Docker Swarm新节点Traefik启动失败排查求助

问题现象 #

• 新增Linux节点加入Docker Swarm集群后，部署Traefik全局服务到该节点时启动失败，日志仅显示启动file.provider后就停止，健康检查失败
• 暂停新节点后，原有节点上的Traefik也出现同样故障

故障日志 #

time="2022-07-21T17:34:23Z" level=info msg="Starting provider aggregator aggregator.ProviderAggregator"
time="2022-07-21T17:34:23Z" level=info msg="Starting provider *file.Provider"

Traefik配置文件 #

providers:
  file:
    directory: /etc/traefik/config.d
    watch: false

  docker:
    endpoint: "unix:///var/run/docker.sock"
    swarmMode: true
    exposedByDefault: false
    network: "traefik"
    swarmModeRefreshSeconds: 10

  consul:
    rootKey: "traefik"
    endpoints:
      - "consulagent:8500"

Traefik的Docker Compose文件 #

---
version: '3.7'
services:
  traefik:
    deploy:
      labels:
        com.docker.compose.version: "%1$s"
        com.docker.compose.commit: "%2$s"
        com.docker.compose.build_date: "%3$s"
        com.docker.compose.vcs_url: "%4$s"

      restart_policy:
        condition: any

      mode: global
      placement:
        constraints:
          - node.role == manager
    
    image: %5$s

    environment:
      CONSUL_HTTP_TOKEN: '#{CONSUL_HTTP_TOKEN}'

    ports:
      - target: 8080
        published: 8080
        protocol: tcp
        mode: host
      - target: 80
        published: 80
        protocol: tcp
        mode: host
      - target: 443
        published: 443
        protocol: tcp
        mode: host
      - target: 9300
        published: 9300
        protocol: tcp
        mode: host
      - target: 9200
        published: 9200
        protocol: tcp
        mode: host

    healthcheck:
      test: ["CMD", "curl", "-fks", "-o", "/dev/null", "http://localhost:8080/ping"]
      interval: 10s
      timeout: 5s
      retries: 4

    networks:
      connect:

    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /mnt/data/traefik_log:/var/log/traefik
      - /mnt/gv0/certificate-robot/letsencrypt:/etc/letsencrypt:ro

networks:
  connect:
    external: true

疑问 #

是否有人遇到过相同问题？问题原因是什么？

内容的提问来源于stack exchange，提问作者DavidB.