Tomi Eckert
cf5b81889d
- Replace state-based notifications with direct alert functions - Remove auto-cleanup functionality from disk monitoring and configuration - Simplify lock acquisition/release across all monitoring scripts - Add execute_hana_sql helper functions for consistent SQL execution - Remove state file tracking in favor of direct file operations - Standardize error handling with exit codes on critical failures - Clean up hana.conf by removing unused auto-delete directory settings
65 lines
2.1 KiB
Bash
65 lines
2.1 KiB
Bash
#!/bin/bash
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# =============================================================================
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# SAP HANA Disk Space Monitoring Script
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# Checks disk usage for configured directories with auto-cleanup capability
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# =============================================================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
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SCRIPT_NAME="hana_disk"
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# Load configuration
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source "${SCRIPT_DIR}/hana.conf"
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source "${SCRIPT_DIR}/hana_lib.sh"
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# Acquire lock
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if ! acquire_lock "$SCRIPT_NAME"; then
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exit 1
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fi
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trap 'release_lock "$SCRIPT_NAME"' EXIT
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log_message "$SCRIPT_NAME" "Starting disk usage check..."
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# Track overall status
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ALERT_COUNT=0
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TOTAL_DIRS=0
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for dir in "${DIRECTORIES_TO_MONITOR[@]}"; do
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TOTAL_DIRS=$((TOTAL_DIRS + 1))
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# Check if directory exists
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if [ ! -d "$dir" ]; then
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log_message "$SCRIPT_NAME" "WARNING: Directory '$dir' not found. Skipping."
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send_alert "$SCRIPT_NAME" "HANA Disk Warning" "Directory '$dir' not found."
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ALERT_COUNT=$((ALERT_COUNT + 1))
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continue
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fi
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# Get disk usage percentage
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usage=$(get_disk_usage_percentage "$dir")
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if [ -z "$usage" ] || [ "$usage" -eq 0 ]; then
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log_message "$SCRIPT_NAME" "WARNING: Could not determine disk usage for '$dir'. Skipping."
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continue
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fi
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log_message "$SCRIPT_NAME" "Directory ${dir} is at ${usage}%"
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# Check if usage exceeds threshold
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if [ "$usage" -gt "$DISK_USAGE_THRESHOLD" ]; then
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log_message "$SCRIPT_NAME" "ALERT: ${dir} usage is at ${usage}% which is above the ${DISK_USAGE_THRESHOLD}% threshold."
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send_alert "$SCRIPT_NAME" "HANA Disk" "Disk usage for ${dir} is at ${usage}% (threshold: ${DISK_USAGE_THRESHOLD}%)."
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ALERT_COUNT=$((ALERT_COUNT + 1))
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else
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log_message "$SCRIPT_NAME" "OK: ${dir} usage is at ${usage}% (below threshold)."
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fi
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done
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# Summary logging
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log_message "$SCRIPT_NAME" "Disk check complete. Total: ${TOTAL_DIRS} dirs, ${ALERT_COUNT} alerts."
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# Exit with status based on alerts
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if [ "$ALERT_COUNT" -gt 0 ]; then
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exit 1
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fi
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exit 0
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