Use official Docker installer and upgrade for :latest installs

plugins/provisioners/docker/cap/debian/docker_install.rb

@@ -4,26 +4,14 @@ module VagrantPlugins
       module Debian
         module DockerInstall
           def self.docker_install(machine, version)
-            package = 'lxc-docker'
+            package = 'docker-engine'
             package << "-#{version}" if version != :latest
 
             machine.communicate.tap do |comm|
               comm.sudo("apt-get update -y")
-              # TODO: Perform check on the host machine if aufs is installed and using LXC
-              if machine.provider_name != :lxc
-                # Attempt to install linux-image-extra for this kernel, if it exists
-                 package_name = "linux-image-extra-`uname -r`"
-                 comm.sudo("lsmod | grep aufs || modprobe aufs || apt-cache show #{package_name} && apt-get install -y #{package_name} || true")
-              end
               comm.sudo("apt-get install -y --force-yes -q curl")
-              comm.sudo("curl -sSL https://get.docker.com/gpg | apt-key add -")
-              comm.sudo("echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list")
-              comm.sudo("apt-get update")
-              comm.sudo("echo lxc lxc/directory string /var/lib/lxc | debconf-set-selections")
-              comm.sudo("apt-get install -y --force-yes -q xz-utils #{package} -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold'")
-
-              # chmod the directory if it exists
-              comm.sudo("chmod 0755 /var/lib/docker")
+              comm.sudo("apt-get purge -y lxc-docker*")
+              comm.sudo("curl -sSL https://get.docker.com/ | sh")
             end
           end
         end

plugins/provisioners/docker/cap/redhat/docker_install.rb

@@ -8,28 +8,32 @@ module VagrantPlugins
               machine.ui.warn(I18n.t("vagrant.docker_install_with_version_not_supported"))
             end
 
+            machine.communicate.tap do |comm|
+              comm.sudo("yum -y update")
+              comm.sudo("yum -y remove docker-io*")
+              comm.sudo("curl -sSL https://get.docker.com/ | sh")
+            end
+
             case machine.guest.capability("flavor")
+
             when :rhel_7
-              docker_install_rhel7(machine)
+              docker_enable_rhel7(machine)
             else
-              docker_install_default(machine)
+              docker_enable_default(machine)
             end
           end
 
-          def self.docker_install_rhel7(machine)
+          def self.docker_enable_rhel7(machine)
             machine.communicate.tap do |comm|
-              comm.sudo("yum -y install docker")
               comm.sudo("systemctl start docker.service")
               comm.sudo("systemctl enable docker.service")
             end
           end
 
-          def self.docker_install_default(machine)
+          def self.docker_enable_default(machine)
             machine.communicate.tap do |comm|
-              if ! comm.test("rpm -qa | grep epel-release")
-                comm.sudo("rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm")
-              end
-              comm.sudo("yum -y install docker-io")
+              comm.sudo("service docker start")
+              comm.sudo("chkconfig docker on")
             end
           end
         end

plugins/provisioners/docker/installer.rb

@@ -15,10 +15,10 @@ module VagrantPlugins
           return
         end
 
-        if !@machine.guest.capability(:docker_installed)
         @machine.ui.detail(I18n.t("vagrant.docker_installing", version: @version.to_s))
         @machine.guest.capability(:docker_install, @version)
 
+        if !@machine.guest.capability(:docker_installed)
           if !@machine.guest.capability(:docker_installed)
             raise DockerError, :install_failed
           end