Class: DevLXC::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/dev-lxc/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, server_type, cluster_config) ⇒ Server

Returns a new instance of Server.



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# File 'lib/dev-lxc/server.rb', line 8

def initialize(name, server_type, cluster_config)
  unless cluster_config[server_type]["servers"].keys.include?(name)
    puts "ERROR: Server '#{name}' is not defined in the cluster config"
    exit 1
  end
  @server_type = server_type
  cluster = DevLXC::Cluster.new(cluster_config)
  @lxc_config_path = cluster.lxc_config_path
  @api_fqdn = cluster.api_fqdn
  @analytics_fqdn = cluster.analytics_fqdn
  @chef_server_bootstrap_backend = cluster.chef_server_bootstrap_backend
  @analytics_bootstrap_backend = cluster.analytics_bootstrap_backend
  @chef_server_config = cluster.chef_server_config
  @analytics_config = cluster.analytics_config

  @server = DevLXC::Container.new(name, @lxc_config_path)
  @config = cluster_config[@server_type]["servers"][@server.name]
  @ipaddress = @config["ipaddress"]
  @role = @config["role"] ? @config["role"] : cluster_config[@server_type]['topology']
  @mounts = cluster_config[@server_type]["mounts"]
  @platform_image_name = cluster_config[@server_type]["platform_image"]
  @packages = cluster_config[@server_type]["packages"]

  case @server_type
  when 'adhoc'
    @shared_image_name = ''
  when 'analytics'
    @shared_image_name = "s#{@platform_image_name[1..-1]}"
    @shared_image_name += "-analytics-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["analytics"].to_s.match(/[_-]((\d+\.?){3,})/)
  when 'chef-server'
    if File.basename(@packages["server"]).match(/^(\w+-\w+.*)[_-]((?:\d+\.?){3,})/)
      @chef_server_type = Regexp.last_match[1]
      @chef_server_version = Regexp.last_match[2].gsub(".", "-")
    end

    @shared_image_name = "s#{@platform_image_name[1..-1]}"
    case @chef_server_type
    when 'chef-server-core'
      @shared_image_name += '-cs'
      @server_ctl = 'chef-server'
    when 'private-chef'
      @shared_image_name += '-ec'
      @server_ctl = 'private-chef'
    when 'chef-server'
      @shared_image_name += '-osc'
      @server_ctl = 'chef-server'
    end
    @shared_image_name += "-#{@chef_server_version}"
    @shared_image_name += "-reporting-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["reporting"].to_s.match(/[_-]((\d+\.?){3,})/)
    @shared_image_name += "-pushy-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["push-jobs-server"].to_s.match(/[_-]((\d+\.?){3,})/)
    @shared_image_name += "-sync-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["sync"].to_s.match(/[_-]((\d+\.?){3,})/)
  end
end

Instance Attribute Details

#platform_image_name ⇒ Object (readonly)

Returns the value of attribute platform_image_name.



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# File 'lib/dev-lxc/server.rb', line 6

def platform_image_name
  @platform_image_name
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/dev-lxc/server.rb', line 6

def server
  @server
end

#shared_image_name ⇒ Object (readonly)

Returns the value of attribute shared_image_name.



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# File 'lib/dev-lxc/server.rb', line 6

def shared_image_name
  @shared_image_name
end

Instance Method Details

#configure_analytics ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 343

def configure_analytics
  case @role
  when "standalone", "backend"
    puts "Copying /etc/opscode-analytics from Chef Server bootstrap backend '#{@chef_server_bootstrap_backend}'"
    FileUtils.cp_r("#{LXC::Container.new(@chef_server_bootstrap_backend, @lxc_config_path).config_item('lxc.rootfs')}/etc/opscode-analytics",
                   "#{@server.config_item('lxc.rootfs')}/etc")

    IO.write("#{@server.config_item('lxc.rootfs')}/etc/opscode-analytics/opscode-analytics.rb", @analytics_config)
  when "frontend"
    puts "Copying /etc/opscode-analytics from Analytics bootstrap backend '#{@analytics_bootstrap_backend}'"
    FileUtils.cp_r("#{LXC::Container.new(@analytics_bootstrap_backend, @lxc_config_path).config_item('lxc.rootfs')}/etc/opscode-analytics",
                   "#{@server.config_item('lxc.rootfs')}/etc")
  end
  run_ctl("opscode-analytics", "reconfigure")
end

#configure_chef_server_for_analytics ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 320

def configure_chef_server_for_analytics
  puts "Configuring for Analytics"
  case @chef_server_type
  when 'private-chef'
    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb",
      "\noc_id['applications'] = {\n  'analytics' => {\n    'redirect_uri' => 'https://#{@analytics_fqdn}/'\n  }\n}\n")

    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb",
      "\nrabbitmq['vip'] = '#{@chef_server_bootstrap_backend}'\nrabbitmq['node_ip_address'] = '0.0.0.0'\n")
  when 'chef-server-core'
    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb",
      "\noc_id['applications'] = {\n  'analytics' => {\n    'redirect_uri' => 'https://#{@analytics_fqdn}/'\n  }\n}\n")

    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb",
      "\nrabbitmq['vip'] = '#{@chef_server_bootstrap_backend}'\nrabbitmq['node_ip_address'] = '0.0.0.0'\n")
  end

  run_ctl(@server_ctl, "stop")
  run_ctl(@server_ctl, "reconfigure")
  run_ctl(@server_ctl, "restart")
  run_ctl("opscode-manage", "reconfigure") if @role == 'frontend'
end

#configure_manage ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 310

def configure_manage
  if @chef_server_type == 'private-chef'
    puts "Disabling old opscode-webui in /etc/opscode/private-chef.rb"
    DevLXC.search_file_delete_line("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", /opscode_webui[.enable.]/)
    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", "\nopscode_webui['enable'] = false\n")
    run_ctl(@server_ctl, "reconfigure")
  end
  run_ctl("opscode-manage", "reconfigure")
end

#configure_push_jobs_server ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 305

def configure_push_jobs_server
  run_ctl("opscode-push-jobs-server", "reconfigure")
  run_ctl(@server_ctl, "reconfigure")
end

#configure_reporting ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 295

def configure_reporting
  if @role == 'frontend'
    puts "Copying /etc/opscode-reporting from bootstrap backend '#{@chef_server_bootstrap_backend}'"
    FileUtils.cp_r("#{LXC::Container.new(@chef_server_bootstrap_backend, @lxc_config_path).config_item('lxc.rootfs')}/etc/opscode-reporting",
                   "#{@server.config_item('lxc.rootfs')}/etc")
  end
  run_ctl(@server_ctl, "reconfigure")
  run_ctl("opscode-reporting", "reconfigure")
end

#configure_server ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 270

def configure_server
  case @role
  when "open-source"
    puts "Creating /etc/chef-server/chef-server.rb"
    FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/chef-server")
    IO.write("#{@server.config_item('lxc.rootfs')}/etc/chef-server/chef-server.rb", @chef_server_config)
  when "standalone", "backend"
    case @chef_server_type
    when 'private-chef'
      puts "Creating /etc/opscode/private-chef.rb"
      FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", @chef_server_config)
    when 'chef-server-core'
      puts "Creating /etc/opscode/chef-server.rb"
      FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{@server.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb", @chef_server_config)
    end
  when "frontend"
    puts "Copying /etc/opscode from bootstrap backend '#{@chef_server_bootstrap_backend}'"
    FileUtils.cp_r("#{LXC::Container.new(@chef_server_bootstrap_backend, @lxc_config_path).config_item('lxc.rootfs')}/etc/opscode",
                   "#{@server.config_item('lxc.rootfs')}/etc")
  end
  run_ctl(@server_ctl, "reconfigure")
end

#create ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 147

def create
  if @server.defined?
    puts "Using existing container '#{@server.name}'"
    return
  end
  custom_image = DevLXC::Container.new("c-#{@server.name}", @lxc_config_path)
  unique_image = DevLXC::Container.new("u-#{@server.name}", @lxc_config_path)
  if custom_image.defined?
    puts "Cloning custom image '#{custom_image.name}' into container '#{@server.name}'"
    custom_image.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
    @server = DevLXC::Container.new(@server.name, @lxc_config_path)
    return
  elsif unique_image.defined?
    puts "Cloning unique image '#{unique_image.name}' into container '#{@server.name}'"
    unique_image.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
    @server = DevLXC::Container.new(@server.name, @lxc_config_path)
    return
  else
    puts "Creating container '#{@server.name}'"
    if @server_type == 'adhoc'
      platform_image = DevLXC.create_platform_image(@platform_image_name, @lxc_config_path)
      puts "Cloning platform image '#{platform_image.name}' into container '#{@server.name}'"
      platform_image.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
    else
      unless @server.name == @chef_server_bootstrap_backend || DevLXC::Container.new(@chef_server_bootstrap_backend, @lxc_config_path).defined?
        puts "ERROR: The bootstrap backend server '#{@chef_server_bootstrap_backend}' must be created first."
        exit 1
      end
      shared_image = create_shared_image
      puts "Cloning shared image '#{shared_image.name}' into container '#{@server.name}'"
      shared_image.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
    end
    @server = DevLXC::Container.new(@server.name, @lxc_config_path)
    puts "Deleting SSH Server Host Keys"
    FileUtils.rm_f(Dir.glob("#{@server.config_item('lxc.rootfs')}/etc/ssh/ssh_host*_key*"))
    puts "Adding lxc.hook.post-stop hook"
    @server.set_config_item("lxc.hook.post-stop", "/usr/local/share/lxc/hooks/post-stop-dhcp-release")
    @server.save_config
    hwaddr = @server.config_item("lxc.network.0.hwaddr")
    if hwaddr.empty?
      puts "ERROR: '#{@server.name}' needs to have an lxc.network.hwaddr entry"
      exit 1
    end
    DevLXC.assign_ip_address(@ipaddress, @server.name, hwaddr)
    unless @role == 'backend'
      case @server_type
      when 'analytics'
        DevLXC.create_dns_record(@analytics_fqdn, @server.name, @ipaddress)
      when 'chef-server'
        DevLXC.create_dns_record(@api_fqdn, @server.name, @ipaddress)
      end
    end
    @server.sync_mounts(@mounts)
    # if platform image is centos then `/etc/hosts` file needs to be modified so `hostname -f`
    # provides the FQDN instead of `localhost`
    if @platform_image_name.start_with?('p-centos-')
      IO.write("#{@server.config_item('lxc.rootfs')}/etc/hosts", "127.0.0.1 localhost\n127.0.1.1 #{@server.name}\n")
    end
    @server.start
    # Allow adhoc servers time to generate SSH Server Host Keys
    sleep 5 if @server_type == 'adhoc'
    configure_analytics if @server_type == 'analytics'
    if @server_type == 'chef-server' && ! @packages["server"].nil?
      configure_server
      create_users if @server.name == @chef_server_bootstrap_backend
      if %w(standalone frontend).include?(@role) && ! @packages["manage"].nil?
        @server.install_package(@packages["manage"])
        configure_manage
      end
      unless @role == 'open-source'
        configure_reporting unless @packages["reporting"].nil?
        configure_push_jobs_server unless @packages["push-jobs-server"].nil?
        if @analytics_bootstrap_backend && %w(standalone backend).include?(@role)
          configure_chef_server_for_analytics
        end
      end
    end
    @server.stop
    puts "Cloning container '#{@server.name}' into unique image '#{unique_image.name}'"
    @server.clone("#{unique_image.name}", {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
  end
end

#create_shared_image ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 230

def create_shared_image
  shared_image = DevLXC::Container.new(@shared_image_name, @lxc_config_path)
  if shared_image.defined?
    puts "Using existing shared image '#{shared_image.name}'"
    return shared_image
  end
  platform_image = DevLXC.create_platform_image(@platform_image_name, @lxc_config_path)
  puts "Cloning platform image '#{platform_image.name}' into shared image '#{shared_image.name}'"
  platform_image.clone(shared_image.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
  shared_image = DevLXC::Container.new(shared_image.name, @lxc_config_path)
  puts "Deleting SSH Server Host Keys"
  FileUtils.rm_f(Dir.glob("#{shared_image.config_item('lxc.rootfs')}/etc/ssh/ssh_host*_key*"))

  # Disable certain sysctl.d files in Ubuntu 10.04, they cause `start procps` to fail
  # Enterprise Chef server's postgresql recipe expects to be able to `start procps`
  if platform_image.name == "p-ubuntu-1004"
    if File.exist?("#{shared_image.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf")
      FileUtils.mv("#{shared_image.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf",
                   "#{shared_image.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf.orig")
    end
  end
  unless shared_image.config_item("lxc.mount.auto").nil?
    shared_image.set_config_item("lxc.mount.auto", "proc:rw sys:rw")
    shared_image.save_config
  end
  shared_image.sync_mounts(@mounts)
  shared_image.start
  case @server_type
  when 'analytics'
    shared_image.install_package(@packages["analytics"]) unless @packages["analytics"].nil?
  when 'chef-server'
    shared_image.install_package(@packages["server"]) unless @packages["server"].nil?
    shared_image.install_package(@packages["reporting"]) unless @packages["reporting"].nil?
    shared_image.install_package(@packages["push-jobs-server"]) unless @packages["push-jobs-server"].nil?
    shared_image.install_package(@packages["sync"]) unless @packages["sync"].nil?
  end
  shared_image.stop
  return shared_image
end

#create_users ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 364

def create_users
  puts "Creating org, user, keys and knife.rb in /root/chef-repo/.chef"
  FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef")

  case @chef_server_type
  when 'chef-server'
    chef_server_url = "https://127.0.0.1"
    username = "admin"
    validator_name = "chef-validator"

    FileUtils.cp( Dir.glob("#{@server.config_item('lxc.rootfs')}/etc/chef-server/{admin,chef-validator}.pem"), "#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef" )
  when 'private-chef', 'chef-server-core'
    chef_server_root = "https://127.0.0.1"
    chef_server_url = "https://127.0.0.1/organizations/ponyville"
    username = "rainbowdash"
    validator_name = "ponyville-validator"

    FileUtils.cp( "#{@server.config_item('lxc.rootfs')}/etc/opscode/pivotal.pem", "#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef" )

    pivotal_rb = %Q(
current_dir = File.dirname(__FILE__)

chef_server_root "#{chef_server_root}"
chef_server_url "#{chef_server_root}"

node_name "pivotal"
client_key "\#{current_dir}/pivotal.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd

ssl_verify_mode :verify_none
)
    IO.write("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef/pivotal.rb", pivotal_rb)
  end

  knife_rb = %Q(
current_dir = File.dirname(__FILE__)

chef_server_url "#{chef_server_url}"

node_name "#{username}"
client_key "\#{current_dir}/#{username}.pem"

validation_client_name "#{validator_name}"
validation_key "\#{current_dir}/#{validator_name}.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd

ssl_verify_mode :verify_none
)
  IO.write("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef/knife.rb", knife_rb)

  case @chef_server_type
  when 'private-chef'
    # give time for all services to come up completely
    sleep 60
    @server.run_command("/opt/opscode/embedded/bin/gem install knife-opc --no-ri --no-rdoc")
    @server.run_command("/opt/opscode/embedded/bin/knife opc org create ponyville ponyville --filename /root/chef-repo/.chef/ponyville-validator.pem -c /root/chef-repo/.chef/pivotal.rb")
    @server.run_command("/opt/opscode/embedded/bin/knife opc user create rainbowdash rainbowdash rainbowdash [email protected] rainbowdash --filename /root/chef-repo/.chef/rainbowdash.pem -c /root/chef-repo/.chef/pivotal.rb")
    @server.run_command("/opt/opscode/embedded/bin/knife opc org user add ponyville rainbowdash --admin -c /root/chef-repo/.chef/pivotal.rb")
  when 'chef-server-core'
    # give time for all services to come up completely
    sleep 10
    run_ctl(@server_ctl, "org-create ponyville ponyville --filename /root/chef-repo/.chef/ponyville-validator.pem")
    run_ctl(@server_ctl, "user-create rainbowdash rainbowdash rainbowdash [email protected] rainbowdash --filename /root/chef-repo/.chef/rainbowdash.pem")
    run_ctl(@server_ctl, "org-user-add ponyville rainbowdash --admin")
  end
end

#deregister_from_dnsmasq(hwaddr) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 125

def deregister_from_dnsmasq(hwaddr)
  DevLXC.search_file_delete_line("/etc/lxc/addn-hosts.conf", /^#{@ipaddress}\s/)
  DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /,#{@ipaddress}$/)
  unless hwaddr.nil?
    DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /^#{hwaddr}/)
  end
  DevLXC.reload_dnsmasq
end

#destroy ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 119

def destroy
  hwaddr = @server.config_item("lxc.network.0.hwaddr") if @server.defined?
  @server.destroy
  deregister_from_dnsmasq(hwaddr)
end

#destroy_image(type) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 134

def destroy_image(type)
  case type
  when :custom
    DevLXC::Container.new("c-#{@server.name}", @lxc_config_path).destroy
  when :unique
    DevLXC::Container.new("u-#{@server.name}", @lxc_config_path).destroy
  when :shared
    DevLXC::Container.new(@shared_image_name, @lxc_config_path).destroy
  when :platform
    DevLXC::Container.new(@platform_image_name, @lxc_config_path).destroy
  end
end

#realpath(rootfs_path) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 62

def realpath(rootfs_path)
  "#{@server.config_item('lxc.rootfs')}#{rootfs_path}" if @server.defined?
end

#run_command(command) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 66

def run_command(command)
  if @server.running?
    puts "Running '#{command}' in '#{@server.name}'"
    @server.run_command(command)
  else
    puts "'#{@server.name}' is not running"
  end
end

#run_ctl(component, subcommand) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 359

def run_ctl(component, subcommand)
  puts "Running `#{component}-ctl #{subcommand}` in '#{@server.name}'"
  @server.run_command("#{component}-ctl #{subcommand}")
end

#snapshot(force = nil) ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 97

def snapshot(force=nil)
  unless @server.defined?
    puts "WARNING: Skipping snapshot of '#{@server.name}' because it is not created"
    return
  end
  if @server.state != :stopped
    puts "WARNING: Skipping snapshot of '#{@server.name}' because it is not stopped"
    return
  end
  custom_image = DevLXC::Container.new("c-#{@server.name}", @lxc_config_path)
  if custom_image.defined?
    if force
      custom_image.destroy
    else
      puts "WARNING: Skipping snapshot of '#{@server.name}' because a custom image already exists"
      return
    end
  end
  puts "Creating snapshot of container '#{@server.name}' in custom image '#{custom_image.name}'"
  @server.clone("#{custom_image.name}", {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
end

#start ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 75

def start
  create
  hwaddr = @server.config_item("lxc.network.0.hwaddr")
  DevLXC.assign_ip_address(@ipaddress, @server.name, hwaddr)
  unless @role == 'backend'
    case @server_type
    when 'analytics'
      DevLXC.create_dns_record(@analytics_fqdn, @server.name, @ipaddress)
    when 'chef-server'
      DevLXC.create_dns_record(@api_fqdn, @server.name, @ipaddress)
    end
  end
  @server.sync_mounts(@mounts)
  @server.start
end

#stop ⇒ Object 



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# File 'lib/dev-lxc/server.rb', line 91

def stop
  hwaddr = @server.config_item("lxc.network.0.hwaddr") if @server.defined?
  @server.stop
  deregister_from_dnsmasq(hwaddr)
end