debian-mirror-gitlab/app/models/environment.rb

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class Environment < ActiveRecord::Base
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# Used to generate random suffixes for the slug
LETTERS = 'a'..'z'
NUMBERS = '0'..'9'
SUFFIX_CHARS = LETTERS.to_a + NUMBERS.to_a
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belongs_to :project, required: true
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has_many :deployments, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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has_one :last_deployment, -> { order('deployments.id DESC') }, class_name: 'Deployment'
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before_validation :nullify_external_url
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before_validation :generate_slug, if: ->(env) { env.slug.blank? }
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before_save :set_environment_type
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validates :name,
presence: true,
uniqueness: { scope: :project_id },
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length: { maximum: 255 },
format: { with: Gitlab::Regex.environment_name_regex,
message: Gitlab::Regex.environment_name_regex_message }
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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 }
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validates :external_url,
length: { maximum: 255 },
allow_nil: true,
addressable_url: true
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delegate :stop_action, :manual_actions, to: :last_deployment, allow_nil: true
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scope :available, -> { with_state(:available) }
scope :stopped, -> { with_state(:stopped) }
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scope :order_by_last_deployed_at, -> do
max_deployment_id_sql =
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Deployment.select(Deployment.arel_table[:id].maximum)
.where(Deployment.arel_table[:environment_id].eq(arel_table[:id]))
.to_sql
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order(Gitlab::Database.nulls_first_order("(#{max_deployment_id_sql})", 'ASC'))
end
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scope :in_review_folder, -> { where(environment_type: "review") }
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state_machine :state, initial: :available do
event :start do
transition stopped: :available
end
event :stop do
transition available: :stopped
end
state :available
state :stopped
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after_transition do |environment|
environment.expire_etag_cache
end
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end
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def predefined_variables
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Gitlab::Ci::Variables::Collection.new
.append(key: 'CI_ENVIRONMENT_NAME', value: name)
.append(key: 'CI_ENVIRONMENT_SLUG', value: slug)
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end
def recently_updated_on_branch?(ref)
ref.to_s == last_deployment.try(:ref)
end
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def nullify_external_url
self.external_url = nil if self.external_url.blank?
end
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def set_environment_type
names = name.split('/')
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self.environment_type = names.many? ? names.first : nil
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end
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def includes_commit?(commit)
return false unless last_deployment
last_deployment.includes_commit?(commit)
end
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def last_deployed_at
last_deployment.try(:created_at)
end
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def update_merge_request_metrics?
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folder_name == "production"
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end
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def first_deployment_for(commit_sha)
ref = project.repository.ref_name_for_sha(ref_path, commit_sha)
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return nil unless ref
deployment_iid = ref.split('/').last
deployments.find_by(iid: deployment_iid)
end
def ref_path
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"refs/#{Repository::REF_ENVIRONMENTS}/#{slug}"
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end
def formatted_external_url
return nil unless external_url
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external_url.gsub(%r{\A.*?://}, '')
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end
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def stop_action?
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available? && stop_action.present?
end
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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?
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project.deployment_platform.present? && available? && last_deployment.present?
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end
def terminals
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project.deployment_platform.terminals(self) if has_terminals?
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end
def has_metrics?
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prometheus_adapter&.can_query? && available? && last_deployment.present?
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end
def metrics
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prometheus_adapter.query(:environment, self) if has_metrics?
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end
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def additional_metrics
prometheus_adapter.query(:additional_metrics_environment, self) if has_metrics?
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end
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def prometheus_adapter
@prometheus_adapter ||= Prometheus::AdapterService.new(project, deployment_platform).prometheus_adapter
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end
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def slug
super.presence || generate_slug
end
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# 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
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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.project_environments_path(
project,
format: :json)
end
def folder_name
self.environment_type || self.name
end
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def deployment_platform
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project.deployment_platform(environment: self.name)
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end
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private
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# 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
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end
end