Add vagrant support for pouch (#2168)

* Add vagrant support for pouch

* Move Vagrantfile to top dir.

Signed-off-by: Mark Liu <[email protected]>

VAGRANT.md

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+# Vagrant support for pouch
+
+You can using Vagrant to quickly experience pouch or cross compile on non-linux.
+
+## Requirements
+
+* Vagrant 1.9.x or newer
+* VirtuaBox
+
+## Get started
+
+```bash
+vagrant up
+vagrant ssh -c "sudo -i"
+
+# Start a nginx container with 80
+pouch run -d --name nginx -p 80:80 nginx
+curl http://localhost
+```
+
+## Build pouch with vagrant
+
+```bash
+
+# On MacOS or Linux
+export POUCH_BUILD=true
+vagrant up
+
+# On Windows
+set POUCH_BUILD=true
+vagrant up
+
+# Install compiled pouch binarys for pouch service.
+vagrant ssh -c "sudo -i"
+cd ~/go/src/github.com/alibaba/pouch
+make DEST_DIR=/usr install
+systemctl restart pouch
+pouch version
+```

Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+
+VAGRANTFILE_API_VERSION = "2"
+Vagrant.require_version ">= 1.7.4"
+
+Vagrant.configure("2") do |config|
+  config.vm.define :pouch do |pouch|
+    pouch.vm.hostname = "pouch"
+    pouch.vm.box = "ubuntu/xenial64"
+    pouch.vm.provision "shell", inline: <<-SHELL
+      until apt-get update &> /dev/null; do echo "Waiting apt-get for 3 seconds..."; sleep 3; done
+      apt-get --no-install-recommends install lxcfs
+      apt-get --no-install-recommends install curl apt-transport-https ca-certificates software-properties-common
+      curl -fsSL http://mirrors.aliyun.com/opsx/pouch/linux/debian/[email protected] | apt-key add -
+      add-apt-repository "deb http://mirrors.aliyun.com/opsx/pouch/linux/debian/ pouch stable"
+      apt-get update
+      apt-get --no-install-recommends install pouch
+      systemctl enable pouch
+      systemctl start pouch
+      echo "alias docker='pouch'" >> ~/.bashrc
+    SHELL
+
+    if ENV["POUCH_BUILD"] == "true"
+      pouch.vm.provision "shell", inline: <<-SHELL
+        # configring environments for pouch
+        GO_VERSION=1.9.1
+        GOPATH=/root/go
+        apt-get install -y --no-install-recommends build-essential
+        wget --progress=bar:force:noscroll https://dl.google.com/go/go$GO_VERSION.linux-amd64.tar.gz -O /tmp/go$GO_VERSION.linux-amd64.tar.gz
+        tar xf /tmp/go$GO_VERSION.linux-amd64.tar.gz -C /opt/
+        echo "export GOROOT=/opt/go" >> ~/.bashrc
+        echo "export GOPATH=$GOPATH" >> ~/.bashrc
+        cd /usr/bin && find /opt/go/bin -type f | xargs -n1 ln -f -s
+
+        mkdir -p $GOPATH/src/github.com/alibaba
+        ln -s /vagrant $GOPATH/src/github.com/alibaba/pouch
+        cd $GOPATH/src/github.com/alibaba/pouch && make install
+      SHELL
+    end
+  end
+end