Add nginx + uwsgi stack for Sahana, closes #223

sahana-demo.sh

@@ -27,7 +27,7 @@ export SAHANADEMO_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
 envsubst <${SOURCE_DIR}/masterUsers.csv >/tmp/masterUsers.csv
 
 # Populate database
-docker run --rm -h sahana-demo --link postgres -v /srv/sahana-demo/conf:/srv/web2py/applications/eden/models -v /srv/sahana-demo/data/databases:/srv/web2py/applications/eden/databases -v /tmp/masterUsers.csv:/srv/web2py/applications/eden/modules/templates/default/users/masterUsers.csv sahana ./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py
+docker run --rm -h sahana-demo --link postgres -v /srv/sahana-demo/conf:/srv/web2py/applications/eden/models -v /srv/sahana-demo/data/databases:/srv/web2py/applications/eden/databases -v /tmp/masterUsers.csv:/srv/web2py/applications/eden/modules/templates/default/users/masterUsers.csv sahana su - sahana -c "./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py"
 rm /tmp/masterUsers.csv
 
 # Create Sahana service

sahana.sh

@@ -32,7 +32,7 @@ export SAHANA_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
 envsubst <${SOURCE_DIR}/srv/sahana/data/Spotter/masterUsers.csv >/srv/sahana/data/Spotter/masterUsers.csv
 
 # Populate database
-docker run --rm -h sahana --link postgres -v /srv/sahana/conf:/srv/web2py/applications/eden/models -v /srv/sahana/data/Spotter:/srv/web2py/applications/eden/modules/templates/Spotter -v /srv/sahana/data/databases:/srv/web2py/applications/eden/databases sahana ./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py
+docker run --rm -h sahana --link postgres -v /srv/sahana/conf:/srv/web2py/applications/eden/models -v /srv/sahana/data/Spotter:/srv/web2py/applications/eden/modules/templates/Spotter -v /srv/sahana/data/databases:/srv/web2py/applications/eden/databases sahana su - sahana -c "./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py"
 
 # Set "production values" (increases performance) only if the DEBUG environment variable is not set
 if [ ${DEBUG:-0} -eq 0 ]; then

sahana/Dockerfile

@@ -13,7 +13,7 @@ RUN \
  # Add edge/testing repository
  echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/testing' >>/etc/apk/repositories \
  # Install runtime dependencies
- && apk --no-cache add geos@edge py-gdal@edge py2-dateutil py2-lxml py2-numpy py2-pillow py2-psycopg2 py2-requests
+ && apk --no-cache add geos@edge nginx py-gdal@edge py2-dateutil py2-lxml py2-numpy py2-pillow py2-psycopg2 py2-requests s6 uwsgi-python
 
 RUN \
  # Install build dependencies
@@ -26,6 +26,8 @@ RUN \
  && git -C /srv/web2py submodule update \
  # Fix Web2py urllib import (https://github.com/web2py/pydal/commit/9d2290c)
  && sed -i 's/import traceback/import traceback\nimport urllib/' /srv/web2py/gluon/packages/dal/pydal/base.py \
+ # Symlink WSGI handler
+ && ln -s /srv/web2py/handlers/wsgihandler.py /srv/web2py/wsgihandler.py \
  # Install Sahana
  && git clone --depth 1 https://github.com/sahana/eden.git /srv/web2py/applications/eden \
  # Install python dependencies, exclude old or unnecessary ones
@@ -40,7 +42,7 @@ RUN \
  && cp /usr/share/fonts/ttf-dejavu/DejaVuSerif.ttf /srv/web2py/applications/eden/static/fonts/DejaVuSerif.ttf \
  # Create OS user
  && addgroup -S -g 8001 sahana \
- && adduser -S -u 8001 -h /srv/web2py -s /bin/false -g sahana -G sahana sahana \
+ && adduser -S -u 8001 -h /srv/web2py -s /bin/sh -g sahana -G sahana sahana \
  && chown -R sahana:sahana /srv/web2py \
  # Cleanup
  && apk --no-cache del .deps \
@@ -48,11 +50,11 @@ RUN \
  && rm -r /srv/web2py/applications/admin /srv/web2py/applications/examples /srv/web2py/applications/welcome \
  && rm -r /root/.cache
 
+COPY docker/etc/ /etc/
+
 COPY --chown=8001:8001 docker/srv/ /srv/
 
 VOLUME ["/srv/web2py/applications/eden/models", "/srv/web2py/applications/eden/databases", "/srv/web2py/applications/eden/uploads"]
 EXPOSE 8001
 
-USER sahana
+CMD ["s6-svscan", "/etc/services.d"]
-WORKDIR /srv/web2py
-CMD ["./web2py.py", "-a", "eden", "-K", "eden", "-X", "-i", "0.0.0.0", "-p", "8001", "--nogui"]

sahana/docker/etc/nginx/nginx.conf

@@ -0,0 +1,41 @@
+user nginx;
+pid /run/nginx.pid;
+worker_processes 1;
+error_log /dev/stderr warn;
+
+events {
+	worker_connections 1024;
+}
+
+http {
+	include mime.types;
+	default_type application/octet-stream;
+
+	access_log off;
+	server_tokens off;
+	client_max_body_size 100m;
+	sendfile on;
+
+	server {
+		listen 8001;
+		server_name localhost;
+
+		location = / {
+			return 301 $http_x_forwarded_proto://$http_x_forwarded_host/eden;
+		}
+
+		location /eden {
+			uwsgi_pass unix:///run/uwsgi;
+			uwsgi_read_timeout 300s;
+			uwsgi_send_timeout 300s;
+			include uwsgi_params;
+			uwsgi_param UWSGI_SCHEME $scheme;
+			uwsgi_param SERVER_SOFTWARE nginx/$nginx_version;
+		}
+
+		location ~* /eden/static {
+			root /srv/web2py/applications;
+			expires max;
+		}
+	}
+}

sahana/docker/etc/services.d/.s6-svscan/finish

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+/bin/true

sahana/docker/etc/services.d/nginx/run

@@ -0,0 +1,3 @@
+#!/bin/execlineb -P
+
+/usr/sbin/nginx -g "daemon off;"

sahana/docker/etc/services.d/uwsgi/run

@@ -0,0 +1,3 @@
+#!/bin/execlineb -P
+
+/usr/sbin/uwsgi --ini /etc/uwsgi/uwsgi.conf

sahana/docker/etc/uwsgi/uwsgi.conf

@@ -0,0 +1,22 @@
+[uwsgi]
+uid = sahana
+gid = sahana
+chdir = /srv/web2py
+
+plugin = python
+enable-threads = 1
+module = wsgihandler
+
+socket = /run/uwsgi
+chown-socket = nginx:nginx
+
+cheaper = 1
+cheaper-algo = spare
+cheaper-initial = 1
+cheaper-step = 1
+workers = 8
+idle = 600
+harakiri = 300
+
+mule = run_scheduler.py
+cron = 10 -1 -1 -1 -1 python web2py.py -Q -S eden -M -R scripts/sessions2trash.py -A -o

sahana/docker/srv/web2py/run_scheduler.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+from gluon.shell import run
+
+if __name__ == '__main__':
+    run('eden', True, True, None, False, 'from gluon import current; current._scheduler.loop()')

sambro.sh

@@ -28,7 +28,7 @@ export SAMBRO_ADMIN_PWD=$(head -c 12 /dev/urandom | base64)
 envsubst <${SOURCE_DIR}/masterUsers.csv >/tmp/masterUsers.csv
 
 # Populate database
-docker run --rm -h sambro --link postgres -v /srv/sambro/conf:/srv/web2py/applications/eden/models -v /srv/sambro/data/SAMBRO:/srv/web2py/applications/eden/modules/templates/SAMBRO -v /tmp/masterUsers.csv:/srv/web2py/applications/eden/modules/templates/default/users/masterUsers.csv -v /srv/sambro/data/databases:/srv/web2py/applications/eden/databases sahana ./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py
+docker run --rm -h sambro --link postgres -v /srv/sambro/conf:/srv/web2py/applications/eden/models -v /srv/sambro/data/SAMBRO:/srv/web2py/applications/eden/modules/templates/SAMBRO -v /tmp/masterUsers.csv:/srv/web2py/applications/eden/modules/templates/default/users/masterUsers.csv -v /srv/sambro/data/databases:/srv/web2py/applications/eden/databases sahana su - sahana -c "./web2py.py -S eden -M -R applications/eden/static/scripts/tools/noop.py"
 rm /tmp/masterUsers.csv
 
 # Set "production values" (increases performance) only if the DEBUG environment variable is not set