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openlmi-scripts 0.2.4

Client-side library and command-line client

Package Documentation

Latest Version: 0.2.7

Client-side python modules and command line utilities.

It comprises of one binary called lmi and a common library. lmi meta-command allows to run commands on a set of OpenLMI providers. These commands can be installed separately in a modular way.

lmi is a command line application allowing to run single command on a set of hosts with just one statement from shell or it can run in an interactive way.

For more information please refer to online documentation on [pythonhosted][] or build your own in doc/ directory.

Structure

Following diagram depicts directory structure.

openlmi-tools
├── commands        # base directory for lmi subcommands
│   ├── service     # service provider comand (service)
│   │   └── lmi
│   │       └── scripts
│   │           └── service
│   └── software    # software provider command (sw)
│       └── lmi
│           └── scripts
│               └── software
├── config          # configuration files for lmi meta-command
└── lmi             # common client-side library
    └── scripts
        ├── common
        └── _metacommand    # functionality of lmi meta-command

Each subdirectory of commands/ contains library for interfacing with particular set of OpenLMI providers. Each contains its own setup.py file, that handles its installation and registration of command. They have one command thing. Each such setup.py must pass entry_points dictionary to the setup() function, wich associates commands defined in command library with its name under lmi meta-command.

Dependencies

Code base is written for python 2.7. There are following python dependencies:

  • openlmi-tools
  • python-docopt

Uploading to PyPI

Since PyPI expects README file to be in a reStructuredText markup language and the one present is written in markdown, it needs to be converted to it. So please make sure you have pandoc installed before running:

$ python setup.py sdist upload

Installation

Use standard setuptools script for installation:

$ cd openlmi-scripts
$ python setup.py install --user

This installs just the lmi meta-command and client-side library. To install subcommands, you need to do the same procedure for each particular command under commands/ directory.

Usage

To get a help and see available commands, run:

$ lmi help

To get a help for particular command, run:

$ lmi help service

To issue single command on a host, run:

$ lmi --host ${hostname} service list

To start the app in interactive mode:

$ lmi --host ${hostname}
> service list --disabled
...
> service start svnserve.service
...
> quit

Developing lmi scripts.

This documents how to quickly develop lmi scripts without the need to reinstall python eggs, when anything is changed. This presumes, that the development process takes place in a git repotory checked out from [git][]. It can be located anywhere on system.

Before we start with setting up an environment, please double check, that you don't have installed anything from openlmi-scripts in system path (/usr/lib/python2.7/site-packages/lmi/scripts should not exist). And make sure, that user path is also cleared:

$ rm -rf $HOME/.local/lib/python2.7/site-packages/lmi*
$ rm -rf $HOME/.local/lib/python2.7/site-packages/openlmi*

Install all dependencies:

  • python-docopt
  • openlmi-python-base
  • openlmi-tools

Either via rpms or from respective git repositories. For openlmi-python-base package contained in [providers-git][] repository the setup script is located at src/python/setup.py. In future these will be available from PyPi.

Let's setup an environment:

  1. Create a workspace directory for current $USER (let's call it a WSP). This is a place, where our eggs and binaries will be "installed". It can be located anywhere, for example:

    $ WSP=~/.python_workspace
    $ mkdir $WSP
    
  2. Add workspace to your python path to make all modules installed there importable (you can add this to your ~/.bashrc):

    $ export PYTHONPATH=$WSP:$PYTHONPATH
    
  3. Add workspace to your PATH, so the installed binaries can be run:

    $ export PATH=$WSP:$PATH
    
  4. Now let's "install" to our workspace. First cd to checked out openlmi-scripts repository.

  5. Install them and any commands you want -- possibly your own

    $ python setup.py develop --install-dir=$WSP
    $ for cmd in service storage; do
    >     pushd commands/$cmd
    >     python setup.py develop --install-dir=$WSP
    >     popd
    > done
    

Now any change made to openlmi-scripts is immediately reflected in lmi meta-command.


[git]: https://github.com/openlmi/openlmi-scripts "openlmi-scripts" [providers-git]: https://fedorahosted.org/openlmi/browser/openlmi-providers "openlmi-providers" [pythonhosted]: http://pythonhosted.org/openlmi-scripts/index.html "python hosted"

 
File Type Py Version Uploaded on Size
openlmi-scripts-0.2.4.tar.gz (md5) Source 2013-11-06 40KB
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