Class: ImageSearchController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/image_search_controller.rb

Instance Method Summary collapse

Instance Method Details

#action_permission ⇒ Object 



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

def action_permission
  case params[:action]
  when 'auto_complete_repository_name', 'auto_complete_image_tag', 'search_repository'
    :search_repository
  else
    super
  end
end

#auto_complete_image_tag ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 20

def auto_complete_image_tag
  catch_network_errors do
    # This is the format jQuery UI autocomplete expects
    tags = if use_hub?
             hub_auto_complete_image_tags(params[:search])
           else
             registry_auto_complete_image_tags(params[:search])
           end
    respond_to do |format|
      format.js do
        tags.map! { |tag| { :label => CGI.escapeHTML(tag), :value => CGI.escapeHTML(tag) } }
        render :json => tags
      end
    end
  end
end

#auto_complete_repository_name ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 9

def auto_complete_repository_name
  catch_network_errors do
    text = if use_hub?
             hub_image_exists?(params[:search])
           else
             registry_image_exists?(params[:search])
           end
    render :text => text.to_s
  end
end

#catch_network_errors ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 55

def catch_network_errors
  yield
rescue Docker::Error::NotFoundError => e
  # not an error
  logger.debug "image not found: #{e.backtrace}"
  render :js, :nothing => true
rescue Docker::Error::DockerError, Excon::Errors::Error, SystemCallError => e
  render :js => _("An error occured during repository search: '%s'") % e.message,
         :status => 500
end

#find_resource ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 125

def find_resource
  if params[:registry_id].present?
    @registry = DockerRegistry.authorized(:view_registries).find(params[:registry_id])
  else
    @compute_resource = ComputeResource.authorized(:view_compute_resources).find(params[:id])
  end
rescue ActiveRecord::RecordNotFound
  not_found
end

#hub_auto_complete_image_tags(terms) ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 74

def hub_auto_complete_image_tags(terms)
  @compute_resource.tags(terms)
end

#hub_image_exists?(terms) ⇒ Boolean 



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# File 'app/controllers/image_search_controller.rb', line 70

def hub_image_exists?(terms)
  @compute_resource.exist?(terms)
end

#hub_search_image(terms) ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 78

def hub_search_image(terms)
  @compute_resource.search(terms).map do |item|
    # el7 returns -> "name" => "docker.io: docker.io/centos",
    # while f20 returns -> "name" => "centos"
    # we need repo name to be => "docker.io/centos" for el7 and "centos" for fedora
    # to ensure proper search with respect to the tags, image creation etc.
    new_item = item.clone
    new_item["name"] = item["name"].split.last
    new_item
  end
end

#registry_auto_complete_image_tags(terms) ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 103

def registry_auto_complete_image_tags(terms)
  ::Service::RegistryApi.new(:url => @registry.url,
                             :user => @registry.username,
                             :password => @registry.password).list_repository_tags(terms).keys
end

#registry_image_exists?(term) ⇒ Boolean 



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# File 'app/controllers/image_search_controller.rb', line 90

def registry_image_exists?(term)
  result = ::Service::RegistryApi.new(:url => @registry.url,
                                      :user => @registry.username,
                                      :password => @registry.password).search(term)
  registry_name = if term.split('/').size > 1
                    term
                  else
                    "library/#{term}"
                  end

  result['results'].any? { |r| r['name'] == registry_name }
end

#registry_search_image(terms) ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 109

def registry_search_image(terms)
  r = ::Service::RegistryApi.new(:url => @registry.url,
                                 :user => @registry.username,
                                 :password => @registry.password).search(terms)
  r['results']
end

#search_repository ⇒ Object 



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# File 'app/controllers/image_search_controller.rb', line 37

def search_repository
  catch_network_errors do
    repositories = if use_hub?
                     hub_search_image(params[:search])
                   else
                     registry_search_image(params[:search])
                   end

    respond_to do |format|
      format.js do
        render :partial => 'repository_search_results',
               :locals  => { :repositories => repositories,
                             :use_hub => use_hub? }
      end
    end
  end
end

#use_hub? ⇒ Boolean 



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# File 'app/controllers/image_search_controller.rb', line 66

def use_hub?
  @registry.nil?
end