debian-mirror-gitlab/lib/ci/gitlab_ci_yaml_processor.rb

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module Ci
class GitlabCiYamlProcessor
class ValidationError < StandardError; end
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include Gitlab::Ci::Config::Node::LegacyValidationHelpers
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attr_reader :path, :cache, :stages, :jobs
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def initialize(config, path = nil)
@ci_config = Gitlab::Ci::Config.new(config)
@config = @ci_config.to_hash
@path = path
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unless @ci_config.valid?
raise ValidationError, @ci_config.errors.first
end
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initial_parsing
rescue Gitlab::Ci::Config::Loader::FormatError => e
raise ValidationError, e.message
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end
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def jobs_for_ref(ref, tag = false, trigger_request = nil)
@jobs.select do |_, job|
process?(job[:only], job[:except], ref, tag, trigger_request)
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end
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end
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def jobs_for_stage_and_ref(stage, ref, tag = false, trigger_request = nil)
jobs_for_ref(ref, tag, trigger_request).select do |_, job|
job[:stage] == stage
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end
end
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def builds_for_ref(ref, tag = false, trigger_request = nil)
jobs_for_ref(ref, tag, trigger_request).map do |name, _|
build_attributes(name)
end
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end
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def builds_for_stage_and_ref(stage, ref, tag = false, trigger_request = nil)
jobs_for_stage_and_ref(stage, ref, tag, trigger_request).map do |name, _|
build_attributes(name)
end
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end
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def builds
@jobs.map do |name, _|
build_attributes(name)
end
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end
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def build_attributes(name)
job = @jobs[name.to_sym] || {}
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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[:commands],
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tag_list: job[:tags] || [],
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name: job[:name].to_s,
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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_name],
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yaml_variables: yaml_variables(name),
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options: {
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image: job[:image],
services: job[:services],
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artifacts: job[:artifacts],
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cache: job[:cache],
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dependencies: job[:dependencies],
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after_script: job[:after_script],
environment: job[:environment],
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}.compact
}
end
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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
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private
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def initial_parsing
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##
# Global config
#
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@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
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##
# Jobs
#
@jobs = @ci_config.jobs
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@jobs.each do |name, job|
# logical validation for job
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validate_job_stage!(name, job)
validate_job_dependencies!(name, job)
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validate_job_environment!(name, job)
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end
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end
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def yaml_variables(name)
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variables = (@variables || {})
.merge(job_variables(name))
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variables.map do |key, value|
{ key: key, value: value, public: true }
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end
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end
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def job_variables(name)
job = @jobs[name.to_sym]
return {} unless job
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job[:variables] || {}
end
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def validate_job_stage!(name, job)
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return unless job[:stage]
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unless job[:stage].is_a?(String) && job[:stage].in?(@stages)
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_dependencies!(name, job)
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return unless job[:dependencies]
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stage_index = @stages.index(job[:stage])
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job[:dependencies].each do |dependency|
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"
end
end
end
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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
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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
if except_params.present?
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return false if matching?(except_params, ref, tag, trigger_request)
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end
true
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
end
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def match_ref?(pattern, ref, tag, trigger_request)
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pattern, path = pattern.split('@', 2)
return false if path && path != self.path
return true if tag && pattern == 'tags'
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 == "/"
Regexp.new(pattern[1...-1]) =~ ref
else
pattern == ref
end
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end
end
end