[30960] | 1 | Puppet::Type.type(:file_line).provide(:ruby) do
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| 2 | def exists?
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| 3 | if resource[:replace].to_s != 'true' and count_matches(match_regex) > 0
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| 4 | true
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| 5 | else
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| 6 | lines.find do |line|
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| 7 | if resource[:ensure].to_s == 'absent' and resource[:match_for_absence].to_s == 'true'
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| 8 | line.chomp =~ Regexp.new(resource[:match])
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| 9 | else
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| 10 | line.chomp == resource[:line].chomp
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| 11 | end
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| 12 | end
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| 13 | end
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| 14 | end
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| 15 |
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| 16 | def create
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| 17 | unless resource[:replace].to_s != 'true' and count_matches(match_regex) > 0
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| 18 | if resource[:match]
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| 19 | handle_create_with_match
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| 20 | elsif resource[:after]
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| 21 | handle_create_with_after
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| 22 | else
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| 23 | append_line
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| 24 | end
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| 25 | end
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| 26 | end
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| 27 |
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| 28 | def destroy
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| 29 | if resource[:match_for_absence].to_s == 'true' and resource[:match]
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| 30 | handle_destroy_with_match
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| 31 | else
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| 32 | handle_destroy_line
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| 33 | end
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| 34 | end
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| 35 |
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| 36 | private
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| 37 | def lines
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| 38 | # If this type is ever used with very large files, we should
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| 39 | # write this in a different way, using a temp
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| 40 | # file; for now assuming that this type is only used on
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| 41 | # small-ish config files that can fit into memory without
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| 42 | # too much trouble.
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| 43 | @lines ||= File.readlines(resource[:path])
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| 44 | end
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| 45 |
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| 46 | def match_regex
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| 47 | resource[:match] ? Regexp.new(resource[:match]) : nil
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| 48 | end
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| 49 |
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| 50 | def handle_create_with_match()
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| 51 | regex_after = resource[:after] ? Regexp.new(resource[:after]) : nil
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| 52 | match_count = count_matches(match_regex)
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| 53 |
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| 54 | if match_count > 1 && resource[:multiple].to_s != 'true'
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| 55 | raise Puppet::Error, "More than one line in file '#{resource[:path]}' matches pattern '#{resource[:match]}'"
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| 56 | end
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| 57 |
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| 58 | File.open(resource[:path], 'w') do |fh|
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| 59 | lines.each do |l|
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| 60 | fh.puts(match_regex.match(l) ? resource[:line] : l)
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| 61 | if (match_count == 0 and regex_after)
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| 62 | if regex_after.match(l)
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| 63 | fh.puts(resource[:line])
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| 64 | match_count += 1 #Increment match_count to indicate that the new line has been inserted.
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| 65 | end
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| 66 | end
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| 67 | end
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| 68 |
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| 69 | if (match_count == 0)
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| 70 | fh.puts(resource[:line])
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| 71 | end
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| 72 | end
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| 73 | end
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| 74 |
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| 75 | def handle_create_with_after
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| 76 | regex = Regexp.new(resource[:after])
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| 77 | count = count_matches(regex)
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| 78 |
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| 79 | if count > 1 && resource[:multiple].to_s != 'true'
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| 80 | raise Puppet::Error, "#{count} lines match pattern '#{resource[:after]}' in file '#{resource[:path]}'. One or no line must match the pattern."
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| 81 | end
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| 82 |
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| 83 | File.open(resource[:path], 'w') do |fh|
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| 84 | lines.each do |l|
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| 85 | fh.puts(l)
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| 86 | if regex.match(l) then
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| 87 | fh.puts(resource[:line])
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| 88 | end
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| 89 | end
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| 90 | end
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| 91 |
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| 92 | if (count == 0) # append the line to the end of the file
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| 93 | append_line
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| 94 | end
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| 95 | end
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| 96 |
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| 97 | def count_matches(regex)
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| 98 | lines.select{|l| l.match(regex)}.size
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| 99 | end
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| 100 |
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| 101 | def handle_destroy_with_match
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| 102 | match_count = count_matches(match_regex)
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| 103 | if match_count > 1 && resource[:multiple].to_s != 'true'
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| 104 | raise Puppet::Error, "More than one line in file '#{resource[:path]}' matches pattern '#{resource[:match]}'"
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| 105 | end
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| 106 |
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| 107 | local_lines = lines
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| 108 | File.open(resource[:path],'w') do |fh|
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| 109 | fh.write(local_lines.reject{|l| match_regex.match(l) }.join(''))
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| 110 | end
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| 111 | end
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| 112 |
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| 113 | def handle_destroy_line
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| 114 | local_lines = lines
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| 115 | File.open(resource[:path],'w') do |fh|
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| 116 | fh.write(local_lines.reject{|l| l.chomp == resource[:line] }.join(''))
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| 117 | end
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| 118 | end
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| 119 |
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| 120 | ##
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| 121 | # append the line to the file.
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| 122 | #
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| 123 | # @api private
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| 124 | def append_line
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| 125 | File.open(resource[:path], 'w') do |fh|
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| 126 | lines.each do |l|
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| 127 | fh.puts(l)
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| 128 | end
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| 129 | fh.puts resource[:line]
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| 130 | end
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| 131 | end
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| 132 | end
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