node-exporter-28jxm一直失败
[root@master01 ~]# kubectl get pod -A
NAMESPACE NAME READY STATUS RESTARTS AGE
monitoring node-exporter-28jxm 1/2 CrashLoopBackOff 1 5s
[root@master01 ~]# kubectl describe pod -n monitoring node-exporter-28
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 2m1s default-scheduler Successfully assigned monitoring/node-exporter-28jxm to node01
Normal Pulled 2m kubelet Container image "quay.io/brancz/kube-rbac-proxy:v0.8.0" already present on machine
Normal Created 2m kubelet Created container kube-rbac-proxy
Normal Started 119s kubelet Started container kube-rbac-proxy
Normal Started 77s (x4 over 2m) kubelet Started container node-exporter
Warning BackOff 41s (x8 over 117s) kubelet Back-off restarting failed container
Normal Pulled 27s (x5 over 2m1s) kubelet Container image "quay.io/prometheus/node-exporter:v1.0.1" already present on machine
Normal Created 26s (x5 over 2m1s) kubelet Created container node-exporter
[root@master01 ~]# kubectl logs -f -n monitoring node-exporter-28jxm -c node-exporter ### 提示端口被占用了
level=info ts=2021-07-04T06:57:22.622Z caller=node_exporter.go:191 msg="Listening on" address=127.0.0.1:9100
level=info ts=2021-07-04T06:57:22.622Z caller=tls_config.go:170 msg="TLS is disabled and it cannot be enabled on the fly." http2=false
level=error ts=2021-07-04T06:57:22.622Z caller=node_exporter.go:194 err="listen tcp 127.0.0.1:9100: bind: address already in use"
[root@master01 ~]# kubectl get pod -n monitoring -owide ###查看该pod的所在节点
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
node-exporter-28jxm 1/2 CrashLoopBackOff 5 4m11s 192.168.0.121 node01 <none> <none>
2.node01节点排查端口
[root@node01 bin]# ps -ef|grep 9100
gitlab-+ 28810 9783 0 14:54 ? 00:00:02 /opt/gitlab/embedded/bin/node_exporter --web.listen-address=localhost:9100 --collector.mountstats --collector.runit --collector.runit.servicedir=/opt/gitlab/sv --collector.textfile.directory=/var/opt/gitlab/node-exporter/textfile_collector
65532 29024 28975 0 14:54 ? 00:00:00 /usr/local/bin/kube-rbac-proxy --logtostderr --secure-listen-address=[192.168.0.121]:9100 --tls-cipher-suites=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 --upstream=http://127.0.0.1:9100/
root 32092 9266 0 14:59 pts/0 00:00:00 grep --color=auto 9100
-rwxr-xr-x 1 root root 3692 May 29 2020 gitlab-backup
-rwxr-xr-x 1 root root 1418 May 29 2020 gitlab-ctl
-rwxr-xr-x 1 root root 250 May 29 2020 gitlab-healthcheck
-rwxr-xr-x 1 root root 702 May 29 2020 gitlab-psql
-rwxr-xr-x 1 root root 1301 May 29 2020 gitlab-rails
-rwxr-xr-x 1 root root 1300 May 29 2020 gitlab-rake
-rwxr-xr-x 1 root root 711 May 29 2020 gitlab-redis-cli
[root@node01 bin]# /opt/gitlab/bin && gitlab-ctl stop
[root@node01 bin]# systemctl disable gitlab-runsvdir.service
#### 问题是我之前在node01装了gitlab占用了端口，关闭服务取消开机自启就行
