create image: split into create and updatev0.2

Image creation example:

	ogcli create image
		--disk
		--part 1
		--name 18oct2
		--desc 18oct2
		--repo-id 1
		--client-ip 192.168.56.11

Image update example:

	ogcli update image
		--disk 1
		--part 1
		--id 20
		--client-ip 192.168.56.11

2 files changed, 80 insertions, 3 deletions

diff --git a/cli/cli.py b/cli/cli.py
index 7d3142d..6837852 100644
--- a/cli/cli.py
+++ b/cli/cli.py
@@ -125,3 +125,12 @@ class OgCLI():
 
         if parsed_args.setup_obj == 'disk':
             OgDisk.setup_disk(self.rest, args[1:])
+
+    def update(self, args):
+        choices = ['image']
+        parser = argparse.ArgumentParser(prog='ogcli update')
+        parser.add_argument('update_obj', choices=choices)
+        parsed_args = parser.parse_args([args[0]])
+
+        if parsed_args.update_obj == 'image':
+            OgImage.update_image(self.rest, args[1:])
diff --git a/cli/objects/images.py b/cli/objects/images.py
index 2f9f879..3bed476 100644
--- a/cli/objects/images.py
+++ b/cli/objects/images.py
@@ -116,12 +116,13 @@ class OgImage():
                             help='Image name')
         parser.add_argument('--desc',
                             nargs='?',
-                            required=False,
-                            help='Image description (for new images)')
+                            required=True,
+                            help='Image description')
         parser.add_argument('--repo-id',
                             nargs='?',
                             default=1,
-                            help='Images repository id')
+                            type=int,
+                            help='Images repository id (Default: 1)')
         group = parser.add_argument_group('clients', 'Client selection args')
         group.add_argument('--client-ip',
                            action='append',
@@ -152,3 +153,70 @@ class OgImage():
             payload['repository_id'] = parsed_args.repo_id
 
         rest.post('/image/create', payload=payload)
+
+    @staticmethod
+    def update_image(rest, args):
+        parser = argparse.ArgumentParser()
+        parser.add_argument('--disk',
+                            nargs='?',
+                            required=True,
+                            help='Disk')
+        parser.add_argument('--part',
+                            nargs='?',
+                            required=True,
+                            help='Partition')
+        parser.add_argument('--id',
+                            nargs='?',
+                            required=True,
+                            help='Image id')
+        parser.add_argument('--repo-id',
+                            nargs='?',
+                            default=1,
+                            type=int,
+                            help='Images repository id (Default: 1)')
+        group = parser.add_argument_group('clients', 'Client selection args')
+        group.add_argument('--client-ip',
+                           action='append',
+                           default=[],
+                           required=True,
+                           help='Specific client IP')
+        parsed_args = parser.parse_args(args)
+
+        r = rest.get('/client/info', payload={'client': parsed_args.client_ip})
+        center_id = r.json()['center']
+
+        r = rest.get('/client/setup',
+                     payload={'client': parsed_args.client_ip})
+        if r.status_code == 200:
+            part_info = list(filter(lambda x: x['disk'] == int(parsed_args.disk) and
+                             x['partition'] == int(parsed_args.part),
+                             r.json()['partitions']))
+            if not part_info:
+                print('Partition not found.')
+                return
+            fs_code = list(part_info)[0]['code']
+
+        r = rest.get('/images')
+        image_name = None
+        if r.status_code == 200:
+            for image in r.json()['images']:
+                if image['id'] == int(parsed_args.id):
+                    image_name = image['name']
+                    break
+
+        if not image_name:
+            print('Image not found')
+            return
+        else:
+            print(f'Updating {image_name} image')
+
+        payload = {'clients': parsed_args.client_ip,
+                   'disk': parsed_args.disk,
+                   'center_id': center_id,
+                   'partition': parsed_args.part,
+                   'code': str(fs_code),
+                   'id': parsed_args.id,
+                   'name': image_name,
+                   'repository_id': parsed_args.repo_id}
+
+        rest.post('/image/create', payload=payload)