A windows service script for ZEO.
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README.rst
zeo_winservice.py

README.rst

ZEO-WinService

A windows service script for ZEO. ZEO-WinService uses pywin32 to wrap the runzeo.py into a Windows Service.

Code

This script requires pywin32 and ZEO to run. I do intend to put it on PyPi when I have the time

You can run from cmd as Administrator:

> python zeo_winservice.py

you will be given the service options, as shown below:

Usage: 'zeo_winservice.py [options] install|update|remove|start [...]|stop|restart [...]|debug [...]'
Options for 'install' and 'update' commands only:
 --username domain\username : The Username the service is to run under
 --password password : The password for the username
 --startup [manual|auto|disabled|delayed] : How the service starts, default = manual
 --interactive : Allow the service to interact with the desktop.
 --perfmonini file: .ini file to use for registering performance monitor data
 --perfmondll file: .dll file to use when querying the service for
   performance data, default = perfmondata.dll
Options for 'start' and 'stop' commands only:
 --wait seconds: Wait for the service to actually start or stop.
                 If you specify --wait with the 'stop' option, the service
                 and all dependent services will be stopped, each waiting
                 the specified period.

Installing the Service

Before you try to install, make sure you are running cmd as Administrator. To install such that it will start up automatically, try shown below:

>python zeo_winservice.py --startup=auto install

This gives you the following screen with ZEO options:

Installing service ZEO WinService
Start the ZEO storage server.

Usage: %s [-C URL] [-a ADDRESS] [-f FILENAME] [-h]

Options:
-C/--configuration URL -- configuration file or URL
-a/--address ADDRESS -- server address of the form PORT, HOST:PORT, or PATH
                        (a PATH must contain at least one "/")
-f/--filename FILENAME -- filename for FileStorage
-t/--timeout TIMEOUT -- transaction timeout in seconds (default no timeout)
-h/--help -- print this usage message and exit
-m/--monitor ADDRESS -- address of monitor server ([HOST:]PORT or PATH)
--pid-file PATH -- relative path to output file containing this process's pid;
                   default $(INSTANCE_HOME)/var/ZEO.pid but only if envar
                   INSTANCE_HOME is defined

Unless -C is specified, -a and -f are required.

Enter command line arguments for ZEO Service:

Now you are prompted with the different configurations for the ZEO Service that you can pass. One thing to note here is that the filename option has to absolute path, and not a relative path.

An example command line argument is:

Enter command line arguments for ZEO Service: -f D:\path\to\data\file.fs -a localhost:9999

Here I am specifying that ZEO be run with the file.fs on localhost port 9999. After installing the script, you need to start it by:

>python zeo_winservice.py start

You will also be able to access the service from task manager or the Windows Services app.

Logging

The logs from the service are sent to the windows Event Log which can be accessed by opening the Event Viewer. Once you open the Event Viewer, the logs can be found under:

Event Viewer->Windows Logs->Application

The logs from this script can be found under ZEO WinService in the Source column.

Reference

This documentation is based on my blog post on ZEO as a Windows Service.