Class: OVSImager::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/ovsimager/utils.rb

Class Method Summary collapse

Class Method Details

.escape_nodename(name) ⇒ Object 



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# File 'lib/ovsimager/utils.rb', line 19

def self.escape_nodename(name)
  name.to_s.gsub('-', '_')
end

.execute(cmd, root = false) ⇒ Object 



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# File 'lib/ovsimager/utils.rb', line 10

def self.execute(cmd, root=false)
  root_helper = self.get_root_helper(root)
  out = `#{root_helper}#{cmd}`
  if $? != 0
    raise "command execution failure: #{$?}"
  end
  return out
end

.get_root_helper(root = true) ⇒ Object 



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# File 'lib/ovsimager/utils.rb', line 5

def self.get_root_helper(root=true)
  return '' if not root or Process::UID.eid == 0
  root ? 'sudo ' : ''
end