Files
ServerManagementUtils/orchestrator/setup-crontab.sh
T
2025-06-28 11:57:09 +00:00

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2.8 KiB
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#!/bin/bash
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
. "${SCRIPT_DIR}/../share/logging.sh"
SCRIPTS=(
"../metrics/disk-usage.sh"
"../metrics/power-usage.sh"
"../metrics/temperature.sh"
)
CheckScriptExists() {
local script="$1"
local script_path="${SCRIPT_DIR}/${script}"
if [[ -f "$script_path" && -x "$script_path" ]]; then
return 0
elif [[ -f "$script_path" ]]; then
LogWarning "Script $script exists but is not executable. Making it executable..."
chmod +x "$script_path"
return 0
else
return 1
fi
}
ManageCrontabEntry() {
local script="$1"
local script_path="${SCRIPT_DIR}/${script}"
local cron_pattern="* * * * * ${script_path}"
local current_crontab
current_crontab=$(crontab -l 2>/dev/null || echo "")
if echo "$current_crontab" | grep -q "$script_path"; then
LogInformation "Crontab entry for $script already exists"
if echo "$current_crontab" | grep -q "^\* \* \* \* \* ${script_path}"; then
LogInformation "Entry for $script is already set to run every minute"
else
LogInformation "Updating $script to run every minute"
local new_crontab
new_crontab=$(echo "$current_crontab" | grep -v "$script_path")
new_crontab="${new_crontab}${new_crontab:+$'\n'}${cron_pattern}"
echo "$new_crontab" | crontab -
LogInformation "Updated crontab entry for $script"
fi
else
LogInformation "Adding new crontab entry for $script"
local new_crontab="${current_crontab}${current_crontab:+$'\n'}${cron_pattern}"
echo "$new_crontab" | crontab -
LogInformation "Added crontab entry for $script"
fi
}
BackupCrontab() {
local backup_file="${SCRIPT_DIR}/crontab_backup_$(date +%Y%m%d_%H%M%S)"
crontab -l > "$backup_file" 2>/dev/null
if [[ $? -eq 0 ]]; then
LogInformation "Crontab backed up to: $backup_file"
else
LogWarning "No existing crontab to backup or backup failed"
fi
}
Main() {
LogInformation "Starting crontab setup for server management scripts"
BackupCrontab
for script in "${SCRIPTS[@]}"; do
LogInformation "Processing $script..."
if CheckScriptExists "$script"; then
LogInformation "Script $script found and is executable"
ManageCrontabEntry "$script"
else
LogWarning "Script $script not found or not accessible, skipping..."
fi
done
LogInformation "Crontab setup completed"
LogInformation "Current crontab entries:"
crontab -l 2>/dev/null | grep -E "(check-disk-usage|check-power-usage|check-temperature)" || LogInformation "No matching entries found"
}
Main "$@"