[英]Kubernetes worker node connection refused while joining cluser to master node
I'm working on k8s setup with 1 master node and 1 worker node. 我正在使用1个主节点和1个工作节点进行k8s设置。 I'm done with master setup and now I'm trying to joining node to cluster:
我完成了主设置,现在尝试将节点加入集群:
sudo kubeadm join master_ip:6443 --token [token] --discovery-token-ca-cert-hash sha256:[key]
But got this error: 但是出现了这个错误:
[discovery] Trying to connect to API Server "master_ip:6443"
[discovery] Created cluster-info discovery client, requesting info from "https://master_ip:6443"
[discovery] Failed to request cluster info, will try again: [Get https://master_ip:6443/api/v1/namespaces/kube-public/configmaps/cluster-info: dial tcp master_ip:6443: i/o timeout]
I use two EC2 instances with CentOS 7 (1 for master and 1 for worker). 我将两个EC2实例与CentOS 7一起使用(1个用于master,1个用于worker)。 I'm able to
telnet master_ip 6443
within the master, but failed within the worker. 我可以在master内
telnet master_ip 6443
,但在worker内失败。
What's going wrong here? 这是怎么了
我通过为端口设置AWS安全组来解决此问题。
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