jhrcz

real world example of check-pkgswithoutrepo.sh

it is important to note, that this is slooooow. i think about some sort of asynchronicity

# time bash check-out-of-repos.sh
FAILED, 8 packages without repos found:  etnpol-tomcat-5.5.23-mysql-5.5.23-6.noarch git-1.8.0.1-1.jhr.1.el6.x86_64 etnpol-tomcat-5.5.23-log4j-5.5.23-6.noarch etnpol-tomcat-5.5.23-5.5.23-6.noarch perl-Git-1.8.0.1-1.jhr.1.el6.noarch percona-release-0.0-1.x86_64 etnpol-tomcat-5.5.23-core-5.5.23-6.noarch nagios-plugin-check-bindmounts-0.1.00.snap.20130307.115442.git.7b7b268-0.el6.noarch

real	5m32.469s

jhrcz

vimdiff <( echo "##### $1 #####" ; ssh root@$1 ls -l $3 | sort -k9 )  <( echo "##### $2 ##### ; ssh root@$2 ls -l $3 | sort -k9 )

jhrcz

teplate for check_cluster nagios check

scripted in bash for easy reusing

sample output

$ cat my-hostprefix-clu-host-GEN.cfg my-hostprefix--clu-services-GEN.cfg my-hostprefix-clu-deps-GEN.cfg 

jhrcz

attic

jhrcz

nagios check_cluster generator v2

why

• minimize manual configuration
• minize notifications from cluster hosts when clustered services are all down (notify only from new fake cluster host)

use

jhrcz

#!/bin/bash

cat /cgroup/blkio/libvirt/qemu/blkio.throttle.read_bps_device
cat /cgroup/blkio/libvirt/qemu/blkio.throttle.write_bps_device
cat /cgroup/blkio/libvirt/qemu/*/blkio.throttle.read_bps_device
cat /cgroup/blkio/libvirt/qemu/*/blkio.throttle.write_bps_device

# 10MBps
#BPSLIMIT=10485760

jhrcz

# satisfy any like funkcionality in nginx
# with client certificat or remote address
#
# based on https://sys-notes.com/bin/view/Main/NginxSSLClientAuth
#

#if ($ssl_client_s_dn !~ "(O=My Company)") {
#       return 403;
#}
set $accessok "";

jhrcz

one1c (ETN One Cloud #1) overview 2013

• opennebula 3.2.1, preparing for upgrade to 4.x (requires migrating gfs2clvm close to upstream lvm driver, renaming all lvm names )

architecture

• 8 viritualisation nodes (one1-host-X )

jhrcz

#!/bin/bash
# /usr/local/sbin/kvm-clock-hardsync.sh

# cron:
# * * * * * /usr/bin/cronic /usr/local/sbin/kvm-clock-hardsync.sh
#

[ "$DEBUG" = "YES" ] \
	&& set -x

jhrcz

# hacky way to apply patch from git generated with format-patch -D
echo 1 > src/datastore_mad/remotes/lvm/stat.fake
ln -sf src/datastore_mad/remotes/lvm/stat.fake src/datastore_mad/remotes/lvm/stat
%patch4 -p1