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class GitlabCiYamlProcessor
class ValidationError < StandardError;end
attr_reader :before_script, :image, :services
def initialize(config)
@config = YAML.load(config)
unless @config.is_a? Hash
raise ValidationError, "YAML should be a hash"
end
@config = @config.deep_symbolize_keys
initial_parsing
validate!
end
def deploy_builds_for_ref(ref, tag = false)
deploy_builds.select{|build| process?(build[:only], build[:except], ref, tag)}
end
def builds_for_ref(ref, tag = false)
builds.select{|build| process?(build[:only], build[:except], ref, tag)}
end
def builds
@jobs.map do |name, job|
build_job(name, job)
end
end
def deploy_builds
@deploy_jobs.map do |name, job|
build_job(name, job)
end
end
private
def initial_parsing
@before_script = @config[:before_script] || []
@image = @config[:image]
@services = @config[:services]
@config.except!(:before_script, :image, :services)
@config.each do |name, param|
raise ValidationError, "Unknown parameter: #{name}" unless param.is_a?(Hash)
end
unless @config.values.any?{|job| job.is_a?(Hash)}
raise ValidationError, "Please define at least one job"
end
@jobs = @config.select{|key, value| value[:type] != "deploy"}
@deploy_jobs = @config.select{|key, value| value[:type] == "deploy"}
end
def process?(only_params, except_params, ref, tag)
return true if only_params.nil? && except_params.nil?
if only_params
return true if tag && only_params.include?("tags")
return true if !tag && only_params.include?("branches")
only_params.find do |pattern|
match_ref?(pattern, ref)
end
else
return false if tag && except_params.include?("tags")
return false if !tag && except_params.include?("branches")
except_params.each do |pattern|
return false if match_ref?(pattern, ref)
end
end
end
def build_job(name, job)
{
script: "#{@before_script.join("\n")}\n#{normalize_script(job[:script])}",
tags: job[:tags] || [],
name: name,
only: job[:only],
except: job[:except],
allow_failure: job[:allow_failure] || false,
options: {
image: job[:image] || @image,
services: job[:services] || @services
}.compact
}
end
def match_ref?(pattern, ref)
if pattern.first == "/" && pattern.last == "/"
Regexp.new(pattern[1...-1]) =~ ref
else
pattern == ref
end
end
def normalize_script(script)
if script.is_a? Array
script.join("\n")
else
script
end
end
def validate!
unless @before_script.is_a?(Array)
raise ValidationError, "before_script should be an array"
end
unless @image.nil? || @image.is_a?(String)
raise ValidationError, "image should be a string"
end
unless @services.nil? || @services.is_a?(Array) && @services.all? {|service| service.is_a?(String)}
raise ValidationError, "services should be an array of strings"
end
@jobs.each do |name, job|
validate_job!("#{name} job", job)
end
@deploy_jobs.each do |name, job|
validate_job!("#{name} deploy job", job)
end
true
end
def validate_job!(name, job)
job.keys.each do |key|
unless [:tags, :script, :only, :except, :type, :image, :services, :allow_failure].include? key
raise ValidationError, "#{name}: unknown parameter #{key}"
end
end
if job[:image] && !job[:image].is_a?(String)
raise ValidationError, "#{name}: image should be a string"
end
if job[:services]
unless job[:services].is_a?(Array) && job[:services].all? {|service| service.is_a?(String)}
raise ValidationError, "#{name}: services should be an array of strings"
end
end
if job[:tags] && !job[:tags].is_a?(Array)
raise ValidationError, "#{name}: tags parameter should be an array"
end
if job[:only] && !job[:only].is_a?(Array)
raise ValidationError, "#{name}: only parameter should be an array"
end
if job[:except] && !job[:except].is_a?(Array)
raise ValidationError, "#{name}: except parameter should be an array"
end
if job[:allow_failure] && !job[:allow_failure].in?([true, false])
raise ValidationError, "#{name}: allow_failure parameter should be an boolean"
end
end
end
|
