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Re: [libvirt] Remote Xen and libvirt >= 0.5.0 Issues



Hey Daniel,

Sorry, I should have mentioned that. Yes, I did setup the x509/TLS certificates based on the instructions provided by the libvirt documentation. The setup with the certificates work flawlessly with 0.4.6. Here is a successful run of the virsh command using libvirt 0.4.6 with the certificates:

# LIBVIRT_DEBUG=6 virsh -d 5 -c xen://node3/ list
command: "list "
DEBUG: libvirt.c: virInitialize (register drivers)
DEBUG: xen_internal.c: xenHypervisorInit (Using new hypervisor call: 30003
)
DEBUG: xen_internal.c: xenHypervisorInit (Using hypervisor call v2, sys ver6 dom ver5
)
DEBUG: libvirt.c: virConnectOpenAuth (name=xen://node3/, auth=0x675b9c, flags=0)
DEBUG: libvirt.c: do_open (name "xen://node3/" to URI components:
  scheme xen
  opaque (null)
  authority (null)
  server node3
  user (null)
  port 0
  path /
)
DEBUG: libvirt.c: do_open (trying driver 0 (Test) ...)
DEBUG: libvirt.c: do_open (driver 0 Test returned DECLINED)
DEBUG: libvirt.c: do_open (trying driver 1 (QEMU) ...)
DEBUG: libvirt.c: do_open (driver 1 QEMU returned DECLINED)
DEBUG: libvirt.c: do_open (trying driver 2 (Xen) ...)
DEBUG: libvirt.c: do_open (driver 2 Xen returned DECLINED)
DEBUG: libvirt.c: do_open (trying driver 3 (remote) ...)
DEBUG: remote_internal.c: doRemoteOpen (proceeding with name = xen:///)
DEBUG: remote_internal.c: initialise_gnutls (loading CA file /etc/pki/CA/cacert.pem)
DEBUG: remote_internal.c: initialise_gnutls (loading client cert and key from files /etc/pki/libvirt/clientcert.pem and /etc/pki/libvirt/private/clientkey.pem)
DEBUG: libvirt.c: do_open (driver 3 remote returned SUCCESS)
DEBUG: libvirt.c: do_open (network driver 0 Test returned DECLINED)
DEBUG: libvirt.c: do_open (network driver 1 QEMU returned DECLINED)
DEBUG: libvirt.c: do_open (network driver 2 remote returned SUCCESS)
DEBUG: libvirt.c: do_open (storage driver 0 Test returned DECLINED)
DEBUG: libvirt.c: do_open (storage driver 1 storage returned DECLINED)
DEBUG: libvirt.c: do_open (storage driver 2 remote returned SUCCESS)
DEBUG: libvirt.c: virConnectNumOfDomains (conn=0x8e681f0)
DEBUG: libvirt.c: virConnectListDomains (conn=0x8e681f0, ids=0x8e76f58, maxids=1)
 Id Name                 State
----------------------------------
DEBUG: libvirt.c: virDomainLookupByID (conn=0x8e681f0, id=0)
DEBUG: hash.c: __virGetDomain (New hash entry 0x8e8e330)
DEBUG: libvirt.c: virDomainGetInfo (domain=0x8e8e330, info=0xbfce7cc4)
DEBUG: libvirt.c: virDomainGetName (domain=0x8e8e330)
DEBUG: libvirt.c: virDomainGetID (domain=0x8e8e330)
  0 Domain-0             running
DEBUG: libvirt.c: virDomainFree (domain=0x8e8e330)
DEBUG: hash.c: virUnrefDomain (unref domain 0x8e8e330 Domain-0 1)
DEBUG: hash.c: virReleaseDomain (release domain 0x8e8e330 Domain-0)
DEBUG: hash.c: virReleaseDomain (unref connection 0x8e681f0 xen://node3/ 2)

DEBUG: libvirt.c: virConnectClose (conn=0x8e681f0)
DEBUG: hash.c: virUnrefConnect (unref connection 0x8e681f0 xen://node3/ 1)
DEBUG: hash.c: virReleaseConnect (release connection 0x8e681f0 xen://node3/)

Hany

On Mon, Jun 8, 2009 at 12:34 PM, Daniel P. Berrange <berrange redhat com> wrote:
On Mon, Jun 08, 2009 at 12:20:12PM -0400, Hany Fahim wrote:
> Hey Daniel,
> Thanks for the reply. The strange thing is, libvirt isn't even attempting to
> establish a connection with the remote server. I've performed tcpdumps to
> verify this; no traffic is exchanged between the two hosts when executing
> the virsh command. If I switch back to a version of libvirt below 0.5.0 such
> as 0.4.6, it works like a charm.

Have you configured the neccessary x509/TLS certificates on the client side ?

Daniel
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