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85 lines
2.5 KiB
85 lines
2.5 KiB
#!/usr/bin/env bash
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set -euo pipefail
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# Weekly APT maintenance for docker hosts (runs Wednesdays at 12:00 local via systemd timer)
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# Posts results to Home Assistant webhook and optionally schedules reboot when required.
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WEBHOOK_URL="$1"
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HOST_NAME="${2:-$(hostname -s)}"
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REBOOT_DELAY_MINUTES="${3:-}"
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if [[ -z "$WEBHOOK_URL" ]]; then
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echo "Usage: $0 <webhook_url> [host_name] [reboot_delay_minutes]" >&2
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exit 1
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fi
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AUTO_REBOOT=false
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if [[ -n "$REBOOT_DELAY_MINUTES" ]]; then
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if [[ "$REBOOT_DELAY_MINUTES" =~ ^[0-9]+$ ]]; then
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AUTO_REBOOT=true
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else
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echo "reboot_delay_minutes must be a non-negative integer" >&2
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exit 1
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fi
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fi
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log() { echo "[$(date --iso-8601=seconds)] $*"; }
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UPDATED=false
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REBOOT=false
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MESSAGE=""
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log "Updating package lists"
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if ! apt-get update -qq; then
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MESSAGE="apt-get update failed"
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curl -sS -X POST -H 'Content-Type: application/json' -d "{\"success\":false,\"updated\":false,\"packages\":0,\"reboot_required\":false,\"message\":\"$MESSAGE\"}" "$WEBHOOK_URL"
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exit 0
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fi
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PACKAGES=$(apt list --upgradable 2>/dev/null | tail -n +2 | wc -l)
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if [[ "$PACKAGES" -gt 0 ]]; then
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log "Applying upgrades ($PACKAGES pending)"
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if apt-get -y upgrade --with-new-pkgs; then
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UPDATED=true
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else
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MESSAGE="apt-get upgrade failed"
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fi
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else
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log "No packages to upgrade"
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fi
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log "Autoremoving stale packages"
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apt-get -y autoremove >/dev/null 2>&1 || true
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if [[ -f /var/run/reboot-required ]]; then
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REBOOT=true
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fi
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payload=$(cat <<JSON
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{
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"host": "${HOST_NAME}",
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"success": $( [[ "$MESSAGE" == "" ]] && echo true || echo false ),
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"updated": $( $UPDATED && echo true || echo false ),
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"packages": $PACKAGES,
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"reboot_required": $( $REBOOT && echo true || echo false ),
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"auto_reboot_scheduled": $( [[ "$REBOOT" == true && "$AUTO_REBOOT" == true && "$MESSAGE" == "" ]] && echo true || echo false ),
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"reboot_delay_minutes": ${REBOOT_DELAY_MINUTES:-0},
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"message": "${MESSAGE}"
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}
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JSON
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)
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log "Posting results to Home Assistant"
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curl -sS -X POST -H 'Content-Type: application/json' -d "$payload" "$WEBHOOK_URL" || true
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if [[ "$REBOOT" == true && "$AUTO_REBOOT" == true && "$MESSAGE" == "" ]]; then
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shutdown -c >/dev/null 2>&1 || true
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if [[ "$REBOOT_DELAY_MINUTES" -eq 0 ]]; then
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log "Reboot required; rebooting immediately."
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shutdown -r now "APT weekly maintenance reboot"
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else
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log "Reboot required; scheduling reboot in ${REBOOT_DELAY_MINUTES} minute(s)."
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shutdown -r +"$REBOOT_DELAY_MINUTES" "APT weekly maintenance reboot"
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fi
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fi
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