Class: PuppetClassImporter

Inherits:
Object
  • Object
show all
Defined in:
app/models/puppet_class_importer.rb

Instance Method Summary collapse

Constructor Details

#initialize(args = { }) ⇒ PuppetClassImporter

Returns a new instance of PuppetClassImporter.


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# File 'app/models/puppet_class_importer.rb', line 3

def initialize args = { }
  @foreman_classes = { }
  @proxy_classes   = { }
  if args[:proxy]
    @proxy = args[:proxy]
  elsif args[:url]
    @proxy = ProxyAPI::Puppet.new(:url => args[:url])
  else
    url = SmartProxy.puppet_proxies.first.try(:url)
    raise "Can't find a valid Proxy with a Puppet feature" if url.blank?
    @proxy = ProxyAPI::Puppet.new(:url => url)
  end
end

Instance Method Details

#actual_classes(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 142

def actual_classes environment
  @proxy_classes[environment] ||= proxy.classes(environment).reject do |key, value|
    ignored_classes.find { |filter| filter.is_a?(Regexp) && filter =~ key }
  end
end

#actual_classes_name(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 148

def actual_classes_name environment
  actual_classes(environment).keys
end

#actual_environments ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 120

def actual_environments
  @proxy_envs ||= (proxy.environments.map(&:to_s) - ignored_environments)
end

#changes ⇒ Object

return changes hash, currently exists to keep compatibility with importer html


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# File 'app/models/puppet_class_importer.rb', line 18

def changes
  changes = { 'new' => { }, 'obsolete' => { }, 'updated' => { } }

  actual_environments.each do |env|
    new     = new_classes_for(env)
    old     = removed_classes_for(env)
    updated = updated_classes_for(env)
    changes['new'][env] = new if new.any?
    changes['obsolete'][env] = old if old.any?
    changes['updated'][env] = updated if updated.any?
  end

  old_environments.each do |env|
    changes['obsolete'][env] ||= []
    changes['obsolete'][env] << "_destroy_" unless actual_environments.include?(env)
  end
  changes
end

#compare_classes(environment, klass, db_params) ⇒ Object

This method check if the puppet class exists in this environment, and compare the class params. Changes in the params are categorized to new parameters, removed parameters and parameters with a new default value.


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# File 'app/models/puppet_class_importer.rb', line 89

def compare_classes(environment, klass, db_params)
  return nil unless (actual_class = actual_classes(environment)[klass])
  actual_params  = actual_class.parameters
  db_param_names = db_params.map(&:to_s)

  param_changes = { }
  old           = db_param_names - actual_params.keys
  param_changes['obsolete'] = old if old.any?
  new = actual_params.reject { |key, value| db_param_names.include?(key) }
  param_changes['new'] = new if new.any?
  updated = updated_classes(actual_params, db_params)
  param_changes['updated'] = updated if updated.any?
  [klass, param_changes] if param_changes.keys.any?
end

#db_classes(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 132

def db_classes environment
  return @foreman_classes[environment] if @foreman_classes[environment]
  return [] unless (env = Environment.find_by_name(environment))
  @foreman_classes[environment] = env.puppetclasses.includes(:lookup_keys, :class_params)
end

#db_classes_name(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 138

def db_classes_name environment
  db_classes(environment).map(&:name)
end

#db_environments ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 116

def db_environments
  @foreman_envs ||= (Environment.all.map(&:name) - ignored_environments)
end

#new_classes_for(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 63

def new_classes_for environment
  old_classes = db_classes_name(environment)
  HashWithIndifferentAccess[
    actual_classes(environment).values.map do |actual_class|
      [actual_class.to_s, { "new" => actual_class.parameters }] unless old_classes.include?(actual_class.to_s)
    end.compact
  ]
end

#new_environments ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 124

def new_environments
  actual_environments - db_environments
end

#obsolete_and_new(changes = { }) ⇒ Object

Update the environments and puppetclasses based upon the user's selection It does a best attempt and can fail to perform all operations due to the user requesting impossible selections. Repeat the operation if errors are shown, after fixing the request. changed : Hash with two keys: :new and :obsolete.

changed[:/new|obsolete/] is and Array of Strings

Returns : Array of Strings containing all record errors


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# File 'app/models/puppet_class_importer.rb', line 44

def obsolete_and_new changes = { }
  return if changes.empty?
  changes.values.map(&:keys).flatten.uniq.each do |env_name|
    if changes['new'] and changes['new'][env_name].try(:>, '') # we got new classes
      add_classes_to_foreman(env_name, JSON.parse(changes['new'][env_name]))
    end
    if changes['obsolete'] and changes['obsolete'][env_name].try(:>, '') # we need to remove classes
      remove_classes_from_foreman(env_name, JSON.parse(changes['obsolete'][env_name]))
    end
    if changes['updated'] and changes['updated'][env_name].try(:>, '') # we need to update classes
      update_classes_in_foreman(env_name, JSON.parse(changes['updated'][env_name]))
    end
  end
  []
  #rescue => e
  #  logger.error(e)
  #  [e.to_s]
end

#old_environments ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 128

def old_environments
  db_environments - actual_environments
end

#removed_classes_for(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 72

def removed_classes_for environment
  db_classes_name(environment) - actual_classes_name(environment)
end

#updated_classes(actual_params, db_params) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 104

def updated_classes(actual_params, db_params)
  updated = { }
  db_params.map do |p|
    param_name = p.to_s
    if !p.override && actual_params.has_key?(param_name) && actual_params[param_name] != p.default_value
      updated[param_name] = actual_params[param_name]
    end
  end
  updated
end

#updated_classes_for(environment) ⇒ Object 


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# File 'app/models/puppet_class_importer.rb', line 76

def updated_classes_for environment
  return [] unless db_environments.include?(environment) && actual_environments.include?(environment)
  HashWithIndifferentAccess[
    db_classes(environment).map do |db_class|
      params = EnvironmentClass.all_parameters_for_class(db_class.id, find_or_create_env(environment).id).map(&:lookup_key)
      compare_classes(environment, db_class.name, params)
    end.compact
  ]
end