tomi/Scripts
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update monitor, echo errors to stderr

Browse Source
This commit is contained in:
Tomi Eckert
2025-09-24 18:04:14 +02:00
parent c800c20f1b
commit bb4b4ab5d5
2 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
monitor/monitor.sh
View File

@@ -1,5 +1,5 @@
#!/bin/bash
# Version: 1.0.4
# Version: 1.0.5
# =============================================================================
# SAP HANA Monitoring Script
#
@@ -22,7 +22,7 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
CONFIG_FILE="${SCRIPT_DIR}/monitor.conf"
if [ ! -f "$CONFIG_FILE" ]; then
echo "❌ Error: Configuration file not found at ${CONFIG_FILE}"
echo "❌ Error: Configuration file not found at ${CONFIG_FILE}" >&2
rm -f "$LOCK_FILE"
exit 1
fi
@@ -41,7 +41,7 @@ send_notification() {
# --- HANA Process Status ---
echo "⚙️ Checking HANA process status..."
if [ ! -x "$SAPCONTROL_PATH" ]; then
echo "❌ Error: sapcontrol not found or not executable at ${SAPCONTROL_PATH}"
echo "❌ Error: sapcontrol not found or not executable at ${SAPCONTROL_PATH}" >&2
send_notification "HANA Monitor Error" "❌ Error: sapcontrol not found or not executable at ${SAPCONTROL_PATH}"
exit 1
fi
@@ -49,8 +49,8 @@ fi
non_green_processes=$("${SAPCONTROL_PATH}" -nr "${HANA_INSTANCE_NR}" -function GetProcessList | tail -n +6 | grep -v 'GREEN')
if [ -n "$non_green_processes" ]; then
echo "🚨 Alert: One or more HANA processes are not running!"
echo "$non_green_processes"
echo "🚨 Alert: One or more HANA processes are not running!" >&2
echo "$non_green_processes" >&2
send_notification "HANA Process Alert" "🚨 Critical: One or more HANA processes are not GREEN. Problem processes: ${non_green_processes}"
exit 1 # Exit early as other checks might fail
fi
@@ -60,13 +60,13 @@ echo "✅ Success! All HANA processes are GREEN."
echo "ℹ️ Checking disk usage..."
for dir in "${DIRECTORIES_TO_MONITOR[@]}"; do
if [ ! -d "$dir" ]; then
echo "⚠️ Warning: Directory '$dir' not found. Skipping."
echo "⚠️ Warning: Directory '$dir' not found. Skipping." >&2
continue
fi
usage=$(df -h "$dir" | awk 'NR==2 {print $5}' | sed 's/%//')
echo " - ${dir} is at ${usage}%"
if (( $(echo "$usage > $DISK_USAGE_THRESHOLD" | bc -l) )); then
echo "🚨 Alert: ${dir} usage is at ${usage}% which is above the ${DISK_USAGE_THRESHOLD}% threshold."
echo "🚨 Alert: ${dir} usage is at ${usage}% which is above the ${DISK_USAGE_THRESHOLD}% threshold." >&2
send_notification "HANA Disk Alert" "🚨 Critical: Disk usage for ${dir} is at ${usage}%."
fi
done
@@ -74,13 +74,13 @@ done
# --- HANA Log Segment Monitoring ---
echo "⚙️ Executing HANA SQL query..."
if [ ! -x "$HDBSQL_PATH" ]; then
echo "❌ Error: hdbsql not found or not executable at ${HDBSQL_PATH}"
echo "❌ Error: hdbsql not found or not executable at ${HDBSQL_PATH}" >&2
send_notification "HANA Monitor Error" "❌ Error: hdbsql not found or not executable at ${HDBSQL_PATH}"
exit 1
fi
readarray -t sql_output < <("$HDBSQL_PATH" -U "$HANA_USER_KEY" -c ";" "$SQL_QUERY" 2>&1)
if [ $? -ne 0 ]; then
echo "❌ Failure! The hdbsql command failed. Please check logs."
echo "❌ Failure! The hdbsql command failed. Please check logs." >&2
error_message=$(printf '%s\n' "${sql_output[@]}")
send_notification "HANA Monitor Error" "❌ Failure! The hdbsql command failed. Details: ${error_message}"
exit 1
@@ -107,19 +107,19 @@ echo "ℹ️ Truncated Segments: ${truncated_segments}"
echo "ℹ️ Free Segments: ${free_segments}"
if [ $total_segments -eq 0 ]; then
echo "⚠️ Warning: No log segments found. Skipping percentage checks."
echo "⚠️ Warning: No log segments found. Skipping percentage checks." >&2
exit 0
fi
truncated_percentage=$((truncated_segments * 100 / total_segments))
if (( $(echo "$truncated_percentage > $TRUNCATED_PERCENTAGE_THRESHOLD" | bc -l) )); then
echo "🚨 Alert: ${truncated_percentage}% of log segments are 'Truncated'."
echo "🚨 Alert: ${truncated_percentage}% of log segments are 'Truncated'." >&2
send_notification "HANA Log Segment Alert" "🚨 Alert: ${truncated_percentage}% of HANA log segments are in 'Truncated' state."
fi
free_percentage=$((free_segments * 100 / total_segments))
if (( $(echo "$free_percentage < $FREE_PERCENTAGE_THRESHOLD" | bc -l) )); then
echo "🚨 Alert: Only ${free_percentage}% of log segments are 'Free'."
echo "🚨 Alert: Only ${free_percentage}% of log segments are 'Free'." >&2
send_notification "HANA Log Segment Alert" "🚨 Alert: Only ${free_percentage}% of HANA log segments are in 'Free' state."
fi