[virt-tools-list] virt-bootstrap: libvirt and SELinux issues

[Fabiano Fidêncio]

So, several things ...

On Mon, Jun 11, 2018 at 4:41 PM, Richard W.M. Jones <rjones at redhat.com> wrote:
> (Adding virt-tools-list)
>
> On Fri, Jun 08, 2018 at 02:20:22PM +0200, Timothée Floure wrote:
>> Hello,
>>
>> I'm trying to package virt-bootstrap [0], but various tests fail due to
>> SELinux. I know some selinux basics from redhat's selinux manual [1],
>> but am unsure about how to approach the issue.

virt-bootstrap is already part of Fedora28+.

>>
>> For example, the following command - extracted from a failing test -
>> fails due to SELinux:
>>
>> ```
>> virt-sandbox -c qemu:///session --name=bootstrap_26639 -m host-bind:/mnt=/tmp/tmps77ywg1n_bootstrap_dest -- /bin/tar xf /tmp/tmp8gca1fzq_bootstrap_tarfiles/b52c708f02ff0ee783331f23f723ed9123dfc72994e19d1c33f3bd5db723007a.tar -C /mnt --exclude "dev/*" --overwrite --absolute-names
>> ```
>>
>> ```
>> type=AVC msg=audit(1525329618.892:19448): avc:  denied  { read } for  pid=31860 comm="qemu-system-x86" name="config" dev="dm-3" ino=4589515 scontext=unconfined_u:unconfined_r:svirt_t:s0:c422,c725 tcontext=unconfined_u:object_r:gconf_home_t:s0 tclass=dir permissive=0
>> ```

This is something that, IMO, should be reported as an issue for the
selinux-policy component. But maybe virt-sandbox/qemu maintainers have
a different opinion here.

>>
>> I also attached the related specfile to this email. I would appreciate
>> if someone could take a few minutes to redirect me.
>>
>>
>> [0] https://github.com/virt-manager/virt-bootstrap
>> [1] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/selinux_users_and_administrators_guide/part_i-selinux
>>
>> Thanks !
>>
>> --
>> Timothée Floure
>
>> %global debug_package %{nil}
>>
>> Name:     virt-bootstrap
>> Version:  1.0.0
>> Release:  1%{?dist}
>> Summary:  Easy way to setup the root file system for libvirt-based containers
>>
>> License:  GPLv3
>> URL:      https://github.com/virt-manager/%{name}
>> Source0:  https://github.com/virt-manager/%{name}/archive/v%{version}.tar.gz
>>
>> BuildArch: noarch
>> BuildRequires: python3-devel
>> BuildRequires: perl-podlators
>> BuildRequires: sed
>> # Provides virt-sandbox
>> BuildRequires: libvirt-sandbox
>> # Provides virt-builder
>> BuildRequires: libguestfs-tools-c
>> BuildRequires: python3-libguestfs
>> BuildRequires: python3-passlib
>> BuildRequires: python3-mock
>> Requires: skopeo
>> # Provides virt-sandbox
>> Requires: libvirt-sandbox
>> # Provides virt-builder
>> Requires: libguestfs-tools-c
>> Requires: python3-libguestfs
>> Requires: python3-passlib
>>
>> %description
>> %{summary}.
>>
>> %prep
>> %setup -q
>>
>>
>> %build
>> %py3_build
>>
>> %install
>> %py3_install
>>
>> sed -i 's|#!/usr/bin/env python|#!/usr/bin/python|' \
>>       %{buildroot}%{python3_sitelib}/virtBootstrap/virt_bootstrap.py
>>
>> chmod +x %{buildroot}%{python3_sitelib}/virtBootstrap/virt_bootstrap.py
>>
>> %check
>> %{__python3} setup.py test
>>
>> %files
>> %license LICENSE
>> %doc README.md
>> %{_bindir}/%{name}
>> %{python3_sitelib}/*
>> %{_mandir}/man1/%{name}.1*
>>
>> %changelog
>> * Mon Apr 30 2018 Timothée Floure <fnux at fedoraproject.org> - 1.0.0-1
>> - Let there be package
>
>
>
>
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>
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
> libguestfs lets you edit virtual machines.  Supports shell scripting,
> bindings from many languages.  http://libguestfs.org
>
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Best Regards,
-- 
Fabiano Fidêncio