Add versioning and prepare for release

CHANGELOG.md

@@ -1,5 +1,13 @@
 ## [Unreleased]
 
+### Breaking changes
+
+### New features
+
+### Fixes and improvements
+
+## [v0.2.0](https://github.com/OpenNMT/nmt-wizard/releases/tag/v0.2.0) (2018-07-31)
+
 ### Breaking changes
 * redefine more consistent routes
 * change `task_id` as positional argument for simpler client commands
@@ -8,6 +16,7 @@
 
 ### New features
 
+* versioning information
 * possibility to launch multi-gpu tasks
 * launch error now reports error message in task log
 * define `auto` registry - resolved by launcher checking at `default_for` in registry definition

client/launcher.py

@@ -10,6 +10,24 @@
 from datetime import datetime
 import math
 
+VERSION = "0.2.0-ce"
+def append_version(v):
+    global VERSION
+    VERSION += ":" + v
+def get_version():
+    return VERSION
+
+class VersionAction(argparse.Action):
+    def __init__(self, nargs=0, **kw):
+        super(VersionAction, self).__init__(nargs=nargs, **kw)
+    def __call__(self, parser, namespace, values, option_string=None):
+        print("Client version: %s" % VERSION)
+        r = requests.get(os.path.join(os.getenv('LAUNCHER_URL'), "version"))
+        if r.status_code != 200:
+            raise RuntimeError('incorrect result from \'version\' service: %s' % r.text)
+        print("Server version: %s" % r.text)
+        sys.exit(1)
+
 reimage = re.compile(r"(([-A-Za-z_.0-9]+):|)([-A-Za-z_.0-9]+/[-A-Za-z_.0-9]+)(:([-A-Za-z_.0-9]+)|)$")
 logger = None
 
@@ -133,6 +151,8 @@ def confirm(prompt=None, resp=False):
                               help="task identifier")
 parser_file.add_argument('-f', '--filename',
                               help="filename to retrieve - for instance log", required=True)
+parser.add_argument('--version', action=VersionAction, help="Version information")
+
 
 def process_request(serviceList, cmd, is_json, args, auth=None):
     res = None

server/app/__init__.py

@@ -7,6 +7,13 @@
 import time
 from redis.exceptions import ConnectionError
 
+VERSION = "0.2.0-ce"
+def append_version(v):
+    global VERSION
+    VERSION += ":" + v
+def get_version():
+    return VERSION
+
 app = Flask(__name__)
 
 ch = logging.StreamHandler()

server/app/routes.py

@@ -1,4 +1,4 @@
-from app import app, redis, services
+from app import app, redis, services, get_version
 import flask
 from nmtwizard import common, task
 from nmtwizard.helper import build_task_id, shallow_command_analysis, change_parent_task
@@ -309,3 +309,7 @@ def post_log(task_id):
 @app.route("/status", methods=["GET"])
 def get_status():
     return flask.jsonify(200)
+
+@app.route("/version", methods=["GET"])
+def get_version_request():
+    return flask.make_response(get_version())