From b3724d60d2e50dd19e61140406aa85dff981ac16 Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Mon, 29 Jan 2018 14:15:49 +0000
Subject: startup script: adapting for gunicorn

---
 bin/genenetwork2                 | 16 ++++++++++++++++
 wqflask/__init__.py              |  1 -
 wqflask/gunicorn/__init__.py     |  0
 wqflask/gunicorn/genenetwork2.py | 10 ++++++++++
 wqflask/gunicorn/wsgi.py         |  5 +++++
 wqflask/runserver.py             |  2 ++
 6 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 wqflask/gunicorn/__init__.py
 create mode 100644 wqflask/gunicorn/genenetwork2.py
 create mode 100644 wqflask/gunicorn/wsgi.py

diff --git a/bin/genenetwork2 b/bin/genenetwork2
index c6b08771..f32c76eb 100755
--- a/bin/genenetwork2
+++ b/bin/genenetwork2
@@ -22,6 +22,14 @@
 # a -c switch, e.g.
 #
 #   env GN2_PROFILE=~/opt/gn-latest-guix ./bin/genenetwork2 ~/my_overrides.json -c ./wqflask/maintenance/gen_select_dataset.py
+#
+# For development you may want to run
+#
+#   env GN2_PROFILE=~/opt/gn-latest-guix WEBSERVER_MODE=DEBUG LOG_LEVEL=DEBUG ./bin/genenetwork2
+#
+# For production we use gunicorn. Run with
+#
+#   env GN2_PROFILE=~/opt/gn-latest-guix ./bin/genenetwork2 ./etc/default_settings.py -gunicorn "--bind 0.0.0.0:8000 --workers=2 --chdir wqflask/gunicorn/ wsgi"
 
 SCRIPT=$(readlink -f "$0")
 GN2_BASE_DIR=$(dirname $(dirname "$SCRIPT"))
@@ -123,6 +131,14 @@ if [ "$1" = '-c' ] ; then
     python $cmd
     exit 0
 fi
+if [ "$1" = '-gunicorn' ] ; then
+    cd $GN2_BASE_DIR
+    cmd=${2}
+    echo PYTHONPATH=$PYTHONPATH
+    echo RUNNING COMMAND gunicorn $cmd
+    gunicorn $cmd
+    exit 0
+fi
 
 echo "Starting the redis server:"
 echo -n "dir $TMPDIR
diff --git a/wqflask/__init__.py b/wqflask/__init__.py
index 315b709e..e69de29b 100644
--- a/wqflask/__init__.py
+++ b/wqflask/__init__.py
@@ -1 +0,0 @@
-from wqflask import app
diff --git a/wqflask/gunicorn/__init__.py b/wqflask/gunicorn/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/wqflask/gunicorn/genenetwork2.py b/wqflask/gunicorn/genenetwork2.py
new file mode 100644
index 00000000..afbdc934
--- /dev/null
+++ b/wqflask/gunicorn/genenetwork2.py
@@ -0,0 +1,10 @@
+from flask import Flask
+application = Flask(__name__)
+
+@application.route("/")
+def hello():
+    return "<h1 style='color:blue'>Hello There!</h1>"
+
+if __name__ == "__main__":
+    application.run(host='0.0.0.0')
+
diff --git a/wqflask/gunicorn/wsgi.py b/wqflask/gunicorn/wsgi.py
new file mode 100644
index 00000000..8c14ee6b
--- /dev/null
+++ b/wqflask/gunicorn/wsgi.py
@@ -0,0 +1,5 @@
+from genenetwork2 import application
+
+if __name__ == "__main__":
+    application.run()
+
diff --git a/wqflask/runserver.py b/wqflask/runserver.py
index 50f134db..e62e34f2 100644
--- a/wqflask/runserver.py
+++ b/wqflask/runserver.py
@@ -1,5 +1,7 @@
 # Starts the webserver with the ./bin/genenetwork2 command
 #
+# This uses Werkzeug WSGI, see gunicorn.py for the alternative
+#
 # Please note, running with host set externally below combined with
 # debug mode is a security risk unless you have a firewall setup, e.g.
 #
-- 
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