gitlab-org--gitlab-foss/app/models/remote_mirror.rb
2019-08-29 16:19:07 +00:00

306 lines
7.4 KiB
Ruby

# frozen_string_literal: true
class RemoteMirror < ApplicationRecord
include AfterCommitQueue
include MirrorAuthentication
MAX_FIRST_RUNTIME = 3.hours
MAX_INCREMENTAL_RUNTIME = 1.hour
PROTECTED_BACKOFF_DELAY = 1.minute
UNPROTECTED_BACKOFF_DELAY = 5.minutes
attr_encrypted :credentials,
key: Settings.attr_encrypted_db_key_base,
marshal: true,
encode: true,
mode: :per_attribute_iv_and_salt,
insecure_mode: true,
algorithm: 'aes-256-cbc'
belongs_to :project, inverse_of: :remote_mirrors
validates :url, presence: true, public_url: { schemes: %w(ssh git http https), allow_blank: true, enforce_user: true }
before_save :set_new_remote_name, if: :mirror_url_changed?
after_save :set_override_remote_mirror_available, unless: -> { Gitlab::CurrentSettings.current_application_settings.mirror_available }
after_save :refresh_remote, if: :saved_change_to_mirror_url?
after_update :reset_fields, if: :saved_change_to_mirror_url?
after_commit :remove_remote, on: :destroy
before_validation :store_credentials
scope :enabled, -> { where(enabled: true) }
scope :started, -> { with_update_status(:started) }
scope :stuck, -> do
started
.where('(last_update_started_at < ? AND last_update_at IS NOT NULL)',
MAX_INCREMENTAL_RUNTIME.ago)
.or(where('(last_update_started_at < ? AND last_update_at IS NULL)',
MAX_FIRST_RUNTIME.ago))
end
state_machine :update_status, initial: :none do
event :update_start do
transition any => :started
end
event :update_finish do
transition started: :finished
end
event :update_fail do
transition started: :failed
end
event :update_retry do
transition started: :to_retry
end
state :started
state :finished
state :failed
state :to_retry
after_transition any => :started do |remote_mirror, _|
Gitlab::Metrics.add_event(:remote_mirrors_running)
remote_mirror.update(last_update_started_at: Time.now)
end
after_transition started: :finished do |remote_mirror, _|
Gitlab::Metrics.add_event(:remote_mirrors_finished)
timestamp = Time.now
remote_mirror.update!(
last_update_at: timestamp,
last_successful_update_at: timestamp,
last_error: nil,
error_notification_sent: false
)
end
after_transition started: :failed do |remote_mirror|
Gitlab::Metrics.add_event(:remote_mirrors_failed)
remote_mirror.update(last_update_at: Time.now)
remote_mirror.run_after_commit do
RemoteMirrorNotificationWorker.perform_async(remote_mirror.id)
end
end
end
def remote_name
super || fallback_remote_name
end
def update_failed?
update_status == 'failed'
end
def update_in_progress?
update_status == 'started'
end
def update_repository(options)
if ssh_mirror_url?
if ssh_key_auth? && ssh_private_key.present?
options[:ssh_key] = ssh_private_key
end
if ssh_known_hosts.present?
options[:known_hosts] = ssh_known_hosts
end
end
Gitlab::Git::RemoteMirror.new(
project.repository.raw,
remote_name,
**options
).update
end
def sync?
enabled?
end
def sync
return unless sync?
if recently_scheduled?
RepositoryUpdateRemoteMirrorWorker.perform_in(backoff_delay, self.id, Time.now)
else
RepositoryUpdateRemoteMirrorWorker.perform_async(self.id, Time.now)
end
end
def enabled
return false unless project && super
return false unless project.remote_mirror_available?
return false unless project.repository_exists?
return false if project.pending_delete?
true
end
alias_method :enabled?, :enabled
def disabled?
!enabled?
end
def updated_since?(timestamp)
return false if failed?
last_update_started_at && last_update_started_at > timestamp
end
def mark_for_delete_if_blank_url
mark_for_destruction if url.blank?
end
def update_error_message(error_message)
self.last_error = Gitlab::UrlSanitizer.sanitize(error_message)
end
def mark_for_retry!(error_message)
update_error_message(error_message)
update_retry!
end
def mark_as_failed!(error_message)
update_error_message(error_message)
update_fail!
end
def url=(value)
super(value) && return unless Gitlab::UrlSanitizer.valid?(value)
mirror_url = Gitlab::UrlSanitizer.new(value)
self.credentials ||= {}
self.credentials = self.credentials.merge(mirror_url.credentials)
super(mirror_url.sanitized_url)
end
def url
if super
Gitlab::UrlSanitizer.new(super, credentials: credentials).full_url
end
rescue
super
end
def safe_url
return if url.nil?
result = URI.parse(url)
result.password = '*****' if result.password
result.user = '*****' if result.user && result.user != 'git' # tokens or other data may be saved as user
result.to_s
rescue URI::Error
end
def ensure_remote!
return unless project
return unless remote_name && remote_url
# If this fails or the remote already exists, we won't know due to
# https://gitlab.com/gitlab-org/gitaly/issues/1317
project.repository.add_remote(remote_name, remote_url)
end
def after_sent_notification
update_column(:error_notification_sent, true)
end
def backoff_delay
if self.only_protected_branches
PROTECTED_BACKOFF_DELAY
else
UNPROTECTED_BACKOFF_DELAY
end
end
def max_runtime
last_update_at.present? ? MAX_INCREMENTAL_RUNTIME : MAX_FIRST_RUNTIME
end
private
def store_credentials
# This is a necessary workaround for attr_encrypted, which doesn't otherwise
# notice that the credentials have changed
self.credentials = self.credentials
end
# The remote URL omits any password if SSH public-key authentication is in use
def remote_url
return url unless ssh_key_auth? && password.present?
Gitlab::UrlSanitizer.new(read_attribute(:url), credentials: { user: user }).full_url
rescue
super
end
def fallback_remote_name
return unless id
"remote_mirror_#{id}"
end
def recently_scheduled?
return false unless self.last_update_started_at
self.last_update_started_at >= Time.now - backoff_delay
end
def reset_fields
update_columns(
last_error: nil,
last_update_at: nil,
last_successful_update_at: nil,
update_status: 'finished',
error_notification_sent: false
)
end
def set_override_remote_mirror_available
enabled = read_attribute(:enabled)
project.update(remote_mirror_available_overridden: enabled)
end
def set_new_remote_name
self.remote_name = "remote_mirror_#{SecureRandom.hex}"
end
def refresh_remote
return unless project
# Before adding a new remote we have to delete the data from
# the previous remote name
prev_remote_name = remote_name_before_last_save || fallback_remote_name
run_after_commit do
project.repository.async_remove_remote(prev_remote_name)
end
project.repository.add_remote(remote_name, remote_url)
end
def remove_remote
return unless project # could be pending to delete so don't need to touch the git repository
project.repository.async_remove_remote(remote_name)
end
def mirror_url_changed?
url_changed? || credentials_changed?
end
def saved_change_to_mirror_url?
saved_change_to_url? || saved_change_to_credentials?
end
end