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| =Webservice prepare=
| | Webservice setup and overview |
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| One more change required to be done within the mySql tables, this is because every host must be preconfigured for myLvsmon.
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| INSERT INTO `tblMaintenance` (`mID`,`enabled`,`ip`,`hostname`,`groupID`,`requestUP`,`requestDOWN`,`WeightDownTime`,`WeightDownPending`,`TurnOffTime`,
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| `TurnOffPending`,`response`,`message`,`updatepending`,`requestDate`,`responseDate`,`receivedfrom`,`CurWeightDownTime`,`CurTurnOffTime`,`DSLMaintenance`,
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| `DSLRenewRequest`,`DSLDate`,`DSLEpoche`,`DSLIP`) VALUES
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| (1,1,'192.168.2.221','hh',1,0,0,30,0,30,0,200,'Host has been turned on',0,'0','20150727143609','0','0','0',0,0,'0',0,'0'),
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| (2,1,'192.168.2.222','hh',1,0,0,30,0,30,0,200,'Host has been turned on',0,'0','20150727143230','0','0','0',0,0,'0',0,'0');
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| =Installing Soap-Lite modules for Linux =
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| apt-get install libsoap-lite-perl
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| <br><br>
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| =Installing Soap-Lite modules for Windows =
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| C:\Users\Administrator\Documents\lvs>ppm install Soap-Lite
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| Downloading SOAP-Lite-1.17...done
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| Downloading Class-Inspector-1.28...done
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| Downloading IO-SessionData-1.03...done
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| Unpacking SOAP-Lite-1.17...done
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| Unpacking Class-Inspector-1.28...done
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| Unpacking IO-SessionData-1.03...done
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| Generating HTML for SOAP-Lite-1.17...done
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| Generating HTML for Class-Inspector-1.28...done
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| Generating HTML for IO-SessionData-1.03...done
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| Updating files in site area...done
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| 63 files installed
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| =Setup Host Header=
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| *Windows
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| C:\>notepad c:\Windows\System32\drivers\etc\hosts
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| Set:
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| 192.168.2.200 ws.mylvs.foo
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| Refresh dns cache
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| ipconfig /flushdns
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| *Linux
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| root@myLVS-LinuxClient:/# vi /etc/hosts
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| Set:
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| 192.168.2.200 ws.mylvs.foo
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| root@mylvs01:/var/www/mylvs/ws/cgi-bin# chmod 777 lvs.cgi
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| root@mylvs01:/var/www/mylvs/ws/modules# chmod 777 lvs.pm
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| *'''Note: The webservice requires mylvsmon to run'''
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| =Samples=
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| ==Sample request from a Linux client using perl==
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| {| style="width: 80%;"
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| |style="width:40%; vertical-align: top;"|
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| To install use:
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| apt-get install libsoap-lite-perl
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| Sample script (test.pl)
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| #!/usr/bin/perl -w
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| use SOAP::Lite; # + qw/ trace /;
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| my $soap = SOAP::Lite
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| -> uri('urn:lvs')
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| -> proxy('http://ws.mylvs.foo/cgi-bin/lvs.cgi');
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| my $result = $soap->WHATISMYIP ();
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| unless ($result->fault) {
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| print $result->result();
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| } else {
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| print join ', ',
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| $result->faultcode,
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| $result->faultstring;
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| }
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| root@myLVS-LinuxClient:/usr/local/dev/mylvs# '''perl test.pl'''
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| '''200 192.168.2.222'''
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| |style="width:45%; vertical-align: top;"|
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| <br><br><br>
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| [[image:myLVS-WS-02.png|380px|center]]
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| |}
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| ==Sample request from a Windows client using perl==
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| {| style="width: 80%;"
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| |style="width:40%; vertical-align: top;"|
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| Same procedure then above
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| #!/usr/bin/perl -w
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| use SOAP::Lite; # + qw/ trace /;
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| my $soap = SOAP::Lite
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| -> uri('urn:lvs')
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| -> proxy('http://ws.mylvs.foo/cgi-bin/lvs.cgi');
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| my $result = $soap->WHATISMYIP ();
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| unless ($result->fault) {
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| print $result->result();
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| } else {
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| print join ', ',
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| $result->faultcode,
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| $result->faultstring;
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| }
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| Sample script (test.pl):
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| C:\Users\Administrator\Documents\lvs>'''perl test.pl'''
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| '''200 192.168.2.221'''
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| |style="width:45%; vertical-align: top;"|
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| <br><br>
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| [[image:myLVS-WS-01.png|380px|center]]
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| |}
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| ==Sample request from a Windows client using cscript with MSXML ==
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| {| style="width: 80%;"
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| |style="width:40%; vertical-align: top;"|
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| Set xmlReq = CreateObject("MSXML2.DOMDocument.6.0")
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| request="<SOAP-ENV:Envelope xmlns:xsi='http://www.w3.org/1999/XMLSchema-instance' "
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| request = request & "xmlns:SOAP-ENC='http://schemas.xmlsoap.org/soap/encoding/' "
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| request = request & "xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/envelope/' "
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| request = request & "xmlns:xsd='http://www.w3.org/1999/XMLSchema' "
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| request = request & "SOAP-ENV:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/'>"
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| request = request & "<SOAP-ENV:Body><mylvs:'''WHATISMYIP''' xmlns:mylvs='urn:lvs'/>"
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| 'request = request & "<c-gensym3 xsi:type='xsd:string'>192.168.xx.yy</c-gensym3>" 'alternative param
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| request = request & "</SOAP-ENV:Body></SOAP-ENV:Envelope>"
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| xmlReq.loadXML request 'load our request
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| Set xmlRes = CreateObject("MSXML2.XMLHTTP.6.0")
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| xmlRes.open "POST", '''"http://ws.mylvs.foo/cgi-bin/lvs.cgi"'''
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| xmlRes.send (xmlReq)
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| while xmlRes.readyState <> 4
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| wend
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| Set objDispatch = xmlRes.responseXML
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| set xmlDoc = CreateObject("MSXML2.DOMDocument")
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| xmlDoc.Load objDispatch
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| WScript.Echo xmlDoc.selectSingleNode("//WHATISMYIPResponse").text
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| Sample script (test.vbs):
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| C:\Users\Administrator\Documents\lvs>'''cscript test.vbs //Nologo'''
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| '''200 192.168.2.221'''
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| |style="width:45%; vertical-align: top;"|
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| <br><br><br>
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| [[image:myLVS-WS-01.png|380px|center]]
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| |}
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| ==Sample request from a Windows client using cscript with SoapLite==
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| {| style="width: 80%;"
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| |style="width:40%; vertical-align: top;"|
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| Soaplite is a smart way to handle our request. It still runs as 32bit application on Server2012<br>
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| but it requires the 32bit part of cscript.
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| *Description: http://conf.soaplite.com/p2p/40.html
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| *Binary: http://soaplite.com/download/SOAP-Lite-COM-standalone-latest.zip
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| Soaplite must be registered with the 32bit part of regsvr:
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| C:\Users\Administrator\Documents\lvs>c:\Windows\SysWOW64\regsvr32.exe Lite.dll
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| Sample script (test-lite.vbs):
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| strSoapProxy="http://ws.mylvs.foo/cgi-bin/lvs.cgi"
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| strSoapURI = "urn:lvs"
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| set wso = CreateObject("SOAP.Lite").new("proxy", strSoapProxy, "uri",strSoapURI )
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| 'wscript.echo wso.WHATISMYIP(strBLA).result 'Sample for an alternative parameter
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| wscript.echo wso.WHATISMYIP().result
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| C:\Users\Administrator\Documents\lvs>c:\Windows\SysWOW64\cscript.exe test-lite.vbs //nologo
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| '''200 192.168.2.221'''
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| |style="width:45%; vertical-align: top;"|
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| <br><br><br>
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| [[image:myLVS-WS-01.png|380px|center]]
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| |}
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| =Functions=
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| *The LVS-WFE Webservice offers the following functions:
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| <br>
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| {| style="text-align:left; background:#eeeeee;" border="1"
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| |-style="background:#aaaaaa"
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| ! Function !! Optional Paramter !! Description !! Return
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| |- style="color:black;"
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| |-
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| | REQUESTWEIGHTDOWN || String (a ip address like 192.168.1.1) || Request to set the host offline || String (Code(d{3}) Description
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| |-
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| | REQUESTWEIGHTUP || String (a ip address like 192.168.1.1) || Request to set the host online || String (Code(d{3}) Description
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| |-
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| | REQUESTWEIGHTSTATUS || String (a ip address like 192.168.1.1) || Request the current status || String (Code(d{3}) Description
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| |-
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| | REQUESTGROUPINFORMATION || String (a ip address like 192.168.1.1) || Request the current group configuration || String (Code(d{3}) Description
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| |-
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| | WHATISMYIP || -|| - || -
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| |}
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| <br>
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| =Return Codes=
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| *The LVS-WFE Webservice retruns the following codes:
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| *Log Categories
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| **2nn = Success
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| **3nn = Logical Errors
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| **4nn = Functional Errors
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| **5nn = Access or Request Errors
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| <br>
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| {| style="text-align:left; background:#eeeeee;" border="1"
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| |-style="background:#aaaaaa"
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| ! Code !! Description !! Return
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| |- style="color:black;"
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| |-
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| | '''200''' || '''Request accepted (function defined message)''' || '''True'''
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| |-
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| | 300 || WeigthDown in process || False
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| |-
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| | 301 || TurnOff in process || False
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| |-
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| | 302 || Another maintenance service is already running || False
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| |-
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| | 304 || Host has already maintenance running, please come back later || False
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| |-
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| | 305 || Host has already ip renew set, please come back later || False
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| |-
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| | 306 || Host has already ip renewed a few minutes ago, please come back later || False
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| |-
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| | 307 || Host not found in inventory || False
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| |-
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| | 407 || IP renew is not set (debugging only) || False
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| |-
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| | 408 || Function not supported (debugging only) || False
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| |-
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| | 500 || Access denied or Request Refused || False
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| |-
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| | 501 || Access denied - update failed, contact IT-Admin || False
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| |-
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| |}
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| <br>
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