class Environment < ActiveRecord::Base # Used to generate random suffixes for the slug NUMBERS = '0'..'9' SUFFIX_CHARS = ('a'..'z').to_a + NUMBERS.to_a belongs_to :project, required: true, validate: true has_many :deployments 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) } state_machine :state, initial: :available do event :start do transition stopped: :available end event :stop do transition available: :stopped end state :available state :stopped 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 last_deployment deployments.last 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 update_merge_request_metrics? self.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 stoppable? available? && stop_action.present? end def stop!(current_user) return unless stoppable? 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 # 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 if NUMBERS.cover?(slugified[0]) # Maximum length: 24 characters (OpenShift limitation) slugified = slugified[0..23] # Cannot end with a "-" character (Kubernetes label limitation) slugified = slugified[0..-2] if slugified[-1] == "-" # Add a random suffix, shortening the current string if necessary, if it # has been slugified. This ensures uniqueness. slugified = slugified[0..16] + "-" + random_suffix if slugified != name self.slug = slugified 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