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Varaverk/unRAID_Essentials/server-reboot.sh
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#!/bin/bash
# -----------------------------------------------------------------------------------------------
# --------------------------------- Server Reboot Script ---------------------------------------
# -----------------------------------------------------------------------------------------------
# Gracefully reboots the unRAID server with a configurable user warning delay.
# Stops Docker and VM Manager cleanly before issuing reboot.
# Reboot delay is configured in Master.conf under REBOOT_SLEEP.
# Supports --dry-run to walk through the sequence without actually rebooting.
# -----------------------------------------------------------------------------------------------
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../Master.conf"
source "$SCRIPT_DIR/../common.sh"
parse_args "$@"
# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_GEAR Setup ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━ $ICON_GEAR Setup ━━━"
# ROOT CHECK
if [[ "$EUID" -ne 0 ]]; then
error "Must be run as root"
exit 1
fi
success "Running as root"
# VALIDATION
validate_int REBOOT_SLEEP "$REBOOT_SLEEP"
# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_SUMMARY Status ━━━
# -----------------------------------------------------------------------------------------------
if [[ "$SHOW_STATUS" == true ]]; then
echo ""
echo "━━━━━ $ICON_SUMMARY STATUS ━━━━━"
echo "$ICON_REBOOT Delay: ${REBOOT_SLEEP}s"
echo "$ICON_GEAR Dry Run: $DRY_RUN"
echo "━━━━━━━━━━━━━━━━━━━━━━━"
exit 0
fi
# -----------------------------------------------------------------------------------------------
# FUNCTIONS
# -----------------------------------------------------------------------------------------------
# Broadcasts a wall message warning all logged in users of the upcoming reboot.
notify_users() {
warn "Notifying users — reboot in ${REBOOT_SLEEP}s"
wall "$ICON_WARN unRAID server will reboot in ${REBOOT_SLEEP} second(s). Save your work."
}
# Stops the Docker service cleanly.
# Warns but continues if Docker is already stopped or fails — shutdown must proceed.
stop_docker() {
if [[ "$DRY_RUN" == true ]]; then
warn "DRY RUN — would stop Docker service"
return
fi
info "Stopping Docker service..."
if /etc/rc.d/rc.docker stop; then
success "Docker stopped"
else
warn "Docker stop failed or already stopped — continuing"
fi
}
# Stops the VM Manager (libvirt) cleanly.
# Warns but continues if libvirt is already stopped or fails — shutdown must proceed.
stop_vm_manager() {
if [[ "$DRY_RUN" == true ]]; then
warn "DRY RUN — would stop VM Manager (libvirt)"
return
fi
info "Stopping VM Manager..."
if /etc/rc.d/rc.libvirt stop; then
success "VM Manager stopped"
else
warn "VM Manager stop failed or already stopped — continuing"
fi
}
# Flushes filesystem buffers to disk before reboot.
sync_disks() {
if [[ "$DRY_RUN" == true ]]; then
warn "DRY RUN — would sync filesystem buffers"
return
fi
info "Syncing disks..."
if sync; then
success "Disk sync complete"
else
warn "Sync returned an error — continuing"
fi
}
# Issues the system reboot command.
# System will not return from this call unless dry-run is active.
reboot_system() {
if [[ "$DRY_RUN" == true ]]; then
warn "DRY RUN — would reboot system now"
return
fi
echo ""
echo "$ICON_REBOOT Rebooting system NOW..."
/sbin/reboot
}
# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_REBOOT Reboot Sequence ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━ $ICON_REBOOT Reboot Sequence ━━━"
echo "$ICON_REBOOT Delay: ${REBOOT_SLEEP}s"
echo "$ICON_GEAR Dry Run: $DRY_RUN"
echo ""
[[ "$DRY_RUN" == true ]] && warn "DRY RUN — no changes will be made"
START=$(date +%s)
if [[ "$REBOOT_SLEEP" -gt 0 ]]; then
notify_users
info "Waiting ${REBOOT_SLEEP}s before shutdown sequence..."
sleep "$REBOOT_SLEEP"
fi
stop_docker
stop_vm_manager
sync_disks
reboot_system
# NOTE: system will not reach here unless --dry-run is active
END=$(date +%s)
# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_SUMMARY Summary ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━━━ $ICON_SUMMARY REBOOT SUMMARY ━━━━━"
echo "$ICON_REBOOT Delay: ${REBOOT_SLEEP}s"
echo "$ICON_TIME Duration: $(format_duration $((END - START)))"
if [[ "$DRY_RUN" == true ]]; then
echo "$ICON_WARN Status: DRY RUN — no reboot executed"
else
echo "$ICON_REBOOT Status: $ICON_WARN SYSTEM SHOULD BE REBOOTING"
fi
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"