Add user IP data to external pipeline validation service

This will make it possible to assign confidence scores based on the
user's origin.

Changelog: added

doc/administration/external_pipeline_validation.md

@@ -74,7 +74,9 @@ required number of seconds.
         "id": { "type": "integer" },
         "username": { "type": "string" },
         "email": { "type": "string" },
-        "created_at": { "type": ["string", "null"], "format": "date-time" }
+        "created_at": { "type": ["string", "null"], "format": "date-time" },
+        "current_sign_in_ip": { "type": ["string", "null"] },
+        "last_sign_in_ip": { "type": ["string", "null"] }
       }
     },
     "pipeline": {

lib/gitlab/ci/pipeline/chain/validate/external.rb

@@ -89,7 +89,9 @@ module Gitlab
                   id: current_user.id,
                   username: current_user.username,
                   email: current_user.email,
-                  created_at: current_user.created_at&.iso8601
+                  created_at: current_user.created_at&.iso8601,
+                  current_sign_in_ip: current_user.current_sign_in_ip,
+                  last_sign_in_ip: current_user.last_sign_in_ip
                 },
                 pipeline: {
                   sha: pipeline.sha,

spec/fixtures/api/schemas/external_validation.json

@@ -32,7 +32,9 @@
         "id": { "type": "integer" },
         "username": { "type": "string" },
         "email": { "type": "string" },
-        "created_at": { "type": ["string", "null"], "format": "date-time" }
+        "created_at": { "type": ["string", "null"], "format": "date-time" },
+        "current_sign_in_ip": { "type": ["string", "null"] },
+        "last_sign_in_ip": { "type": ["string", "null"] }
       }
     },
     "pipeline": {

spec/lib/gitlab/ci/pipeline/chain/validate/external_spec.rb

@@ -4,7 +4,7 @@ require 'spec_helper'
 
 RSpec.describe Gitlab::Ci::Pipeline::Chain::Validate::External do
   let_it_be(:project) { create(:project) }
-  let_it_be(:user) { create(:user) }
+  let_it_be(:user) { create(:user, :with_sign_ins) }
 
   let(:pipeline) { build(:ci_empty_pipeline, user: user, project: project) }
   let!(:step) { described_class.new(pipeline, command) }