Class: Environments

Inherits:
Application show all
Defined in:
app/controllers/environments.rb

Instance Method Summary collapse

Methods inherited from Application

#access_denied, #append_tree, #bad_request?, #binary?, #build_tree, #can_edit_admin?, #cleanup_session, #conflict?, #convert_newline_to_br, #determine_name, #forbidden?, #format_exception, #is_admin?, #is_last_admin?, #list_available_recipes_for, #load_cookbook_segment, #load_environments, #load_session_user, #login_required, #logout_and_redirect_to_login, #not_found?, #redirect_back_or_default, #require_admin, #segment_files, #show_plain_file, #store_location, #str_to_bool, #syntax_highlight

Instance Method Details

#create ⇒ Object

POST /environments



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# File 'app/controllers/environments.rb', line 53

def create
  @environment = Chef::Environment.new
  if @environment.update_from_params(processed_params=process_params)
    begin
      @environment.create
      redirect(url(:environments), :message => { :notice => "Created Environment #{@environment.name}" })
    rescue Net::HTTPServerException => e
      if conflict?(e)
        Chef::Log.debug("Got 409 conflict creating environment #{params[:name]}\n#{format_exception(e)}")
        redirect(url(:new_environment), :message => { :error => "An environment with that name already exists"})
      elsif forbidden?(e)
        # Currently it's not possible to get 403 here. I leave the code here for completeness and may be useful in the future.[nuo]
        Chef::Log.debug("Got 403 forbidden creating environment #{params[:name]}\n#{format_exception(e)}")
        redirect(url(:new_environment), :message => { :error => "Permission Denied. You do not have permission to create an environment."})
      else
        Chef::Log.error("Error communicating with the API server\n#{format_exception(e)}")
        raise
      end
    end
  else
    load_cookbooks
    # By rendering :new, the view shows errors from @environment.invalid_fields
    render :new
  end
end

#destroy ⇒ Object

DELETE /environments/:id



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# File 'app/controllers/environments.rb', line 116

def destroy
  begin
    @environment = Chef::Environment.load(params[:id])
    @environment.destroy
    redirect(absolute_url(:environments), :message => { :notice => "Environment #{@environment.name} deleted successfully." }, :permanent => true)
  rescue => e
    Chef::Log.error("#{e}\n#{e.backtrace.join("\n")}")
    @environment_list = Chef::Environment.list()
    @_message = {:error => "Could not delete environment #{params[:id]}: #{e.message}"}
    render :index
  end
end

#edit ⇒ Object

GET /environments/:id/edit



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# File 'app/controllers/environments.rb', line 80

def edit
  load_environment
  if @environment.name == "_default"
    msg = { :warning => "The '_default' environment cannot be edited." }
    redirect(url(:environments), :message => msg)
    return
  end
  load_cookbooks
  render
end

#index ⇒ Object

GET /environments



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# File 'app/controllers/environments.rb', line 28

def index
  @environment_list = begin
                        Chef::Environment.list
                      rescue => e
                        Chef::Log.error("#{e}\n#{e.backtrace.join("\n")}")
                        @_message = "Could not list environments"
                        {}
                      end
  render
end

#list_cookbooks ⇒ Object

GET /environments/:environment_id/cookbooks



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# File 'app/controllers/environments.rb', line 130

def list_cookbooks
  # TODO: rescue loading the environment
  @environment = Chef::Environment.load(params[:environment_id])
  @cookbooks = begin
                 r = Chef::REST.new(Chef::Config[:chef_server_url])
                 r.get_rest("/environments/#{params[:environment_id]}/cookbooks").inject({}) do |res, (cookbook, url)|
                   # we just want the cookbook name and the version
                   res[cookbook] = url.split('/').last
                   res
                 end
               rescue => e
                 Chef::Log.error("#{e}\n#{e.backtrace.join("\n")}")
                 @_message = "Could not load cookbooks for environment #{params[:environment_id]}"
                 {}
               end
  render
end

#list_nodes ⇒ Object

GET /environments/:environment_id/nodes



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# File 'app/controllers/environments.rb', line 149

def list_nodes
  # TODO: rescue loading the environment
  @environment = Chef::Environment.load(params[:environment_id])
  @nodes = begin
             r = Chef::REST.new(Chef::Config[:chef_server_url])
             r.get_rest("/environments/#{params[:environment_id]}/nodes").keys.sort
           rescue => e
             Chef::Log.error("#{e}\n#{e.backtrace.join("\n")}")
             @_message = "Could not load nodes for environment #{params[:environment_id]}"
             []
           end
  render
end

#list_recipes ⇒ Object

GET /environments/:environment/recipes



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# File 'app/controllers/environments.rb', line 164

def list_recipes
  provides :json
  display(:recipes => list_available_recipes_for(params[:environment_id]))
end

#new ⇒ Object

GET /environemnts/new



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# File 'app/controllers/environments.rb', line 46

def new
  @environment = Chef::Environment.new
  load_cookbooks
  render :new
end

#select_environment ⇒ Object

GET /environments/:environment_id/set



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# File 'app/controllers/environments.rb', line 170

def select_environment
  name = params[:environment_id]
  referer = request.referer || "/nodes"
  if name == '_none'
    session[:environment] = nil
  else
    # TODO: check if environment exists
    session[:environment] = name
  end
  redirect referer
end

#show ⇒ Object

GET /environments/:id



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# File 'app/controllers/environments.rb', line 40

def show
  load_environment
  render
end

#update ⇒ Object

PUT /environments/:id



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# File 'app/controllers/environments.rb', line 92

def update
  load_environment
  if @environment.update_from_params(process_params(params[:id]))
    begin
      @environment.save
      redirect(url(:environment, @environment.name), :message => { :notice => "Updated Environment #{@environment.name}" })
    rescue Net::HTTPServerException => e
      if forbidden?(e)
        # Currently it's not possible to get 403 here. I leave the code here for completeness and may be useful in the future.[nuo]
        Chef::Log.debug("Got 403 forbidden updating environment #{params[:name]}\n#{format_exception(e)}")
        redirect(url(:edit_environment), :message => { :error => "Permission Denied. You do not have permission to update an environment."})
      else
        Chef::Log.error("Error communicating with the API server\n#{format_exception(e)}")
        raise
      end
    end
  else
    load_cookbooks
    # By rendering :new, the view shows errors from @environment.invalid_fields
    render :edit
  end
end