352 lines
12 KiB
Ruby
352 lines
12 KiB
Ruby
module Ci
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class GitlabCiYamlProcessor
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class ValidationError < StandardError; end
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include Gitlab::Ci::Config::Node::ValidationHelpers
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DEFAULT_STAGES = %w(build test deploy)
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DEFAULT_STAGE = 'test'
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ALLOWED_YAML_KEYS = [:before_script, :after_script, :image, :services, :types, :stages, :variables, :cache]
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ALLOWED_JOB_KEYS = [:tags, :script, :only, :except, :type, :image, :services,
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:allow_failure, :type, :stage, :when, :artifacts, :cache,
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:dependencies, :before_script, :after_script, :variables,
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:environment]
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ALLOWED_CACHE_KEYS = [:key, :untracked, :paths]
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ALLOWED_ARTIFACTS_KEYS = [:name, :untracked, :paths, :when, :expire_in]
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attr_reader :after_script, :image, :services, :path, :cache
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def initialize(config, path = nil)
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@ci_config = Gitlab::Ci::Config.new(config)
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@config = @ci_config.to_hash
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@path = path
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initial_parsing
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validate!
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rescue Gitlab::Ci::Config::Loader::FormatError => e
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raise ValidationError, e.message
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end
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def builds_for_stage_and_ref(stage, ref, tag = false, trigger_request = nil)
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builds.select do |build|
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build[:stage] == stage &&
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process?(build[:only], build[:except], ref, tag, trigger_request)
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end
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end
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def builds
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@jobs.map do |name, job|
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build_job(name, job)
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end
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end
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def stages
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@stages || DEFAULT_STAGES
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end
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def global_variables
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@variables
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end
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def job_variables(name)
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job = @jobs[name.to_sym]
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return [] unless job
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job[:variables] || []
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end
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private
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def initial_parsing
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@after_script = @config[:after_script]
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@image = @config[:image]
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@services = @config[:services]
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@stages = @config[:stages] || @config[:types]
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@variables = @config[:variables] || {}
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@cache = @config[:cache]
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@jobs = {}
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@config.except!(*ALLOWED_YAML_KEYS)
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@config.each { |name, param| add_job(name, param) }
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raise ValidationError, "Please define at least one job" if @jobs.none?
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end
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def add_job(name, job)
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return if name.to_s.start_with?('.')
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raise ValidationError, "Unknown parameter: #{name}" unless job.is_a?(Hash) && job.has_key?(:script)
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stage = job[:stage] || job[:type] || DEFAULT_STAGE
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@jobs[name] = { stage: stage }.merge(job)
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end
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def build_job(name, job)
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{
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stage_idx: stages.index(job[:stage]),
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stage: job[:stage],
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commands: [job[:before_script] || [@ci_config.before_script], job[:script]].flatten.compact.join("\n"),
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tag_list: job[:tags] || [],
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name: name,
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only: job[:only],
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except: job[:except],
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allow_failure: job[:allow_failure] || false,
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when: job[:when] || 'on_success',
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environment: job[:environment],
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options: {
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image: job[:image] || @image,
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services: job[:services] || @services,
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artifacts: job[:artifacts],
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cache: job[:cache] || @cache,
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dependencies: job[:dependencies],
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after_script: job[:after_script] || @after_script,
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}.compact
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}
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end
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def validate!
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unless @ci_config.valid?
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raise ValidationError, @ci_config.errors.first
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end
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validate_global!
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@jobs.each do |name, job|
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validate_job!(name, job)
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end
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true
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end
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def validate_global!
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unless @after_script.nil? || validate_array_of_strings(@after_script)
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raise ValidationError, "after_script should be an array of strings"
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end
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unless @image.nil? || @image.is_a?(String)
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raise ValidationError, "image should be a string"
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end
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unless @services.nil? || validate_array_of_strings(@services)
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raise ValidationError, "services should be an array of strings"
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end
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unless @stages.nil? || validate_array_of_strings(@stages)
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raise ValidationError, "stages should be an array of strings"
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end
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unless @variables.nil? || validate_variables(@variables)
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raise ValidationError, "variables should be a map of key-value strings"
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end
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validate_global_cache! if @cache
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end
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def validate_global_cache!
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@cache.keys.each do |key|
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unless ALLOWED_CACHE_KEYS.include? key
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raise ValidationError, "#{name} cache unknown parameter #{key}"
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end
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end
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if @cache[:key] && !validate_string(@cache[:key])
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raise ValidationError, "cache:key parameter should be a string"
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end
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if @cache[:untracked] && !validate_boolean(@cache[:untracked])
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raise ValidationError, "cache:untracked parameter should be an boolean"
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end
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if @cache[:paths] && !validate_array_of_strings(@cache[:paths])
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raise ValidationError, "cache:paths parameter should be an array of strings"
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end
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end
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def validate_job!(name, job)
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validate_job_name!(name)
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validate_job_keys!(name, job)
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validate_job_types!(name, job)
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validate_job_script!(name, job)
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validate_job_stage!(name, job) if job[:stage]
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validate_job_variables!(name, job) if job[:variables]
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validate_job_cache!(name, job) if job[:cache]
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validate_job_artifacts!(name, job) if job[:artifacts]
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validate_job_dependencies!(name, job) if job[:dependencies]
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end
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def validate_job_name!(name)
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if name.blank? || !validate_string(name)
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raise ValidationError, "job name should be non-empty string"
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end
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end
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def validate_job_keys!(name, job)
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job.keys.each do |key|
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unless ALLOWED_JOB_KEYS.include? key
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raise ValidationError, "#{name} job: unknown parameter #{key}"
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end
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end
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end
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def validate_job_types!(name, job)
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if job[:image] && !validate_string(job[:image])
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raise ValidationError, "#{name} job: image should be a string"
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end
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if job[:services] && !validate_array_of_strings(job[:services])
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raise ValidationError, "#{name} job: services should be an array of strings"
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end
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if job[:tags] && !validate_array_of_strings(job[:tags])
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raise ValidationError, "#{name} job: tags parameter should be an array of strings"
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end
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if job[:only] && !validate_array_of_strings_or_regexps(job[:only])
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raise ValidationError, "#{name} job: only parameter should be an array of strings or regexps"
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end
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if job[:except] && !validate_array_of_strings_or_regexps(job[:except])
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raise ValidationError, "#{name} job: except parameter should be an array of strings or regexps"
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end
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if job[:allow_failure] && !validate_boolean(job[:allow_failure])
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raise ValidationError, "#{name} job: allow_failure parameter should be an boolean"
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end
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if job[:when] && !job[:when].in?(%w[on_success on_failure always])
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raise ValidationError, "#{name} job: when parameter should be on_success, on_failure or always"
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end
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if job[:environment] && !validate_environment(job[:environment])
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raise ValidationError, "#{name} job: environment parameter #{Gitlab::Regex.environment_name_regex_message}"
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end
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end
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def validate_job_script!(name, job)
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if !validate_string(job[:script]) && !validate_array_of_strings(job[:script])
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raise ValidationError, "#{name} job: script should be a string or an array of a strings"
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end
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if job[:before_script] && !validate_array_of_strings(job[:before_script])
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raise ValidationError, "#{name} job: before_script should be an array of strings"
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end
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if job[:after_script] && !validate_array_of_strings(job[:after_script])
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raise ValidationError, "#{name} job: after_script should be an array of strings"
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end
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end
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def validate_job_stage!(name, job)
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unless job[:stage].is_a?(String) && job[:stage].in?(stages)
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raise ValidationError, "#{name} job: stage parameter should be #{stages.join(", ")}"
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end
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end
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def validate_job_variables!(name, job)
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unless validate_variables(job[:variables])
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raise ValidationError,
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"#{name} job: variables should be a map of key-value strings"
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end
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end
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def validate_job_cache!(name, job)
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job[:cache].keys.each do |key|
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unless ALLOWED_CACHE_KEYS.include? key
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raise ValidationError, "#{name} job: cache unknown parameter #{key}"
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end
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end
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if job[:cache][:key] && !validate_string(job[:cache][:key])
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raise ValidationError, "#{name} job: cache:key parameter should be a string"
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end
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if job[:cache][:untracked] && !validate_boolean(job[:cache][:untracked])
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raise ValidationError, "#{name} job: cache:untracked parameter should be an boolean"
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end
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if job[:cache][:paths] && !validate_array_of_strings(job[:cache][:paths])
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raise ValidationError, "#{name} job: cache:paths parameter should be an array of strings"
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end
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end
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def validate_job_artifacts!(name, job)
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job[:artifacts].keys.each do |key|
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unless ALLOWED_ARTIFACTS_KEYS.include? key
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raise ValidationError, "#{name} job: artifacts unknown parameter #{key}"
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end
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end
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if job[:artifacts][:name] && !validate_string(job[:artifacts][:name])
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raise ValidationError, "#{name} job: artifacts:name parameter should be a string"
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end
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if job[:artifacts][:untracked] && !validate_boolean(job[:artifacts][:untracked])
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raise ValidationError, "#{name} job: artifacts:untracked parameter should be an boolean"
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end
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if job[:artifacts][:paths] && !validate_array_of_strings(job[:artifacts][:paths])
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raise ValidationError, "#{name} job: artifacts:paths parameter should be an array of strings"
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end
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if job[:artifacts][:when] && !job[:artifacts][:when].in?(%w[on_success on_failure always])
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raise ValidationError, "#{name} job: artifacts:when parameter should be on_success, on_failure or always"
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end
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if job[:artifacts][:expire_in] && !validate_duration(job[:artifacts][:expire_in])
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raise ValidationError, "#{name} job: artifacts:expire_in parameter should be a duration"
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end
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end
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def validate_job_dependencies!(name, job)
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unless validate_array_of_strings(job[:dependencies])
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raise ValidationError, "#{name} job: dependencies parameter should be an array of strings"
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end
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stage_index = stages.index(job[:stage])
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job[:dependencies].each do |dependency|
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raise ValidationError, "#{name} job: undefined dependency: #{dependency}" unless @jobs[dependency.to_sym]
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unless stages.index(@jobs[dependency.to_sym][:stage]) < stage_index
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raise ValidationError, "#{name} job: dependency #{dependency} is not defined in prior stages"
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end
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end
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end
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def process?(only_params, except_params, ref, tag, trigger_request)
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if only_params.present?
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return false unless matching?(only_params, ref, tag, trigger_request)
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end
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if except_params.present?
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return false if matching?(except_params, ref, tag, trigger_request)
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end
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true
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end
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def matching?(patterns, ref, tag, trigger_request)
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patterns.any? do |pattern|
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match_ref?(pattern, ref, tag, trigger_request)
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end
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end
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def match_ref?(pattern, ref, tag, trigger_request)
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pattern, path = pattern.split('@', 2)
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return false if path && path != self.path
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return true if tag && pattern == 'tags'
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return true if !tag && pattern == 'branches'
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return true if trigger_request.present? && pattern == 'triggers'
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if pattern.first == "/" && pattern.last == "/"
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Regexp.new(pattern[1...-1]) =~ ref
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else
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pattern == ref
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end
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end
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end
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end
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