[one-users] problems connecting to VM using ssh

[Daniele Fetoni]

I just found that there are no domains in virsh list.
Due to this, even if VMs are running, I cannot suspend and restart them, or everything else, because virsh has not a domain to call.
Maybe if I manage to connect to VMs, this problem will be solved too.

From: daniele.fetoni at hotmail.it
To: users at lists.opennebula.org
Subject: problems connecting to VM using ssh
Date: Fri, 4 Jun 2010 10:30:41 +0200








Hi there
I'm a researcher from università di Perugia, triying to create a cloud to make some tests.

I'm having some troubles connecting to VM

I manage to create a virtual machine, its state is runn and through virtual machine manager that the resources from node are taken.
But, I cannot connect via ssh to VMs, neither run one of these (VMM says "graphical console not configured for guest").
so, I tried to put in VM templates this

GRAPHICS = [
  type="vnc", 
  listen="192.168.0.0", 
  port="5858"
  ]

in order to see if I can connect via vnc, but if I add this, VM deployment fails.

If I do not use Graphics, VM submission is OK, logs doesn't show everything bad, but I cannot reach VMs, even ping fails.
If I use Graphics, submission will fail. This is oned.log

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 Command execution fail: 'mkdir -p /srv/cloud/one/var/90/images && cat > /srv/cloud/one/var/90/images/deployment.0 && virsh --connect qemu:///system create /srv/cloud/one/var/90/images/deployment.0'

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 STDERR follows.

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 /usr/lib/ruby/1.8/open3.rb:73: warning: Insecure world writable dir /srv/cloud/one/var in PATH, mode 040777

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 error: Failed to create domain from /srv/cloud/one/var/90/images/deployment.0

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 error: monitor socket did not show up.: Connection refused

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: LOG - 90 ExitCode: 1

Fri Jun  4 10:09:35 2010 [VMM][D]: Message received: DEPLOY FAILURE 90 -

And here is VM log

Fri Jun  4 10:09:05 2010 [VMM][I]: Generating deployment file: /srv/cloud/one/var/90/deployment.0
Fri Jun  4 10:09:35 2010 [VMM][I]: Command execution fail: 'mkdir -p /srv/cloud/one/var/90/images && cat > /srv/cloud/one/var/90/images/deployment.0 && virsh --connect qemu:///system create /srv/cloud/one/var/90/images/deployment.0'
Fri Jun  4 10:09:35 2010 [VMM][I]: STDERR follows.
Fri Jun  4 10:09:35 2010 [VMM][I]: /usr/lib/ruby/1.8/open3.rb:73: warning: Insecure world writable dir /srv/cloud/one/var in PATH, mode 040777
Fri Jun  4 10:09:35 2010 [VMM][I]: error: Failed to create domain from /srv/cloud/one/var/90/images/deployment.0
Fri Jun  4 10:09:35 2010 [VMM][I]: error: monitor socket did not show up.: Connection refused
Fri Jun  4 10:09:35 2010 [VMM][I]: ExitCode: 1
Fri Jun  4 10:09:35 2010 [VMM][E]: Error deploying virtual machine
Fri Jun  4 10:09:35 2010 [DiM][I]: New VM state is FAILED


Probably, submission fails because the front end cannot ssh the virtual machine, so the problem is: why I can't connect to VMs using ssh, or even ping?
I tried using both ttylinux.img and ubuntu 10.04.img as image files, but nothing changed.

Please, give me a tip!!

Cheers 

Daniele Fetoni

 		 	   		  
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