Hi Vivek,

we are using KCS in our Private Cloud infrastructure (Advanced Zone with Security Groups). After some bug fixes which came with ACS 4.17.0 regarding Security Group assignment to the KCS nodes, all KCS can be deployed with the latest Cloudstack release.

We have a test environment also with Advanced Zone without Security Groups. While deploying KCS, an SSLHandshakeException never occurred. I guess there is something odd with the Cloudstack Management and Cloudstack Agent connection. A similar issue occurred while I removed cloudstack-agent from one of our hosts and perform a reinstall. It turned out that the installation content in /etc/cloudstack (in RHEL 8) must be deleted before reinstalling clodustack-agent. After that, adding the host to the management server was successful.

Furthermore, we are facing the same issue that the ssh connection to our KCS nodes is not working. This Github issue seems to address the problem: https://github.com/apache/cloudstack/issues/6929#issue-1469353248

Mevludin

Am 09.12.2022 um 19:31 schrieb Vivek Kumar:
Hello Mates,

I just want to know if someone using ACS kubernetes services for the production 
workload. I have been trying to configure the Kubernetes cluster in 4.17.0 and 
facing issues even while setting up the cluster,  First of all it’s giving me 
certificate error -


m.cloud.agent.api.AgentControlAnswer":{"result":"true","wait":"0","bypassHostMaintenance":"false"}}]
 }
2022-12-09 23:35:29,190 DEBUG [c.c.a.ApiServlet] (qtp681094281-15:ctx-34c8afaa ctx-08cfeb5e) 
(logid:9cf400e5) ===END===  172.31.61.55 -- GET  
name=admin&domainid=4ed7884c-0e65-11ed-8fe8-005056960d46&showicon=true&command=listAccounts&response=json
2022-12-09 23:35:30,247 WARN  [c.c.k.c.u.KubernetesClusterUtil] 
(API-Job-Executor-24:ctx-68274694 job-269646 ctx-4bab8a7a) (logid:01e8c932) API 
endpoint for Kubernetes cluster : test not available
javax.net.ssl.SSLHandshakeException: Remote host terminated the handshake
        at 
java.base/sun.security.ssl.SSLSocketImpl.handleEOF(SSLSocketImpl.java:


This doesn't end and keep on going, Second, how do I login to the nodes or 
master node, while deploying the cluster I have given my ssh keys, but it’s not 
letting me login - whenever I login -


vivekkumar@Viveks-MacBook-Pro ~ % ssh root@172.31.37.86 -p 2224
Please login as the user "NONE" rather than the user "root".

^CConnection to 172.31.37.86 closed.
vivekkumar@Viveks-MacBook-Pro ~ % ssh NONE@172.31.37.86 -p 2224
NONE@172.31.37.86: Permission denied (publickey).
vivekkumar@Viveks-MacBook-Pro ~ % ssh 172.31.37.86 -p 2224
vivekkumar@172.31.37.86: Permission denied (publickey).


How to login and troubleshoot what’s going inside of the VM, Is there any 
architectural diagram or document which can explain the steps which gets 
involved for deploying a Kubernetes cluster.




Vivek Kumar
Sr. Manager - Cloud & DevOps
TechOps | Indiqus Technologies

vivek.ku...@indiqus.com <mailto:vivek.ku...@indiqus.com>
        www.indiqus.com <https://www.indiqus.com/>





--
Mevludin Blazevic, M.Sc.

University of Koblenz-Landau
Computing Centre (GHRKO)
Universitaetsstrasse 1
D-56070 Koblenz, Germany
Room A023
Tel: +49 261/287-1326

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