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Nginx-ingress 工作進程不斷重啟

[英]Nginx-ingress worker processes constantly restarting

 原文  2021-02-10 10:03:07  3   1    nginx/ kubernetes/ kubernetes-ingress/ nginx-ingress

問題描述

我最近將我的入口 controller 升級到kubernetes-ingress v1.10.0 。 入口似乎正確路由流量，但在檢查 pod 日志后，我注意到生成了大量通知：

2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2748
2021/02/10 09:40:23 [notice] 19#19: worker process 2748 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2745
2021/02/10 09:40:23 [notice] 19#19: worker process 2745 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
W0210 09:40:23.416499       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
W0210 09:40:23.416812       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
W0210 09:40:23.416912       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2735
2021/02/10 09:40:23 [notice] 19#19: worker process 2735 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2737
2021/02/10 09:40:23 [notice] 19#19: worker process 2737 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2742 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2746
2021/02/10 09:40:23 [notice] 19#19: worker process 2746 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2744
2021/02/10 09:40:23 [notice] 19#19: worker process 2744 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2740
2021/02/10 09:40:23 [notice] 19#19: worker process 2740 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2736
2021/02/10 09:40:23 [notice] 19#19: worker process 2736 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2741
2021/02/10 09:40:23 [notice] 19#19: worker process 2734 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2741 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2739
2021/02/10 09:40:23 [notice] 19#19: worker process 2739 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2738
2021/02/10 09:40:23 [notice] 19#19: worker process 2738 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2743
2021/02/10 09:40:23 [notice] 19#19: worker process 2743 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2749
2021/02/10 09:40:23 [notice] 19#19: worker process 2749 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2747
2021/02/10 09:40:23 [notice] 19#19: worker process 2747 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [warn] 2718#2718: *6697105 an upstream response is buffered to a temporary file /var/cache/nginx/proxy_temp/6/79/0000214796 while reading upstream, client: xxxx, server: xxxx, request: "GET /xxxx HTTP/1.1", upstream: "xxxx", host: "xxxx", referrer: "xxxx"
2021/02/10 09:40:23 [notice] 2769#2769: signal process started
2021/02/10 09:40:23 [notice] 19#19: signal 1 (SIGHUP) received from 2769, reconfiguring
2021/02/10 09:40:23 [notice] 19#19: reconfiguring
2021/02/10 09:40:23 [notice] 19#19: using the "epoll" event method
2021/02/10 09:40:23 [notice] 19#19: start worker processes
2021/02/10 09:40:23 [notice] 19#19: start worker process 2770
2021/02/10 09:40:23 [notice] 19#19: start worker process 2771
2021/02/10 09:40:23 [notice] 19#19: start worker process 2772
2021/02/10 09:40:23 [notice] 19#19: start worker process 2773
2021/02/10 09:40:23 [notice] 19#19: start worker process 2774
2021/02/10 09:40:23 [notice] 19#19: start worker process 2775
2021/02/10 09:40:23 [notice] 19#19: start worker process 2776
2021/02/10 09:40:23 [notice] 19#19: start worker process 2777
2021/02/10 09:40:23 [notice] 19#19: start worker process 2778
2021/02/10 09:40:23 [notice] 19#19: start worker process 2779
2021/02/10 09:40:23 [notice] 19#19: start worker process 2780
2021/02/10 09:40:23 [notice] 19#19: start worker process 2781
2021/02/10 09:40:23 [notice] 19#19: start worker process 2782
2021/02/10 09:40:23 [notice] 19#19: start worker process 2783
2021/02/10 09:40:23 [notice] 19#19: start worker process 2784
2021/02/10 09:40:23 [notice] 19#19: start worker process 2785
90.114.22.230 - - [10/Feb/2021:09:40:23 +0000] "GET /xxxx HTTP/1.1" 200 352910 "xxxx" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:84.0) Gecko/20100101 Firefox/84.0" "-"
2021/02/10 09:40:23 [notice] 2753#2753: gracefully shutting down
2021/02/10 09:40:23 [notice] 2755#2755: gracefully shutting down
2021/02/10 09:40:23 [notice] 2760#2760: gracefully shutting down
2021/02/10 09:40:23 [notice] 2755#2755: exiting
2021/02/10 09:40:23 [notice] 2753#2753: exiting
2021/02/10 09:40:23 [notice] 2762#2762: gracefully shutting down
2021/02/10 09:40:23 [notice] 2760#2760: exiting
2021/02/10 09:40:23 [notice] 2766#2766: gracefully shutting down
2021/02/10 09:40:23 [notice] 2762#2762: exiting
2021/02/10 09:40:23 [notice] 2766#2766: exiting
2021/02/10 09:40:23 [notice] 2759#2759: gracefully shutting down
2021/02/10 09:40:23 [notice] 2759#2759: exiting
2021/02/10 09:40:23 [notice] 2763#2763: gracefully shutting down
2021/02/10 09:40:23 [notice] 2761#2761: gracefully shutting down
2021/02/10 09:40:23 [notice] 2767#2767: gracefully shutting down
2021/02/10 09:40:23 [notice] 2763#2763: exiting
2021/02/10 09:40:23 [notice] 2767#2767: exiting
2021/02/10 09:40:23 [notice] 2761#2761: exiting
2021/02/10 09:40:23 [notice] 2760#2760: exit
2021/02/10 09:40:23 [notice] 2753#2753: exit
2021/02/10 09:40:23 [notice] 2766#2766: exit
2021/02/10 09:40:23 [notice] 2764#2764: gracefully shutting down
2021/02/10 09:40:23 [notice] 2764#2764: exiting
2021/02/10 09:40:23 [notice] 2752#2752: gracefully shutting down
2021/02/10 09:40:23 [notice] 2752#2752: exiting
2021/02/10 09:40:23 [notice] 2763#2763: exit
2021/02/10 09:40:23 [notice] 2762#2762: exit
2021/02/10 09:40:23 [notice] 2764#2764: exit
2021/02/10 09:40:23 [notice] 2759#2759: exit
2021/02/10 09:40:23 [notice] 2755#2755: exit
2021/02/10 09:40:23 [notice] 2752#2752: exit
2021/02/10 09:40:23 [notice] 2767#2767: exit
2021/02/10 09:40:23 [notice] 2761#2761: exit
2021/02/10 09:40:23 [notice] 2758#2758: gracefully shutting down
2021/02/10 09:40:23 [notice] 2758#2758: exiting
2021/02/10 09:40:23 [notice] 2756#2756: gracefully shutting down
2021/02/10 09:40:23 [notice] 2756#2756: exiting
2021/02/10 09:40:23 [notice] 2758#2758: exit
2021/02/10 09:40:23 [notice] 2756#2756: exit
2021/02/10 09:40:23 [notice] 2765#2765: gracefully shutting down
2021/02/10 09:40:23 [notice] 2765#2765: exiting
2021/02/10 09:40:23 [notice] 2757#2757: gracefully shutting down
2021/02/10 09:40:23 [notice] 2757#2757: exiting
2021/02/10 09:40:23 [notice] 2754#2754: gracefully shutting down
2021/02/10 09:40:23 [notice] 2754#2754: exiting
2021/02/10 09:40:23 [notice] 2754#2754: exit
2021/02/10 09:40:23 [notice] 2765#2765: exit
2021/02/10 09:40:23 [notice] 2757#2757: exit
I0210 09:40:23.604803       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"82a71705-194e-4919-a7e2-a511d52c1a7a", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"77919848", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
I0210 09:40:23.604873       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"10246997-07ae-41e1-b811-0ec630647f3b", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"182677830", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
I0210 09:40:23.605520       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"d628825f-1b06-4719-b4b0-4d971b8c0a54", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"182677778", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
I0210 09:40:23.605557       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"4b7b1fa1-1d7d-41a5-9d97-5f5aee52ade7", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"182678922", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
I0210 09:40:23.605569       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"b86b8b8e-82b9-40d0-b02d-073db557c0e1", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"182678955", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
I0210 09:40:23.605577       1 event.go:282] Event(v1.ObjectReference{Kind:"Ingress", Namespace:"xxxx", Name:"xxxx", UID:"585ccdee-9807-442e-9b4f-7d1a97264216", APIVersion:"networking.k8s.io/v1beta1", ResourceVersion:"182677754", FieldPath:""}): type: 'Normal' reason: 'AddedOrUpdated' Configuration for xxxx/xxxx was added or updated 
W0210 09:40:23.614001       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
W0210 09:40:23.614213       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
W0210 09:40:23.614304       1 listers.go:79] can not retrieve list of objects using index : Index with name namespace does not exist
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2763
2021/02/10 09:40:23 [notice] 19#19: worker process 2755 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2763 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2767 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2766
2021/02/10 09:40:23 [notice] 19#19: worker process 2752 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2753 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2766 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2756
2021/02/10 09:40:23 [notice] 19#19: worker process 2756 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2758 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2759 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2760 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2761 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2762 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: worker process 2764 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2754
2021/02/10 09:40:23 [notice] 19#19: worker process 2754 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received
2021/02/10 09:40:23 [notice] 19#19: signal 17 (SIGCHLD) received from 2765
2021/02/10 09:40:23 [notice] 19#19: worker process 2765 exited with code 0
2021/02/10 09:40:23 [notice] 19#19: signal 29 (SIGIO) received

這似乎在所有 pod 上永遠且非常快速地循環。 我使用這些清單部署了我的 controller，並重新創建了發行說明中提到的默認服務器密碼。

controller arguments 是：

args:
  - -nginx-configmaps=$(POD_NAMESPACE)/nginx-config
  - -default-server-tls-secret=$(POD_NAMESPACE)/default-server-secret
  - -global-configuration=$(POD_NAMESPACE)/nginx-configuration
  - -report-ingress-status
  - -enable-prometheus-metrics
  - -enable-snippets

這是我的nginx-config CM 的內容：

data:
  client-max-body-size: 50m
  proxy-read-timeout: 5m
  server-tokens: "False"

知道那里發生了什么以及如何解決這個問題嗎？

編輯：

經過更多研究后，我發現我的兩個入口在不斷更新：

Name:             xxxx
Namespace:        xxxx
Address:          
Default backend:  default-http-backend:80 (<none>)
TLS:
  xxxx terminates xxxx
Rules:
  Host  Path  Backends
  ----  ----  --------
  *     *     default-http-backend:80 (<none>)
Annotations:
  ingress.kubernetes.io/ssl-redirect:                true
  kubectl.kubernetes.io/last-applied-configuration:  {"apiVersion":"extensions/v1beta1","kind":"Ingress","metadata":{"annotations":{"ingress.kubernetes.io/ssl-redirect":"true","kubernetes.io/ingress.class":"nginx","nginx.org/mergeable-ingress-type":"master"},"labels":{"app.kubernetes.io/component":"xxxx","app.kubernetes.io/instance":"xxxx","app.kubernetes.io/name":"xxxx","app.kubernetes.io/part-of":"xxxx","argocd.argoproj.io/instance":"xxxx"},"name":"xxxx","namespace":"xxxx"},"spec":{"rules":[{"host":"xxxx"}],"tls":[{"hosts":["xxxx"],"secretName":"xxxx"}]}}

  kubernetes.io/ingress.class:       nginx
  nginx.org/mergeable-ingress-type:  master
Events:
  Type    Reason          Age                       From                      Message
  ----    ------          ----                      ----                      -------
  Normal  AddedOrUpdated  3m5s (x2600127 over 6d)   nginx-ingress-controller  Configuration for xxxx/xxxx was added or updated
  Normal  AddedOrUpdated  2m12s (x2599793 over 6d)  nginx-ingress-controller  Configuration for xxxx/xxxx was added or updated
  Normal  AddedOrUpdated  66s (x2600182 over 6d)    nginx-ingress-controller  Configuration for xxxx/xxxx was added or updated

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    ingress.kubernetes.io/ssl-redirect: "true"
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"extensions/v1beta1","kind":"Ingress","metadata":{"annotations":{"ingress.kubernetes.io/ssl-redirect":"true","kubernetes.io/ingress.class":"nginx","nginx.org/mergeable-ingress-type":"master"},"labels":{"app.kubernetes.io/component":"xxxx","app.kubernetes.io/instance":"xxxx","app.kubernetes.io/name":"xxxx","app.kubernetes.io/part-of":"xxxx","argocd.argoproj.io/instance":"xxxx"},"name":"xxxx","namespace":"xxxx"},"spec":{"rules":[{"host":"xxxx"}],"tls":[{"hosts":["xxxx"],"secretName":"xxxx"}]}}
    kubernetes.io/ingress.class: nginx
    nginx.org/mergeable-ingress-type: master
  creationTimestamp: "2021-01-18T09:55:07Z"
  generation: 1
  labels:
    app.kubernetes.io/component: xxxx
    app.kubernetes.io/instance: xxxx
    app.kubernetes.io/name: xxxx
    app.kubernetes.io/part-of: xxxx
    argocd.argoproj.io/instance: xxxx
  name: xxxx
  namespace: xxxx
  resourceVersion: "182677754"
  selfLink: /apis/extensions/v1beta1/namespaces/xxxx/ingresses/xxxx
  uid: 585ccdee-9807-442e-9b4f-7d1a97264216
spec:
  rules:
  - host: xxxx
  tls:
  - hosts:
    - xxxx
    secretName: xxxx
status:
  loadBalancer:
    ingress:
    - {}

我的環境由 ArgoCD 管理，但在檢查日志后，它看起來不像是來自 ArgoCD 的更新。 我想知道更新是否與-report-ingress-status選項有關。

編輯二：我刪除了-report-ingress-status並沒有改變任何東西。

1 個解決方案

解決方案1
 0 已采納  2021-02-15 14:55:23

我不知道真正的根本原因，但我刪除了所有不斷更新並重新創建的 TLS 機密、證書和入口。 它解決了這個問題。

在此問題之前發生了不同的事件，並且可能與此有關：我的 3 個入口節點中有 2 個發生故障，在升級期間應用了錯誤的 CRD，然后才快速修復。

這就是我目前所能說的，但是刪除與不斷更新的入口相關的資源並重新創建它們確實可以解決問題。

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