HI Pearl and Zhou,

Thanks for the reply. virbr0 is not a problem now.

But I've set the ca.plugin.root.auth.strictness to false and restarted the
mgt server, the host still shows ssl handshake error.

Also When I tried the deployDatacenter.py, it shows "=== TestClient
Creation Failed==="  and the mgt server logs
```
ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-1:null) (logid:) SSL
error caught during unwrap data: Unrecognized SSL
message, plaintext connection?, for local address=/172.20.0.1:8250, remote
address=/172.20.0.1:54128. The client may have inva
lid ca-certificates.
```

Thanks,
Junxuan Wu

On Mon, 28 Jun 2021 at 23:53, Pearl d'Silva <pearl.dsi...@shapeblue.com>
wrote:

> Hi Junxuan,
>
> To address the issue wrt SSL, you may try setting the following global
> setting - "ca.plugin.root.auth.strictness" to false and restart your
> management server.
>
> Thanks,
> Pearl
> ________________________________
> From: Wei ZHOU <ustcweiz...@gmail.com>
> Sent: Saturday, June 26, 2021 2:31 PM
> To: dev@cloudstack.apache.org <dev@cloudstack.apache.org>
> Subject: Re: [GSoC] Issues occured on kvm host: SSL handshake Error
>
> Hi,
>
> I can answer your last question about the virbr0.
>
> In the past we had some issues if vm on another network also uses IP in
> 192.168.122.0/24. Hence we decided to disable the default network virbr0.
> you can find the commit in
> https://github.com/apache/cloudstack/pull/3227/commits
>
> -Wei
>
>
>
>
> On Sat, 26 Jun 2021 at 03:57, Junxuan Wu <atrocityth...@gmail.com> wrote:
>
> > Hi,
> >
> > I recently migrated my dev environment of cloudstack to a remote Google
> > cloud machine. I set up the KVM host and management server there. It was
> > working fine after the initial setup. But after a while, got an issue
> when
> > the KVM host and management server tries to connect. I checked the KVM
> host
> > cloudstack-agent log, it shows
> >
> > ```
> > 2021-06-25 01:14:34,933 WARN  [utils.nio.Link] (main:null) (logid:) SSL
> > Handshake has taken more than 30
> > s to connect to: /192.168.122.1:8250. Please investigate this
> connection.
> > 2021-06-25 01:14:34,934 ERROR [utils.nio.NioClient] (main:null) (logid:)
> > SSL Handshake failed while conn
> > ecting to host: 192.168.122.1 port: 8250
> > 2021-06-25 01:14:34,936 ERROR [utils.nio.NioConnection] (main:null)
> > (logid:) Unable to initialize the th
> > reads.
> > java.io.IOException: SSL Handshake failed while connecting to host:
> > 192.168.122.1 port: 8250
> >        at com.cloud.utils.nio.NioClient.init(NioClient.java:67)
> >        at com.cloud.utils.nio.NioConnection.start(NioConnection.java:95)
> >        at com.cloud.agent.Agent.start(Agent.java:283)
> >        at com.cloud.agent.AgentShell.launchNewAgent(AgentShell.java:455)
> >        at com.cloud.agent.AgentShell.launchAgentFromClassInfo(
> > AgentShell.java:422)
> >        at com.cloud.agent.AgentShell.launchAgent(AgentShell.java:406)
> >        at com.cloud.agent.AgentShell.start(AgentShell.java:512)
> >        at com.cloud.agent.AgentShell.main(AgentShell.java:547)
> > 2021-06-25 01:14:34,940 WARN  [cloud.agent.Agent] (main:null) (logid:)
> NIO
> > Connection Exception  com.clo
> > ud.utils.exception.NioConnectionException: SSL Handshake failed while
> > connecting to host: 192.168.122.1
> > port: 8250
> > ```
> > And rerun the deployDatacenter.py keeps failing
> >
> > I set up my KVM host through monkeybox.
> >
> > I also find that whenever the cloudstack-agent is started, the network
> > interface virbr0 will go down and disappear from ifconfig and virsh
> > net-list on the kvm host. The machine type I'm using for kvm host
> > is pc-i440fx-2.3, centos7. I've enabled nested virtualization on the
> google
> > cloud and the L1 VM I chose is debian 9 references:  (
> >
> >
> https://cloud.google.com/compute/docs/instances/nested-virtualization/overview
> > )
> >
> > Is there a solution to disable the SSL check? Or any ideas on the strange
> > behavior of my network interface?
> >
> > Thanks,
> > Junxuan Wu
> >
>

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