Hi all,
this problem is also caused by conatainer 's /etc/resolv.conf error.
fix solution as below:
1. 修改VM机器上的resolv.conf文件,增加namesever = K8S_DNS_IP
[root@CNT7XDCK11D01 ~]# cat /etc/resolv.conf
; generated by /usr/sbin/dhclient-script
search default.svc.cluster.local svc.cluster.local cluster.local
nameserver 192.168.3.1
nameserver 10.3.0.2
[root@CNT7XDCK11D01 ~]#
2. 修改VM机器上的网卡ifcfg-eno01文件
增加DNS2=K8S_DNS_IP
[root@CNT7XDCK11D02 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eno01
DEVICE="eno01"
NAME="eno01"
BOOTPROTO="static"
BROADCAST="192.168.3.225"
DNS1="192.168.3.1"
DNS2="10.3.0.2"
GATEWAY="192.168.3.1"
HWADDR="xx:xx:xx:xx:xx:xx"
IPADDR="192.168.3.97"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
NETMASK="255.255.255.0"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
UUID="xxxxxxxx-xxxx-xxxxx-xxxxx-xxxxxxxxxxxxxxxxxx"
3. the success result as below:
first delete old jenkins resouce from k8s.
root >> kubectl delete service/jenkins-master deployment.apps/jenkins-master -n kube-ops
then re-create the new jenkins resource in k8s,
root >> kubectl apply -f /opt/dockerfile/jenkins/01



Hi colleague,
As I manual add plugin file 'cloudbees-folder.hpi' in jenkins install path, there alse can't install jenkins plugin correct as below:
upload cloudbees-folder.hpi in jenkins path
retry install jenkins plugin, also happen error