Kubernetes創建pod一直處於ContainerCreating排查和解決
百度了一下，根據網上的方法，查了一下mysql-jn6f2這個pods的詳情
其中最主要的問題是：details: (open /etc/docker/certs.d/registry.access.redhat.com/redhat-ca.crt: no such file or directory)
解決方案：
查看/etc/docker/certs.d/registry.access.redhat.com/redhat-ca.crt （該鏈接就是上圖中的說明） 是一個軟鏈接，但是鏈接過去後並沒有真實的/etc/rhsm，所以需要使用yum安裝：
yum install *rhsm*
安裝完成後，執行一下docker pull registry.access.redhat.com/rhel7/pod-infrastructure:latest
如果依然報錯，可參考下面的方案：
wget http://mirror.centos.org/centos/7/os/x86_64/Packages/python-rhsm-certificates-1.19.10-1.el7_4.x86_64.rpm
rpm2cpio python-rhsm-certificates-1.19.10-1.el7_4.x86_64.rpm | cpio -iv --to-stdout ./etc/rhsm/ca/redhat-uep.pem | tee /etc/rhsm/ca/redhat-uep.pem
這兩個命令會生成/etc/rhsm/ca/redhat-uep.pem文件.
順得的話會得到下面的結果。
[root@localhost]# docker pull registry.access.redhat.com/rhel7/pod-infrastructure:latest
Trying to pull repository registry.access.redhat.com/rhel7/pod-infrastructure ...
latest: Pulling from registry.access.redhat.com/rhel7/pod-infrastructure
26e5ed6899db: Pull complete
66dbe984a319: Pull complete
9138e7863e08: Pull complete
Digest: sha256:92d43c37297da3ab187fc2b9e9ebfb243c1110d446c783ae1b989088495db931
Status: Downloaded newer image for registry.access.redhat.com/rhel7/pod-infrastructure:latest
刪除原來創建的rc
[root@localhost /]# kubectl delete -f mysql-rc.yaml
重新創建
[root@localhost /]# kubectl create -f mysql-rc.yaml
replicationcontroller "mysql" created
再次查看狀態
[root@localhost /]# kubectl get pod
NAME READY STATUS RESTARTS AGE
mysql-b8m2q 1/1 Running 0 27m
一切正常。
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Kubernetes創建pod一直處於ContainerCreating排查和解決