[libvirt] many more config variables required? or 1 "prefix" config

Jim Meyering jim at meyering.net
Mon Mar 2 14:18:43 UTC 2009

I found network-related config from one test leaking into another
and making the latter test fail, despite my use of what I thought
was everything required to keep them separate (unix_sock_dir and
log_outputs both set in config, and --pid-file specified on command line).

Unfortunately, there are still hard-coded references to some files.

    /* Configuration paths are either ~/.libvirt/qemu/... (session) or
     * /etc/libvirt/qemu/... (system).

That's from network_driver.c, to set these variables:

  struct network_driver

However, storage_driver is nearly identical in that respect.
It also uses ~/.libvirt/ vs SYSCONF_DIR/libvirt.

Same for uml_driver.c.

So, rather than adding new variables for each of these six new
parameters, how about just one new config parameter to allow
specification of a directory prefix that would replace
"~" and "/etc" in determining how to form config-related names?

Being able to run multiple libvirtd processes in parallel without having
one affect another is a hard requirement for any serious testing.

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