Class: Chef::Knife::SoftlayerServerRelaunch

Inherits:
Chef::Knife
  • Object
show all
Includes:
SoftlayerBase
Defined in:
lib/chef/knife/softlayer_server_relaunch.rb,
lib/chef/knife/softlayer_server_relaunch.rb

Constant Summary

Constants included from SoftlayerBase

Chef::Knife::SoftlayerBase::USER_AGENT

Instance Method Summary collapse

Methods included from SoftlayerBase

#compute, #connection, included, #locate_config_value, #msg_pair, #network

Instance Method Details

#run ⇒ nil

Run the procedure to list softlayer VM flavors or display all available options.

Returns:

  • (nil) 


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# File 'lib/chef/knife/softlayer_server_relaunch.rb', line 27

def run
  $stdout.sync = true
  if name_args.count < 1
    ui.fatal("Server relaunch requires AT LEAST ONE node name.")
    exit 1;
  end

  ident_file = Chef::Config[:knife][:identity_file] || config[:identity_file]
  Fog.credentials[:private_key_path] = ident_file if ident_file

  Chef::Search::Query.new.search(:node, "name:#{name_args[0]}") do |object|
    @vm = connection.servers.select { |s| s.public_ip == object.ipaddress }.first
  end
  ui.fatal("Server not found on SoftLayer account.") and exit 1 unless @vm

  unless @vm.sshable?
    ui.fatal("Node with name #{name_args[0]} not sshable, relaunch canceled.")
    exit 1
  end

  # grab the contents of /etc/chef from the target node and stash a local copy
  begin
    puts ui.color("Capturing existing node configuration files.", :green)
    @vm.scp_download("/etc/chef", "/tmp/#{@vm.id}/", :recursive => true)
  rescue Exception => e
    puts ui.color(e.message, :red)
    ui.fatal('Relaunch canceled.')
    exit 1
  end

  begin
    puts ui.color("Relaunching SoftLayer server, this may take a few minutes.", :green)
    @vm.relaunch!
    @vm.wait_for { putc '.'; ready? && sshable? }
    puts ''
  rescue Exception => e
    puts ui.color(e.message, :red)
    ui.fatal('Relaunch FAILED. You may be missing a server.')
    exit 1
  end

  # push the locally stashed config items up to new machine
  begin
    puts ui.color("Installing node configuration on relaunched server.", :green)
    @vm.scp("/tmp/#{@vm.id}/chef/", "/etc/", :recursive => true)
  rescue Exception => e
    puts ui.color(e.message, :red)
    ui.fatal('Relaunch FAILED. You may be missing a chef node.')
    exit 1
  end

  begin
    puts ui.color("Installing chef-client executable on relaunched server.", :green)
    puts @vm.ssh('wget https://www.chef.io/chef/install.sh && sudo bash ./install.sh && rm install.sh').first.stdout
  rescue Exception => e
    puts ui.color(e.message, :red)
    ui.fatal('Relaunch FAILED. You may be missing a chef node.')
    exit 1
  end

  # run chef-client on the new machine with the existing config and attributes
  begin
    puts ui.color("Initial run of chef-client on relaunched server, this may take a few minutes.", :green)
    puts @vm.ssh('sudo chef-client').first.stdout
  rescue Exception => e
    puts ui.color(e.message, :red)
    ui.fatal('Relaunch FAILED on chef run. Your chef node may be misconfigured.')
    exit 1
  end

end