Debug vdsm 4.0.0 report error: libvirt: XML-RPC error : Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
4:39 a.m.
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I debugged vdsm with PyCharm, And I logged on my Centos 7.2 with root, and
get an error as follows:
Problem:
Traceback (most recent call last):
File "/usr/share/vdsm/vdsm", line 149, in run
serve_clients(log)
File "/usr/share/vdsm/vdsm", line 104, in serve_clients
cif = clientIF.getInstance(irs, log, scheduler)
File "/usr/share/vdsm/clientIF.py", line 204, in getInstance
cls._instance = clientIF(irs, log, scheduler)
File "/usr/share/vdsm/clientIF.py", line 106, in __init__
secret.clear()
File "/usr/lib/python2.7/site-packages/vdsm/virt/secret.py", line 92, in
clear
con = libvirtconnection.get()
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
163, in get
password)
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
99, in open_connection
return utils.retry(libvirtOpen, timeout=10, sleep=0.2)
File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 546, in retry
return func()
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in
openAuth
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: Failed to connect socket to '/var/run/libvirt/libvirt-sock':
Permission denied
Investitate:
According to the traceback above, the code in libvirt.py as below, and
os.geteuid() get '0' which shows the current user is root;
def openAuth(uri, auth, flags=0):
#print os.geteuid()
ret = libvirtmod.virConnectOpenAuth(uri, auth, flags)
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
return virConnect(_obj=ret)
[root@server117 libvirt]# ll /var/run/libvirt/libvirt-sock
srwxrwx---. 1 root qemu 0 Jul 19 23:43 /var/run/libvirt/libvirt-sock
According that, root should not get an Permission denied error ? But why?
And I setenforce=0 , and still show Perssion denied error.
What's the reason? And how to solve it?
Thank you.
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link=3Dblue =
vlink=3Dpurple style=3D'text-justify-trim:punctuation'><div =
class=3DWordSection1><p class=3DMsoNormal><span lang=3DEN-US>I debugged =
vdsm with PyCharm, And I logged on my Centos 7.2 with root, and =
get an error as follows:<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>Problem:<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>Traceback (most recent call
last):<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> File =
"/usr/share/vdsm/vdsm", line 149, in =
run<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US> =
serve_clients(log)<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> File "/usr/share/vdsm/vdsm", line 104, in =
serve_clients<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> cif =3D clientIF.getInstance(irs, log, =
scheduler)<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> File "/usr/share/vdsm/clientIF.py", line =
204, in getInstance<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> cls._instance =3D clientIF(irs, log, =
scheduler)<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> File "/usr/share/vdsm/clientIF.py", line =
106, in __init__<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>
secret.clear()<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> File =
"/usr/lib/python2.7/site-packages/vdsm/virt/secret.py", line =
92, in clear<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> con =3D =
libvirtconnection.get()<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> File =
"/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", =
line 163, in get<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>
password)<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> File =
"/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", =
line 99, in open_connection<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> return =
utils.retry(libvirtOpen, timeout=3D10, =
sleep=3D0.2)<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> File =
"/usr/lib/python2.7/site-packages/vdsm/utils.py", line 546, in =
retry<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US> return
func()<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> File =
"/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in =
openAuth<o:p></o:p></span></p><p class=3DMsoNormal><span
=
lang=3DEN-US> if ret is None:raise =
libvirtError('virConnectOpenAuth()
failed')<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>libvirtError: Failed to connect =
socket to '/var/run/libvirt/libvirt-sock': Permission =
denied<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>Investitate:<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>According to the traceback above, =
the code in libvirt.py as below, and os.geteuid() get =
‘0’ which shows the current user is =
root;<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>def openAuth(uri, auth,
flags=3D0):<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
lang=3DEN-US>
#print =
os.geteuid()<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US> ret =3D =
libvirtmod.virConnectOpenAuth(uri, auth,
flags)<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US> if ret is =
None:raise libvirtError('virConnectOpenAuth() =
failed')<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-indent:21.0pt'><span lang=3DEN-US>return =
virConnect(_obj=3Dret)<o:p></o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>[root@server117 libvirt]# ll =
/var/run/libvirt/libvirt-sock<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>srwxrwx---. 1 root qemu 0 Jul 19 =
23:43 /var/run/libvirt/libvirt-sock<o:p></o:p></span></p><p =
class=3DMsoNormal><span
lang=3DEN-US><o:p> </o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>According that, root should not get =
an Permission denied error ? But why?<o:p></o:p></span></p><p
=
class=3DMsoNormal><span
lang=3DEN-US><o:p> </o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>And I setenforce=3D0 , and still =
show Perssion denied error.<o:p></o:p></span></p><p =
class=3DMsoNormal><span
lang=3DEN-US><o:p> </o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>What’s the reason? And how to =
solve it?<o:p></o:p></span></p><p class=3DMsoNormal><span
=
lang=3DEN-US><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
lang=3DEN-US>Thank
you.<o:p></o:p></span></p></div></body></html>
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2:50 p.m.
New subject: [ovirt-devel] Debug vdsm 4.0.0 report error: libvirt: XML-RPC error : Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
Adding some people from virt team.
Il 23/Lug/2016 11:44, "lifuqiong" <lifuqiong(a)cncloudsec.com> ha scritto:
I debugged vdsm with PyCharm, And I logged on my Centos 7.2 with root,
and get an
error as follows:
Problem:
Traceback (most recent call last):
File "/usr/share/vdsm/vdsm", line 149, in run
serve_clients(log)
File "/usr/share/vdsm/vdsm", line 104, in serve_clients
cif = clientIF.getInstance(irs, log, scheduler)
File "/usr/share/vdsm/clientIF.py", line 204, in getInstance
cls._instance = clientIF(irs, log, scheduler)
File "/usr/share/vdsm/clientIF.py", line 106, in __init__
secret.clear()
File "/usr/lib/python2.7/site-packages/vdsm/virt/secret.py", line 92,
in clear
con = libvirtconnection.get()
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
163, in get
password)
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
99, in open_connection
return utils.retry(libvirtOpen, timeout=10, sleep=0.2)
File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 546, in
retry
return func()
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in
openAuth
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: Failed to connect socket to
'/var/run/libvirt/libvirt-sock':
Permission denied
Investitate:
According to the traceback above, the code in libvirt.py as below, and
os.geteuid() get ‘0’ which shows the current user is root;
def openAuth(uri, auth, flags=0):
#print os.geteuid()
ret = libvirtmod.virConnectOpenAuth(uri, auth, flags)
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
return virConnect(_obj=ret)
[root@server117 libvirt]# ll /var/run/libvirt/libvirt-sock
srwxrwx---. 1 root qemu 0 Jul 19 23:43 /var/run/libvirt/libvirt-sock
According that, root should not get an Permission denied error ? But why?
And I setenforce=0 , and still show Perssion denied error.
What’s the reason? And how to solve it?
Thank you.
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http://lists.ovirt.org/mailman/listinfo/devel
3:59 p.m.
New subject: [ovirt-devel] Debug vdsm 4.0.0 report error: libvirt: XML-RPC error : Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
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2841
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participants (3)
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lifuqiong -
Michal Skrivanek -
Sandro Bonazzola