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Fix indentation
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‎check_kubernetes.sh‎

Lines changed: 41 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -27,12 +27,12 @@ usage() {
2727
- TLS expiration days for TLS mode; default is 30
2828
- Pod restart count in pods mode; default is 30
2929
- Job failed count in jobs mode; default is 1
30-
- Pvc storage utilization; default is 80%
30+
- Pvc storage utilization; default is 80%
3131
-c CRIT Critical threshold for
3232
- Pod restart count (in pods mode); default is 150
3333
- Unbound Persistent Volumes in unboundpvs mode; default is 5
3434
- Job failed count in jobs mode; default is 2
35-
- Pvc storage utilization; default is 90%
35+
- Pvc storage utilization; default is 90%
3636
-b Brief mode (more suitable for Zabbix)
3737
-M EXIT_CODE Exit code when resource is missing; default is 2 (CRITICAL)
3838
-h Show this help and exit
@@ -47,7 +47,7 @@ usage() {
4747
replicasets Check for replicasets readiness
4848
statefulsets Check for statefulsets readiness
4949
tls Check for tls secrets expiration dates
50-
pvc Check for pvc utilization
50+
pvc Check for pvc utilization
5151
unboundpvs Check for unbound persistent volumes
5252
components Check for health of k8s components (deprecated in K8s 1.19+)
5353
EOF
@@ -273,41 +273,49 @@ mode_pvc() {
273273
for node in "${nodes[@]}"; do
274274
data="$(getJSON "get nodes" "api/v1/nodes/$node/proxy/stats/summary")"
275275
[ $? -gt 0 ] && die "$data"
276-
pods=($(echo "$data" | jq -r ".pods[].podRef.name"))
276+
pods=($(echo "$data" | jq -r ".pods[].podRef.name"))
277277

278-
for pod in "${pods[@]}"; do
278+
for pod in "${pods[@]}"; do
279279
pod_volumes="$(echo "$data" | jq -r ".pods[] | select(.podRef.name==\"$pod\") | .volume" 2>/dev/null)"
280-
[ "$pod_volumes" == "null" ] && continue
281-
for volumes in "${pod_volumes[@]}"; do
282-
volumes_list="$(echo "$volumes" | jq -r ".[] | select(.pvcRef.name!=null)")"
283-
volumes_namespace=$(echo "$volumes_list" | jq -r ".pvcRef.namespace" | uniq)
284-
for pvc_volumes in "${volumes_list[@]}"; do
285-
[ "x$pvc_volumes" == "x" ] && continue
286-
for volume_name in $(echo $pvc_volumes | jq -r ".name"); do
287-
volume_bytes_available=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .availableBytes")
288-
volume_bytes_capacity=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .capacityBytes")
289-
volume_bytes_used=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .usedBytes")
290-
volume_inodes_free=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodesFree")
291-
volume_inodes_used=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodesUsed")
292-
volume_inodes_capacity=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodes")
293-
volume_bytes_utilization=$(echo "100 * $volume_bytes_used / $volume_bytes_capacity" | bc)
294-
volume_inodes_utilization=$(echo "100 * $volume_inodes_used / $volume_inodes_capacity" | bc)
295-
if [ "$volume_bytes_utilization" -gt "$WARN" -a "$volume_bytes_utilization" -lt "$CRIT" ]; then
296-
echo "WARNING. High storage utilization on pvc $volume_name (namespace:$volumes_namespace): $volume_bytes_utilization% ($volume_bytes_used/$volume_bytes_capacity Bytes)" && WARN_ERROR=$(($WARN_ERROR+1))
297-
fi
298-
if [ "$volume_bytes_utilization" -gt "$CRIT" ]; then
299-
echo "CRITICAL. Very high storage utilization on pvc $volume_name: $volume_bytes_utilization% ($volume_bytes_used/$volume_bytes_capacity Bytes)" && CRIT_ERROR=$(($CRIT_ERROR+1))
300-
fi
301-
if [ "$volume_inodes_utilization" -gt "$WARN" -a "$volume_inodes_utilization" -lt "$CRIT" ]; then
302-
echo "WARNING. High inodes utilization on pvc $volume_name: $volume_inodes_utilization% ($volume_inodes_used/$volume_inodes_capacity)" && WARN_ERROR=$(($WARN_ERROR+1))
280+
[ "$pod_volumes" == "null" ] && continue
281+
for volumes in "${pod_volumes[@]}"; do
282+
volumes_list="$(echo "$volumes" | jq -r ".[] | select(.pvcRef.name!=null)")"
283+
volumes_namespace=$(echo "$volumes_list" | jq -r ".pvcRef.namespace" | uniq)
284+
for pvc_volumes in "${volumes_list[@]}"; do
285+
[ -z "$pvc_volumes" ] && continue
286+
for volume_name in $(echo $pvc_volumes | jq -r ".name"); do
287+
volume_bytes_available=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .availableBytes")
288+
volume_bytes_capacity=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .capacityBytes")
289+
volume_bytes_used=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .usedBytes")
290+
volume_inodes_free=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodesFree")
291+
volume_inodes_used=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodesUsed")
292+
volume_inodes_capacity=$(echo "$pvc_volumes" | jq -r ". | select(.name==\"$volume_name\") | .inodes")
293+
volume_bytes_utilization=$(echo "100 * $volume_bytes_used / $volume_bytes_capacity" | bc)
294+
volume_inodes_utilization=$(echo "100 * $volume_inodes_used / $volume_inodes_capacity" | bc)
295+
if [ "$volume_bytes_utilization" -gt "$WARN" -a "$volume_bytes_utilization" -lt "$CRIT" ]; then
296+
echo "WARNING. High storage utilization on pvc $volume_name (namespace:$volumes_namespace): \
297+
$volume_bytes_utilization% ($volume_bytes_used/$volume_bytes_capacity Bytes)"
298+
WARN_ERROR=$(($WARN_ERROR+1))
299+
fi
300+
if [ "$volume_bytes_utilization" -gt "$CRIT" ]; then
301+
echo "CRITICAL. Very high storage utilization on pvc $volume_name: \
302+
$volume_bytes_utilization% ($volume_bytes_used/$volume_bytes_capacity Bytes)"
303+
CRIT_ERROR=$(($CRIT_ERROR+1))
304+
fi
305+
if [ "$volume_inodes_utilization" -gt "$WARN" -a "$volume_inodes_utilization" -lt "$CRIT" ]; then
306+
echo "WARNING. High inodes utilization on pvc $volume_name: \
307+
$volume_inodes_utilization% ($volume_inodes_used/$volume_inodes_capacity)"
308+
WARN_ERROR=$(($WARN_ERROR+1))
303309
fi
304310
if [ "$volume_inodes_utilization" -gt "$CRIT" ]; then
305-
echo "CRITICAL. Very high inodes utilization on pvc $volume_name: $volume_inodes_utilization% ($volume_inodes_used/$volume_inodes_capacity)" && CRIT_ERROR=$(($CRIT_ERROR+1))
311+
echo "CRITICAL. Very high inodes utilization on pvc $volume_name: \
312+
$volume_inodes_utilization% ($volume_inodes_used/$volume_inodes_capacity)"
313+
CRIT_ERROR=$(($CRIT_ERROR+1))
306314
fi
307-
done
308-
done
309-
done
310-
done
315+
done
316+
done
317+
done
318+
done
311319
done
312320

313321
if [ "$WARN_ERROR" -eq "0" -a "$CRIT_ERROR" -eq "0" ]; then

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