lingyuzeng
6bf070ab66
目的就是对齐中间件名称，避免 Traefik 在装配 router 时引用了一个不存在的中间件，导致该条 router 报告 warning / 被降级，进而被其它“更泛”的路由（比如系统自带面板 8000/5666）抢走域名流量。
94 lines
3.6 KiB
Bash
Executable File
94 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
|
||
set -eu
|
||
|
||
: "${SERVICE_NAME:?need SERVICE_NAME}"
|
||
: "${SERVICE_ADDR:?need SERVICE_ADDR}"
|
||
: "${SERVICE_PORT:?need SERVICE_PORT}"
|
||
: "${ROUTE_HOST:?need ROUTE_HOST}"
|
||
|
||
CONSUL="${CONSUL_HTTP_ADDR:?need CONSUL_HTTP_ADDR}"
|
||
SERVICE_PROTOCOL="${SERVICE_PROTOCOL:-http}" # http | tcp
|
||
CHECK_TYPE="${CHECK_TYPE:-tcp}" # http | tcp
|
||
CHECK_PATH="${CHECK_PATH:-/}"
|
||
CHECK_INTERVAL="${CHECK_INTERVAL:-10s}"
|
||
CHECK_TIMEOUT="${CHECK_TIMEOUT:-2s}"
|
||
DEREG_AFTER="${DEREG_AFTER:-1m}"
|
||
TRAEFIK_HTTP_ENTRYPOINT="${TRAEFIK_HTTP_ENTRYPOINT:-websecure}"
|
||
TRAEFIK_TCP_ENTRYPOINT="${TRAEFIK_TCP_ENTRYPOINT:-tcp}"
|
||
# TRAEFIK_CERT_RESOLVER="${TRAEFIK_CERT_RESOLVER:-cf}"
|
||
|
||
echo "[registrar] consul: $CONSUL, service: $SERVICE_NAME@$SERVICE_ADDR:$SERVICE_PORT"
|
||
|
||
# 等云端 Consul Server 可用
|
||
for i in $(seq 1 90); do
|
||
if wget -qO- "$CONSUL/v1/status/leader" >/dev/null 2>&1; then
|
||
break
|
||
fi
|
||
sleep 1
|
||
done
|
||
|
||
ID="${SERVICE_NAME}-${SERVICE_ADDR}-${SERVICE_PORT}"
|
||
|
||
# 组装 Traefik tags（按“行”累加，避免值中逗号被拆）
|
||
NL='
|
||
'
|
||
TAGS="traefik.enable=true"
|
||
|
||
if [ "$SERVICE_PROTOCOL" = "http" ]; then
|
||
TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.rule=Host(\`${ROUTE_HOST}\`)"
|
||
TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.entrypoints=${TRAEFIK_HTTP_ENTRYPOINT}"
|
||
TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.tls=true"
|
||
TAGS="$TAGS${NL}traefik.http.services.${SERVICE_NAME}.loadbalancer.server.scheme=http"
|
||
TAGS="$TAGS${NL}traefik.http.services.${SERVICE_NAME}.loadbalancer.server.port=${SERVICE_PORT}"
|
||
# 抢占路由：给当前 Host 的 router 设置更高优先级
|
||
TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.priority=10000"
|
||
# 可选中间件（注意：值里有逗号也安全）
|
||
TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.middlewares=gzip-all@file,sec-headers@file"
|
||
# 如需 ACME 证书解析器可再加一行（取消注释）
|
||
# TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.tls.certresolver=${TRAEFIK_CERT_RESOLVER}"
|
||
elif [ "$SERVICE_PROTOCOL" = "tcp" ]; then
|
||
TAGS="$TAGS${NL}traefik.tcp.routers.${SERVICE_NAME}.rule=HostSNI(\`${ROUTE_HOST}\`)"
|
||
TAGS="$TAGS${NL}traefik.tcp.routers.${SERVICE_NAME}.entrypoints=${TRAEFIK_TCP_ENTRYPOINT}"
|
||
TAGS="$TAGS${NL}traefik.tcp.services.${SERVICE_NAME}.loadbalancer.server.port=${SERVICE_PORT}"
|
||
else
|
||
echo "unsupported SERVICE_PROTOCOL=$SERVICE_PROTOCOL" >&2; exit 2
|
||
fi
|
||
|
||
# 转 JSON 数组（按“行”解析）
|
||
to_json_array() {
|
||
# 逐行 -> trim -> "..." -> [ ... ]
|
||
awk 'BEGIN{RS="\n"} NF {gsub(/^[ \t]+|[ \t]+$/,""); printf "\"%s\",\n",$0}' |
|
||
sed '1s/^/[/' | sed '$s/,\s*$/]/'
|
||
}
|
||
TAGS_JSON="$(printf "%s" "$TAGS" | to_json_array)"
|
||
|
||
# 健康检查 JSON
|
||
if [ "$CHECK_TYPE" = "http" ]; then
|
||
CHECK_JSON=$(cat <<EOF
|
||
{"Name":"http","HTTP":"http://${SERVICE_ADDR}:${SERVICE_PORT}${CHECK_PATH}","Interval":"${CHECK_INTERVAL}","Timeout":"${CHECK_TIMEOUT}","DeregisterCriticalServiceAfter":"${DEREG_AFTER}"}
|
||
EOF
|
||
)
|
||
else
|
||
CHECK_JSON=$(cat <<EOF
|
||
{"Name":"tcp","TCP":"${SERVICE_ADDR}:${SERVICE_PORT}","Interval":"${CHECK_INTERVAL}","Timeout":"${CHECK_TIMEOUT}","DeregisterCriticalServiceAfter":"${DEREG_AFTER}"}
|
||
EOF
|
||
)
|
||
fi
|
||
|
||
# 写 service 定义并注册到云端 Consul
|
||
cat > /tmp/svc.json <<EOF
|
||
{"service":{"id":"${ID}","name":"${SERVICE_NAME}","address":"${SERVICE_ADDR}","port":${SERVICE_PORT},"tags":${TAGS_JSON},"checks":[${CHECK_JSON}]}}
|
||
EOF
|
||
|
||
echo "[registrar] register ${ID} -> ${CONSUL}"
|
||
consul services register -http-addr="$CONSUL" /tmp/svc.json
|
||
|
||
term() {
|
||
echo "[registrar] deregister ${ID}"
|
||
consul services deregister -http-addr="$CONSUL" /tmp/svc.json || true
|
||
exit 0
|
||
}
|
||
trap term TERM INT
|
||
|
||
tail -f /dev/null
|