From d2ee68217e6fe2228a462ed5188df10483c5d3da Mon Sep 17 00:00:00 2001
From: Chl <chl-dev@bugness.org>
Date: Sun, 1 Oct 2023 01:32:25 +0200
Subject: [PATCH] nagios/btrfs: quick patch

---
 nagios/check_btrfs_quota.sh    | 9 +++++----
 nagios/etc/35_btrfs-checks.cfg | 1 +
 2 files changed, 6 insertions(+), 4 deletions(-)
 create mode 100644 nagios/etc/35_btrfs-checks.cfg

diff --git a/nagios/check_btrfs_quota.sh b/nagios/check_btrfs_quota.sh
index e4ede15..50a70f5 100755
--- a/nagios/check_btrfs_quota.sh
+++ b/nagios/check_btrfs_quota.sh
@@ -109,6 +109,7 @@ check_freespace_is_above_threshold() {
 # 4: EXCL
 # 5: MAXRFER
 # 6: MAXEXCL
+# 7: SUBVOLUMEPATH
 format_output_item() {
 	local LOCAL_OUTPUT=""
 	if [ "$5" != "none" ]; then
@@ -125,7 +126,7 @@ format_output_item() {
 			)"
 	fi
 	if [ -n "$LOCAL_OUTPUT" ]; then
-		printf "%s:%s (%s)" "$1" "$2" "$LOCAL_OUTPUT"
+		printf "%s:%s (%s)" "$1" "$2$( test -n "$7" && echo ":$7" )" "$LOCAL_OUTPUT"
 	fi
 }
 
@@ -175,7 +176,7 @@ while getopts hw:c:V: f; do
 			# Loop on each qgroup
 			# (the kinda weird <<EOF at the end is to avoid entering a sub-shell, so we can keep
 			# our precious vars even with prosix-strict dash)
-			while read QGROUPID RFER EXCL MAXRFER MAXEXCL; do
+			while read QGROUPID RFER EXCL MAXRFER MAXEXCL SUBVOLUMEPATH; do
 				LOOP_OUTPUT_STATUS=$STATE_OK
 				if [ "$MAXRFER" != "none" ]; then
 					FREERFER="$(( $MAXRFER - $RFER ))"
@@ -201,7 +202,7 @@ while getopts hw:c:V: f; do
 				# Depending on the alerts raised during this loop, we store
 				# the output in ok/warning/critical. This way, in case of critical
 				# alert, we don't list all the ok data.
-				TMP="$( format_output_item "$VOLUME" "$QGROUPID" "$RFER" "$EXCL" "$MAXRFER" "$MAXEXCL" )"
+				TMP="$( format_output_item "$VOLUME" "$QGROUPID" "$RFER" "$EXCL" "$MAXRFER" "$MAXEXCL" "$SUBVOLUMEPATH" )"
 				case "$LOOP_OUTPUT_STATUS" in
 					"$STATE_OK")
 						OUTPUT_DETAIL_OK="$OUTPUT_DETAIL_OK $TMP" ;;
@@ -211,7 +212,7 @@ while getopts hw:c:V: f; do
 						OUTPUT_DETAIL_CRITICAL="$OUTPUT_DETAIL_CRITICAL $TMP" ;;
 				esac
 
-				OUTPUT_PERFDATA="$( printf "%s\n%s\n%s" "$OUTPUT_PERFDATA" "$VOLUME:$QGROUPID:rfer=$RFER" "$VOLUME:$QGROUPID:excl=$EXCL" )"
+				OUTPUT_PERFDATA="$( printf "%s\n%s\n%s" "$OUTPUT_PERFDATA" "$VOLUME:$QGROUPID:$SUBVOLUMEPATH:rfer=$RFER" "$VOLUME:$QGROUPID:$SUBVOLUMEPATH:excl=$EXCL" )"
 			done <<EOF
 $( btrfs qgroup show -re --raw "$VOLUME" | tail -n +3 )
 EOF
diff --git a/nagios/etc/35_btrfs-checks.cfg b/nagios/etc/35_btrfs-checks.cfg
new file mode 100644
index 0000000..aa2b03c
--- /dev/null
+++ b/nagios/etc/35_btrfs-checks.cfg
@@ -0,0 +1 @@
+command[check_btrfs_quota]=sudo /usr/local/share/scripts-admin/nagios/check_btrfs_quota.sh -w 30% -c 10% -V /srv