class Environment < ActiveRecord::Base # Used to generate random suffixes for the slug LETTERS = 'a'..'z' NUMBERS = '0'..'9' SUFFIX_CHARS = LETTERS.to_a + NUMBERS.to_a belongs_to :project, required: true, validate: true has_many :deployments, dependent: :destroy has_one :last_deployment, -> { order('deployments.id DESC') }, class_name: 'Deployment' before_validation :nullify_external_url before_validation :generate_slug, if: ->(env) { env.slug.blank? } before_save :set_environment_type validates :name, presence: true, uniqueness: { scope: :project_id }, length: { maximum: 255 }, format: { with: Gitlab::Regex.environment_name_regex, message: Gitlab::Regex.environment_name_regex_message } validates :slug, presence: true, uniqueness: { scope: :project_id }, length: { maximum: 24 }, format: { with: Gitlab::Regex.environment_slug_regex, message: Gitlab::Regex.environment_slug_regex_message } validates :external_url, uniqueness: { scope: :project_id }, length: { maximum: 255 }, allow_nil: true, addressable_url: true delegate :stop_action, :manual_actions, to: :last_deployment, allow_nil: true scope :available, -> { with_state(:available) } scope :stopped, -> { with_state(:stopped) } scope :order_by_last_deployed_at, -> do max_deployment_id_sql = Deployment.select(Deployment.arel_table[:id].maximum). where(Deployment.arel_table[:environment_id].eq(arel_table[:id])). to_sql order(Gitlab::Database.nulls_first_order("(#{max_deployment_id_sql})", 'ASC')) end state_machine :state, initial: :available do event :start do transition stopped: :available end event :stop do transition available: :stopped end state :available state :stopped after_transition do |environment| environment.expire_etag_cache end end def predefined_variables [ { key: 'CI_ENVIRONMENT_NAME', value: name, public: true }, { key: 'CI_ENVIRONMENT_SLUG', value: slug, public: true } ] end def recently_updated_on_branch?(ref) ref.to_s == last_deployment.try(:ref) end def nullify_external_url self.external_url = nil if self.external_url.blank? end def set_environment_type names = name.split('/') self.environment_type = if names.many? names.first else nil end end def includes_commit?(commit) return false unless last_deployment last_deployment.includes_commit?(commit) end def last_deployed_at last_deployment.try(:created_at) end def update_merge_request_metrics? (environment_type || name) == "production" end def first_deployment_for(commit) ref = project.repository.ref_name_for_sha(ref_path, commit.sha) return nil unless ref deployment_iid = ref.split('/').last deployments.find_by(iid: deployment_iid) end def ref_path "refs/environments/#{Shellwords.shellescape(name)}" end def formatted_external_url return nil unless external_url external_url.gsub(/\A.*?:\/\//, '') end def stop_action? available? && stop_action.present? end def stop_with_action!(current_user) return unless available? stop! stop_action&.play(current_user) end def actions_for(environment) return [] unless manual_actions manual_actions.select do |action| action.expanded_environment_name == environment end end def has_terminals? project.deployment_service.present? && available? && last_deployment.present? end def terminals project.deployment_service.terminals(self) if has_terminals? end def has_metrics? project.monitoring_service.present? && available? && last_deployment.present? end def metrics project.monitoring_service.environment_metrics(self) if has_metrics? end # An environment name is not necessarily suitable for use in URLs, DNS # or other third-party contexts, so provide a slugified version. A slug has # the following properties: # * contains only lowercase letters (a-z), numbers (0-9), and '-' # * begins with a letter # * has a maximum length of 24 bytes (OpenShift limitation) # * cannot end with `-` def generate_slug # Lowercase letters and numbers only slugified = name.to_s.downcase.gsub(/[^a-z0-9]/, '-') # Must start with a letter slugified = 'env-' + slugified unless LETTERS.cover?(slugified[0]) # Repeated dashes are invalid (OpenShift limitation) slugified.gsub!(/\-+/, '-') # Maximum length: 24 characters (OpenShift limitation) slugified = slugified[0..23] # Cannot end with a dash (Kubernetes label limitation) slugified.chop! if slugified.end_with?('-') # Add a random suffix, shortening the current string if necessary, if it # has been slugified. This ensures uniqueness. if slugified != name slugified = slugified[0..16] slugified << '-' unless slugified.end_with?('-') slugified << random_suffix end self.slug = slugified end def external_url_for(path, commit_sha) return unless self.external_url public_path = project.public_path_for_source_path(path, commit_sha) return unless public_path [external_url, public_path].join('/') end def expire_etag_cache Gitlab::EtagCaching::Store.new.tap do |store| store.touch(etag_cache_key) end end def etag_cache_key Gitlab::Routing.url_helpers.namespace_project_environments_path( project.namespace, project, format: :json) end private # Slugifying a name may remove the uniqueness guarantee afforded by it being # based on name (which must be unique). To compensate, we add a random # 6-byte suffix in those circumstances. This is not *guaranteed* uniqueness, # but the chance of collisions is vanishingly small def random_suffix (0..5).map { SUFFIX_CHARS.sample }.join end end