Products/DataCollector/plugins/zenoss/cmd/linux/dpkg.py

dpkg.py

#
__doc__ = """

zenoss.cmd.linux.dpkg finds various software packages installed on a device.
Invoke dpkg command via SSH session.

"""

import re
from Products.DataCollector.plugins.CollectorPlugin \
    import LinuxCommandPlugin, SoftwareCommandPlugin
from Products.ZenUtils.Utils import prepId
from Products.DataCollector.plugins.DataMaps import MultiArgs

def parseResults(results):
    pattern = re.compile(r"^([ih][i][ ])\s+(\S+)\s+(\S+)\s+(.+)")
    """
    First character:
        The possible value for the first character.
        The first character signifies the desired state,
        like we (or some user) is marking the package for installation

        u: Unknown (an unknown state)
        i: Install (marked for installation)
        r: Remove (marked for removal)
        p: Purge (marked for purging)
        h: Hold

    Second Character:
        The second character signifies the current state,
        whether it is installed or not. The possible values are

        n: Not- The package is not installed
        i: Inst- The package is successfully installed
        c: Cfg-files- Configuration files are present
        u: Unpacked- The package is stilled unpacked
        f: Failed-cfg- Failed to remove configuration files
        h: Half-inst- The package is only partially installed
        W: trig-aWait
        t: Trig-pend

    Third Character:
        This corresponds to the error state. The possible value include

        R: Reinst-required The package must be installed.

    """

    swdicts = []
    for line in results.split("\n"):
	pkg = pattern.search(line)
	if pkg:
	    name = '-'.join((pkg.group(2), pkg.group(3)))
            vendor = 'Unknown'
	    description = pkg.group(4)
	    id = prepId(name)
	    sw = {'id': id, 'setProductKey': MultiArgs(name, prepId(vendor)), 'setDescription': description}
	    swdicts.append(sw)
    return swdicts

class dpkg(LinuxCommandPlugin, SoftwareCommandPlugin):

    maptype = "SoftwareMap"
    modname = "Products.ZenModel.Software"
    relname = "software"
    compname = "os"
    command = '[ -x /usr/bin/dpkg ] && /usr/bin/dpkg -l'

    def __init__(self):
        SoftwareCommandPlugin.__init__(self, parseResults)