zoukankan      html  css  js  c++  java
  • 【kubernetes】ubuntu14.04 64位 搭建kubernetes过程

    背景:

    Kubernetes介绍:http://kubernetes.io/docs/getting-started-guides/

    github地址:https://github.com/kubernetes/kubernetes

    在ubuntu上安装文档官方地址:http://kubernetes.io/docs/getting-started-guides/ubuntu/

    环境:

    • Master:
      • Ubunut14.04
      • 192.168.27.135(NAT)         
    • Minion1:
      • Ubuntu14.04
      • 192.168.27.136(NAT) 
    • Minion2:
      • Ubuntu14.04
      • 192.168.27.137(NAT) 

    准备工作:

    需要在三个节点上安装docker和ssh,安装ssh:

    $ sudo apt-get install openssh-server
    $ sudo service ssh start

    安装docker:

    sudo apt-get install docker-engine

    安装Kubernetes:

    1、在Master上,首先创建一个工作目录,执行:

    $ git clone https://github.com/kubernetes/kubernetes.git

    2、下载完后,进入kubernetes目录,修改kubernetes/cluster/ubuntu/config-default.sh文件:

    root@192.168.127.135 root@192.168.27.136 root@192.168.27.137

    3、安装kubernetes:

    $ cd  kubernetes/cluster
    $ KUBERNETES_PROVIDER=ubuntu ./kube-up.sh

    成功安装的截图如下:

    访问页面:

    遇到的各种坑:

    1、重启master节点,如何恢复?

    这个问题弄了我至少3小时才搞定,因为我是准备直接重新执行一遍上面步骤的第三步,也就是再执行一次kube-up.sh,然而我发现每次该脚本都会从github上下载etcd、flanneld和kubernetes包,这个包有1.4G大小,可想而知要耽误多少时间。然后我就只能慢慢找这段脚本在哪执行的,最后发现在kubernetes/cluster/ubuntu/下的download-release.sh,也就是下图中的文件。所以我就把文件的内容改了,改成下面代码中的样子,目的是不让它每次都下。随后呢,我的做法是把第一次成功安装的文件备份一下,也就是把kubernetes/cluster/ubuntu/binaries这个目录备份起来,然后直接拷到重启后的master的对应目录。然后再执行kube-up.sh,之后就OK啦!

    #!/bin/bash
    
    # Copyright 2015 The Kubernetes Authors All rights reserved.
    #
    # Licensed under the Apache License, Version 2.0 (the "License");
    # you may not use this file except in compliance with the License.
    # You may obtain a copy of the License at
    #
    #     http://www.apache.org/licenses/LICENSE-2.0
    #
    # Unless required by applicable law or agreed to in writing, software
    # distributed under the License is distributed on an "AS IS" BASIS,
    # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    # See the License for the specific language governing permissions and
    # limitations under the License.
    
    # Download the etcd, flannel, and K8s binaries automatically and stored in binaries directory
    # Run as root only
    
    # author @resouer @WIZARD-CXY
    set -e
    
    #function cleanup {
      # cleanup work
      #rm -rf flannel* kubernetes* etcd* binaries
    #}
    #trap cleanup SIGHUP SIGINT SIGTERM
    
    pushd $(dirname $0)
    mkdir -p binaries/master
    mkdir -p binaries/minion
    
    # flannel
    FLANNEL_VERSION=${FLANNEL_VERSION:-"0.5.5"}
    echo "Prepare flannel ${FLANNEL_VERSION} release ..."
    grep -q "^${FLANNEL_VERSION}$" binaries/.flannel 2>/dev/null || {
    #  curl -L  https://github.com/coreos/flannel/releases/download/v${FLANNEL_VERSION}/flannel-${FLANNEL_VERSION}-linux-amd64.tar.gz -o flannel.tar.gz
    #  tar xzf flannel.tar.gz
    #  cp flannel-${FLANNEL_VERSION}/flanneld binaries/master
     # cp flannel-${FLANNEL_VERSION}/flanneld binaries/minion
      echo ${FLANNEL_VERSION} > binaries/.flannel
    }
    
    # ectd
    ETCD_VERSION=${ETCD_VERSION:-"2.3.1"}
    ETCD="etcd-v${ETCD_VERSION}-linux-amd64"
    echo "Prepare etcd ${ETCD_VERSION} release ..."
    grep -q "^${ETCD_VERSION}$" binaries/.etcd 2>/dev/null || {
    #  curl -L https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/${ETCD}.tar.gz -o etcd.tar.gz
    #  tar xzf etcd.tar.gz
    #  cp ${ETCD}/etcd ${ETCD}/etcdctl binaries/master
      echo ${ETCD_VERSION} > binaries/.etcd
    }
    
    function get_latest_version_number {
      local -r latest_url="https://storage.googleapis.com/kubernetes-release/release/stable.txt"
      if [[ $(which wget) ]]; then
        wget -qO- ${latest_url}
      elif [[ $(which curl) ]]; then
        curl -Ss ${latest_url}
      else
        echo "Couldn't find curl or wget.  Bailing out." >&2
        exit 4
      fi
    }
    
    KUBE_VERSION=$(get_latest_version_number | sed 's/^v//')
    
    # k8s
    echo "Prepare kubernetes ${KUBE_VERSION} release ..."
    grep -q "^${KUBE_VERSION}$" binaries/.kubernetes 2>/dev/null || {
    #  curl -L https://github.com/kubernetes/kubernetes/releases/download/v${KUBE_VERSION}/kubernetes.tar.gz -o kubernetes.tar.gz
    #  tar xzf kubernetes.tar.gz
    #  pushd kubernetes/server
    #  tar xzf kubernetes-server-linux-amd64.tar.gz
    #  popd
    #  cp kubernetes/server/kubernetes/server/bin/kube-apiserver 
    #     kubernetes/server/kubernetes/server/bin/kube-controller-manager 
    #     kubernetes/server/kubernetes/server/bin/kube-scheduler binaries/master
    #  cp kubernetes/server/kubernetes/server/bin/kubelet 
    #     kubernetes/server/kubernetes/server/bin/kube-proxy binaries/minion
    #  cp kubernetes/server/kubernetes/server/bin/kubectl binaries/
      echo ${KUBE_VERSION} > binaries/.kubernetes
    }
    
    #rm -rf flannel* kubernetes* etcd*
    
    echo "Done! All your binaries locate in kubernetes/cluster/ubuntu/binaries directory"
    popd
  • 相关阅读:
    C#中使用事务
    C#中执行数据库存储过程
    构建ASP.net的AJAX开发环境
    C#开发数据库技巧汇总
    索引的作用及其使用
    C#中的多态性
    C#中调用C++的DLL
    不借助其它变量交换两变量值
    ASP.NET页面间传值的9种方式
    TERSUS无代码开发(笔记11)TERSUS框架学习框架基本信息修改
  • 原文地址:https://www.cnblogs.com/puyangsky/p/5635751.html
Copyright © 2011-2022 走看看