calico报错: Calico node 'node1' is already using the IPv4 address

梦里梦外; 2023-07-17 04:41 96阅读 0赞

使用k8s的过程中,发现一台曾经安装过harbor(后来清理掉了)的服务器的calico组件一直报错:

  1. 2020-03-19 07:11:07.934 [INFO][11] startup.go 572: Using autodetected IPv4 address on interface br-11af8abf2c68: 172.19.0.1/16
  2. 2020-03-19 07:11:07.934 [INFO][11] startup.go 440: Node IPv4 changed, will check for conflicts
  3. 2020-03-19 07:11:07.942 [WARNING][11] startup.go 851: Calico node 'node1' is already using the IPv4 address 172.19.0.1.
  4. 2020-03-19 07:11:07.942 [INFO][11] startup.go 198: Clearing out-of-date IPv4 address from this node IP="172.19.0.1/16"
  5. 2020-03-19 07:11:07.953 [WARNING][11] startup.go 1004: Terminating

其中br-11af8abf2c68是一个网桥,可是安装过程中,并未配置网桥。于是仔细检查,发现这是由harbor安装的,造成了calico网络的混乱,于是执行如下操作:

  1. root@node1:~# docker network ls
  2. NETWORK ID NAME DRIVER SCOPE
  3. 4b4c7575bfe9 bridge bridge local
  4. bfe39862a83f harbor-arm64-193_harbor bridge local
  5. 17676ffcbc56 harbor-arm64-193_harbor-chartmuseum bridge local
  6. 1ce62bb8f687 host host local
  7. 3d97578ea0f5 make_harbor bridge local
  8. 62111cce557a make_harbor-chartmuseum bridge local
  9. 8877ee09ebf1 none null local

发现果然有harbor遗存,执行如下操作进行删除

  1. root@node1:~# docker network remove bfe39862a83f
  2. bfe39862a83f
  3. root@node1:~# docker network remove 17676ffcbc56
  4. 17676ffcbc56
  5. root@node1:~# docker network remove 3d97578ea0f5
  6. 3d97578ea0f5
  7. root@node1:~# docker network remove 62111cce557a
  8. 62111cce557a

再执行docker network ls已经看不到harbor的网桥了

重启calico对应的pod,故障消除

另外,还有个删除网桥的脚本,仅供参考

  1. #!/bin/bash
  2. for i in `ifconfig|grep br-|awk {'print $1'}`
  3. do
  4. `ifconfig $i down`
  5. `brctl delbr $i`
  6. echo $i
  7. done

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