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refactor(monitoring): simplify monitoring scripts and remove state tracking

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- Remove consecutive breach tracking for statement queue (immediate alerts)
- Consolidate script initialization into init_script() function
- Remove unused helper functions (send_ok, run_as_hana_user, get_mount_point)
- Flatten sld_watchdog.sh structure by removing main() wrapper
- Remove state directory and lock directory configuration from hana.conf
- Simplify alert messages to include threshold values

This continues the simplification effort from previous commits by removing stateful tracking mechanisms and streamlining the monitoring logic for easier maintenance.
This commit is contained in:
Tomi Eckert
2026-03-12 22:18:29 +01:00
parent cf5b81889d
commit 0beef6fa48
6 changed files with 83 additions and 148 deletions
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19
hana_log_segments.sh
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@@ -72,25 +72,22 @@ log_message "$SCRIPT_NAME" "Truncated Segments: ${truncated_segments}"
log_message "$SCRIPT_NAME" "Free Segments: ${free_segments}"
if [ $total_segments -eq 0 ]; then
log_message "$SCRIPT_NAME" "WARNING: No log segments found. Skipping percentage checks."
log_message "$SCRIPT_NAME" "WARNING: No log segments found."
send_alert "$SCRIPT_NAME" "HANA Log Segment Warning" "No log segments found."
exit 1
fi
# Calculate truncated percentage with integer arithmetic
# Calculate percentages
truncated_percentage=$((truncated_segments * 100 / total_segments))
if [ $truncated_percentage -gt $TRUNCATED_PERCENTAGE_THRESHOLD ]; then
log_message "$SCRIPT_NAME" "ALERT: ${truncated_percentage}% of log segments are 'Truncated'."
send_alert "$SCRIPT_NAME" "HANA Log Segment" "${truncated_percentage}% of HANA log segments are in 'Truncated' state."
fi
# Calculate free percentage with integer arithmetic
free_percentage=$((free_segments * 100 / total_segments))
# Check thresholds and alert
if [ $truncated_percentage -gt $TRUNCATED_PERCENTAGE_THRESHOLD ]; then
send_alert "$SCRIPT_NAME" "HANA Log Segment" "${truncated_percentage}% of log segments are 'Truncated' (threshold: ${TRUNCATED_PERCENTAGE_THRESHOLD}%)."
fi
if [ $free_percentage -lt $FREE_PERCENTAGE_THRESHOLD ]; then
log_message "$SCRIPT_NAME" "ALERT: Only ${free_percentage}% of log segments are 'Free'."
send_alert "$SCRIPT_NAME" "HANA Log Segment" "Only ${free_percentage}% of HANA log segments are in 'Free' state."
send_alert "$SCRIPT_NAME" "HANA Log Segment" "Only ${free_percentage}% of log segments are 'Free' (threshold: ${FREE_PERCENTAGE_THRESHOLD}%)."
fi
log_message "$SCRIPT_NAME" "Log segment check complete."