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Add noseclabel support to libvirt_lxc plugin.

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This commit is contained in:
Matt Clay 2016-03-10 15:34:31 -08:00
parent adc9a25a06
commit ba1bcdfc17
4 changed files with 21 additions and 1 deletions
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11
docsite/rst/intro_configuration.rst
View file

@ -952,6 +952,17 @@ The default list is: nfs,vboxsf,fuse,ramfs::
special_context_filesystems = nfs,vboxsf,fuse,ramfs,myspecialfs
libvirt_lxc_noseclabel
======================
.. versionadded:: 2.1
This setting causes libvirt to connect to lxc containers by passing --noseclabel to virsh.
This is necessary when running on systems which do not have SELinux.
The default behavior is no::
libvirt_lxc_noseclabel = True
Galaxy Settings
---------------

3
examples/ansible.cfg
View file

@ -278,6 +278,9 @@
# needs to be changed to use the file system dependent context.
#special_context_filesystems=nfs,vboxsf,fuse,ramfs
# Set this to yes to allow libvirt_lxc connections to work without SELinux.
#libvirt_lxc_noseclabel = yes
[colors]
#higlight = white
#verbose = blue

1
lib/ansible/constants.py
View file

@ -167,6 +167,7 @@ DEFAULT_NO_TARGET_SYSLOG = get_config(p, DEFAULTS, 'no_target_syslog', 'ANSIBL
# selinux
DEFAULT_SELINUX_SPECIAL_FS = get_config(p, 'selinux', 'special_context_filesystems', None, 'fuse, nfs, vboxsf, ramfs', islist=True)
DEFAULT_LIBVIRT_LXC_NOSECLABEL = get_config(p, 'selinux', 'libvirt_lxc_noseclabel', 'LIBVIRT_LXC_NOSECLABEL', False, boolean=True)
### PRIVILEGE ESCALATION ###
# Backwards Compat

7
lib/ansible/plugins/connection/libvirt_lxc.py
View file

@ -88,7 +88,12 @@ class Connection(ConnectionBase):
return the process's exit code immediately.
'''
executable = C.DEFAULT_EXECUTABLE.split()[0] if C.DEFAULT_EXECUTABLE else '/bin/sh'
local_cmd = [self.virsh, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', executable , '-c', cmd]
local_cmd = [self.virsh, '-q', '-c', 'lxc:///', 'lxc-enter-namespace']
if C.DEFAULT_LIBVIRT_LXC_NOSECLABEL:
local_cmd += ['--noseclabel']
local_cmd += [self.lxc, '--', executable, '-c', cmd]
display.vvv("EXEC %s" % (local_cmd,), host=self.lxc)
local_cmd = [to_bytes(i, errors='strict') for i in local_cmd]