container [rke-bundle-cert] on host [10.6.217.126], try #1
INFO[0025] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0025] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0026] [etcd] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0026] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0026] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0026] [etcd] Successfully started etcd plane.. Checking etcd cluster health
INFO[0026] [controlplane] Building up Controller Plane..
INFO[0026] Checking if container [service-sidekick] is running on host [10.6.217.126], try #1
INFO[0026] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0026] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0026] Starting container [kube-apiserver] on host [10.6.217.126], try #1
INFO[0027] [controlplane] Successfully started [kube-apiserver] container on host [10.6.217.126]
INFO[0027] [healthcheck] Start Healthcheck on service [kube-apiserver] on host [10.6.217.126]
INFO[0035] [healthcheck] service [kube-apiserver] on host [10.6.217.126] is healthy
INFO[0035] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0035] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0036] [controlplane] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0036] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0036] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0036] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0036] Starting container [kube-controller-manager] on host [10.6.217.126], try #1
INFO[0037] [controlplane] Successfully started [kube-controller-manager] container on host [10.6.217.126]
INFO[0037] [healthcheck] Start Healthcheck on service [kube-controller-manager] on host [10.6.217.126]
INFO[0042] [healthcheck] service [kube-controller-manager] on host [10.6.217.126] is healthy
INFO[0042] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0042] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0042] [controlplane] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0042] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0043] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0043] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0043] Starting container [kube-scheduler] on host [10.6.217.126], try #1
INFO[0043] [controlplane] Successfully started [kube-scheduler] container on host [10.6.217.126]
INFO[0043] [healthcheck] Start Healthcheck on service [kube-scheduler] on host [10.6.217.126]
INFO[0048] [healthcheck] service [kube-scheduler] on host [10.6.217.126] is healthy
INFO[0048] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0049] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0049] [controlplane] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0049] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0049] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0049] [controlplane] Successfully started Controller Plane..
INFO[0049] [authz] Creating rke-job-deployer ServiceAccount
INFO[0049] [authz] rke-job-deployer ServiceAccount created successfully
INFO[0049] [authz] Creating system:node ClusterRoleBinding
INFO[0049] [authz] system:node ClusterRoleBinding created successfully
INFO[0049] [authz] Creating kube-apiserver proxy ClusterRole and ClusterRoleBinding
INFO[0049] [authz] kube-apiserver proxy ClusterRole and ClusterRoleBinding created successfully
INFO[0049] Successfully Deployed state file at [./rancher-cluster.rkestate]
INFO[0049] [state] Saving full cluster state to Kubernetes
INFO[0049] [state] Successfully Saved full cluster state to Kubernetes ConfigMap: full-cluster-state
INFO[0049] [worker] Building up Worker Plane..
INFO[0049] Checking if container [service-sidekick] is running on host [10.6.217.126], try #1
INFO[0049] [sidekick] Sidekick container already created on host [10.6.217.126]
INFO[0049] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0049] Starting container [kubelet] on host [10.6.217.126], try #1
INFO[0050] [worker] Successfully started [kubelet] container on host [10.6.217.126]
INFO[0050] [healthcheck] Start Healthcheck on service [kubelet] on host [10.6.217.126]
INFO[0055] [healthcheck] service [kubelet] on host [10.6.217.126] is healthy
INFO[0055] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0055] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0055] [worker] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0055] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0056] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0056] Image [rancher/hyperkube:v1.18.6-rancher1] exists on host [10.6.217.126]
INFO[0056] Starting container [kube-proxy] on host [10.6.217.126], try #1
INFO[0056] [worker] Successfully started [kube-proxy] container on host [10.6.217.126]
INFO[0056] [healthcheck] Start Healthcheck on service [kube-proxy] on host [10.6.217.126]
INFO[0056] [healthcheck] service [kube-proxy] on host [10.6.217.126] is healthy
INFO[0056] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0056] Starting container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0057] [worker] Successfully started [rke-log-linker] container on host [10.6.217.126]
INFO[0057] Removing container [rke-log-linker] on host [10.6.217.126], try #1
INFO[0057] [remove/rke-log-linker] Successfully removed container on host [10.6.217.126]
INFO[0057] [worker] Successfully started Worker Plane..
INFO[0057] Image [rancher/rke-tools:v0.1.59] exists on host [10.6.217.126]
INFO[0057] Starting container [rke-log-cleaner] on host [10.6.217.126], try #1
INFO[0058] [cleanup] Successfully started [rke-log-cleaner] container on host [10.6.217.126]
INFO[0058] Removing container [rke-log-cleaner] on host [10.6.217.126], try #1
INFO[0058] [remove/rke-log-cleaner] Successfully removed container on host [10.6.217.126]
INFO[0058] [sync] Syncing nodes Labels and Taints
INFO[0058] [sync] Successfully synced nodes Labels and Taints
INFO[0058] [network] Setting up network plugin: canal
INFO[0058] [addons] Saving ConfigMap for addon rke-network-plugin to Kubernetes
INFO[0058] [addons] Successfully saved ConfigMap for addon rke-network-plugin to Kubernetes
INFO[0058] [addons] Executing deploy job rke-network-plugin
INFO[0078] [addons] Setting up coredns
INFO[0078] [addons] Saving ConfigMap for addon rke-coredns-addon to Kubernetes
INFO[0078] [addons] Successfully saved ConfigMap for addon rke-coredns-addon to Kubernetes
INFO[0078] [addons] Executing deploy job rke-coredns-addon
INFO[0083] [addons] CoreDNS deployed successfully
INFO[0083] [dns] DNS provider coredns deployed successfully
INFO[0083] [addons] Setting up Metrics Server
INFO[0083] [addons] Saving ConfigMap for addon rke-metrics-addon to Kubernetes
INFO[0083] [addons] Successfully saved ConfigMap for addon rke-metrics-addon to Kubernetes
INFO[0083] [addons] Executing deploy job rke-metrics-addon
INFO[0088] [addons] Metrics Server deployed successfully
INFO[0088] [ingress] Setting up nginx ingress controller
INFO[0088] [addons] Saving ConfigMap for addon rke-ingress-controller to Kubernetes
INFO[0088] [addons] Successfully saved ConfigMap for addon rke-ingress-controller to Kubernetes
INFO[0088] [addons] Executing deploy job rke-ingress-controller
INFO[0093] [ingress] ingress controller nginx deployed successfully
INFO[0093] [addons] Setting up user addons
INFO[0093] [addons] no user addons defined
INFO[0093] Finished building Kubernetes cluster successfully
[ec2-user@ip-10-6-217-126 toolket]$ docker ps
CONTAINER ID        IMAGE                                 COMMAND                  CREATED              STATUS              PORTS               NAMES
183fc321581e        rancher/pause:3.1                     "/pause"                 10 seconds ago       Up 10 seconds                           k8s_POD_nginx-ingress-controller-zptj2_ingress-nginx_6f45cdd8-bf43-4c3c-bac4-0a807ae06264_0
b3a17b94c215        rancher/pause:3.1                     "/pause"                 24 seconds ago       Up 23 seconds                           k8s_POD_canal-hs8gc_kube-system_014f34fe-d5ce-48b9-b2a9-de1a7d62ff98_0
a6dc1c024f7f        rancher/hyperkube:v1.18.6-rancher1    "/opt/rke-tools/entr…"   44 seconds ago       Up 43 seconds                           kube-proxy
72b70d6d69f7        rancher/hyperkube:v1.18.6-rancher1    "/opt/rke-tools/entr…"   50 seconds ago       Up 50 seconds                           kubelet
a4c09ee15b54        rancher/hyperkube:v1.18.6-rancher1    "/opt/rke-tools/entr…"   57 seconds ago       Up 56 seconds                           kube-scheduler
9d0c1c618ba4        rancher/hyperkube:v1.18.6-rancher1    "/opt/rke-tools/entr…"   About a minute ago   Up About a minute                       kube-controller-manager
4559750e14e6        rancher/hyperkube:v1.18.6-rancher1    "/opt/rke-tools/entr…"   About a minute ago   Up About a minute                       kube-apiserver
d5557332a025        rancher/rke-tools:v0.1.59             "/opt/rke-tools/rke-…"   About a minute ago   Up About a minute                       etcd-rolling-snapshots
fa63f04f2550        rancher/coreos-etcd:v3.4.3-rancher1   "/usr/local/bin/etcd…"   About a minute ago   Up About a minute                       etcd

检查安装状态：


[ec2-user@ip-10-6-217-126 toolket]$ cp kube_config_rancher-cluster.yml ~/.kube/config
[ec2-user@ip-10-6-217-126 toolket]$ kubectl get nodes
NAME           STATUS   ROLES                      AGE     VERSION
10.6.217.126   Ready    controlplane,etcd,worker   3m17s   v1.18.6
[ec2-user@ip-10-6-217-126 toolket]$ kubectl get pods --all-namespaces
NAMESPACE       NAME                                      READY   STATUS      RESTARTS   AGE
ingress-nginx   default-http-backend-598b7d7dbd-ch4gt     1/1     Running     0          3m4s
ingress-nginx   nginx-ingress-controller-zptj2            1/1     Running     0          3m4s
kube-system     canal-hs8gc                               2/2     Running     0          3m18s
kube-system     coredns-849545576b-58qdp                  1/1     Running     0          3m14s
kube-system     coredns-autoscaler-5dcd676cbd-qb67v       1/1     Running     0          3m14s
kube-system     metrics-server-697746ff48-6gczh           1/1     Running     0          3m9s
kube-system     rke-coredns-addon-deploy-job-z8gzv        0/1     Completed   0          3m15s
kube-system     rke-ingress-controller-deploy-job-x9nqh   0/1     Completed   0          3m5s
kube-system     rke-metrics-addon-deploy-job-tfxqp        0/1     Completed   0          3m10s
kube-system     rke-network-plugin-deploy-job-dt9sr       0/1     Completed   0          3m35s

将以下文件的副本保存在安全的位置：

rancher-cluster.yml: RKE 集群配置文件。
kube_config_rancher-cluster.yml: 集群的Kubeconfig 文件，此文件包含用于访问集群的凭据。
rancher-cluster.rkestate: Kubernetes 集群状态文件，此文件包含用于完全访问集群的凭据。

添加Helm Chart 仓库：


[ec2-user@ip-10-6-217-126 toolket]$ helm repo add rancher-stable http://rancher-mirror.oss-cn-beijing.aliyuncs.com/server-charts/stable
"rancher-stable" has been added to your repositories

创建Rancher命名空间：


[ec2-user@ip-10-6-217-126 toolket]$ kubectl create namespace cattle-system
namespace/cattle-system created

创建Rancher安装模板，指定域名、外部负载中止SSL：


[ec2-user@ip-10-6-217-126 toolket]$ helm template rancher ./rancher-2.4.5.tgz --output-dir . \
> --namespace cattle-system \
> --set hostname=rancher.example.cn \
> --set tls=external
wrote ./rancher/templates/serviceAccount.yaml
wrote ./rancher/templates/clusterRoleBinding.yaml
wrote ./rancher/templates/service.yaml
wrote ./rancher/templates/deployment.yaml
wrote ./rancher/templates/ingress.yaml

安装Rancher：


[ec2-user@ip-10-6-217-126 toolket]$ kubectl -n cattle-system apply -R -f ./rancher
clusterrolebinding.rbac.authorization.k8s.io/rancher created
deployment.apps/rancher created
ingress.extensions/rancher created
service/rancher created
serviceaccount/rancher created

查看安装进度及状态：


[ec2-user@ip-10-6-217-126 toolket]$ kubectl -n cattle-system rollout status deploy/rancher
Waiting for deployment "rancher" rollout to finish: 0 of 3 updated replicas are available...
Waiting for deployment "rancher" rollout to finish: 1 of 3 updated replicas are available...
Waiting for deployment spec update to be observed...
Waiting for deployment "rancher" rollout to finish: 1 of 3 updated replicas are available...
Waiting for deployment "rancher" rollout to finish: 2 of 3 updated replicas are available...
deployment "rancher" successfully rolled out

安装Gitlab：

gitlab/gitlab-ce:latest

新建数据卷


/var/log/gitlab
/var/opt/gitlab
/etc/gitlab

映射80端口用于外网访问，添加以下参数解决413错误：


metadata:
  annotations:
    nginx.ingress.kubernetes.io/proxy-body-size: 1024m
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "30"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "1800"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "1800"

最好绑定运行主机。

Jenkins安装：

jenkins/jenkins:lts

映射数据卷：

/var/jenkins_home

映射主机docker.sock，需要访问权限：赋权限 sudo chmod o+rw /var/run/docker.sock

/var/run/docker.sock

复制 docker命令到jenkins_home工作目录用于在容器中使用该命令

sudo cp /usr/bin/docker /opt/jenkins-home/tools/hudson.tasks.Maven_MavenInstallation/maven3/bin/docker

复制宿主机的 .docker/config.json授权文件，用于容器内连接私有镜像仓库

sudo cp .docker/config.json /opt/jenkins-home/.docker/config.json

Jenkins配置

1. 环境变量
PATH+EXTRA /var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/maven3/bin
2. 配置JDK
/usr/local/openjdk-8

映射8080端口到公网访问

最好绑定运行主机。

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