Munin contributed plugins

from subprocess import Popen, PIPE

def config(vm_names):

    @param vm_names : a list of "cleaned" vms' name

    base_config = """graph_title KVM Network I/O

graph_vlabel Bytes rx(-)/tx(+) per second

graph_category Virtualization

        print "%s_out.draw LINE2" % vm

def clean_vm_name(vm_name):

    @param vm_name : a vm's name

    @return cleaned vm's name

    # suffix part defined in conf

    if suffix:

    return re.sub(r"[^a-zA-Z0-9_]", "_", vm_name)

def fetch(vms):

    @param dictionnary {kvm_pid: cleaned vm name}

    res = {}

    for pid in vms:

        tap = get_vm_mac(pid)

            continue

def detect_kvm():

    kvm = Popen("which kvm", shell=True, stdout=PIPE)

    kvm.communicate()

    return not bool(kvm.returncode)

def find_vm_names(pids):

    @return a dictionnary of {pids : cleaned vm name}

    result = {}

    for pid in pids:

        cmdline = open("/proc/%s/cmdline" % pid, "r")

    return result

def get_vm_mac(pid):

    @return the mac address for a specified pid

    cmdline = open("/proc/%s/cmdline" % pid, "r")

    line = cmdline.readline()

    mac = re.sub(r"^.*ifname=(tap[^,]+),.*$",r"\1", line)

    return mac

def list_pids():

    @return a list of pids from running kvm

    pid = Popen("pidof qemu-kvm qemu-system-x86_64 kvm", shell=True, stdout=PIPE)

    return pid.communicate()[0].split()

if __name__ == "__main__":

    if len(sys.argv) > 1:

            if detect_kvm():

                print "yes"

            else: