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#!/bin/sh
# don't try refresh this more than once per minute
# Due to cpu consumption and login delays (LP: #1893716)
stamp="/var/lib/landscape/landscape-sysinfo.cache"
NEED_UPDATE="FALSE"
[ -z "$(find "$stamp" -newermt 'now-1 minutes' 2> /dev/null)" ] && NEED_UPDATE="TRUE"
if [ "$NEED_UPDATE" = "TRUE" ]; then
# pam_motd does not carry the environment
[ -f /etc/default/locale ] && . /etc/default/locale
export LANG
cores=$(grep -c ^processor /proc/cpuinfo 2>/dev/null)
[ "$cores" -eq "0" ] && cores=1
threshold="${cores:-1}.0"
if [ $(echo "`cut -f1 -d ' ' /proc/loadavg` < $threshold" | bc) -eq 1 ]; then
printf "\n System information as of %s\n\n%s\n" \
"$(/bin/date)" \
"$(/usr/bin/landscape-sysinfo)" \
> "$stamp"
else
# do not replace a formerly good result due to load
if ! grep -q "System information as of" $stamp 2> /dev/null; then
printf "\n System information disabled due to load higher than %s\n" "$threshold" > "$stamp"
fi
fi
fi
[ ! -r "$stamp" ] || cat "$stamp"