codi: print the progress of docker pull operations to codi's stout

docker pull operations can take a long time depending on the size of the
image. Print the progress of the pull operation on codi's stdout and
return the complete log to the requestor.

Signed-off-by: Todor Minchev <[email protected]>

Author: todorez

codi/codi.py

@@ -77,25 +77,33 @@ def find_image(self):
         '''
         if request.method == 'GET':
             cli = dcrops.docker_connect(config.DOCKER_SOCKET)
-            response = cli.search(request.args.get("image"))
-            cli.close()
-            return Response(json.dumps(response),  mimetype='application/json')
+            image = request.args.get("image")
+            if image is not None:
+                response = cli.search(image)
+                cli.close()
+                return Response(json.dumps(response),  mimetype='application/json')
+            else:
+                cli.close()
+                return "Error: Image not provided"
 
     def pull_image(self):
         '''Download a toolchain image from Docker repository [GET]
         image: repo/image:tag
         returns: result of docker pull operation
         '''
         if request.method == 'GET':
+            temp = ""
             cli = dcrops.docker_connect(config.DOCKER_SOCKET)
             image = request.args.get("image")
             if image is not None:
-                response = cli.pull(image)
+                for response in cli.pull(image, stream=True):
+                    print(response.decode("utf-8"))
+                    temp = temp + response.decode("utf-8")
                 cli.close()
-                return Response(json.dumps(response),  mimetype='application/json')
+                return Response(json.dumps(temp),  mimetype='application/json')
             else:
                 cli.close()
-                return "Error: Image not found"
+                return "Error: Image not provided"
 
     def remove_image(self):
         '''Remove toolchain image from local store [GET]
@@ -111,7 +119,7 @@ def remove_image(self):
                 return Response(json.dumps(response),  mimetype='application/json')
             else:
                 cli.close()
-                return "Error: Image not found"
+                return "Error: Image not provided"
 
     def remove_toolchain(self):
         '''Remove toolchain from CODI database [GET]

setup.py

@@ -1,7 +1,7 @@
 """A setuptools based setup module.
 
 See:
-https://github.com/todorez/crops
+https://github.com/crops/crops
 """
 
 from setuptools import setup, find_packages
@@ -22,7 +22,7 @@
     long_description=long_description,
 
     # The project's main homepage
-    url='https://github.com/todorez/crops',
+    url='https://github.com/crops/crops',
     author='Todor Minchev',
     author_email='[email protected]',
     license='GPLv3',
@@ -52,5 +52,4 @@
     # You can just specify the packages manually here if your project is
     # simple. Or you can use find_packages().
     packages=find_packages(exclude=['turff', 'codi']),
-
 )