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Although the XML for CHAP authentication with plain "password"
was introduced long ago, the function was never implemented. This
patch replaces the login/password mechanism by following the
'ceph' (or RBD) model of using a 'username' with a 'secret' which
has the authentication information.
This patch performs the authentication during startPool() processing
of pools with an authType of VIR_STORAGE_POOL_AUTH_CHAP specified
for iSCSI pools.
There are two types of CHAP configurations supported for iSCSI
authentication:
* Initiator Authentication
Forward, one-way; The initiator is authenticated by the target.
* Target Authentication
Reverse, Bi-directional, mutual, two-way; The target is authenticated
by the initiator; This method also requires Initiator Authentication
This only supports the "Initiator Authentication". (I don't have any
enterprise iSCSI env for testing, only have a iSCSI target setup with
tgtd, which doesn't support "Target Authentication").
"Discovery authentication" is not supported by tgt yet too. So this only
setup the session authentication by executing 3 iscsiadm commands, E.g:
% iscsiadm -m node --target "iqn.2013-05.test:iscsi.foo" --name \
"node.session.auth.authmethod" -v "CHAP" --op update
% iscsiadm -m node --target "iqn.2013-05.test:iscsi.foo" --name \
"node.session.auth.username" -v "Jim" --op update
% iscsiadm -m node --target "iqn.2013-05.test:iscsi.foo" --name \
"node.session.auth.password" -v "Jimsecret" --op update
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>