Class: Vigil::VMBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/vigil/vmbuilder.rb

Instance Method Summary collapse

Constructor Details

#initialize(revision) ⇒ VMBuilder

Returns a new instance of VMBuilder.



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# File 'lib/vigil/vmbuilder.rb', line 4

def initialize(revision)
  @x = Vigil.os
  @plugman = Vigil.plugman
  @revision = revision
  @previous_revision = @revision.previous
  @rebuild = false
end

Instance Method Details

#_build_basebox ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 42

def _build_basebox
  _setup_iso_cache
  Vagrant.run "basebox build --force --nogui '#{@revision.project_name}'"
  Vagrant.run "basebox validate '#{@revision.project_name}'"
  Vagrant.run "basebox export '#{@revision.project_name}'"
  @x._system "mv #{@revision.project_name}.box #{@revision.base_box_path}"
  Vagrant.run "basebox destroy #{@revision.project_name}"
end

#_build_complete_box ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 83

def _build_complete_box
  Vagrant.run "box add --force '#{@revision.no_gems_box_name}' '#{@revision.no_gems_box_path}'"
  Vagrant.use @revision.no_gems_box_name
  Vagrant.run "up"
  Vagrant.run "ssh -c 'sudo gem install bundler'"
  Vagrant.run "ssh -c 'cd /vagrant/; bundle install'"
  Vagrant.run "package --output #{@revision.complete_box_path}"
  Vagrant.run "box remove '#{@revision.no_gems_box_name}'"
end

#_build_no_gems_box ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 66

def _build_no_gems_box
  Vagrant.run "box add --force '#{@revision.base_box_name}' '#{@revision.base_box_path}'"
  Vagrant.use @revision.base_box_name
  Vagrant.run "up"
  Vagrant.run "package --output #{@revision.no_gems_box_path}"
  Vagrant.run "box remove #{@revision.base_box_name}"
end

#_build_vm ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 22

def _build_vm
  _setup_basebox
  @plugman.notify(:task_done, 'VM1')
  _setup_no_gems_box
  @plugman.notify(:task_done, 'VM2')
  _setup_complete_box
  @plugman.notify(:task_done, 'VM3')
  @rebuild = false
end

#_changes_relative_to_previous_revision_in?(files) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vigil/vmbuilder.rb', line 97

def _changes_relative_to_previous_revision_in?(files)
  Git.differs?(@previous_revision.sha, files)
end

#_setup_basebox ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 32

def _setup_basebox
  return if @x.exists? @revision.base_box_path
  if @x.exists?(@previous_revision.base_box_path) and !_changes_relative_to_previous_revision_in?('definitions')
    _use_old_box(:base_box_path)
  else
    _build_basebox
    @rebuild = true
  end
end

#_setup_complete_box ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 74

def _setup_complete_box
  if @rebuild or !@x.exists?(@previous_revision.complete_box_path) or
      _changes_relative_to_previous_revision_in?('Gemfile*')
    _build_complete_box
  else
    _use_old_box :complete_box_path
  end
end

#_setup_iso_cache ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 51

def _setup_iso_cache
  @x._system "ln -sf #{File.join(Vigil.run_dir, 'iso')}"
end

#_setup_no_gems_box ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 55

def _setup_no_gems_box
  return if @x.exists?(@revision.no_gems_box_path)
  if @rebuild or !@x.exists?(@previous_revision.no_gems_box_path) or
      _changes_relative_to_previous_revision_in?('manifests')
    _build_no_gems_box
    @rebuild = true
  else
    _use_old_box :no_gems_box_path
  end
end

#_use_old_box(box) ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 93

def _use_old_box(box)
  @x.ln @previous_revision.send(box), @revision.send(box)
end

#run ⇒ Object 



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# File 'lib/vigil/vmbuilder.rb', line 12

def run
  if @x.exists?(@revision.complete_box_path)
    @plugman.notify(:task_done, 'VM1')
    @plugman.notify(:task_done, 'VM2')
    @plugman.notify(:task_done, 'VM3')
    return
  end
  _build_vm
end