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kbase: debuglogs: Extract client library logging setup

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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
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Peter Krempa 2022-01-17 13:59:58 +01:00
parent 69349e0902
commit 0e65006747
1 changed files with 14 additions and 9 deletions
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docs/kbase/debuglogs.rst
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@ -89,7 +89,7 @@ configuring your filters is to start with the `Example filter settings`_.
The rule of thumb here is to have more logs rather than less and miss something The rule of thumb here is to have more logs rather than less and miss something
important. important.
How to turn on debug logs for libvirt Libvirt daemons logging configuration
===================================== =====================================
Persistent setting Persistent setting
@ -120,14 +120,6 @@ URI <https://libvirt.org/uri.html>`__. For ``qemu:///system``:
patterns and thus requires more configuration. See patterns and thus requires more configuration. See
`Legacy (pre-4.4.0) libvirt daemon logging configuration`_. `Legacy (pre-4.4.0) libvirt daemon logging configuration`_.
In case you want to get the client logs, you need to set this environment
variable:
::
export LIBVIRT_LOG_OUTPUTS="1:file:/tmp/libvirt_client.log"
However, when you are using the session mode ``qemu:///session`` or you run the However, when you are using the session mode ``qemu:///session`` or you run the
``libvirtd`` as unprivileged user you will find configuration file under ``libvirtd`` as unprivileged user you will find configuration file under
``$XDG_CONFIG_HOME/libvirt/libvirtd.conf``. ``$XDG_CONFIG_HOME/libvirt/libvirtd.conf``.
@ -214,6 +206,19 @@ Or using ``virt-admin``:
## LEGACY APPROACH ENUMERATING ALL THE DESIRED MODULES ## ## LEGACY APPROACH ENUMERATING ALL THE DESIRED MODULES ##
# virt-admin daemon-log-filters "1:util 1:libvirt 1:storage 1:network 1:nodedev 1:qemu" # virt-admin daemon-log-filters "1:util 1:libvirt 1:storage 1:network 1:nodedev 1:qemu"
Client library logging
======================
By default the client library doesn't produce any logs and usually usually it's
not very interesting on its own anyway.
In case you want to get the client logs, logging is controlled via the
``LIBVIRT_LOG_OUTPUTS`` and ``LIBVIRT_LOG_FILTERS`` environment variables.
Generally when client logs are needed make sure you don't filter them:
::
export LIBVIRT_LOG_OUTPUTS="1:file:/tmp/libvirt_client.log"
What to attach? What to attach?
=============== ===============