Vagrant下载

  • Vagrant实质上就是命令行版的virtualbox,它依赖VirtualBox
  • 它应用命令行来执行virtualbox的各种操作,进步开发的效率
  • vagrant执行的成绩,也能够在virtualbox上无缝出现。
  • 能够在各种零碎上做各种测试,而无需净化物理主机上运行的零碎
Vagrant与Docker有很多相似之处,又有不少不同。一言蔽之,Vagrant用来治理虚拟机,Docker用来隔离应用环境。https://www.vagrantup.com/downloads.html
vagrant -vVagrant 2.1.1

Centos上装置

wget https://releases.hashicorp.com/vagrant/2.1.2/vagrant_2.1.2_x86_64.rpmyum install -y vagrant_2.1.2_x86_64.rpm

vagrant镜像

vagrant box add 只会下载镜像,并不会立即创立一个虚拟机

vagrant box list/add/remove

vagrant虚拟机

CLI列表

https://www.vagrantup.com/doc...

1. 创立centos7零碎

#会生成一个Vagrantfile文件vagrant init centos/7#基于Vagrantfile配置文件,创立启动centos7vagrant up#进入启动实现的centos7零碎vagrant ssh
如果须要应用vagrant创立其余零碎,能够拜访 https://app.vagrantup.com/box...,查看所有的零碎列表

如果谋求稳定版,能够优先应用 https://app.vagrantup.com/bento

2. 查看centos7状态

vagrant statusCurrent machine states:default running (virtualbox)The VM is running. To stop this VM, you can run `vagrant halt` toshut it down forcefully, or you can run `vagrant suspend` to simplysuspend the virtual machine. In either case, to restart it again,simply run `vagrant up`.

3. 关机

vagrant halt

4. 重启

vagrant reload默认状况下会更新Vagrantfile文件中除了config.vm.provision配置以外的配置,而后重启零碎。
应用--provision选项,会强制更新config.vm.provision配置

vagrant reload

5. 批改root为进入零碎的默认用户

默认状况下,咱们是应用用户名为vagrant、明码为vagrant的账号登陆的。然而在执行命令前不加sudo就经常会导致权限问题。因而能够通过如下形式,将默认账号改为root:

明码形式登陆

先应用vagrant账号登陆进零碎,而后su -切换成root用户,root用户的明码默认为vagrant

批改/etc/ssh/sshd_config文件,批改为或增加如下配置,而后 systemctl reload sshd 重启sshd服务

如果是明码形式登陆:

PermitRootLogin yesPasswordAuthentication yes

如果是证书形式登陆:

PermitRootLogin yesPubkeyAuthentication yes

最初编辑Vagrantfile文件,增加如下配置,vagrant reload后从新vagrant ssh即可

如果是明码形式登陆:

config.ssh.username = 'root'config.ssh.password = 'vagrant'

如果是证书形式登陆:

config.ssh.username= "root"config.ssh.private_key_path="~/.ssh/id_rsa"

private_key_path如果不显示申明的话,vagrant就会报错:

Authentication failure. Retrying...
PHPStorm目前并不反对Vagrant文件的语法高亮。应用IntelliJ关上我的项目,而后装置一个ruby插件,就能够实现语法高亮了

vagrant实战

  • 打造一个自定义的vagrant
  • 配置好lamp和lnmp环境
  • 可能运行YII2、Laravel、ThinkPHP

1. 初始化启动虚拟机

vagrant默认的root明码为vagrant,为了便于记忆,咱们将虚拟机中的各个软件的明码都设置为vagrant

2. 软件装置

  • nginx
  • mysql
  • php

3. 高级常识

  • 端口转发,实现宿主机与虚拟机端口的映射,要求宿主机的端口设置必须大于1024

依照如下配置,咱们即可在宿主机上通过8080端口,去拜访虚拟机中80端口的内容

  config.vm.network "forwarded_port", guest: 80, host: 8080
  • 共享目录,能够实现代码和资源文件的同步

4. 打包散发

打包前须要vagrant halt虚拟机,留神打包文件的输入目录肯定不要放在vagrant数据同步的目录内,起因你懂的。。。

vagrant package --output xxx.boxvagrant package --output xxx.box --base 虚拟机名称

如果咱们给他人了1.0版本的box,而后又散发了一个2.0的box,老用户想降级的话,此时能够由发行者在Vagrantfile文件的shell局部编写降级脚本.

如果咱们通过sudo vagrant up创立了一个vm,然而应用vagrant status来读取vmzhuang tai

The VirtualBox VM was created with a user that doesn't match thecurrent user running Vagrant. VirtualBox requires that the same userbe used to manage the VM that was created. Please re-run Vagrant withthat user. This is not a Vagrant issue.The UID used to create the VM was: 502Your UID is: 501

他人拿到打包的.box文件,应用如下命令即可应用了

vagrant init siguoya.boxvagrant up

5. 罕用配置

Vagrant.configure("2") do |config|  # https://docs.vagrantup.com.  config.vm.box = "centos/7"  config.vm.hostname = "centos"  config.vm.box_check_update = false  config.disksize.size = "60GB"  # config.vm.network "forwarded_port", guest: 80, host: 8080  # 配置private_network的益处:  # - 不须要配端口转发,冲破端口转发宿主机端口设置不能小于1024的问题  # - 能够应用nfs进行文件同步,避免出现文件类型不统一的问题  # 记得不要和宿主机所在的网段抵触,例如我的宿主机为192.168.88.66,而后将ip设成192.168.88.168的时候就导致虚拟机无奈启动了  # 设置auto_config为true,是为了打包散发他人的时候,防止公有ip导致的问题,保障可能失常应用  config.vm.network "private_network", ip: "192.168.33.10", auto_config: true  #因为VM的bug,须要将nginx的sendfile设置为false,不然可能会导致代码不能立刻失效  #10.15 以前 config.vm.synced_folder "/usr/project/code", "/usr/project/code", :nfs => true  config.vm.synced_folder "/System/Volumes/Data/usr/local/coding/code", "/usr/local/coding/code", type: "nfs" , nfs_version: 3, nfs_udp: false  #因为虚拟机内外文件系统不统一,vagrant默认的文件夹同步会报错,因而通过如下形式进行禁止  config.vm.synced_folder ".", "/vagrant", :disabled => true  config.vm.provider "virtualbox" do |vb|    vb.name = "vagrant_siguoya"    vb.memory = "2048"    vb.cpus = "2"  endend

配置了nfs同步之后,vagrant up 会要求输出明码,如果不想输出明码,能够 sudo vi /etc/sudoers 增加如下内容:

# VAGRANTCmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/tee -a /etc/exportsCmnd_Alias VAGRANT_NFSD = /sbin/nfsd restartCmnd_Alias VAGRANT_EXPORTS_REMOVE = /usr/bin/sed -E -e /*/ d -ibak /etc/exports%admin ALL=(root) NOPASSWD: VAGRANT_EXPORTS_ADD, VAGRANT_NFSD, VAGRANT_EXPORTS_REMOVE

常见问题

如果/etc/exports的文件内容如下:

# VAGRANT-BEGIN: 501 79c27c9a-9f3f-4ac7-b2b1-fb453217fb92"/usr/project/code" 192.168.33.10 -alldirs -mapall=501:20# VAGRANT-END: 501 79c27c9a-9f3f-4ac7-b2b1-fb453217fb92# VAGRANT-BEGIN: 501 0b26c233-7623-4acd-931a-670b8ecbfcd4"/usr/project/code/zy108830/docker-demo/vagrant-network/labs" 192.168.205.10 -alldirs -mapall=501:20# VAGRANT-END: 501 0b26c233-7623-4acd-931a-670b8ecbfcd4

就会报错:

NFS is reporting that your exports file is invalid. Vagrant does this check before making any changes to the file. Please correct the issues below and execute "vagrant reload":exports:5: /usr/project/code/zy108830/docker-demo/vagrant-network/labs conflicts with existing export /usr/project/code

If you had some previous images/boxes installed in your VirtualBox installation, so there were a few invalid entries in /etc/exports already. So you had to clean up that file and restart your Vagrant box.

sudo rm /etc/exports && sudo touch /etc/exportsvagrant halt && vagrant up --provision