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Define a new RPC protocol for the virtlogd daemon that provides for handling of logs. The initial RPC method defined allows a client to obtain a file handle to use for writing to a log file for a guest domain. The file handle passed back will not actually refer to the log file, but rather an anonymous pipe. The virtlogd daemon will forward I/O between them, ensuring file rotation happens when required. Initially the log setup is hardcoded to cap log files at 128 KB, and keep 3 backups when rolling over, which gives a max usage of 512 KB per guest. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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>