gitlab-org--gitlab-foss/lib/ci/gitlab_ci_yaml_processor.rb
2017-06-08 00:34:59 +09:00

239 lines
6.4 KiB
Ruby

module Ci
class GitlabCiYamlProcessor
ValidationError = Class.new(StandardError)
include Gitlab::Ci::Config::Entry::LegacyValidationHelpers
attr_reader :path, :cache, :stages, :jobs
def initialize(config, path = nil)
@ci_config = Gitlab::Ci::Config.new(config)
@config = @ci_config.to_hash
@path = path
unless @ci_config.valid?
raise ValidationError, @ci_config.errors.first
end
initial_parsing
rescue Gitlab::Ci::Config::Loader::FormatError => e
raise ValidationError, e.message
end
def jobs_for_ref(ref, tag = false, source = nil)
@jobs.select do |_, job|
process?(job[:only], job[:except], ref, tag, source)
end
end
def jobs_for_stage_and_ref(stage, ref, tag = false, source = nil)
jobs_for_ref(ref, tag, source).select do |_, job|
job[:stage] == stage
end
end
def builds_for_ref(ref, tag = false, source = nil)
jobs_for_ref(ref, tag, source).map do |name, _|
build_attributes(name)
end
end
def builds_for_stage_and_ref(stage, ref, tag = false, source = nil)
jobs_for_stage_and_ref(stage, ref, tag, source).map do |name, _|
build_attributes(name)
end
end
def builds
@jobs.map do |name, _|
build_attributes(name)
end
end
def stage_seeds(pipeline)
seeds = @stages.uniq.map do |stage|
builds = builds_for_stage_and_ref(
stage, pipeline.ref, pipeline.tag?, pipeline.source)
Gitlab::Ci::Stage::Seed.new(pipeline, stage, builds) if builds.any?
end
seeds.compact
end
def build_attributes(name)
job = @jobs[name.to_sym] || {}
{ stage_idx: @stages.index(job[:stage]),
stage: job[:stage],
commands: job[:commands],
tag_list: job[:tags] || [],
name: job[:name].to_s,
allow_failure: job[:ignore],
when: job[:when] || 'on_success',
environment: job[:environment_name],
coverage_regex: job[:coverage],
yaml_variables: yaml_variables(name),
options: {
image: job[:image],
services: job[:services],
artifacts: job[:artifacts],
cache: job[:cache],
dependencies: job[:dependencies],
after_script: job[:after_script],
environment: job[:environment]
}.compact }
end
def self.validation_message(content)
return 'Please provide content of .gitlab-ci.yml' if content.blank?
begin
Ci::GitlabCiYamlProcessor.new(content)
nil
rescue ValidationError, Psych::SyntaxError => e
e.message
end
end
private
def initial_parsing
##
# Global config
#
@before_script = @ci_config.before_script
@image = @ci_config.image
@after_script = @ci_config.after_script
@services = @ci_config.services
@variables = @ci_config.variables
@stages = @ci_config.stages
@cache = @ci_config.cache
##
# Jobs
#
@jobs = @ci_config.jobs
@jobs.each do |name, job|
# logical validation for job
validate_job_stage!(name, job)
validate_job_dependencies!(name, job)
validate_job_environment!(name, job)
end
end
def yaml_variables(name)
variables = (@variables || {})
.merge(job_variables(name))
variables.map do |key, value|
{ key: key.to_s, value: value, public: true }
end
end
def job_variables(name)
job = @jobs[name.to_sym]
return {} unless job
job[:variables] || {}
end
def validate_job_stage!(name, job)
return unless job[:stage]
unless job[:stage].is_a?(String) && job[:stage].in?(@stages)
raise ValidationError, "#{name} job: stage parameter should be #{@stages.join(", ")}"
end
end
def validate_job_dependencies!(name, job)
return unless job[:dependencies]
stage_index = @stages.index(job[:stage])
job[:dependencies].each do |dependency|
raise ValidationError, "#{name} job: undefined dependency: #{dependency}" unless @jobs[dependency.to_sym]
unless @stages.index(@jobs[dependency.to_sym][:stage]) < stage_index
raise ValidationError, "#{name} job: dependency #{dependency} is not defined in prior stages"
end
end
end
def validate_job_environment!(name, job)
return unless job[:environment]
return unless job[:environment].is_a?(Hash)
environment = job[:environment]
validate_on_stop_job!(name, environment, environment[:on_stop])
end
def validate_on_stop_job!(name, environment, on_stop)
return unless on_stop
on_stop_job = @jobs[on_stop.to_sym]
unless on_stop_job
raise ValidationError, "#{name} job: on_stop job #{on_stop} is not defined"
end
unless on_stop_job[:environment]
raise ValidationError, "#{name} job: on_stop job #{on_stop} does not have environment defined"
end
unless on_stop_job[:environment][:name] == environment[:name]
raise ValidationError, "#{name} job: on_stop job #{on_stop} have different environment name"
end
unless on_stop_job[:environment][:action] == 'stop'
raise ValidationError, "#{name} job: on_stop job #{on_stop} needs to have action stop defined"
end
end
def process?(only_params, except_params, ref, tag, source)
if only_params.present?
return false unless matching?(only_params, ref, tag, source)
end
if except_params.present?
return false if matching?(except_params, ref, tag, source)
end
true
end
def matching?(patterns, ref, tag, source)
patterns.any? do |pattern|
pattern, path = pattern.split('@', 2)
matches_path?(path) && matches_pattern?(pattern, ref, tag, source)
end
end
def matches_path?(path)
return true unless path
path == self.path
end
def matches_pattern?(pattern, ref, tag, source)
return true if tag && pattern == 'tags'
return true if !tag && pattern == 'branches'
return true if source_to_pattern(source) == pattern
if pattern.first == "/" && pattern.last == "/"
Regexp.new(pattern[1...-1]) =~ ref
else
pattern == ref
end
end
def source_to_pattern(source)
if %w[api external web].include?(source)
source
else
source&.pluralize
end
end
end
end