Lincoln Bryant LincolnBryant

Kubernetes v1.10 on CentOS 7

Head node installation

On the head node:

# yum update -y
# yum install -y docker
# systemctl enable docker && systemctl start docker
# cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]

Cobbler on EL7

Installing the software

Install of the stuff you need, and maybe some of the stuff you don't.

yum install epel-release -y
yum install cobbler cobbler-web pykickstart fence-agents-all git nc dhcp xinetd

CVMFS over LXD

Install CVMFS from CERN:

# dpkg -i /home/lincolnb/cvmfs-release-latest_all.deb
# apt update
# apt install cvmfs

The "Campus Factory" script basically monitors schedds for idle jobs and submits as appropriate to the remote cluster. A typical submission looks like this:

condor_submit /home/ruc.clemson/bosco/libexec/campus_factory/share/glidein_jobs/job.submit.template  -a REMOTE_SCHEDULER="pbs" -a WN_TMP="/local_scratch" -a GLIDEIN_Site="osgconnect@user.palmetto.clemson.edu/pbs" -a GLIDEIN_DIR="/home/ruc.clemson/bosco/libexec/campus_factory/share/glidein_jobs" -a REMOTE_FACTORY="/scratch1/osgconnect/bosco/clemson/campus_factory" -a PASSWDFILE_LOCATION="/home/ruc.clemson/bosco/local.bosco/passwdfile" -a BOSCOCluster="osgconnect@user.palmetto.clemson.edu/pbs" -a GLIDEIN_HOST="rccf-osg.ci-connect.net:11012?sock=collector" -a REMOTE_CLUSTER="osgconnect@user.palmetto.clemson.edu"

I suspect APF can completely replace this component.

The job submit template looks like this:

the libvirt netinstall bargain bonanza!

I think in my ideal world, I'd have unlimited hardware to install every quirky Linux or UNIX distro under the Sun. Since I don't live in that glorious fantasy realm, I've taken to virtualizing pretty much everything lately. One of the things that irritates me about that approach, though, is that I have to download a relatively fat ISO in order to get at a fairly small installer and bootstrap my shiny new OS.

	#!/usr/bin/env python
	BLOCKSIZE=3210241024
	import sys
	from zlib import adler32

	for f in sys.argv[1:]:
	val = 1
	if f=='-':
	fp=sys.stdin
	else:

	#!/usr/bin/env python
	#
	# bestman callout adler32
	#
	# This reads or sets the extended attribute user.adler32 for files in Lustre
	#
	# use:
	#
	# adler32.py
	#

	#!/usr/bin/env python
	#
	# bestman callout adler32
	#
	# This reads or sets the extended attribute user.adler32 for files in Lustre
	#
	# use:
	#
	# adler32.py
	#

	#!/usr/bin/env python
	#
	# bestman callout adler32
	#
	# This reads or sets the extended attribute user.adler32 for files in Lustre
	#
	# use:
	#
	# adler32.py
	#

	#!/bin/bash

	################################################################################
	# blahp-over-ssh shim script
	#
	# command [options] remote_hostname [remote options/arguments]
	#
	# Options:
	# see usage string
	#