1 files changed, 140 insertions, 0 deletions
diff --git a/scripts/api/get_job_id b/scripts/api/get_job_id
new file mode 100755
index 00000000000..c7fe859db91
--- /dev/null
+++ b/scripts/api/get_job_id
@@ -0,0 +1,140 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'rubygems'
+require 'gitlab'
+require 'optparse'
+
+class JobFinder
+  DEFAULT_OPTIONS = {
+    project: ENV['CI_PROJECT_ID'],
+    pipeline_id: ENV['CI_PIPELINE_ID'],
+    pipeline_query: {},
+    job_query: {},
+    api_token: ENV['GITLAB_BOT_MULTI_PROJECT_PIPELINE_POLLING_TOKEN']
+  }.freeze
+
+  def initialize(options)
+    @project = options.delete(:project)
+    @pipeline_query = options.delete(:pipeline_query)
+    @job_query = options.delete(:job_query)
+    @pipeline_id = options.delete(:pipeline_id)
+    @job_name = options.delete(:job_name)
+    @artifact_path = options.delete(:artifact_path)
+
+    # Force the token to be a string so that if api_token is nil, it's set to '', allowing unauthenticated requests (for forks).
+    api_token = options.delete(:api_token).to_s
+
+    warn "No API token given." if api_token.empty?
+
+    Gitlab.configure do |config|
+      config.endpoint = 'https://gitlab.com/api/v4'
+      config.private_token = api_token
+    end
+  end
+
+  def execute
+    find_job_with_artifact || find_job_with_filtered_pipelines || find_job_in_pipeline
+  end
+
+  private
+
+  attr_reader :project, :pipeline_query, :job_query, :pipeline_id, :job_name, :artifact_path
+
+  def find_job_with_artifact
+    return if artifact_path.nil?
+
+    Gitlab.pipelines(project, pipeline_query_params).auto_paginate do |pipeline|
+      Gitlab.pipeline_jobs(project, pipeline.id, job_query_params).auto_paginate do |job|
+        return job if found_job_with_artifact?(job) # rubocop:disable Cop/AvoidReturnFromBlocks
+      end
+    end
+
+    raise 'Job not found!'
+  end
+
+  def find_job_with_filtered_pipelines
+    return if pipeline_query.empty?
+
+    Gitlab.pipelines(project, pipeline_query_params).auto_paginate do |pipeline|
+      Gitlab.pipeline_jobs(project, pipeline.id, job_query_params).auto_paginate do |job|
+        return job if found_job_by_name?(job) # rubocop:disable Cop/AvoidReturnFromBlocks
+      end
+    end
+
+    raise 'Job not found!'
+  end
+
+  def find_job_in_pipeline
+    return unless pipeline_id
+
+    Gitlab.pipeline_jobs(project, pipeline_id, job_query_params).auto_paginate do |job|
+      return job if found_job_by_name?(job) # rubocop:disable Cop/AvoidReturnFromBlocks
+    end
+
+    raise 'Job not found!'
+  end
+
+  def found_job_with_artifact?(job)
+    artifact_url = "https://gitlab.com/api/v4/projects/#{CGI.escape(project)}/jobs/#{job.id}/artifacts/#{artifact_path}"
+    response = HTTParty.head(artifact_url) # rubocop:disable Gitlab/HTTParty
+    response.success?
+  end
+
+  def found_job_by_name?(job)
+    job.name == job_name
+  end
+
+  def pipeline_query_params
+    @pipeline_query_params ||= { per_page: 100, **pipeline_query }
+  end
+
+  def job_query_params
+    @job_query_params ||= { per_page: 100, **job_query }
+  end
+end
+
+if $0 == __FILE__
+  options = JobFinder::DEFAULT_OPTIONS.dup
+
+  OptionParser.new do |opts|
+    opts.on("-p", "--project PROJECT", String, "Project where to find the job (defaults to $CI_PROJECT_ID)") do |value|
+      options[:project] = value
+    end
+
+    opts.on("-i", "--pipeline-id pipeline_id", String, "A pipeline ID (defaults to $CI_PIPELINE_ID)") do |value|
+      options[:pipeline_id] = value
+    end
+
+    opts.on("-q", "--pipeline-query pipeline_query", String, "Query to pass to the Pipeline API request") do |value|
+      options[:pipeline_query].merge!(Hash[*value.split('=')])
+    end
+
+    opts.on("-Q", "--job-query job_query", String, "Query to pass to the Job API request") do |value|
+      options[:job_query].merge!(Hash[*value.split('=')])
+    end
+
+    opts.on("-j", "--job-name job_name", String, "A job name that needs to exist in the found pipeline") do |value|
+      options[:job_name] = value
+    end
+
+    opts.on("-a", "--artifact-path ARTIFACT_PATH", String, "A valid artifact path") do |value|
+      options[:artifact_path] = value
+    end
+
+    opts.on("-t", "--api-token API_TOKEN", String, "A value API token with the `read_api` scope") do |value|
+      options[:api_token] = value
+    end
+
+    opts.on("-h", "--help", "Prints this help") do
+      puts opts
+      exit
+    end
+  end.parse!
+
+  job = JobFinder.new(options).execute
+
+  return if job.nil?
+
+  puts job.id
+end