新增 WireGuard 全互联、三 server embedded-etcd K3s、CloudNativePG 双实例、Barman OSS 备份、双 NGINX、Kubernetes Secret/RBAC 与本地旧文件按严格 24 小时清理。 新增维护窗口数据迁移、digest 固定滚动发布、应用回滚、跨节点文件 E2E、节点和数据库故障演练、CNPG 恢复与 etcd 快照验收脚本;洛杉矶仅作为带 NoSchedule 污点的仲裁节点。 所有生产 Secret 只在执行时从 0600 本地环境和旧生产容器导入,仓库不保存凭据;公网入口保持人工 DNS 故障切换边界。 验证:bash -n、ShellCheck、kubectl kustomize、Node 语法检查、Secret 扫描、OSS put/head/delete 实测。
50 lines
1.9 KiB
Bash
Executable File
50 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=scripts/cluster/common.sh
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source "$script_dir/common.sh"
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load_cluster_env
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hosts=("$CLUSTER_NINGBO_HOST" "$CLUSTER_HONGKONG_HOST" "$CLUSTER_LOS_ANGELES_HOST")
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for host in "${hosts[@]}"; do
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echo "[firewall] hardening K3s ports on $host"
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cluster_ssh "$host" 'bash -s' <<'REMOTE'
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set -euo pipefail
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[[ -d /sys/class/net/wg0 ]] || { echo 'wg0 is unavailable' >&2; exit 1; }
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public_interface=$(ip -o route get 1.1.1.1 | awk '{ for (i = 1; i <= NF; i++) if ($i == "dev") { print $(i + 1); exit } }')
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[[ $public_interface =~ ^[A-Za-z0-9._-]+$ && $public_interface != wg0 ]] || {
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echo 'cannot determine public interface' >&2
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exit 1
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}
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export DEBIAN_FRONTEND=noninteractive
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if ! command -v netfilter-persistent >/dev/null 2>&1; then
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apt-get update -qq
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apt-get install -y -qq iptables-persistent
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fi
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ensure_rule() {
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if ! iptables -C INPUT "$@" 2>/dev/null; then
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iptables -I INPUT 1 "$@"
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fi
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}
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ensure_rule -i wg0 -s 10.77.0.0/24 -p tcp -m multiport \
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--dports 2379,2380,6443,10250 -m comment --comment easyai-k3s-private -j ACCEPT
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ensure_rule -i wg0 -s 10.77.0.0/24 -p udp --dport 8472 \
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-m comment --comment easyai-flannel-private -j ACCEPT
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ensure_rule -i wg0 -s 10.77.0.0/24 -p tcp --dport 30000:32767 \
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-m comment --comment easyai-nodeport-private -j ACCEPT
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ensure_rule -i "$public_interface" -p udp --dport 51820 \
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-m comment --comment easyai-wireguard-public -j ACCEPT
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ensure_rule -i "$public_interface" -p tcp -m multiport \
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--dports 2379,2380,6443,10250 -m comment --comment easyai-k3s-public-drop -j DROP
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ensure_rule -i "$public_interface" -p udp --dport 8472 \
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-m comment --comment easyai-flannel-public-drop -j DROP
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ensure_rule -i "$public_interface" -p tcp --dport 30000:32767 \
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-m comment --comment easyai-nodeport-public-drop -j DROP
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netfilter-persistent save >/dev/null
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REMOTE
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done
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echo 'node_network_hardening=PASS nodes=3'
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