From 2cbb29ead21c2bf0c553e811d6673c1fc3a19bcf Mon Sep 17 00:00:00 2001
From: Anthony Lin <anthony.jclin@gmail.com>
Date: Thu, 4 Jan 2018 17:06:55 +0000
Subject: [PATCH] Enable Multi-Threads in DeckHand

We are seeing race conditions happening when both drydock and
armada try to retrieve rendered document from deckhand.

This p.s. is meant to prevent 'connection refused' kind of errors
from occuring in such situation.

Change-Id: I9ceca37a1d214fd1a4fe4719db829625289b8d95
---
 entrypoint.sh | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index d1faf884..3363fac1 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -14,12 +14,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+set -ex
+
+# Define port
+PORT=${PORT:-9000}
+# Number of uWSGI workers to handle API requests
+DECKHAND_API_WORKERS=${DECKHAND_API_WORKERS:-"1"}
+# Threads per worker
+DECKHAND_API_THREADS=${DECKHAND_API_THREADS:-"4"}
 
 # Start deckhand application
 exec uwsgi \
-    --http :9000 \
+    --http :${PORT} \
     -w deckhand.cmd \
     --callable deckhand_callable \
     --enable-threads \
     -L \
-    --pyargv "--config-file /etc/deckhand/deckhand.conf"
+    --pyargv "--config-file /etc/deckhand/deckhand.conf" \
+    --threads $DECKHAND_API_THREADS \
+    --workers $DECKHAND_API_WORKERS