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schema: add keyfile configuration for ssh disks

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Authenticating via key file to an ssh server is often preferable to
logging in via password. In order to support this functionality add a
new <identity> xml element for ssh disks that allows the user to specify
a keyfile and username. Example configuration:

    <disk type='network'>
      <source protocol='ssh' ...>
        <identity keyfile='/path/to/id_rsa' username='myusername'/>
        ...
      </source>
    ...
    </disk>

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Jonathon Jongsma 2023-01-19 15:52:20 -06:00
parent 21b377a31b
commit 1e2fa6d524
2 changed files with 25 additions and 1 deletions
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7
docs/formatdomain.rst
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@ -3020,6 +3020,13 @@ paravirtualized driver is specified via the ``disk`` element.
of these attributes is omitted, then that field is assumed to be the
default value for the current system. If both ``user`` and ``group``
are intended to be default, then the entire element may be omitted.
When using an ``ssh`` protocol, this element is used to enable
authentication via ssh keys. In this configuration, the element has two
attributes. The ``username`` attribute specifies the name of the user on
the remote server and the ``keyfile`` attribute specifies the path to the
keyfile. Note that this only works for ssh keys that are not
password-protected.
``reconnect``
For disk type ``vhostuser`` configures reconnect timeout if the connection
is lost. This is set with the two mandatory attributes ``enabled`` and

19
src/conf/schemas/domaincommon.rng
View File

@ -2181,6 +2181,19 @@
</element>
</define>
<define name="diskSourceNetworkProtocolSSHKeyDef">
<element name="identity">
<interleave>
<attribute name="username">
<ref name="genericName"/>
</attribute>
<attribute name="keyfile">
<ref name="absFilePath"/>
</attribute>
</interleave>
</element>
</define>
<define name="diskSourceNetworkProtocolSSH">
<element name="source">
<interleave>
@ -2200,11 +2213,15 @@
<ref name="diskSourceNetworkProtocolSSHHostVerify"/>
</optional>
<optional>
<ref name="diskAuth"/>
<choice>
<ref name="diskSourceNetworkProtocolSSHKeyDef"/>
<ref name="diskAuth"/>
</choice>
</optional>
</interleave>
</element>
</define>
<define name="diskSourceNetworkProtocolSimple">
<element name="source">
<interleave>