Puppet Function: percona_hash_print_section

Defined in:
lib/puppet/parser/functions/percona_hash_print_section.rb
Function type:
Ruby 3.x API

Overview

percona_hash_print_section() ⇒ Any

Prints (returns a string) a single section from a hash created by percona_hash merge to a my.cnf style. Options that have :ensure absent are not printed.

This does not include the section header [section]. Use percona_hash_print() if you want that.

The first argument should be the hash to work on to print as created by percona_hash_merge().

The second argument should be the section to print..

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/percona_hash_print_section.rb', line 4

newfunction(:percona_hash_print_section,
            :type => :rvalue, :doc => <<-EODOC

Prints (returns a string) a single section from a hash created by percona_hash
merge to a my.cnf style. Options that have :ensure absent are not printed.

This does not include the section header [section]. Use percona_hash_print() if you want that.

The first argument should be the hash to work on to print as created by percona_hash_merge().

The second argument should be the section to print..

EODOC

) do |args|

  args = [args] unless args.is_a?(Array)

  unless args.length == 2
    raise( Puppet::ParseError,
          "percona_hash_print_section(): wrong number of arguments (#{args.length}; must be 2)")
  end

  hash = args.shift
  section = args.shift

  raise(Puppet::ParseError, 'percona_hash_print_section(): First argument (hash) should be a Hash') unless hash.is_a?(Hash)
  raise(Puppet::ParseError, 'percona_hash_print_section(): Second argument (section) should be a String') unless section.is_a?(String)

  result = []
  hash.each do |key, element|
    # Only print keys for the section we are printing
    # and that have ensure 'present'
    if element[:section] == section and element[:ensure] == 'present'
      if element[:value] == :undef
        result << "#{element[:key]}"
      elsif element[:value].is_a?(Array)
        result += element[:value].map {|v| "#{element[:key]} = #{v}" }
      else
        result << "#{element[:key]} = #{element[:value]}"
      end
    end
  end

  result.sort.join("\n")
end