82 lines
3.1 KiB
Bash
Executable File
82 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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: "${SERVICE_NAME:?need SERVICE_NAME}"
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: "${SERVICE_ADDR:?need SERVICE_ADDR}"
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: "${SERVICE_PORT:?need SERVICE_PORT}"
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: "${ROUTE_HOST:?need ROUTE_HOST}"
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CONSUL="${CONSUL_HTTP_ADDR:?need CONSUL_HTTP_ADDR}"
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SERVICE_PROTOCOL="${SERVICE_PROTOCOL:-http}" # http | tcp
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CHECK_TYPE="${CHECK_TYPE:-tcp}" # http | tcp
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CHECK_PATH="${CHECK_PATH:-/}"
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CHECK_INTERVAL="${CHECK_INTERVAL:-10s}"
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CHECK_TIMEOUT="${CHECK_TIMEOUT:-2s}"
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DEREG_AFTER="${DEREG_AFTER:-1m}"
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TRAEFIK_HTTP_ENTRYPOINT="${TRAEFIK_HTTP_ENTRYPOINT:-websecure}"
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TRAEFIK_TCP_ENTRYPOINT="${TRAEFIK_TCP_ENTRYPOINT:-tcp}"
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# TRAEFIK_CERT_RESOLVER="${TRAEFIK_CERT_RESOLVER:-cf}"
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echo "[registrar] consul: $CONSUL, service: $SERVICE_NAME@$SERVICE_ADDR:$SERVICE_PORT"
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# 等云端 Consul Server 可用
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for i in $(seq 1 90); do
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if wget -qO- "$CONSUL/v1/status/leader" >/dev/null 2>&1; then
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break
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fi
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sleep 1
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done
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ID="${SERVICE_NAME}-${SERVICE_ADDR}-${SERVICE_PORT}"
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# 组装 Traefik tags（ConsulCatalog）
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TAGS="traefik.enable=true"
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if [ "$SERVICE_PROTOCOL" = "http" ]; then
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TAGS="$TAGS,traefik.http.routers.${SERVICE_NAME}.rule=Host(\`${ROUTE_HOST}\`)"
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TAGS="$TAGS,traefik.http.routers.${SERVICE_NAME}.entrypoints=${TRAEFIK_HTTP_ENTRYPOINT}"
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TAGS="$TAGS,traefik.http.routers.${SERVICE_NAME}.tls=true"
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TAGS="$TAGS,traefik.http.services.${SERVICE_NAME}.loadbalancer.server.scheme=http"
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TAGS="$TAGS,traefik.http.services.${SERVICE_NAME}.loadbalancer.server.port=${SERVICE_PORT}"
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# 可选：应用云端 dynamic.yml 的中间件
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TAGS="$TAGS,traefik.http.routers.${SERVICE_NAME}.middlewares=gzip-all@file,security-headers@file"
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elif [ "$SERVICE_PROTOCOL" = "tcp" ]; then
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TAGS="$TAGS,traefik.tcp.routers.${SERVICE_NAME}.rule=HostSNI(\`${ROUTE_HOST}\`)"
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TAGS="$TAGS,traefik.tcp.routers.${SERVICE_NAME}.entrypoints=${TRAEFIK_TCP_ENTRYPOINT}"
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TAGS="$TAGS,traefik.tcp.services.${SERVICE_NAME}.loadbalancer.server.port=${SERVICE_PORT}"
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else
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echo "unsupported SERVICE_PROTOCOL=$SERVICE_PROTOCOL" >&2; exit 2
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fi
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# 转 JSON 数组（按逗号拆分）
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to_json_array() { echo "$1" | awk -v RS=, 'NF{print "\""$0"\""}' | paste -sd, - | sed 's/^/[/' | sed 's/$/]/'; }
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TAGS_JSON="$(to_json_array "$TAGS")"
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# 健康检查 JSON
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if [ "$CHECK_TYPE" = "http" ]; then
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CHECK_JSON=$(cat <<EOF
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{"Name":"http","HTTP":"http://${SERVICE_ADDR}:${SERVICE_PORT}${CHECK_PATH}","Interval":"${CHECK_INTERVAL}","Timeout":"${CHECK_TIMEOUT}","DeregisterCriticalServiceAfter":"${DEREG_AFTER}"}
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EOF
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)
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else
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CHECK_JSON=$(cat <<EOF
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{"Name":"tcp","TCP":"${SERVICE_ADDR}:${SERVICE_PORT}","Interval":"${CHECK_INTERVAL}","Timeout":"${CHECK_TIMEOUT}","DeregisterCriticalServiceAfter":"${DEREG_AFTER}"}
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EOF
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)
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fi
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# 写 service 定义并注册到"云端" Consul Server
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cat > /tmp/svc.json <<EOF
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{"service":{"id":"${ID}","name":"${SERVICE_NAME}","address":"${SERVICE_ADDR}","port":${SERVICE_PORT},"tags":${TAGS_JSON},"checks":[${CHECK_JSON}]}}
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EOF
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echo "[registrar] register ${ID} -\u003e ${CONSUL}"
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consul services register -http-addr="$CONSUL" /tmp/svc.json
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term() {
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echo "[registrar] deregister ${ID}"
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consul services deregister -http-addr="$CONSUL" /tmp/svc.json || true
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exit 0
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}
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trap term TERM INT
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tail -f /dev/null |