Logan Log Viewer

Logan is a web based interface real-time log viewer/searcher.

Built upon:

• Python 3.6
• Flask (Provides a simple web interface) - http://flask.pocoo.org/
• Pytailer (tail comamnd wrapper) - http://code.google.com/p/pytailer/
• Grin (grep command wrapper) - http://pypi.python.org/pypi/grin

Installation

Install dependencies with:

sudo pip install -r .\requirements.txt

Then run:

sh ./start.sh

Then run:

sh ./stop.sh

Configuration

Look at logagentconfig.yaml:

Specifies the number of lines to display maximum:

grepnumlines: 300

Specifies the number of lines before/after the match to display:

searchbeforecontext: 5
searchaftercontext: 5

Specifies the number of lines for tail/head on files:

tailnumlines: 200
headnumlines: 200

Specifies the valid extensions for files found in 'directories':

extensions:
 - log
 - out

To configure the directories to view/search within:

directories:
 - /var/log
 - /Users/jonathan/temp

TODO

• fix no results found for expression
• fix bad GET /grep request
• replace grin to display utf-8 file
• only search matched files