name : landscape-sysinfo.wrapper #!/bin/sh # don't try refresh this more than once per minute # Due to cpu consumption and login delays (LP: #1893716) CACHE="/var/lib/landscape/landscape-sysinfo.cache" HAS_CACHE="FALSE" CACHE_NEEDS_UPDATE="FALSE" [ -r "$CACHE" ] && HAS_CACHE="TRUE" [ -z "$(find "$CACHE" -newermt 'now-1 minutes' 2> /dev/null)" ] && CACHE_NEEDS_UPDATE="TRUE" if [ "$HAS_CACHE" = "TRUE" ] && [ "$CACHE_NEEDS_UPDATE" = "FALSE" ]; then cat "$CACHE" else SYSINFO="" # 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` < $THRESHOLD" | bc) -eq 1 ]; then SYSINFO=$(printf "\n System information as of %s\n\n%s\n" \ "$(/bin/date)" \ "$(/usr/bin/landscape-sysinfo)") echo "$SYSINFO" 2>/dev/null >"$CACHE" || true chmod 0644 "$CACHE" 2>/dev/null || true else SYSINFO=$(printf "\n System information disabled due to load higher than %s\n" "$THRESHOLD") if [ "$HAS_CACHE" = "TRUE" ]; then if ! grep -q "System information as of" $CACHE 2>/dev/null; then # do not replace a formerly good result due to load echo "$SYSINFO" 2>/dev/null >"$CACHE" || true chmod 0644 "$CACHE" 2>/dev/null || true else SYSINFO=$(cat "$CACHE") fi fi fi printf "%s\n" "$SYSINFO" fi exit 0