From 631312cdb33804d0b002943c59354467c417e13c Mon Sep 17 00:00:00 2001
From: David Schroeder <david@schroedercity.com>
Date: Wed, 8 Nov 2023 09:03:46 -0600
Subject: [PATCH] Update offsite-power-check.sh

---
 offsite-power-check.sh | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/offsite-power-check.sh b/offsite-power-check.sh
index 44f47989..f10a31bf 100755
--- a/offsite-power-check.sh
+++ b/offsite-power-check.sh
@@ -2,9 +2,13 @@
 
 PW_FOLDER='/opt/idssys/powerwall'
 PW_LOGFOLDER=${PW_FOLDER}/logs
+PW_LOGARCHIVE=${PW_FOLDER}/logs/archive
+PW_TMPFOLDER=${PW_FOLDER}/.tmp
+[ ! -d ${PW_LOGFOLDER} ] && mkdir ${PW_LOGFOLDER}
+[ ! -d ${PW_LOGARCHIVE} ] && mkdir ${PW_LOGARCHIVE}
+[ ! -d ${PW_TMPFOLDER} ] && mkdir ${PW_TMPFOLDER}
 PW_LOGFILE=${PW_LOGFOLDER}/logfile
 PW_LOGPOWER=${PW_LOGFOLDER}/log-power
-PW_TMPFOLDER=${PW_FOLDER}/.tmp
 [ ! -f ${PW_LOGFILE} ] && touch ${PW_LOGFILE}
 [ ! -f ${PW_LOGPOWER} ] && touch ${PW_LOGPOWER}
 
@@ -132,10 +136,37 @@ PWO_RESTART() {
 
 }
 
+LOGROTATE(){
+	lm=`expr $(date +'%m') - 1`
+	if [ ${lm} = 0 ]; then
+		lm=12
+		ly=`expr $(date +'%Y') - 1`
+	else
+		ly=$(date +'%Y')
+	fi
+	[ ${lm} -lt 10 ] && lm="0${lm}"
+	ARCHIVEFOLDER=${PW_LOGARCHIVE}/${ly}-${lm}
+	mkdir -p ${ARCHIVEFOLDER}
+	mv ${PW_LOGFOLDER}/log* ${ARCHIVEFOLDER}/ 2> /dev/null
+	[ ! -f ${PW_LOGFILE} ] && touch ${PW_LOGFILE}
+	[ ! -f ${PW_LOGPOWER} ] && touch ${PW_LOGPOWER}
+	backupstokeep=(`ls -d ${PW_LOGARCHIVE}/* 2> /dev/null | sort | tail -12`)
+	for folder in $(ls -d ${PW_LOGARCHIVE}/* | sort -r); do
+		keep=0
+		for filetokeep in ${backupstokeep[@]}; do
+			if [ "${folder}" == "${filetokeep}" ]; then
+				keep=1; break
+			fi
+		done;
+		[ ${keep} == 0 ] && rm -Rf ${folder}
+	done
+}
+
 case $1 in
 	start) PWO_START &;;
 	stop) PWO_STOP;;
 	restart) PWO_RESTART;;
+	logrotate) LOGROTATE;;
 	update)
 		cd ${PW_FOLDER}
 		if [ "`git log --pretty=%H ...refs/heads/master^ | head -n 1`" != "`git ls-remote origin -h refs/heads/master |cut -f1`" ]; then