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deploy/upgrade.sh

@@ -0,0 +1,92 @@
+#!/bin/sh
+# Upgrade the existing installation, retaining its data and administrator account.
+set -eu
+PATH=/usr/sbin:/usr/bin:/sbin:/bin
+export PATH
+umask 077
+usage() {
+ cat <<'HELP'
+用法：sudo ./upgrade.sh [--prefix /opt/bluebird] [--access-url URL ...] [--lan-url URL] [--listen IP:端口] [--no-start]
+
+保留当前配置参数、文件、密钥和管理员密码；新增入口与指定监听地址会合并到配置中。
+默认停止服务、一致性备份、更新程序及配置、检查后启动。失败时恢复旧程序和配置。
+--no-start用于已手动停服的离线升级，升级后暂不启动服务。
+HELP
+}
+die(){ printf '%s\n' "升级失败：$*" >&2;exit 1; }
+value(){ [ "$#" -ge 2 ] && [ -n "$2" ] || die "$1缺少参数"; }
+prefix=/opt/bluebird
+additions=
+lan_url=
+listen=
+no_start=false
+while [ "$#" -gt 0 ];do
+ case "$1" in
+  --prefix) value "$@";prefix=$2;shift 2 ;;
+  --access-url) value "$@";case "$2" in *[[:space:]]*) die '访问地址不能含空白' ;;esac;additions="$additions $2";shift 2 ;;
+  --lan-url) value "$@";lan_url=$2;shift 2 ;;
+  --listen) value "$@";listen=$2;shift 2 ;;
+  --no-start) no_start=true;shift ;;
+  -h|--help) usage;exit 0 ;;
+  *) die "未知选项：$1" ;;
+ esac
+done
+[ "$(id -u)" = 0 ] || die '请使用sudo或root运行'
+[ "$(uname -s)" = Linux ] || die '仅支持Linux'
+prefix=$(realpath -m -- "$prefix")
+[ -x "$prefix/bluebird" ] && [ -f "$prefix/config.toml" ] || die '未找到已有安装，请使用install.sh'
+exec 9>"$prefix/.upgrade.lock"
+flock -n 9 || die '另一升级进程正在运行'
+package_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+[ -x "$package_dir/bluebird" ] && [ -r "$package_dir/ARCH" ] || die '请在新版发布包目录运行'
+case "$(cat "$package_dir/ARCH"):$(uname -m)" in amd64:x86_64|arm64:aarch64) ;;*) die '发布包架构与主机不匹配' ;;esac
+if [ "$no_start" = false ];then [ -d /run/systemd/system ] && command -v systemctl >/dev/null || die 'systemd未运行，先手动停服再使用--no-start';fi
+candidate=$(mktemp "$prefix/.upgrade-config-XXXXXX.toml")
+backup=
+changed=false
+was_active=false
+success=false
+cleanup(){
+ rm -f -- "$candidate" "$prefix/bluebird.new"
+ if [ "$success" = false ];then
+  if [ "$changed" = true ];then
+   if [ "$no_start" = false ];then systemctl stop bluebird.service || :;fi
+   install -o root -g bluebird -m 0750 "$backup/bluebird" "$prefix/bluebird.rollback"
+   mv -f -- "$prefix/bluebird.rollback" "$prefix/bluebird"
+   cp -p -- "$backup/config.toml" "$prefix/config.toml"
+   printf '%s\n' "已恢复旧程序和配置；备份保留在$backup" >&2
+  fi
+  if [ "$was_active" = true ] && [ "$no_start" = false ];then systemctl start bluebird.service || :;fi
+ fi
+}
+trap cleanup EXIT
+trap 'exit 130' INT
+trap 'exit 143' TERM HUP
+cp -p -- "$prefix/config.toml" "$candidate"
+set -- "$package_dir/bluebird" configure-access --config "$candidate"
+[ -z "$listen" ] || set -- "$@" --listen "$listen"
+[ -z "$lan_url" ] || set -- "$@" --lan-url "$lan_url"
+# URLs are separate argv values, never shell code. Globbing is disabled.
+set -f
+for item in $additions;do set -- "$@" --access-url "$item";done
+"$@"
+"$package_dir/bluebird" validate-config --config "$candidate"
+if [ "$no_start" = false ];then
+ if systemctl is-active --quiet bluebird.service;then was_active=true;fi
+ systemctl stop bluebird.service
+fi
+backup="$prefix/backups/upgrade-$(date -u +%Y%m%dT%H%M%SZ)-$$"
+install -d -o bluebird -g bluebird -m 0700 "$backup"
+cp -p -- "$prefix/config.toml" "$backup/config.toml"
+install -o root -g bluebird -m 0750 "$prefix/bluebird" "$backup/bluebird"
+runuser -u bluebird -- "$prefix/bluebird" backup --config "$prefix/config.toml" --output "$backup/data.tar.gz"
+# No configuration/data reinitialization; keep all existing administrator hashes.
+install -o root -g bluebird -m 0750 "$package_dir/bluebird" "$prefix/bluebird.new"
+changed=true
+mv -f -- "$prefix/bluebird.new" "$prefix/bluebird"
+mv -f -- "$candidate" "$prefix/config.toml"
+runuser -u bluebird -- "$prefix/bluebird" check --config "$prefix/config.toml"
+if [ "$no_start" = false ];then systemctl start bluebird.service;systemctl is-active --quiet bluebird.service;fi
+success=true
+printf '%s\n' "升级完成：$prefix" "旧版本、配置及一致性数据备份：$backup"
+if [ "$no_start" = true ];then printf '%s\n' '服务尚未启动，请执行：systemctl start bluebird.service';fi