[Kimchi-devel] [PATCH] [Kimchi] Allow kvmusertests to run with regular user

Lucio Correia posted 1 patch 7 years, 9 months ago
Failed in applying to current master (apply log)
kvmusertests.py | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
[Kimchi-devel] [PATCH] [Kimchi] Allow kvmusertests to run with regular user
Posted by Lucio Correia 7 years, 9 months ago
Signed-off-by: Lucio Correia <luciojhc@linux.vnet.ibm.com>
---
 kvmusertests.py | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/kvmusertests.py b/kvmusertests.py
index a3fb273..3b3a603 100644
--- a/kvmusertests.py
+++ b/kvmusertests.py
@@ -1,6 +1,6 @@
 # Project Kimchi
 #
-# Copyright IBM Corp, 2015-2016
+# Copyright IBM Corp, 2015-2017
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -17,6 +17,7 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 import libvirt
+import os
 import platform
 import psutil
 import threading
@@ -56,12 +57,18 @@ class UserTests(object):
 
         with RollbackContext() as rollback:
             with cls.lock:
-                conn = libvirt.open(None)
+                conn = libvirt.open("qemu:///session")
                 rollback.prependDefer(conn.close)
                 f = libvirt.VIR_DOMAIN_START_AUTODESTROY
                 dom = conn.createXML(xml, flags=f)
                 rollback.prependDefer(dom.destroy)
-                filename = '/var/run/libvirt/qemu/%s.pid' % KVMUSERTEST_VM_NAME
+
+                # find pid file for VM
+                uid = str(os.getuid())
+                filedir = os.path.join('/run/user', uid, 'libvirt/qemu/run')
+                if uid == '0':
+                    filedir = '/var/run/libvirt/qemu'
+                filename = os.path.join(filedir, KVMUSERTEST_VM_NAME + ".pid")
                 with open(filename) as f:
                     pidStr = f.read()
                 p = psutil.Process(int(pidStr))
-- 
2.7.4

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Re: [Kimchi-devel] [PATCH] [Kimchi] Allow kvmusertests to run with regular user
Posted by Aline Manera 7 years, 9 months ago
Hi Lucio,

I have tested this patch and I got the following outputs while running 
with and without sudo permissions:

[alinefm@alinefm-TP440 kimchi]$ PYTHONPATH=../../../ python kvmusertests.py
alinefm
[alinefm@alinefm-TP440 kimchi]$ sudo PYTHONPATH=../../../ python 
kvmusertests.py
qemu

As you can see, when running it without sudo the result is different of 
when running with sudo.
This code is used to determine the qemu user in the system to make sure 
qemu and libvirt can work with some disk files.
So 'alinefm' is not the right value to do that.

The idea behind this patch is to allow the tests run without sudo, so 
maybe, it is better to overwrite this code in the tests files instead of 
changing the production behavior.

On 03/03/2017 01:22 PM, Lucio Correia wrote:
> Signed-off-by: Lucio Correia <luciojhc@linux.vnet.ibm.com>
> ---
>   kvmusertests.py | 13 ++++++++++---
>   1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/kvmusertests.py b/kvmusertests.py
> index a3fb273..3b3a603 100644
> --- a/kvmusertests.py
> +++ b/kvmusertests.py
> @@ -1,6 +1,6 @@
>   # Project Kimchi
>   #
> -# Copyright IBM Corp, 2015-2016
> +# Copyright IBM Corp, 2015-2017
>   #
>   # This library is free software; you can redistribute it and/or
>   # modify it under the terms of the GNU Lesser General Public
> @@ -17,6 +17,7 @@
>   # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>
>   import libvirt
> +import os
>   import platform
>   import psutil
>   import threading
> @@ -56,12 +57,18 @@ class UserTests(object):
>
>           with RollbackContext() as rollback:
>               with cls.lock:
> -                conn = libvirt.open(None)
> +                conn = libvirt.open("qemu:///session")
>                   rollback.prependDefer(conn.close)
>                   f = libvirt.VIR_DOMAIN_START_AUTODESTROY
>                   dom = conn.createXML(xml, flags=f)
>                   rollback.prependDefer(dom.destroy)
> -                filename = '/var/run/libvirt/qemu/%s.pid' % KVMUSERTEST_VM_NAME
> +
> +                # find pid file for VM
> +                uid = str(os.getuid())
> +                filedir = os.path.join('/run/user', uid, 'libvirt/qemu/run')
> +                if uid == '0':
> +                    filedir = '/var/run/libvirt/qemu'
> +                filename = os.path.join(filedir, KVMUSERTEST_VM_NAME + ".pid")
>                   with open(filename) as f:
>                       pidStr = f.read()
>                   p = psutil.Process(int(pidStr))

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