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Contents
module MCollective
module Util
class Playbook
class Nodes
class ShellNodes
def initialize
@script = nil
end
def prepare; end
def validate_configuration!
raise("No node source script specified") unless @script
raise("Node source script is not executable") unless File.executable?(@script)
raise("Node source script produced no results") if data.empty?
end
def from_hash(data)
@script = data["script"]
@_data = nil
self
end
def valid_hostname?(host)
host =~ /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$/
end
def data
return @_data if @_data
shell = Shell.new(@script, "timeout" => 10)
shell.runcommand
exitcode = shell.status.exitstatus
raise("Could not discover nodes via shell method, command exited with code %d" % [exitcode]) unless exitcode == 0
@_data = shell.stdout.lines.map do |line|
line.chomp!
raise("%s is not a valid hostname" % line) unless valid_hostname?(line)
line
end
end
def discover
data
end
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems