135 lines
5.2 KiB
Bash
Executable File
135 lines
5.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# One-shot deploy: systemd service + packwiz pack + player setup guides.
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#
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# ./deploy.sh -n "Opengames" -a themiro -u https://games.abdelbaki.eu/mods \
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# -N 21.1.72 --accept-eula
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#
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# Runs, in order:
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# 1. mc-service-setup.sh (root) — minecraft user, NeoForge, systemd units
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# 2. packwiz-setup.sh (you) — pack, mod index from the mirror, guides
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#
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# Safe to re-run. Each run snapshots the dataset, stops the server if it was
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# running, rebuilds config and the pack from scratch, and starts it back up.
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# The world and $SHARE/mods are never touched; an existing pack is moved aside
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# to <pack>.bak.<timestamp> rather than deleted.
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#
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# --keep-pack keep the existing pack instead of rebuilding it
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# --no-snapshot skip the pre-deploy ZFS snapshot
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#
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# Run as your normal user; it calls sudo for the parts that need it.
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set -euo pipefail
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NAME=""; AUTHOR=""; BASEURL=""; NFVER="latest"; MCVER="1.21.1"
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SHARE="/minecraft"; XMX="10G"; XMS="10G"; ACCEPT_EULA=""; PORT="25565"; KEEP_PACK=0; SNAPSHOT=1; HTTP_PORT="18080"; HTTP_BIND="0.0.0.0"; SCHEME=""
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HERE="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
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die() { echo "error: $*" >&2; exit 1; }
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step() { printf '\n\033[1m=== %s ===\033[0m\n\n' "$*"; }
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usage() { awk 'NR>1 && /^#/ {sub(/^# ?/,""); print; next} NR>1 {exit}' "$0"; exit "${1:-0}"; }
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while [ $# -gt 0 ]; do
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case "$1" in
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-n|--name) NAME="${2:-}"; shift 2 ;;
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-a|--author) AUTHOR="${2:-}"; shift 2 ;;
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-u|--base-url) BASEURL="${2:-}"; shift 2 ;;
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-N|--neoforge) NFVER="${2:-}"; shift 2 ;;
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-m|--mc) MCVER="${2:-}"; shift 2 ;;
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-s|--share) SHARE="${2:-}"; shift 2 ;;
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-p|--port) PORT="${2:-}"; shift 2 ;;
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-H|--http-port) HTTP_PORT="${2:-}"; shift 2 ;;
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-B|--http-bind) HTTP_BIND="${2:-}"; shift 2 ;;
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-S|--scheme) SCHEME="${2:-}"; shift 2 ;;
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-X|--xmx) XMX="${2:-}"; shift 2 ;;
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-x|--xms) XMS="${2:-}"; shift 2 ;;
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--accept-eula) ACCEPT_EULA="--accept-eula"; shift ;;
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--keep-pack) KEEP_PACK=1; shift ;;
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--no-snapshot) SNAPSHOT=0; shift ;;
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-h|--help) usage 0 ;;
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*) echo "unknown option: $1" >&2; usage 1 ;;
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esac
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done
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[ "$(id -u)" -ne 0 ] || die "run this as your normal user, not root — it sudos where needed"
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[ -n "$NAME" ] || die "missing -n <pack name>"
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[ -n "$AUTHOR" ] || die "missing -a <author>"
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[ -n "$BASEURL" ] || die "missing -u <mirror base url>, e.g. https://games.abdelbaki.eu/mods"
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for s in mc-service-setup.sh packwiz-setup.sh mc-refresh-restart.sh; do
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[ -x "$HERE/$s" ] || die "missing or not executable: $HERE/$s"
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done
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# Fail early rather than halfway through, since step 1 makes system changes.
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sudo -v || die "sudo is required"
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# ------------------------------------------------------------ re-run prep ---
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# Re-running is expected: a run that failed partway leaves a half-applied state,
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# and later runs change settings that only take effect on a fresh start. So take
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# a snapshot, stop the server, redeploy, and put it back how it was.
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#
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# World data and $SHARE/mods are never touched by any of this.
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WAS_ACTIVE=0
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if systemctl is-active --quiet minecraft.service 2>/dev/null; then
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WAS_ACTIVE=1
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fi
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if (( SNAPSHOT )) && mountpoint -q "$SHARE" && command -v zfs >/dev/null; then
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DATASET="$(findmnt -no SOURCE "$SHARE" 2>/dev/null || true)"
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if [ -n "$DATASET" ] && [ "$(findmnt -no FSTYPE "$SHARE")" = zfs ]; then
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SNAP="$DATASET@predeploy-$(date +%Y%m%d%H%M%S)"
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step "Snapshotting $SNAP"
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sudo zfs snapshot "$SNAP" \
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&& echo "roll back with: sudo zfs rollback $SNAP" \
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|| die "zfs snapshot failed — pass --no-snapshot to deploy anyway"
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fi
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fi
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if (( WAS_ACTIVE )); then
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step "Stopping minecraft.service for redeploy"
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sudo systemctl stop minecraft.service
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fi
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step "1/2 Minecraft systemd service"
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sudo "$HERE/mc-service-setup.sh" \
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-s "$SHARE" -A "$USER" -X "$XMX" -x "$XMS" -m "$MCVER" -p "$PORT" -H "$HTTP_PORT" -B "$HTTP_BIND" \
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${NFVER:+-N "$NFVER"} ${ACCEPT_EULA}
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PACK_FORCE=""
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(( KEEP_PACK )) || PACK_FORCE="--force"
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PACK_SCHEME=""
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[ -z "$SCHEME" ] || PACK_SCHEME="-S $SCHEME"
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step "2/2 packwiz pack and player guides"
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# The admin group membership from step 1 isn't active in this shell yet, so run
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# the pack setup under the new group explicitly rather than telling you to log
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# out and back in.
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if id -nG "$USER" | tr ' ' '\n' | grep -qx minecraft; then
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"$HERE/packwiz-setup.sh" -n "$NAME" -a "$AUTHOR" -m "$MCVER" -u "$BASEURL" -s "$SHARE" -p "$PORT" ${PACK_FORCE} ${PACK_SCHEME}
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else
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sg minecraft -c "$(printf '%q ' "$HERE/packwiz-setup.sh" -n "$NAME" -a "$AUTHOR" \
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-m "$MCVER" -u "$BASEURL" -s "$SHARE" -p "$PORT" ${PACK_FORCE} ${PACK_SCHEME})"
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fi
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if (( WAS_ACTIVE )); then
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step "Restarting minecraft.service"
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sudo systemctl start minecraft.service
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fi
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step "Done"
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cat <<EOF
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Start the server:
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sudo systemctl start minecraft
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journalctl -u minecraft -f
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Keep it in sync after adding mods to $SHARE/mods:
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$HERE/mc-refresh-restart.sh
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Edit the config block at the top of mc-refresh-restart.sh first — it needs
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PACK_DIR, BASE_URL and PACK_URL pointed at what this run just created.
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EOF
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