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Versions: 50
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Stored size: 1.49 KB
Contents
# discovers against a flatfile instead of the traditional network discovery
# the flat file must have a node name per line which should match identities
# as configured
module MCollective
class Discovery
class Flatfile
def self.discover(filter, timeout, limit=0, client=nil)
unless client.options[:discovery_options].empty?
file = client.options[:discovery_options].first
else
raise "The flatfile discovery method needs a path to a text file"
end
raise "Cannot read the file %s specified as discovery source" % file unless File.readable?(file)
discovered = []
hosts = []
File.readlines(file).each do |host|
host = host.chomp.strip
if host.empty? || host.match(/^#/)
next
end
raise 'Identities can only match /^[\w\.\-]+$/' unless host.match(/^[\w\.\-]+$/)
hosts << host
end
# this plugin only supports identity filters, do regex matches etc against
# the list found in the flatfile
if !(filter["identity"].empty?)
filter["identity"].each do |identity|
identity = Regexp.new(identity.gsub("\/", "")) if identity.match("^/")
if identity.is_a?(Regexp)
discovered = hosts.grep(identity)
elsif hosts.include?(identity)
discovered << identity
end
end
else
discovered = hosts
end
discovered
end
end
end
end
Version data entries
50 entries across 50 versions & 3 rubygems