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d218344e6c
Ramon de Carvalho Valle reported a problem with: virsh connect qemu:///system as a non-root user. The real root problem appears to be a regression in libvirtd being auto-started on the default qemu:///session URI; however, the symptom points to an independent flaw in virsh - we shouldn't be wasting efforts on making a connection if we aren't going to be using that connection. Fixing virsh avoids Ramon's issue, while I work in the meantime to fix the real libvirtd regression. This patch looks big, but that's because 'gcc -Wmissing-field-initializers' gets triggered by './autobuild.sh --enable-compile-warnings=error', so I had to add 0 initialization to everyone (rather than my preference of just adding the non-zero flags to virshCmds and to cmdConnect). Meanwhile, if you use 'virsh -c URI', the connection must succeed; this patch _only_ optimizes the default connection to be deferred to a later point where we know if a particular command to be run needs a connection. * tools/virsh.c (VSH_CMD_FLAG_NOCONNECT): New flag. (vshCmdDef): Add new flags field. (vshCommandRun): Honor new flag. (domManagementCmds, domMonitoringCmds, storagePoolCmds) (storageVolCmds, networkCmds, nodedevCmds, ifaceCmds) (nwfilterCmds, secretCmds, virshCmds, snapshotCmds) (hostAndHypervisorCmds): Populate new field. (vshReconnect): Don't warn on initial connection.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>