A collection of shell function for provisioning tasks.
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##
# \file
# To each interface a set of caller functions exist, that take an instance
# of an object and then in turn call the implementation for the class of
# this object. If there is none within the class it looks into its
# parent class and so forth.
#
# This is somewhat similar to late binding in real OOP languages, but
# by far not so elaborated. This is not a real object oriented language
# and will surely never ever provide all features these have.
#
# That said it has proven very usefull for me to orgnize code and prevent
# code duplication.
#
# \author Georg Hopp
#
# \copyright
# Copyright © 2014 Georg Hopp
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
gather_cpu_info() {
[ -z "${NCPUS}" ] || return
has_class "GNU" && {
export NCPUS=$(${NPROC})
set_class ${NCPUS}cpus
}
has_class "Linux" && {
eval $(${LSCPU} | ${AWK} -F: '
{ sub(/^ */,"",$2) }
/Byte Order/ {
sub(/ /,"_",$2);
print "export BYTE_ORDER=\"" $2 "\";"
}
/CPU op-mode/ {
sub(/,/,"",$2);
print "export OP_MODES=\"" $2 "\";"
}
/CPU(s):/ { print "export NCPUS=" $2 ";" }
/Virtualization/ { print "export CPU_VIRT=\"" $2 "\";" }')
set_class ${NCPUS}cpus ${CPU_VIRT} ${BYTE_ORDER} ${OP_MODES}
}
has_class "FreeBSD" && {
export NCPUS=$(${SYSCTL} kern.smp.cpus | cut -d\ -f2)
set_class ${NCPUS}cpus
}
}
# vim: set ts=4 sw=4: