Class: Spiceweasel::Roles

Inherits:
Object
  • Object
show all
Includes:
CommandHelper
Defined in:
lib/spiceweasel/roles.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CommandHelper

#create_command, #delete_command

Constructor Details

#initialize(roles = {}, environments = [], cookbooks = {}) ⇒ Roles

Returns a new instance of Roles.



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# File 'lib/spiceweasel/roles.rb', line 29

def initialize(roles = {}, environments = [], cookbooks = {})
  @create = Array.new
  @delete = Array.new
  @role_list = Array.new
  if roles
    Spiceweasel::Log.debug("roles: #{roles}")
    flatroles = roles.collect {|x| x.keys}.flatten
    rolefiles = []
    flatroles.each do |role|
      Spiceweasel::Log.debug("role: #{role}")
      if File.directory?("roles")
        #expand wildcards and push into flatroles
        if role =~ /\*/ #wildcard support
          wildroles = Dir.glob("roles/#{role}")
          #remove anything not ending in .json or .rb
          wildroles.delete_if {|x| !x.end_with?(".rb", ".json")}
          Spiceweasel::Log.debug("found roles '#{wildroles}' for wildcard: #{role}")
          flatroles.concat(wildroles.collect {|x| x[x.rindex('/')+1..x.rindex('.')-1]})
          next
        end
        validate(role, environments, cookbooks, flatroles) unless Spiceweasel::Config[:novalidation]
      elsif !Spiceweasel::Config[:novalidation]
        STDERR.puts "ERROR: 'roles' directory not found, unable to validate or load roles"
        exit(-1)
      end
      if File.exists?("roles/#{role}.json")
        rolefiles.push("#{role}.json")
      else #assume no .json means they want .rb and catchall for misssing dir
        rolefiles.push("#{role}.rb")
      end
      delete_command("knife role#{Spiceweasel::Config[:knife_options]} delete #{role} -y")
      @role_list.push(role)
    end
    create_command("knife role#{Spiceweasel::Config[:knife_options]} from file #{rolefiles.uniq.sort.join(' ')}")
  end
end

Instance Attribute Details

#create ⇒ Object (readonly)

Returns the value of attribute create.



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# File 'lib/spiceweasel/roles.rb', line 27

def create
  @create
end

#delete ⇒ Object (readonly)

Returns the value of attribute delete.



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# File 'lib/spiceweasel/roles.rb', line 27

def delete
  @delete
end

#role_list ⇒ Object (readonly)

Returns the value of attribute role_list.



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# File 'lib/spiceweasel/roles.rb', line 27

def role_list
  @role_list
end

Instance Method Details

#member?(role) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spiceweasel/roles.rb', line 117

def member?(role)
  role_list.include?(role)
end

#validate(role, environments, cookbooks, roles) ⇒ Object

validate the content of the role file



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# File 'lib/spiceweasel/roles.rb', line 67

def validate(role, environments, cookbooks, roles)
  #validate the role passed in match the name of either the .rb or .json
  file = %W(roles/#{role}.rb roles/#{role}.json).detect{|f| File.exists?(f)}
  if role =~ /\// #pull out directories
    role = role.split('/').last
  end
  if file
    case file
    when /\.json$/
      c_role = Chef::JSONCompat.from_json(IO.read(file))
    when /\.rb$/
      if (Chef::VERSION.split('.')[0].to_i < 11)
        c_role = Chef::Role.new(true)
      else
        c_role = Chef::Role.new
      end
      c_role.from_file(file)
    end
    Spiceweasel::Log.debug("role: '#{role}' name: '#{c_role.name}'")
    if !role.eql?(c_role.name)
      STDERR.puts "ERROR: Role '#{role}' listed in the manifest does not match the name '#{c_role.name}' within the #{file} file."
      exit(-1)
    end
    c_role.run_list.each do |runlist_item|
      if(runlist_item.recipe?)
        Spiceweasel::Log.debug("recipe: #{runlist_item.name}")
        cookbook,recipe = runlist_item.name.split('::')
        Spiceweasel::Log.debug("role: '#{role}' cookbook: '#{cookbook}' dep: '#{runlist_item}'")
        unless(cookbooks.member?(cookbook))
          STDERR.puts "ERROR: Cookbook dependency '#{runlist_item}' from role '#{role}' is missing from the list of cookbooks in the manifest."
          exit(-1)
        end
      elsif(runlist_item.role?)
        Spiceweasel::Log.debug("role: '#{role}' role: '#{runlist_item}': dep: '#{runlist_item.name}'")
        unless(roles.member?(runlist_item.name))
          STDERR.puts "ERROR: Role dependency '#{runlist_item.name}' from role '#{role}' is missing from the list of roles in the manifest."
          exit(-1)
        end
      else
        STDERR.puts "ERROR: Unknown item in runlist: #{runlist_item.name}"
        exit(-1)
      end
    end
    #TODO validate any environment-specific runlists
  else #role is not here
    STDERR.puts "ERROR: Invalid Role '#{role}' listed in the manifest but not found in the roles directory."
    exit(-1)
  end
end