Update image and gitlab CI

.gitlab-ci.yml

 stages:
   - build
   - test
+  - pull
   - deploy
 
 variables:
@@ -15,13 +16,29 @@ build:json:
     paths:
       - "*.json"
 
+build:hub:
+  stage: build
+  script:
+    - docker pull tensorflow/magenta
+    - docker pull tensorflow/syntaxnet
+    - docker pull gcr.io/tensorflow/tensorflow:1.3.0-gpu-py3
+    - docker pull gcr.io/tensorflow/tensorflow:1.3.0-py3
+
 test:json:
   image: python:3-alpine
   stage: test
   before_script:
     - pip install requests
   script:
-    - python validate.py ${ZOE_VALIDATION_URL} *google.json
+    - python /scripts/validate.py ${ZOE_VALIDATION_URL} *google.json
+
+pull:all:
+  stage: pull
+  script:
+    - /scripts/distribute_docker_image.sh tensorflow/magenta
+    - /scripts/distribute_docker_image.sh tensorflow/syntaxnet
+    - /scripts/distribute_docker_image.sh gcr.io/tensorflow/tensorflow:1.3.0-gpu-py3
+    - /scripts/distribute_docker_image.sh gcr.io/tensorflow/tensorflow:1.3.0-py3
 
 deploy:json:
   stage: deploy

validate.py

-#!/usr/bin/python
-
-import json
-import sys
-import requests
-
-URL = sys.argv[1]
-files = sys.argv[2:]
-
-for f in files:
-    data = json.load(open(f, encoding="utf-8"))
-    data_req = { "application": data }
-    r = requests.post(URL, json=data_req)
-    if r.status_code != 200:
-        rep = r.json()
-        print(rep['message'])
-        sys.exit(1)
-