Extract useful information from an RVTools ESX inventory file
Extract useful information from an RVTools ESX inventory file.
Purpose of that module
Did you have ever ask to an VMWare administrator to have an access to his vCenter to run some scripts by API ? No ? Me yes and a least that can i say : it’s not easy ! ;-)
More seriously, it very often hard to get access to this kind of VM because it’s very sensitive part of the infrastructure and because the guys generally are not in the same team as you and they not trust you (neither in your scripts !), so it does not help. But, to be honest, you’ll probably do the same thing if the situation was reversed.
But sometimes, they can send you an RVTools extraction (so an Excel file) from that vCenter and you want to use it in a Python script. You’ll prefer have to access directly to the vCenter by API call to get fresh data but it’s better than nothing…
That’s why i coded this library : to help to use this kind of inputs to extract some useful information from it.
How to install it
You can install pyRvtools by using pip :
pip install pyrvtools
How to use it
You can search for 5 kind of major objects with that module: - DataCenter - Clusters - Hosts - DataStores - VirtualMachine
Each of them have a specific number of properties. You can iterate on all object or focus only on one of them giving his name.
Here is some examples (please refer to the list of properties below if you’re looking for a metric):
import os from pyrvtools import PyRvtools PATH = os.sep.join(['your_path', 'your_file.xls']) rvtools = PyRvtools(PATH) # For all the dataCenters for dc in rvtools.get_datacenters(): print('DC: %s Clusters: %s' % (dc, dc.clusters)) # Only for a specific DataCenter one_dc = rvtools.get_datacenter_by_name('MY_DC') print('DC: %s Clusters: %s' % (one_dc, one_dc.clusters)) # For all the Cluster for cluster in rvtools.get_clusters(): print('Cluster: %s Hosts: %s' % (cluster, cluster.hosts)) # Only for a specific Cluster one_cluster = rvtools.get_clusters_by_name('MY_CLUSTER') print('Cluster: %s Hosts: %s' % (one_cluster, one_cluster.hosts)) # For all the DataStores for ds in rvtools.get_datastores(): print('DS: %s Hosts: %s' % (ds, ds.hosts)) # Only for a specific DataStore one_ds = rvtools.get_datastore_by_name('MY_DS') print('DS: %s Hosts: %s' % (one_ds, one_ds.hosts)) # For all the hosts for esx in rvtools.get_hosts(): print('ESX: %s VM:%s' % (esx, esx.vm)) # Only for a specific host one_esx = rvtools.get_host_by_name('MY_ESX_NAME') print('ESX: %s VM:%s' % (one_esx, one_esx.vm)) # For all the VirtualMachine for vm in rvtools.get_vm(): print('VM: %s DataStore:%s' % (vm, vm.datastore)) # Only for a specific VM one_vm = rvtools.get_vm_by_name('MY_VM') print('VM: %s DataStore:%s' % (one_vm, one_vm.datastore))
Properties of objects
Cluster - datacenter - hosts
DataCenter - clusters - hosts
DataStore - capacity_mb - free_mb - free_percent - hosts - inuse_mb - naa - number_of_hosts - number_of_vms - provisioned_mb - sioc_enable - type - version
Host - boot_time - cluster - cpu_usage_percent - datacenter - esx_version - hba - memory_mb - memory_usage_percent - model - number_of_cores - number_of_cpu - number_of_vcpu - number_of_vm - vm
VirtualMachine - cluster - cpu - datacenter - datastore - host - inuse_mb - memory - os - power_on - power_state - provisioned_mb - unshared_mb - vmdk - vnetwork - vpartition
This library is licensed under GPL3.
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