Sentinel for Scope Coin

Sentinel for Scope Coin

How to install Sentinel for Scope

Sentinel is an autonomous agent for persisting, processing and automating Scope governance objects and tasks. It is a Python application which runs alongside the Scope wallet instance on each Scope Masternode.

These instructions cover installing Sentinel on Ubuntu 16.04 / 18.04.

Dependencies

Make sure Python version 2.7.x is installed:

python --version

Update system packages and ensure virtualenv is installed:

$ sudo apt-get update $ sudo apt-get -y install python-virtualenv

Install Sentinel

Clone the Sentinel repo and install Python dependencies.

$ git clone https://github.com/scopecoin/sentinel.git && cd sentinel $ virtualenv ./venv $ ./venv/bin/pip install -r requirements.txt

Usage

Sentinel is “used” as a script called from cron every minute.

Set up Cron

Set up a crontab entry to call Sentinel every minute:

$ crontab -e

In the crontab editor, add the lines below, replacing ‘/path/to/sentinel’ to the path where you cloned sentinel to:

* * * * * cd /path/to/sentinel && ./venv/bin/python bin/sentinel.py >/dev/null 2>&1

Test Configuration

Test the config by running tests:

$ ./venv/bin/py.test ./test

With all tests passing and crontab setup, Sentinel will stay in sync with scoped and the installation is complete

Configuration

An alternative (non-default) path to the scope.conf file can be specified in sentinel.conf:

scope_conf=/path/to/scope.conf

Troubleshooting

To view debug output, set the SENTINEL_DEBUG environment variable to anything non-zero, then run the script manually:

$ SENTINEL_DEBUG=1 ./venv/bin/python bin/sentinel.py

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