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# Translation of vGhetto vdf, originally by William Lam
require 'trollop'
require 'rbvmomi'
require 'rbvmomi/trollop'
VIM = RbVmomi::VIM
opts = Trollop.options do
banner <<-EOS
Display utilization of each datastore in the datacenter.
Usage:
vdf.rb [options]
VIM connection options:
EOS
rbvmomi_connection_opts
text <<-EOS
Datacenter selection:
EOS
rbvmomi_datacenter_opt
text <<-EOS
Other options:
EOS
end
Trollop.die("must specify host") unless opts[:host]
vim = VIM.connect opts
dc = vim.serviceInstance.find_datacenter(opts[:datacenter]) or abort "datacenter not found"
def si n
['', 'K', 'M', 'G', 'T', 'P'].each_with_index do |x,i|
v = n.to_f/(1000**i)
return v,x if v < 1000 or x == 'P'
end
end
def unit n, u, p
"%.*g%s%s" % [p, si(n), u].flatten
end
def b n
unit(n,'B',3)
end
puts "Filesystem#{' '*53}Size Used Avail Use% Mounted on"
fmt = "%-62s %-8s %-8s %-8s %-8s %s"
if false
# simple version
dc.datastore.sort_by { |ds| ds.info.url }.each do |ds|
s = ds.summary
next unless s.accessible
size = s.capacity
free = s.freeSpace
used = size - free
pct_used = used*100.0/size
puts(fmt % [ds.info.url, b(size), b(used), b(free), unit(pct_used,'%',3), ds.name])
end
else
# fast version
paths = %w(name info.url summary.accessible summary.capacity summary.freeSpace)
propSet = [{ :type => 'Datastore', :pathSet => paths }]
filterSpec = { :objectSet => dc.datastore.map { |ds| { :obj => ds } }, :propSet => propSet }
data = vim.propertyCollector.RetrieveProperties(:specSet => [filterSpec])
data.select { |d| d['summary.accessible'] }.sort_by { |d| d['info.url'] }.each do |d|
size = d['summary.capacity']
free = d['summary.freeSpace']
used = size - free
pct_used = used*100.0/size
puts(fmt % [d['info.url'], b(size), b(used), b(free), unit(pct_used,'%',3), d['name']])
end
end
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