wangbo
e77bd17754
新宁波节点改用 UDP/443 监听，其他三台节点保留 UDP/51820，并在全量 WireGuard 引导中按节点配置 endpoint 端口。\n\n三轮六向实测均为零丢包，香港 RTT 从 73-77ms 降至 48-53ms；已通过 bash -n、ShellCheck 和差异检查。
116 lines
3.2 KiB
Bash
Executable File
116 lines
3.2 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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require_commands ssh scp
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hosts=("$CLUSTER_NINGBO_HOST" "$CLUSTER_HONGKONG_HOST" "$CLUSTER_LOS_ANGELES_HOST")
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public_endpoints=("${CLUSTER_NINGBO_HOST#*@}" "${CLUSTER_HONGKONG_HOST#*@}" "${CLUSTER_LOS_ANGELES_HOST#*@}")
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wireguard_ips=(10.77.0.1 10.77.0.2 10.77.0.3)
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wireguard_ports=(51820 51820 51820)
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if [[ -n $CLUSTER_NINGBO_WORKER_HOST ]]; then
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hosts+=("$CLUSTER_NINGBO_WORKER_HOST")
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public_endpoints+=("${CLUSTER_NINGBO_WORKER_HOST#*@}")
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wireguard_ips+=(10.77.0.4)
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wireguard_ports+=(443)
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fi
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public_keys=()
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for host in "${hosts[@]}"; do
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echo "[wireguard] preparing $host"
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public_key=$(cluster_ssh "$host" 'bash -s' <<'REMOTE' | tail -n 1
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set -euo pipefail
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export DEBIAN_FRONTEND=noninteractive
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if ! command -v wg >/dev/null 2>&1; then
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apt-get update -qq
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apt-get install -y -qq wireguard-tools
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fi
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install -d -m 0700 /etc/wireguard
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if [[ ! -s /etc/wireguard/privatekey ]]; then
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umask 077
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wg genkey >/etc/wireguard/privatekey
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fi
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chmod 0600 /etc/wireguard/privatekey
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wg pubkey </etc/wireguard/privatekey >/etc/wireguard/publickey
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cat /etc/wireguard/publickey
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REMOTE
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)
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[[ $public_key =~ ^[A-Za-z0-9+/]{43}=$ ]] || {
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echo "invalid WireGuard public key returned by $host" >&2
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exit 1
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}
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public_keys+=("$public_key")
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done
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for local_index in "${!hosts[@]}"; do
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peer_arguments=()
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for candidate in "${!hosts[@]}"; do
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if [[ $candidate -ne $local_index ]]; then
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peer_arguments+=(
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"${public_keys[$candidate]}"
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"${public_endpoints[$candidate]}"
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"${wireguard_ports[$candidate]}"
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"${wireguard_ips[$candidate]}"
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)
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fi
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done
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echo "[wireguard] configuring ${hosts[$local_index]} as ${wireguard_ips[$local_index]}"
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cluster_ssh "${hosts[$local_index]}" bash -s -- \
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"${wireguard_ips[$local_index]}" \
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"${wireguard_ports[$local_index]}" \
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"${peer_arguments[@]}" <<'REMOTE'
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set -euo pipefail
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local_ip=$1
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local_port=$2
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shift 2
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private_key=$(cat /etc/wireguard/privatekey)
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umask 077
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temporary_config=$(mktemp /etc/wireguard/wg0.conf.XXXXXX)
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cat >"$temporary_config" <<EOF
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[Interface]
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Address = ${local_ip}/24
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ListenPort = ${local_port}
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PrivateKey = ${private_key}
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EOF
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while (( $# >= 4 )); do
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cat >>"$temporary_config" <<EOF
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[Peer]
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PublicKey = $1
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Endpoint = $2:$3
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AllowedIPs = $4/32
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PersistentKeepalive = 25
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EOF
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shift 4
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done
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(( $# == 0 ))
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chmod 0600 "$temporary_config"
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mv "$temporary_config" /etc/wireguard/wg0.conf
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systemctl enable wg-quick@wg0 >/dev/null
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systemctl restart wg-quick@wg0
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REMOTE
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done
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for source_index in "${!hosts[@]}"; do
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for target_index in "${!hosts[@]}"; do
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[[ $source_index -eq $target_index ]] && continue
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cluster_ssh "${hosts[$source_index]}" \
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"ping -c 3 -W 2 ${wireguard_ips[$target_index]} >/dev/null"
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done
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done
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for host in "${hosts[@]}"; do
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latest_handshake=$(cluster_ssh "$host" \
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"wg show wg0 latest-handshakes | awk '\$2 > 0 { count++ } END { print count + 0 }'")
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[[ $latest_handshake == $((${#hosts[@]} - 1)) ]] || {
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echo "WireGuard handshake verification failed on $host" >&2
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exit 1
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}
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done
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echo "wireguard_bootstrap=PASS peers=${#hosts[@]} routing=direct"
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