--- a +++ b/cloud/startup-script.sh @@ -0,0 +1,56 @@ +set -v + +# Talk to the metadata server to get the project id +PROJECTID=$(curl -s "http://metadata.google.internal/computeMetadata/v1/project/project-id" -H "Metadata-Flavor: Google") + +# Install logging monitor. The monitor will automatically pickup logs sent to +# syslog. +curl -s "https://storage.googleapis.com/signals-agents/logging/google-fluentd-install.sh" | bash +service google-fluentd restart & + +# Install dependencies from apt +apt-get update +apt-get install -yq \ + git build-essential supervisor python python-dev python-pip libffi-dev \ + libssl-dev + +# Create a pythonapp user. The application will run as this user. +useradd -m -d /home/pythonapp pythonapp + +# pip from apt is out of date, so make it update itself and install virtualenv. +pip install --upgrade pip virtualenv + +# Get the source code from the Google Cloud Repository +# git requires $HOME and it's not set during the startup script. +export HOME=/root +git config --global credential.helper gcloud.sh +git clone https://source.developers.google.com/p/cnncancertherapy/r/cnnCancerTherapy /opt/app + +# Install app dependencies +virtualenv /opt/app/7-gce/env +/opt/app/7-gce/env/bin/pip install -r /opt/app/7-gce/requirements.txt + +# Make sure the pythonapp user owns the application code +chown -R pythonapp:pythonapp /opt/app + +# Configure supervisor to start gunicorn inside of our virtualenv and run the +# application. +cat >/etc/supervisor/conf.d/python-app.conf << EOF +[program:pythonapp] +directory=/opt/app/7-gce +command=/opt/app/7-gce/env/bin/gunicorn main:app --bind 0.0.0.0:8080 +autostart=true +autorestart=true +user=pythonapp +# Environment variables ensure that the application runs inside of the +# configured virtualenv. +environment=VIRTUAL_ENV="/opt/app/env/7-gce",PATH="/opt/app/7-gce/env/bin",\ + HOME="/home/pythonapp",USER="pythonapp" +stdout_logfile=syslog +stderr_logfile=syslog +EOF + +supervisorctl reread +supervisorctl update + +# Application should now be running under supervisor