160 lines
4.4 KiB
Ruby
160 lines
4.4 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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class Config
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module External
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module File
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class Base
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include Gitlab::Utils::StrongMemoize
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attr_reader :location, :params, :context, :errors
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YAML_WHITELIST_EXTENSION = /.+\.(yml|yaml)$/i.freeze
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def initialize(params, context)
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@params = params
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@context = context
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@errors = []
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end
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def matching?
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location.present?
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end
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def invalid_location_type?
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!location.is_a?(String)
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end
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def invalid_extension?
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location.nil? || !::File.basename(location).match?(YAML_WHITELIST_EXTENSION)
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end
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def valid?
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errors.none?
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end
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def error_message
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errors.first
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end
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def content
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raise NotImplementedError, 'subclass must implement fetching raw content'
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end
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def to_hash
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expanded_content_hash
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end
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def validate!
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validate_execution_time!
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validate_location!
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validate_context! if valid?
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fetch_and_validate_content! if valid?
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load_and_validate_expanded_hash! if valid?
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end
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def metadata
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{
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context_project: context.project&.full_path,
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context_sha: context.sha
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}
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end
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def eql?(other)
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other.hash == hash
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end
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def hash
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[params, context.project&.full_path, context.sha].hash
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end
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protected
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def expanded_content_hash
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return unless content_hash
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strong_memoize(:expanded_content_yaml) do
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expand_includes(content_hash)
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end
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end
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def content_hash
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strong_memoize(:content_yaml) do
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::Gitlab::Ci::Config::Yaml.load!(content)
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end
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rescue Gitlab::Config::Loader::FormatError
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nil
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end
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def validate_execution_time!
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context.check_execution_time!
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end
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def validate_location!
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if invalid_location_type?
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errors.push("Included file `#{masked_location}` needs to be a string")
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elsif invalid_extension?
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errors.push("Included file `#{masked_location}` does not have YAML extension!")
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end
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end
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def validate_context!
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raise NotImplementedError, 'subclass must implement validate_context'
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end
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def fetch_and_validate_content!
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context.logger.instrument(:config_file_fetch_content) do
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content # calling the method fetches then memoizes the result
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end
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return if errors.any?
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context.logger.instrument(:config_file_validate_content) do
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validate_content!
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end
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end
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def load_and_validate_expanded_hash!
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context.logger.instrument(:config_file_fetch_content_hash) do
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content_hash # calling the method loads then memoizes the result
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end
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context.logger.instrument(:config_file_expand_content_includes) do
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expanded_content_hash # calling the method expands then memoizes the result
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end
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validate_hash!
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end
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def validate_content!
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if content.blank?
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errors.push("Included file `#{masked_location}` is empty or does not exist!")
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end
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end
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def validate_hash!
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if to_hash.blank?
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errors.push("Included file `#{masked_location}` does not have valid YAML syntax!")
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end
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end
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def expand_includes(hash)
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External::Processor.new(hash, context.mutate(expand_context_attrs)).perform
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end
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def expand_context_attrs
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{}
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end
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def masked_location
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strong_memoize(:masked_location) do
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context.mask_variables_from(location)
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end
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end
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end
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end
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end
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end
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end
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end
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