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
80 lines
3.0 KiB
Bash
80 lines
3.0 KiB
Bash
#!/bin/bash
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# =============================================================================
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# SAP HANA Backup Status Monitoring Script
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# Checks last successful backup age
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# =============================================================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
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SCRIPT_NAME="hana_backup"
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# Load configuration
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source "${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 backup status check..."
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# Check if hdbsql is available
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if [ ! -x "$HDBSQL_PATH" ]; then
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log_message "$SCRIPT_NAME" "ERROR: hdbsql not found or not executable at ${HDBSQL_PATH}"
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send_alert "$SCRIPT_NAME" "HANA Monitor Error" "hdbsql not found or not executable at ${HDBSQL_PATH}"
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exit 1
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fi
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# SQL Query for last successful backup
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BACKUP_SQL="SELECT TOP 1 SYS_START_TIME FROM M_BACKUP_CATALOG WHERE ENTRY_TYPE_NAME = 'complete data backup' AND STATE_NAME = 'successful' ORDER BY SYS_START_TIME DESC"
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# Execute SQL query
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backup_result=$(execute_hana_sql "$BACKUP_SQL")
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sql_status=$?
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if [ $sql_status -ne 0 ]; then
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log_message "$SCRIPT_NAME" "ERROR: Failed to execute backup query. Exit code: ${sql_status}"
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send_alert "$SCRIPT_NAME" "HANA Backup Error" "Failed to execute backup query. Exit code: ${sql_status}"
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exit 1
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fi
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last_backup_date=$(echo "$backup_result" | tr -d '"' | sed 's/\..*//')
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if [[ -z "$last_backup_date" || "$last_backup_date" == *"error"* || "$last_backup_date" == *"Error"* ]]; then
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message="No successful complete data backup found for ${COMPANY_NAME} HANA."
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log_message "$SCRIPT_NAME" "CRITICAL: ${message}"
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send_alert "$SCRIPT_NAME" "HANA Backup" "$message"
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exit 1
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fi
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# Calculate backup age
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last_backup_epoch=$(date -d "$last_backup_date" +%s 2>/dev/null)
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if [ $? -ne 0 ]; then
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log_message "$SCRIPT_NAME" "ERROR: Failed to parse backup date: ${last_backup_date}"
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send_alert "$SCRIPT_NAME" "HANA Backup" "Failed to parse backup date: ${last_backup_date}"
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exit 1
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fi
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current_epoch=$(date +%s)
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threshold_seconds=$((BACKUP_THRESHOLD_HOURS * 3600))
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age_seconds=$((current_epoch - last_backup_epoch))
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age_hours=$((age_seconds / 3600))
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if [ $age_seconds -lt 0 ]; then
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log_message "$SCRIPT_NAME" "WARNING: Backup timestamp is in the future. Possible clock skew."
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age_hours=0
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fi
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if [ $age_seconds -gt $threshold_seconds ]; then
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message="Last successful HANA backup for ${COMPANY_NAME} is ${age_hours} hours old, which exceeds the threshold of ${BACKUP_THRESHOLD_HOURS} hours. Last backup was on: ${last_backup_date}."
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log_message "$SCRIPT_NAME" "CRITICAL: ${message}"
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send_alert "$SCRIPT_NAME" "HANA Backup" "$message"
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exit 1
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else
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message="Last successful backup is ${age_hours} hours old (Threshold: ${BACKUP_THRESHOLD_HOURS} hours)."
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log_message "$SCRIPT_NAME" "SUCCESS: ${message}"
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fi
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log_message "$SCRIPT_NAME" "Backup check complete."
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