purge: use sysfs to unmap rbd devices #4712
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in containerized context, using the binary provided in atomic os won't work because it's an old version provided by ceph-common based on 10.2.5. Using a container could be an idea but for large cluster with hundreds of client nodes, that would require to pull the image of each of them just to unmap the rbd devices. Let's use the sysfs method in order to avoid any issue related to ceph version that is shipped on the host. Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1766064 Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
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This commit adds a playbook to be played before we run purge playbook, it first creates an rbd image then map an rbd device on client0 so the purge playbook will try to unmap it. Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
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in containerized context, using the binary provided in atomic os won't
work because it's an old version provided by ceph-common based on
10.2.5.
Using a container could be an idea but for large cluster with hundreds
of client nodes, that would require to pull the image of each of them
just to unmap the rbd devices.
Let's use the sysfs method in order to avoid any issue related to ceph
version that is shipped on the host.
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1766064
Signed-off-by: Guillaume Abrioux gabrioux@redhat.com