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mpiphp-auto-extend-vm-disk
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Bryan Heden 4 years ago
commit ca04a27f0c
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8
ncpa_vmware/config.xml
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<configwizard>
<plugins>
<plugin filename="extend_vm_disk.sh"/>
</plugins>
<templates>
<template filename="ncpa_vmware.cfg"/>
</templates>
</configwizard>

115
ncpa_vmware/get-vm-disks.py
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#!/usr/bin/env python
import pyVmomi
from pyVmomi import vim
from pyVmomi import vmodl
from pyVim.connect import SmartConnect, Disconnect, SmartConnectNoSSL
import atexit
import argparse
import getpass
import sys
import time
import json
def get_args():
parser = argparse.ArgumentParser(description='Arguments for talking to vCenter')
# extending disk arguments
parser.add_argument('-H', '--host',
required=True,
action='store',
help='vsphere host to connect to')
parser.add_argument('-o', '--port',
type=int,
default=443,
action='store',
help='port to connect on')
parser.add_argument('-u', '--user',
required=True,
action='store',
help='user name to use')
parser.add_argument('-p', '--password',
required=False,
action='store',
help='password to use')
parser.add_argument('-v', '--vm-name',
required=True,
action='store',
help='name of the vm')
parser.add_argument('-S', '--skip-ssl',
action='store_true',
default=False)
args = parser.parse_args()
if not args.password:
args.password = getpass.getpass(prompt='Enter password: ')
return args
def get_obj(content, vimtype, name):
obj = None
container = content.viewManager.CreateContainerView(content.rootFolder, vimtype, True)
for c in container.view:
if c.name == name:
obj = c
break
return obj
def is_disk(device):
if isinstance(device, vim.vm.device.VirtualDisk):
return True
return False
def main():
args = get_args()
if args.skip_ssl == True:
si = SmartConnectNoSSL(
host=args.host,
user=args.user,
pwd=args.password,
port=args.port)
else:
si = SmartConnect(
host=args.host,
user=args.user,
pwd=args.password,
port=args.port)
atexit.register(Disconnect, si)
content = si.RetrieveContent()
vm = get_obj(content, [vim.VirtualMachine], args.vm_name)
virtualDiskManager = si.content.virtualDiskManager
vm_disks = []
disks = []
for device in vm.config.hardware.device:
if is_disk(device):
vm_disks.append(device)
for disk in vm_disks:
disks.append(dict(
label = disk.deviceInfo.label,
uuid = disk.backing.uuid,
fullpath = disk.backing.fileName,
size = disk.capacityInBytes
))
print(json.dumps(disks))
main()

31
ncpa_vmware/ncpa_vmware.inc.js
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/**
* Uses canvas.measureText to compute and return the width of the given text of given font in pixels.
*
* @param {String} text The text to be rendered.
* @param {String} font The css font descriptor that text is to be rendered with (e.g. "bold 14px verdana").
*
* @see https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
*/
function getTextWidth(text, font) {
// re-use canvas object for better performance
var canvas = getTextWidth.canvas || (getTextWidth.canvas = document.createElement("canvas"));
var context = canvas.getContext("2d");
context.font = font;
var metrics = context.measureText(text);
return metrics.width;
}
$(document).ready(function () {
var maxWidth = 83; // box will always be at least 100px
// Get all disk metrics device names
var device_names = $('#disk-metrics-table > tbody > tr > td > label > input[disabled]');
device_names.each(function () {
var curWidth = getTextWidth($(this).val(), '11px verdana');
if(curWidth > maxWidth) {
maxWidth = curWidth;
}
});
device_names.css('width', maxWidth + 17);
});

2006
ncpa_vmware/ncpa_vmware.inc.php
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165
ncpa_vmware/plugins/extend_vm_disk.sh
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#!/usr/bin/env python
# a few notes:
# 1. this was built to work with the check_ncpa.py plugin, however - it will likely work with any other check, provided they have valid perfdata
# containing a portion labeled exactly 'total', and the size that 'total' reports is in GiB
# 2. this will only work with check_ncpa with the default units or GiB specified. any other unit will cause unspecified behavior
# 3. this ONLY will fire off if the state is CRITICAL and the statetype is HARD
# STEPS:
# install the wizard via admin > manage configwizards
# create the following files: /usr/local/nagiosxi/var/las_vegas /usr/local/nagiosxi/var/studio_city with the appropriate password for each - and NO TRAILING NEWLINE
# set the ownership on both files to nagios:nagios
import pyVmomi
from pyVmomi import vim
from pyVmomi import vmodl
from pyVim.connect import SmartConnect, Disconnect, SmartConnectNoSSL
import atexit
import argparse
import getpass
import sys
import time
def get_args():
parser = argparse.ArgumentParser(description='Arguments for talking to vCenter')
# event handler arguments
parser.add_argument('', '--state',
required=True,
action='store',
help='current state of the service. OK, UNKNOWN, WARNING, or CRITICAL')
parser.add_argument('', '--statetype',
required=True,
action='store',
help='current state type of the service. SOFT or HARD')
parser.add_argument('', '--perfdata',
required=True,
action='store',
help='the perfdata from the check. expecting at least a "total" unit to indicate existing disk size')
# extending disk arguments
parser.add_argument('-H', '--host',
required=True,
action='store',
help='vsphere host to connect to')
parser.add_argument('-o', '--port',
type=int,
default=443,
action='store',
help='port to connect on')
parser.add_argument('-u', '--user',
required=True,
action='store',
help='user name to use')
parser.add_argument('-p', '--password',
required=False,
action='store',
help='password to use')
parser.add_argument('-v', '--vm-name',
required=True,
action='store',
help='name of the vm')
parser.add_argument('-P', '--path',
required=True,
help='the path to the disk (in the datastore)')
parser.add_argument('-s', '--size',
required=True,
action='store',
help='percentage of current disk size to increase by')
parser.add_argument('-d', '--datastore',
required=True,
action='store',
help='the datastore where the disk lives')
parser.add_argument('-S', '--skip-ssl',
type=int,
default=1)
args = parser.parse_args()
if not args.password:
args.password = getpass.getpass(prompt='Enter password: ')
return args
def get_obj(content, vimtype, name):
obj = None
container = content.viewManager.CreateContainerView(content.rootFolder, vimtype, True)
for c in container.view:
if c.name == name:
obj = c
break
return obj
def wait_for_task(task):
while task.info.state not in [vim.TaskInfo.State.success, vim.TaskInfo.State.error]:
time.sleep(1)
def get_disk_size(perfdata, percentage_to_increase):
for data in perfdata.split(' '):
if "'total'" not in data:
continue
value = data.split('=')[1].split(';')[0].replace('GiB', '')
print float(value) * ((float(100) + percentage_to_increase) / 100)
def main():
args = get_args()
# this script only executes when the service is critical and all checks have failed
if args.state != "CRITICAL" or args.statetype != "HARD":
sys.exit(0)
try:
disk_size = get_disk_size(args.perfdata, args.size)
except:
print("invalid perfdata supplied!")
sys.exit(1)
if args.skip_ssl == 1:
si = SmartConnectNoSSL(
host=args.host,
user=args.user,
pwd=args.password,
port=args.port)
else:
si = SmartConnect(
host=args.host,
user=args.user,
pwd=args.password,
port=args.port)
atexit.register(Disconnect, si)
content = si.RetrieveContent()
vm = get_obj(content, [vim.VirtualMachine], args.vm_name)
virtualDiskManager = si.content.virtualDiskManager
if not vm:
print("VM not found!")
sys.exit(2)
disk = "[%s] %s" % (args.datastore, args.path)
wait_for_task(virtualDiskManager.ExtendVirtualDisk(disk, None, disk_size, False))
main()

11
ncpa_vmware/templates/ncpa_vmware.cfg
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define command {
command_name check_las_vegas
command_line $USER1$/extend_vm_disk.py --state="$SERVICESTATE$" --statetype="$SERVICESTATETYPE$" --perfdata="$SERVICEPERFDATA$" --host="$_HOSTVCENTERHOST" --port="$_HOSTVCENTERPORT" --user="user" --password=$(cat /usr/local/nagiosxi/var/las_vegas) --vm-name="$_HOSTVCENTERVM" --path="$_SERVICEVCENTERDISK" --skip-ssl="$_HOSTVCENTERSKIPSSL" --size="15" --datastore="$_SERVICEVCENTERDATASTORE"
}
define command {
command_name check_studio_city
command_line $USER1$/extend_vm_disk.py --state="$SERVICESTATE$" --statetype="$SERVICESTATETYPE$" --perfdata="$SERVICEPERFDATA$" --host="$_HOSTVCENTERHOST" --port="$_HOSTVCENTERPORT" --user="user" --password=$(cat /usr/local/nagiosxi/var/studio_city) --vm-name="$_HOSTVCENTERVM" --path="$_SERVICEVCENTERDISK" --skip-ssl="$_HOSTVCENTERSKIPSSL" --size="15" --datastore="$_SERVICEVCENTERDATASTORE"
}
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