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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN-US>We know that xmlrpc and jsonrpc are enabled default in vdsm, vdsm supply these two service in one port or two? What&#8217;s the port number and how we can change it?<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN-US>How can we know a vdsm host can supply an xmlrpc service or a jsonrpc service?<o:p></o:p></span></p><p class=MsoListParagraph><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN-US>I found that while ovirt engine installing a vdsm host, engine will check whether we are connecting to vdsm which supports xmlrpc only, engine send a &#8216;Host.ping&#8217; jsonrpc request, &nbsp;why the code will enter into bindingxmlrpc.py?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Did both jsonrpc and xmlrpc will call bindingxmlrpc.py?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN-US>Then, I just get an json return with code = 0 or code = 99. What does these error code mean ? I can&#8217;t find detail in rpcjson Specification(<a href="http://www.jsonrpc.org/specification">http://www.jsonrpc.org/specification</a>)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN-US>When installing vdsm, I got an &#8220;Host server117 installation failed. Host is not reachable&#8221; error. Debugging code as follows:<o:p></o:p></span></p><p class=MsoListParagraph><span lang=EN-US>Bindingxmlrpc.py<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>line637&nbsp; def ping(self):<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>line638&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # print 'os.getuid()',os.getuid() = 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>line639&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # print 'os.getegit()',os.getegid() =0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>line640&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; api = API.Global()<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>line641&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return api.ping()<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>the api.ping() just open an file and update the file updating time, why these will throw an error code 0 or 99? And I see the ping() function created file /var/run/vdsm/client.log already exists in os, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>the only difference is the file is owned by root:root , not the vdsm:kvm? Why?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p></div></body></html>