SDK API to use to check the status of the host after RebootHost_Task API perl for VMware

I use the RebootHost_Task API, ping the server ESX to check if it is in place (using the Net::Ping module), then using ExitMaintenanceMode_Task to get out of the mode of maintenance for the ESX Server.

I sometimes lack of InvalidHostConnectionState when I trigger ExitMaintenanceMode_Task. This is because even if the ESX host is to ping requests, the SOAP request has failed. What Vmware perl API SDK can be used to check the status of the host before triggering the aPI ExitMaintenanceMode_Task

Probably the best way is to check the HostSystem runtime.connectionState.

$host = Vim::find_entity_view (view_type-online 'HostSystem', properties-online ['name', 'runtime.connectionState'], filter => {-online $host_name 'name'});

$connected = 0;

until the ($connected) {}

$host-> update_view_data();

$connected = $host-> {'runtime.connectionState'};

# Add a timeout here break

}

#.. .do something with newly restarted host

I also used the runtime.bootTime in the past, where I waited for the value is longer than the previous string XSD time recorded before the restart request (with a long timeout to avoid problems).  It's better than the connectionState option since it manages the window between the restart request and the actual restart.  It * doesn't * updated until the host is connected again (and available to call you to leave the maintenanceMode).

These values using works even when the host is not connected (cached by the vCenter API service), so you can wait for them to change (and in the case of connectionState, once again).  You'll just take into account the window of the application restart and real reboot before you start querying using connectionState.

You can probably drop your logic of ping, so if encode you correctly around the State API variables for the host.

Tags: VMware

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