From: Guillaume Pellerin <guillaume.pellerin@ircam.fr>
Date: Tue, 19 Apr 2016 10:32:43 +0000 (+0200)
Subject: add command waiting for db
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=764ca3361c0b1240d81402a64332a618ddab9d17;p=mezzo.git

add command waiting for db
---

diff --git a/app/festival/management/commands/wait-for-db-connection.py b/app/festival/management/commands/wait-for-db-connection.py
deleted file mode 100644
index 71f3b033..00000000
--- a/app/festival/management/commands/wait-for-db-connection.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from django.conf import settings
-from django.core.management.base import BaseCommand, CommandError
-from django.db import connection
-
-
-class Command(BaseCommand):
-    help = "Wait for database connection"
-
-    def handle(self, *args, **options):
-        up = False
-        while not up:
-            try:
-                cursor = connection.cursor()
-                up = True
-            except:
-                time.sleep(1)
diff --git a/app/festival/management/commands/wait-for-db.py b/app/festival/management/commands/wait-for-db.py
new file mode 100644
index 00000000..f55207c9
--- /dev/null
+++ b/app/festival/management/commands/wait-for-db.py
@@ -0,0 +1,30 @@
+import os, time
+
+from optparse import make_option
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+from django.db import connections
+
+
+class Command(BaseCommand):
+    help = "wait for default DB connection"
+
+    db_name = 'default'
+    N = 10
+
+    def handle(self, *args, **options):
+        i = 0
+        connected = False
+        db_conn = connections[self.db_name]
+        while not connected:
+            try:
+                c = db_conn.cursor()
+                connected = True
+            except:
+                print('error connecting to DB...')
+                if i > self.N:
+                    print('...exiting')
+                    raise
+                print('...retrying')
+                i += 1
+                time.sleep(1)
diff --git a/app/scripts/app.sh b/app/scripts/app.sh
index 962cf9a7..5d6c984c 100644
--- a/app/scripts/app.sh
+++ b/app/scripts/app.sh
@@ -26,12 +26,8 @@ chown -R $uid:$gid $media
 # waiting for other services
 sh $app/scripts/wait.sh
 
-# waiting for available database
-# python $app/wait.py
-# python $manage wait-for-db-connection
-
-# django init
-# python $manage syncdb --noinput
+# django setup
+python $manage wait-for-db
 python $manage migrate --noinput
 python $manage collectstatic --noinput
 python $manage create-admin-user