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author | Jeff McCune <jeff@puppetlabs.com> | 2012-08-14 10:08:41 -0700 |
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committer | Jeff McCune <jeff@puppetlabs.com> | 2012-08-14 10:08:41 -0700 |
commit | 77262494b368c115da2a71c4a53e2a9bd21ff2aa (patch) | |
tree | 0ded58647c134dafa32604725b010f32a465164f /lib/puppet/provider/file_line/ruby.rb | |
parent | f30885118843f2eef15c048fe2cb504d7eaf8f77 (diff) | |
parent | a06c0d8115892a74666676b50d4282df9850a119 (diff) | |
download | puppet-stdlib-77262494b368c115da2a71c4a53e2a9bd21ff2aa.tar.gz puppet-stdlib-77262494b368c115da2a71c4a53e2a9bd21ff2aa.tar.bz2 |
Merge branch 'feature/2.4.x/backport_file_line_match_pr75' into 2.4.x
* feature/2.4.x/backport_file_line_match_pr75:
Add support for a 'match' parameter to file_line
Diffstat (limited to 'lib/puppet/provider/file_line/ruby.rb')
-rw-r--r-- | lib/puppet/provider/file_line/ruby.rb | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/lib/puppet/provider/file_line/ruby.rb b/lib/puppet/provider/file_line/ruby.rb index f5d3a32..e21eaa8 100644 --- a/lib/puppet/provider/file_line/ruby.rb +++ b/lib/puppet/provider/file_line/ruby.rb @@ -1,3 +1,4 @@ + Puppet::Type.type(:file_line).provide(:ruby) do def exists? @@ -7,8 +8,10 @@ Puppet::Type.type(:file_line).provide(:ruby) do end def create - File.open(resource[:path], 'a') do |fh| - fh.puts resource[:line] + if resource[:match] + handle_create_with_match() + else + handle_create_without_match() end end @@ -21,7 +24,36 @@ Puppet::Type.type(:file_line).provide(:ruby) do private def lines + # If this type is ever used with very large files, we should + # write this in a different way, using a temp + # file; for now assuming that this type is only used on + # small-ish config files that can fit into memory without + # too much trouble. @lines ||= File.readlines(resource[:path]) end + def handle_create_with_match() + regex = resource[:match] ? Regexp.new(resource[:match]) : nil + match_count = lines.select { |l| regex.match(l) }.count + if match_count > 1 + raise Puppet::Error, "More than one line in file '#{resource[:path]}' matches pattern '#{resource[:match]}'" + end + File.open(resource[:path], 'w') do |fh| + lines.each do |l| + fh.puts(regex.match(l) ? resource[:line] : l) + end + + if (match_count == 0) + fh.puts(resource[:line]) + end + end + end + + def handle_create_without_match + File.open(resource[:path], 'a') do |fh| + fh.puts resource[:line] + end + end + + end |