Man page - nova-rootwrap(1)

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Manual

NOVA-ROOTWRAP(1) nova NOVA-ROOTWRAP(1)

nova-rootwrap - Root wrapper daemon for the OpenStack Compute service.

nova-rootwrap CONFIG_FILE COMMAND


nova-rootwrap is an application that filters which commands nova is allowed to run as another user.

To use this, you should set the following in nova.conf:

rootwrap_config=/etc/nova/rootwrap.conf


You also need to let the nova user run nova-rootwrap as root in sudoers:

nova ALL = (root) NOPASSWD: /usr/bin/nova-rootwrap /etc/nova/rootwrap.conf *


To make allowed commands node-specific, your packaging should only install {compute,network}.filters respectively on compute and network nodes, i.e. API nodes should not have any of those files installed.

NOTE:

nova-rootwrap is being slowly deprecated and replaced by oslo.privsep, and will eventually be removed.


  • /etc/nova/nova.conf
  • /etc/nova/rootwrap.conf
  • /etc/nova/rootwrap.d/

nova-compute(1)

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April 6, 2026 33.0.0