release: nexus btpanel session fix and app-v2
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@@ -0,0 +1,196 @@
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#!/usr/bin/env bash
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# Nexus — MySQL dump(Docker 1Panel / 宿主机 mysqldump 通用)
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#
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# bash deploy/mysql_dump_to_file.sh --output /path/dump.sql [--root /opt/nexus]
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# bash deploy/mysql_dump_to_file.sh --output /path/dump.sql --db-url 'mysql+aiomysql://...'
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#
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# 策略(按序):
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# 1. DB host 为运行中容器名 → docker exec 该容器内 mysqldump(连 127.0.0.1)
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# 2. 宿主机有 mysqldump 且 host 可解析 → 本机 mysqldump
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# 3. 1panel-network 存在 → docker run --rm mysql:8 客户端
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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NEXUS_ROOT="${NEXUS_ROOT:-/opt/nexus}"
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OUTPUT=""
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DB_URL=""
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usage() {
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cat <<'EOF'
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用法: mysql_dump_to_file.sh --output FILE.sql [--root /opt/nexus] [--db-url URL]
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EOF
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--output|-o) OUTPUT="$2"; shift 2 ;;
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--root) NEXUS_ROOT="$2"; shift 2 ;;
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--db-url) DB_URL="$2"; shift 2 ;;
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-h|--help) usage; exit 0 ;;
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*) echo "未知参数: $1" >&2; usage; exit 1 ;;
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esac
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done
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if [[ -z "$OUTPUT" ]]; then
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echo "缺少 --output" >&2
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usage
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exit 1
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fi
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resolve_db_url() {
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if [[ -n "$DB_URL" ]]; then
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echo "$DB_URL"
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return 0
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fi
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local cname url
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cname="$(docker ps --format '{{.Names}}' 2>/dev/null | grep -E 'nexus-prod-nexus|nexus-nexus-1' | head -1 || true)"
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if [[ -n "$cname" ]]; then
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url="$(docker exec "$cname" grep -E '^NEXUS_DATABASE_URL=' /app/.env 2>/dev/null | head -1 | cut -d= -f2- | tr -d '"' | tr -d "'" || true)"
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[[ -n "$url" ]] && echo "$url" && return 0
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fi
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for f in \
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"${NEXUS_ROOT}/docker/.env.prod" \
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"${NEXUS_ROOT}/.env" \
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; do
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[[ -f "$f" ]] || continue
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url="$(grep -E '^NEXUS_DATABASE_URL=' "$f" 2>/dev/null | head -1 | cut -d= -f2- | tr -d '"' | tr -d "'" || true)"
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[[ -n "$url" ]] && echo "$url" && return 0
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done
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return 1
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}
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DB_URL="$(resolve_db_url || true)"
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if [[ -z "$DB_URL" ]]; then
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echo "未找到 NEXUS_DATABASE_URL" >&2
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exit 1
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fi
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python3 - "$DB_URL" "$OUTPUT" <<'PY'
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import shutil
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import subprocess
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import sys
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import urllib.parse
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def docker_names() -> set[str]:
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r = subprocess.run(
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["docker", "ps", "--format", "{{.Names}}"],
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capture_output=True,
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text=True,
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check=False,
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)
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return {ln.strip() for ln in (r.stdout or "").splitlines() if ln.strip()}
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def network_exists(name: str) -> bool:
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return (
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subprocess.run(
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["docker", "network", "inspect", name],
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capture_output=True,
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check=False,
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).returncode
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== 0
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)
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def write_dump(cmd: list[str], env: dict[str, str], out: str) -> int:
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r = subprocess.run(cmd, env=env, capture_output=True, text=True)
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if r.returncode != 0:
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sys.stderr.write(r.stderr or r.stdout or "mysqldump failed\n")
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return r.returncode
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with open(out, "w", encoding="utf-8") as fh:
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fh.write(r.stdout)
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return 0
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def dump_flags(db: str) -> list[str]:
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return [
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"--single-transaction",
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"--routines",
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"--triggers",
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"--set-gtid-purged=OFF",
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db,
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]
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url = sys.argv[1].replace("mysql+aiomysql://", "mysql://", 1)
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url = url.replace("mysql+asyncmy://", "mysql://", 1)
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out = sys.argv[2]
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p = urllib.parse.urlparse(url)
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user = urllib.parse.unquote(p.username or "")
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password = urllib.parse.unquote(p.password or "")
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host = p.hostname or "127.0.0.1"
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if host == "host.docker.internal":
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host = "127.0.0.1"
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port = str(p.port or 3306)
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db = (p.path or "/nexus").lstrip("/").split("?")[0]
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env = {**__import__("os").environ, "MYSQL_PWD": password}
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names = docker_names()
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# 1) MySQL 跑在 Docker 容器内(1Panel 常见:URL host = 容器名)
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if host in names:
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cmd = [
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"docker",
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"exec",
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"-e",
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f"MYSQL_PWD={password}",
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host,
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"mysqldump",
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"-h",
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"127.0.0.1",
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"-P",
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port,
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"-u",
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user,
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*dump_flags(db),
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]
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rc = write_dump(cmd, env, out)
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if rc == 0:
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sys.exit(0)
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sys.stderr.write(f"docker exec {host} mysqldump 失败,尝试其它方式…\n")
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# 2) 宿主机 mysqldump
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if shutil.which("mysqldump"):
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cmd = [
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"mysqldump",
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"-h",
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host,
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"-P",
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port,
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"-u",
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user,
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*dump_flags(db),
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]
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rc = write_dump(cmd, env, out)
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if rc == 0:
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sys.exit(0)
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# 3) 临时 mysql 客户端容器(1panel-network)
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for net in ("1panel-network", "bridge"):
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if not network_exists(net):
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continue
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cmd = [
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"docker",
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"run",
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"--rm",
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"--network",
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net,
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"-e",
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f"MYSQL_PWD={password}",
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"mysql:8.0",
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"mysqldump",
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"-h",
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host,
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"-P",
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port,
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"-u",
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user,
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*dump_flags(db),
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]
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rc = write_dump(cmd, env, out)
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if rc == 0:
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sys.exit(0)
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sys.stderr.write("所有 mysqldump 策略均失败(无宿主机客户端且 Docker 回退不可用)\n")
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sys.exit(1)
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PY
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