在 Istio 中创建 pod 时发生"x509: certificate signed by unknown authority"错误



K8S 版本:1.14.2

易斯蒂奥版本:1.12.4

操作系统:CentOS 7

按照本指南操作,但发生了错误。

https://istio.io/docs/examples/bookinfo/

$ kubectl describe rs details-v1-c5b5f496d
....
Events:
Type     Reason        Age                   From                   Message
----     ------        ----                  ----                   -------
Warning  FailedCreate  8m38s (x18 over 19m)  replicaset-controller  Error creating: Internal error occurred: failed calling webhook "sidecar-injector.istio.io": Post https://istio-sidecar-injector.istio-system.svc:443/inject?timeout=30s: x509: certificate signed by unknown authority
[root@centos-10-90-152-38 k8s]# kubectl get mutatingwebhookconfiguration istio-sidecar-injector -o yaml -o jsonpath='{.webhooks[0].clientConfig.caBundle}' | md5sum
7a67a48a97a2c079958225147a65d7cb  -
[root@centos-10-90-152-38 k8s]# kubectl -n istio-system get secret istio.istio-sidecar-injector-service-account -o jsonpath='{.data.root-cert.pem}' | md5sum
7a67a48a97a2c079958225147a65d7cb  -

从 istio.io:

"x509:由未知颁发机构签名的证书相关错误通常是由 Webhook 配置中的空 caBundle 引起的。">

以下链接中提供了故障排除提示:

istio.io:创建配置失败并显示 x509 证书错误

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