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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Rodrique and mailing list,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Many thanks for your hint. The contextualisation is exactly what I was looking for!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>My next question might not be appropriate for this mailing list, but does anyone know if there is a similar mechanism also available in Bonfire (http://doc.bonfire-project.eu/) ? I heard that some of you have some experiences with this project as well.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thorsten Papenbrock<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rodrigue.chakode@gmail.com [mailto:rodrigue.chakode@gmail.com] <b>On Behalf Of </b>Rodrigue Chakode<br><b>Sent:</b> 28 February 2012 11:38<br><b>To:</b> Papenbrock, Thorsten<br><b>Cc:</b> ecosystem@lists.opennebula.org<br><b>Subject:</b> Re: [one-ecosystem] Read VM ID from inside a running VM<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Is there a way to query this VM ID from inside the VM? Or can I configure OpenNebula to automatically store the VM ID in, for example, a text file inside a VM when it creates the VM? It would also help if the application could query an IP-to-VM ID mapping from OpenNebula, if such a mapping exists for VMs that are created with bridged DHCP network access.<o:p></o:p></p></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>This goal can be easily achieved through contextualisation data (<a href="http://opennebula.org/documentation:archives:rel2.2:cong">http://opennebula.org/documentation:archives:rel2.2:cong</a>), notably by using the variables $VMID<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> --------------------- Original message was: ---------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>Hello mailing list,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I built a small application that uses the OCCI and EC2 interface to automatically start and delete Virtual Machines in my private OpenNebula cloud. Each VM runs a service that reports how busy a certain VM actually is. Using this service, my application creates and deletes VMs depending on the overall load of the cluster.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Now, my problem is that I always want to delete the VM with the lowest load, but the application does not know the VM to which a particular service belongs. Therefore, I need to know the VM ID, which has been assigned automatically by OpenNebula, from inside a running VM. Then, each service could also report the VM ID to my application so that it can delete the right VM.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there a way to query this VM ID from inside the VM? Or can I configure OpenNebula to automatically store the VM ID in, for example, a text file inside a VM when it creates the VM? It would also help if the application could query an IP-to-VM ID mapping from OpenNebula, if such a mapping exists for VMs that are created with bridged DHCP network access.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many thanks for your help in advance,<o:p></o:p></p><p class=MsoNormal>Thorsten Papenbrock<span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></div></body></html>