Class: Caterer::Provisioner::ChefSolo

Inherits:
Base
  • Object
show all
Includes:
Util::Hash, Util::Shell
Defined in:
lib/caterer/provisioner/chef_solo.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#image

Instance Method Summary collapse

Methods included from Util::Hash

#deep_merge

Methods included from Util::Shell

#bash, #env, #env_string, #escape, #su

Methods inherited from Base

#cleanup

Constructor Details

#initialize(image, opts = {}) ⇒ ChefSolo

Returns a new instance of ChefSolo.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 18

def initialize(image, opts={})
  @image          = image
  @run_list       = provisioner_config.run_list.dup
  @json           = provisioner_config.json.dup
  @cookbooks_path = provisioner_config.cookbooks_path.dup
  @roles_path     = provisioner_config.roles_path.dup
  @data_bags_path = provisioner_config.data_bags_path.dup
end

Instance Attribute Details

#cookbooks_path ⇒ Object

Returns the value of attribute cookbooks_path.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 15

def cookbooks_path
  @cookbooks_path
end

#data_bags_path ⇒ Object

Returns the value of attribute data_bags_path.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 16

def data_bags_path
  @data_bags_path
end

#json ⇒ Object

Returns the value of attribute json.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 15

def json
  @json
end

#roles_path ⇒ Object

Returns the value of attribute roles_path.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 15

def roles_path
  @roles_path
end

#run_list ⇒ Object (readonly)

Returns the value of attribute run_list.



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# File 'lib/caterer/provisioner/chef_solo.rb', line 14

def run_list
  @run_list
end

Instance Method Details

#add_recipe(recipe) ⇒ Object

config DSL



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# File 'lib/caterer/provisioner/chef_solo.rb', line 29

def add_recipe(recipe)
  @run_list << "recipe[#{recipe}]"
end

#add_role(role) ⇒ Object 



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# File 'lib/caterer/provisioner/chef_solo.rb', line 33

def add_role(role)
  @run_list << "role[#{role}]"
end

#errors ⇒ Object 



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# File 'lib/caterer/provisioner/chef_solo.rb', line 37

def errors
  errors = {}

  if not @run_list.length > 0
    errors[:run_list] = "is empty"
  end

  if not @cookbooks_path.is_a? Array
    errors[:cookbooks_path] = "must be an array"
  end

  if not @roles_path.is_a? Array
    errors[:roles_path] = "must be an array"
  end

  if not @data_bags_path.is_a? Array
    errors[:data_bags_path] = "must be an array"
  end

  if errors.length > 0
    errors
  end
end

#install(server) ⇒ Object

provision engine



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# File 'lib/caterer/provisioner/chef_solo.rb', line 63

def install(server)
  server.ui.info "Preparing installation..."

  installer = install_script(server.platform)

  if not File.exists? installer
    server.ui.error "#{server.platform} doesn't have an install script"
    return
  end

  res = server.ssh.sudo bash(File.read(installer)), :stream => true

  # mark (on the server) that we installed chef-solo for later uninstall
  server.ssh.sudo "touch #{dest_var_dir}/INSTALL"

  unless res == 0
    server.ui.error "install failed with exit code: #{res}"
  end
end

#installed?(server) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/caterer/provisioner/chef_solo.rb', line 83

def installed?(server)
  res = server.ssh.sudo "command -v chef-solo &>/dev/null"
  res == 0 ? true : false
end

#prepare(server) ⇒ Object 



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# File 'lib/caterer/provisioner/chef_solo.rb', line 111

def prepare(server)
  # create lib dir
  server.ssh.sudo "mkdir -p #{dest_lib_dir}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{dest_lib_dir}", :stream => true

  # create var dir
  server.ssh.sudo "mkdir -p #{dest_var_dir}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{dest_var_dir}", :stream => true

  # create cache dir
  server.ssh.sudo "mkdir -p #{dest_cache_dir}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{dest_cache_dir}", :stream => true

  # create cookbooks directory
  server.ssh.sudo "mkdir -p #{target_cookbooks_path}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{target_cookbooks_path}", :stream => true

  # sync cookbooks
  server.ui.info "Syncing cookbooks..."
  cookbooks_path.each do |path|
    server.upload_directory path, "#{target_cookbooks_path}/#{Digest::MD5.hexdigest(path)}"
  end

  # create roles directory
  server.ssh.sudo "mkdir -p #{target_roles_path}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{target_roles_path}", :stream => true

  # sync roles
  server.ui.info "Syncing roles..."
  roles_path.each do |path|
    server.upload_directory path, target_roles_path
  end

  # create data_bags directory
  server.ssh.sudo "mkdir -p #{target_data_bags_path}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{target_data_bags_path}", :stream => true

  # sync databags
  server.ui.info "Syncing data bags..."
  data_bags_path.each do |path|
    server.upload_directory path, target_data_bags_path
  end

  # create solo.rb
  server.ui.info "Generating solo.rb..."
  server.ssh.upload(StringIO.new(solo_content(server)), target_solo_path)

  # create json
  server.ui.info "Generating json config..."
  server.ssh.upload(StringIO.new(json_config(deep_merge(config_data, server.data))), target_json_config_path)

  # set permissions on everything
  server.ssh.sudo "chown -R #{server.username} #{dest_lib_dir}", :stream => true
  server.ssh.sudo "chown -R #{server.username} #{dest_var_dir}", :stream => true

end

#provision_cmd ⇒ Object 



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# File 'lib/caterer/provisioner/chef_solo.rb', line 168

def provision_cmd
  "chef-solo -c #{target_solo_path} -j #{target_json_config_path}"
end

#uninstall(server) ⇒ Object 



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# File 'lib/caterer/provisioner/chef_solo.rb', line 88

def uninstall(server)
  server.ui.info "Uninstalling..."

  # figure out how to uninstall chef_solo IF we installed it
  installed = server.ssh.sudo "[[ -f #{dest_var_dir}/INSTALL ]]"

  if installed == 0
    uninstaller = uninstall_script(server.platform)

    if not File.exists? uninstaller
      server.ui.error "#{server.platform} doesn't have an uninstall script"
      return
    end

    res = server.ssh.sudo bash(File.read(uninstaller)), :stream => true

    unless res == 0
      server.ui.error "install failed with exit code: #{res}"
    end
  end

end