Vagrant Hostname Problems in Docker Provider

output

jamie@mintwork ~/apps/myproject/cfml/docs/incubation/railo/cbanbury $ vagrant ssh db
Last login: Thu Oct 30 03:23:32 2014 from 172.17.42.1
[vagrant@d328e74ec650 ~]$ hostname
d328e74ec650
[vagrant@d328e74ec650 ~]$ exit
logout
Connection to 172.17.0.52 closed.
jamie@mintwork ~/apps/myproject/cfml/docs/incubation/railo/cbanbury $ vagrant docker-run db -- hostname
==> db: Creating the container...
    db:   Name: myproject-db_1414776867
    db:  Image: cbanbury/centos-docker
    db:    Cmd: hostname
    db: Volume: /home/jamie/apps/myproject/cfml/docs/incubation/railo/cbanbury:/vagrant
    db:  
    db: Container is starting. Output will stream in below...
    db:  
    db: myproject-db

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

ENV['VAGRANT_DEFAULT_PROVIDER'] = 'docker'

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  
  unless Vagrant.has_plugin?("vagrant-triggers")
    raise 'vagrant-triggers plugin needs to be installed: vagrant plugin install vagrant-triggers'
  end
  
  vm_temp_dir = "/vagrant/temp"
  host_temp_dir = "./temp"
  
  host_script_dir = "./scripts"
  vm_script_dir = "/vagrant/scripts"
  
  host_provisioned_dir = "#{host_temp_dir}/provisioned"
  vm_provisioned_dir = "#{vm_temp_dir}/provisioned"
  
  password = "mypassword"
  
  config.vm.define "db" do |v|
    
    host_db_script_dir = "#{host_script_dir}/db"
    vm_db_script_dir = "#{vm_script_dir}/db"
    
    v.vm.provider "docker" do |d|
      #d.build_dir = "./myproject_db"
      d.name = "myproject-db"
      d.image = "cbanbury/centos-docker"
      d.has_ssh = true
      d.remains_running = true
      d.ports = ["3306:3306"]
      d.cmd = ["#{vm_db_script_dir}/start.sh"]
    end
    
    v.vm.hostname = "myproject-db"
    
    # DNS isn't working without this, because Google's nameservers (e.g., 8.8.8.8) aren't working, for some reason
    # TODO: fix this hack?
    # v.vm.provision "shell", inline: "printf \"nameserver 172.25.101.250\nnameserver 8.8.8.8\" > /etc/resolv.conf"
    
    v.vm.provision :shell, :path => "#{host_script_dir}/cbanbury_centos_vagrant_set_passwords.sh", :args => []
    
    v.vm.provision :shell, :path => "#{host_script_dir}/yum_localize_cache_dir.sh", :args => []
    
    # Install MariaDB
    v.vm.provision :shell, :path => "#{host_db_script_dir}/db_install_mariadb.sh", :args => [
      "--conf-file-to-patch=/etc/my.cnf.d/server.cnf",
      "--password=#{password}",
      "--patch-file=#{vm_db_script_dir}/db_mariadb_rhel65_server.cnf.patch",
      "--provisioned-dir=#{vm_provisioned_dir}"
    ]
    
    
  
  end
  
  config.vm.define "web" do |v|
    
    host_web_script_dir = "#{host_script_dir}/web"
    vm_web_script_dir = "#{vm_script_dir}/web"
    
    v.vm.provider "docker" do |d|
      d.name = "myproject-web"
      d.image = "cbanbury/centos-docker"
      d.has_ssh = true
      d.remains_running = true
      d.ports = ["80:80"]
      d.link("myproject_db:db")
    end
    
    v.vm.hostname = "myproject-db"
    
    v.vm.provision :shell, :path => "#{host_script_dir}/cbanbury_centos_vagrant_set_passwords.sh", :args => []
    
    v.vm.provision :shell, :path => "#{host_script_dir}/yum_localize_cache_dir.sh", :args => []

  end
  
#  config.vm.provision "docker" do |d|
#    d.pull_images "cbanbury/centos-docker"
#  end
  
  config.trigger.after :destroy, :stdout => true, :force => true do
    info "Removing provisioned directory contents: #{host_provisioned_dir}/*"
    FileUtils.rm_rf Dir.glob("#{host_provisioned_dir}/*")
    #info "Removing WEB-INF from working copy."
    #FileUtils.rm_rf("#{host_wwwroot}/WEB-INF")
  end
  
end