Multiple minor fixes :

- Fix README instruct to run docker container before running django server
- Add messages after commands execute succesfully
- Touch a new file to denote successful running of code server

1 files changed, 17 insertions, 0 deletions

diff --git a/tasks.py b/tasks.py
index eabf8fb..68d9967 100644
--- a/tasks.py
+++ b/tasks.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import invoke
 from invoke import task
 import os
@@ -6,11 +7,18 @@ from yaksh.settings import SERVER_POOL_PORT
 SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
 TARGET_CONTAINER_NAME = 'yaksh_code_server'
 SRC_IMAGE_NAME = 'fossee/yaksh_codeserver'
+CHECK_FILE = 'server_running.txt'
+CHECK_FILE_PATH = os.path.join(SCRIPT_DIR, 'yaksh_data', CHECK_FILE)
+
 
 def create_dir(path):
     if not os.path.exists(path):
         os.makedirs(path)
 
+def remove_check_file(path):
+    if os.path.isfile(path):
+        os.remove(path)
+
 @task
 def setupdb(ctx):
     print("** Setting up & migrating database **")
@@ -36,6 +44,7 @@ def getimage(ctx, image=SRC_IMAGE_NAME):
         print("The docker image {0} does not exist locally".format(image))
         print("\n** Pulling latest image <{0}> from docker hub **".format(image))
         ctx.run("sudo docker pull {0}".format(image))
+        print("\n** Done! Successfully pulled latest image <{0}> **".format(image))
 
 @task
 def start(ctx, ports=SERVER_POOL_PORT, image=SRC_IMAGE_NAME, unsafe=False,
@@ -58,6 +67,7 @@ def start(ctx, ports=SERVER_POOL_PORT, image=SRC_IMAGE_NAME, unsafe=False,
             )
         }
 
+        remove_check_file(CHECK_FILE_PATH)
         getimage(ctx, image=SRC_IMAGE_NAME)
 
         print("** Preparing code server **")
@@ -84,12 +94,19 @@ def start(ctx, ports=SERVER_POOL_PORT, image=SRC_IMAGE_NAME, unsafe=False,
             {image} {command}".format(**cmd_params)
         )
 
+        while not os.path.isfile(CHECK_FILE_PATH):
+            print("** Checking code server status. Press Ctrl-C to exit **\r", end="")
+        print("** Code server is up and running successfully **")
+
+
 @task
 def stop(ctx, container=TARGET_CONTAINER_NAME, hide=True):
     result = ctx.run("sudo docker ps -q --filter='name={0}'".format(container))
+    remove_check_file(CHECK_FILE_PATH)
     if result.stdout:
         print ("** Discarding the docker container <{0}>".format(container))
         ctx.run("sudo docker stop {0}".format(container))
         ctx.run("sudo docker rm {0}".format(container))
+        print ("** Done! Discarded the docker container <{0}>".format(container))
     else:
         print("** Docker container <{0}> not found **".format(container))