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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>I do make a mistake because I just print os.getuid() show the user root; but os.geteuid() show the current user is still vdsm;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Anyway , I still don’t know how to debug vdsm, I cann’t log in to centos with user VDSM, because I don’t know the passwd of user vdsm and if I changed the password, the service vdsmd will cann’t start.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>You told me “</span><span lang=EN-US>should follow the devel setup wiki</span><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>” , what’s the true link of vdsm devel setup wiki ? I can’t get useful information in ovirt.org or google.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt'>发件人<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt'> Michal Skrivanek [mailto:mskrivan@redhat.com] <br></span><b><span style='font-size:10.0pt'>发送时间<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt'> 2016</span><span style='font-size:10.0pt'>年<span lang=EN-US>7</span>月<span lang=EN-US>26</span>日<span lang=EN-US> 5:00<br></span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> lifuqiong<br></span><b>抄送<span lang=EN-US>:</span></b><span lang=EN-US> users; devel<br></span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re: [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<o:p></o:p></span></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>On 25 Jul 2016, at 21:50, Sandro Bonazzola <<a href="mailto:sbonazzo@redhat.com">sbonazzo@redhat.com</a>> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p><span lang=EN-US>Adding some people from virt team.<o:p></o:p></span></p><p><span lang=EN-US>Il 23/Lug/2016 11:44, "lifuqiong" <<a href="mailto:lifuqiong@cncloudsec.com">lifuqiong@cncloudsec.com</a>> ha scritto:<br>><br>> I debugged vdsm with PyCharm, And I logged on my Centos 7.2 with root, and get an error as follows:<br>><br>> <br>><br>> Problem:<br>><br>> <br>><br>> Traceback (most recent call last):<br>><br>> File "/usr/share/vdsm/vdsm", line 149, in run<br>><br>> serve_clients(log)<br>><br>> File "/usr/share/vdsm/vdsm", line 104, in serve_clients<br>><br>> cif = clientIF.getInstance(irs, log, scheduler)<br>><br>> File "/usr/share/vdsm/clientIF.py", line 204, in getInstance<br>><br>> cls._instance = clientIF(irs, log, scheduler)<br>><br>> File "/usr/share/vdsm/clientIF.py", line 106, in __init__<br>><br>> secret.clear()<br>><br>> File "/usr/lib/python2.7/site-packages/vdsm/virt/secret.py", line 92, in clear<br>><br>> con = libvirtconnection.get()<br>><br>> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 163, in get<br>><br>> password)<br>><br>> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 99, in open_connection<br>><br>> return utils.retry(libvirtOpen, timeout=10, sleep=0.2)<br>><br>> File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 546, in retry<br>><br>> return func()<br>><br>> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in openAuth<br>><br>> if ret is None:raise libvirtError('virConnectOpenAuth() failed')<br>><br>> libvirtError: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied<br>><br>> <br>><br>> Investitate:<br>><br>> 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></div></blockquote><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-US>vdsm is not supposed to be run under root user. For debugging you should follow the devel setup wiki and not change a regular host. <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>Depends what you modified, it's impossible to say from what you described....but a general advice is you simply don't do that:)<br><br><o:p></o:p></span></p><div><p><span lang=EN-US>><br>> <br>><br>> def openAuth(uri, auth, flags=0):<br>><br>> #print os.geteuid()<br>><br>> ret = libvirtmod.virConnectOpenAuth(uri, auth, flags)<br>><br>> if ret is None:raise libvirtError('virConnectOpenAuth() failed')<br>><br>> return virConnect(_obj=ret)<br>><br>> <br>><br>> [root@server117 libvirt]# ll /var/run/libvirt/libvirt-sock<br>><br>> srwxrwx---. 1 root qemu 0 Jul 19 23:43 /var/run/libvirt/libvirt-sock<br>><br>> <br>><br>> According that, root should not get an Permission denied error ? But why?<br>><br>> <br>><br>> And I setenforce=0 , and still show Perssion denied error.<br>><br>> <br>><br>> What’s the reason? And how to solve it?<br>><br>> <br>><br>> Thank you.<br>><br>><br>> _______________________________________________<br>> Devel mailing list<br>> <a href="mailto:Devel@ovirt.org">Devel@ovirt.org</a><br>> <a href="http://lists.ovirt.org/mailman/listinfo/devel">http://lists.ovirt.org/mailman/listinfo/devel</a><o:p></o:p></span></p></div></div></div></body></html>