Certainly user VMs cannot. But system vms can access the management server, typically on port 8250. One option might be to poll the VPX (depending on how many there are) for autoscaling triggers from the MS.
On 7/11/12 6:18 AM, "Ram Ganesh" <[email protected]> wrote: >Alex, > >> You need to start the vpx with a nic in the management network. In >> CloudStack code, SSVM (Secondary Storage Virtual Machine) and CPVM >> (Console Proxy Virtual Machine) both have examples of this. They both >> have agents that connect back to CS Management server over the >> management network. > >Yes we can add a nic(vif) to a vpx in the management network and ensure >reach ability to the CS mgmt server. But how about the CS mgmt ports such >as 8080/443 - they may be blocked by intermediate firewall/VR? Also >please note unlike SSVM from vpx we may be able to issue a finite ( >restricted) set of CS API calls so we may not be able to issue firewall >rule related API calls. Also the load balancer devices can be placed into >network from outside the context of CloudStack and later the device can >be added into CloudStack using addNetscalerLoadbalancer()API. > >So to put it another way - Can the VMs spread across various guest >networks reach out to the CS mgmt server using a same IP ? > > >Thanks, >Ram >
