example to mount nfs datastore on a host or cluster of hosts

examples/nfs_datastore.rb

@@ -0,0 +1,95 @@
+#!/usr/bin/env ruby
+require 'trollop'
+require 'rbvmomi'
+require 'rbvmomi/trollop'
+
+VIM = RbVmomi::VIM
+CMDS = %w(mount unmount)
+
+opts = Trollop.options do
+  banner <<-EOS
+Mount/Unmount an NFS datastore from a cluster or single host system.
+
+Usage:
+    nfs_datastore.rb [options] resource mount nfs-hostname:/remote/path [name]
+    nfs_datastore.rb [options] resource unmount nfs-hostname:/remote/path [name]
+
+Commands: #{CMDS * ' '}
+
+VIM connection options:
+    EOS
+
+    rbvmomi_connection_opts
+
+    text <<-EOS
+
+VM location options:
+    EOS
+
+    rbvmomi_datacenter_opt
+
+    text <<-EOS
+
+Other options:
+  EOS
+
+  stop_on CMDS
+end
+
+Trollop.die("must specify host") unless opts[:host]
+
+cr_path = ARGV[0] or Trollop.die("no system name given")
+cmd = ARGV[1] or Trollop.die("no command given")
+abort "invalid command" unless CMDS.member? cmd
+nfs_spec = ARGV[2] or Trollop.die("no nfs path given")
+remoteHost, remotePath = nfs_spec.split(":")
+localPath = ARGV[3] || remoteHost
+mode = "readOnly" #hardcoded.
+
+vim = VIM.connect opts
+dc = vim.serviceInstance.find_datacenter(opts[:datacenter]) or abort "datacenter not found"
+cr = dc.find_compute_resource(cr_path) || dc.hostFolder.children.find(cr_path).first
+abort "compute resource not found" unless cr
+
+case cr
+when VIM::ClusterComputeResource
+  hosts = cr.host
+when VIM::ComputeResource
+  hosts = [cr]
+else
+  abort "invalid resource"
+end
+
+hosts.each do |host|
+  hds = host.configManager.datastoreSystem
+
+  ds = hds.datastore.select {|ds|
+    ds.info.respond_to?(:nas) and
+    ds.info.name == localPath and
+    ds.info.nas.remoteHost == remoteHost and
+    ds.info.nas.remotePath == remotePath
+  }.first
+
+  case cmd
+  when 'mount'
+    if ds
+      puts "already mounted on #{host.name} as #{ds.name}"
+    else
+      ds =
+        hds.CreateNasDatastore(:spec => VIM.HostNasVolumeSpec(:remoteHost => remoteHost,
+                                                              :remotePath => remotePath,
+                                                              :localPath  => localPath,
+                                                              :accessMode => mode))
+      puts "mounted on #{host.name} as #{ds.name}"
+    end
+  when 'unmount'
+    if ds
+      hds.RemoveDatastore(:datastore => ds)
+      puts "unmounted from #{host.name}"
+    else
+      puts "not mounted on #{host.name}"
+    end
+  else
+    abort "invalid command"
+  end
+end