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-rw-r--r--lib/puppet/provider/file_line/ruby.rb37
-rw-r--r--lib/puppet/type/file_line.rb4
-rw-r--r--spec/unit/puppet/provider/file_line/ruby_spec.rb194
3 files changed, 164 insertions, 71 deletions
diff --git a/lib/puppet/provider/file_line/ruby.rb b/lib/puppet/provider/file_line/ruby.rb
index 3cb9f6e..94e7fac 100644
--- a/lib/puppet/provider/file_line/ruby.rb
+++ b/lib/puppet/provider/file_line/ruby.rb
@@ -1,5 +1,4 @@
Puppet::Type.type(:file_line).provide(:ruby) do
-
def exists?
lines.find do |line|
line.chomp == resource[:line].chomp
@@ -8,9 +7,11 @@ Puppet::Type.type(:file_line).provide(:ruby) do
def create
if resource[:match]
- handle_create_with_match()
+ handle_create_with_match
+ elsif resource[:after]
+ handle_create_with_after
else
- handle_create_without_match()
+ append_line
end
end
@@ -48,11 +49,35 @@ Puppet::Type.type(:file_line).provide(:ruby) do
end
end
- def handle_create_without_match
+ def handle_create_with_after
+ regex = Regexp.new(resource[:after])
+
+ count = lines.count {|l| l.match(regex)}
+
+ case count
+ when 1 # find the line to put our line after
+ File.open(resource[:path], 'w') do |fh|
+ lines.each do |l|
+ fh.puts(l)
+ if regex.match(l) then
+ fh.puts(resource[:line])
+ end
+ end
+ end
+ when 0 # append the line to the end of the file
+ append_line
+ else
+ raise Puppet::Error, "#{count} lines match pattern '#{resource[:after]}' in file '#{resource[:path]}'. One or no line must match the pattern."
+ end
+ end
+
+ ##
+ # append the line to the file.
+ #
+ # @api private
+ def append_line
File.open(resource[:path], 'a') do |fh|
fh.puts resource[:line]
end
end
-
-
end
diff --git a/lib/puppet/type/file_line.rb b/lib/puppet/type/file_line.rb
index 14946bb..323fc4c 100644
--- a/lib/puppet/type/file_line.rb
+++ b/lib/puppet/type/file_line.rb
@@ -42,6 +42,10 @@ Puppet::Type.newtype(:file_line) do
newvalues(true, false)
end
+ newparam(:after) do
+ desc 'An optional value used to specify the line after which we will add any new lines. (Existing lines are added in place)'
+ end
+
newparam(:line) do
desc 'The line to be appended to the file located by the path parameter.'
end
diff --git a/spec/unit/puppet/provider/file_line/ruby_spec.rb b/spec/unit/puppet/provider/file_line/ruby_spec.rb
index 648c05b..65b5d20 100644
--- a/spec/unit/puppet/provider/file_line/ruby_spec.rb
+++ b/spec/unit/puppet/provider/file_line/ruby_spec.rb
@@ -3,33 +3,36 @@ require 'tempfile'
provider_class = Puppet::Type.type(:file_line).provider(:ruby)
describe provider_class do
context "when adding" do
- before :each do
- # TODO: these should be ported over to use the PuppetLabs spec_helper
- # file fixtures once the following pull request has been merged:
- # https://github.com/puppetlabs/puppetlabs-stdlib/pull/73/files
+ let :tmpfile do
tmp = Tempfile.new('tmp')
- @tmpfile = tmp.path
+ path = tmp.path
tmp.close!
- @resource = Puppet::Type::File_line.new(
- {:name => 'foo', :path => @tmpfile, :line => 'foo'}
+ path
+ end
+ let :resource do
+ Puppet::Type::File_line.new(
+ {:name => 'foo', :path => tmpfile, :line => 'foo'}
)
- @provider = provider_class.new(@resource)
end
+ let :provider do
+ provider_class.new(resource)
+ end
+
it 'should detect if the line exists in the file' do
- File.open(@tmpfile, 'w') do |fh|
+ File.open(tmpfile, 'w') do |fh|
fh.write('foo')
end
- @provider.exists?.should be_true
+ provider.exists?.should be_true
end
it 'should detect if the line does not exist in the file' do
- File.open(@tmpfile, 'w') do |fh|
+ File.open(tmpfile, 'w') do |fh|
fh.write('foo1')
end
- @provider.exists?.should be_nil
+ provider.exists?.should be_nil
end
it 'should append to an existing file when creating' do
- @provider.create
- File.read(@tmpfile).chomp.should == 'foo'
+ provider.create
+ File.read(tmpfile).chomp.should == 'foo'
end
end
@@ -52,71 +55,132 @@ describe provider_class do
@provider = provider_class.new(@resource)
end
- it 'should raise an error if more than one line matches, and should not have modified the file' do
- File.open(@tmpfile, 'w') do |fh|
- fh.write("foo1\nfoo=blah\nfoo2\nfoo=baz")
+ describe 'using match' do
+ it 'should raise an error if more than one line matches, and should not have modified the file' do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo=blah\nfoo2\nfoo=baz")
+ end
+ @provider.exists?.should be_nil
+ expect { @provider.create }.to raise_error(Puppet::Error, /More than one line.*matches/)
+ File.read(@tmpfile).should eql("foo1\nfoo=blah\nfoo2\nfoo=baz")
end
- @provider.exists?.should be_nil
- expect { @provider.create }.to raise_error(Puppet::Error, /More than one line.*matches/)
- File.read(@tmpfile).should eql("foo1\nfoo=blah\nfoo2\nfoo=baz")
- end
- it 'should replace all lines that matches' do
- @resource = Puppet::Type::File_line.new(
+ it 'should replace all lines that matches' do
+ @resource = Puppet::Type::File_line.new(
{
- :name => 'foo',
- :path => @tmpfile,
- :line => 'foo = bar',
- :match => '^foo\s*=.*$',
- :multiple => true
+ :name => 'foo',
+ :path => @tmpfile,
+ :line => 'foo = bar',
+ :match => '^foo\s*=.*$',
+ :multiple => true
}
- )
- @provider = provider_class.new(@resource)
- File.open(@tmpfile, 'w') do |fh|
- fh.write("foo1\nfoo=blah\nfoo2\nfoo=baz")
+ )
+ @provider = provider_class.new(@resource)
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo=blah\nfoo2\nfoo=baz")
+ end
+ @provider.exists?.should be_nil
+ @provider.create
+ File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2\nfoo = bar")
+ end
+
+ it 'should raise an error with invalid values' do
+ expect {
+ @resource = Puppet::Type::File_line.new(
+ {
+ :name => 'foo',
+ :path => @tmpfile,
+ :line => 'foo = bar',
+ :match => '^foo\s*=.*$',
+ :multiple => 'asgadga'
+ }
+ )
+ }.to raise_error(Puppet::Error, /Invalid value "asgadga"\. Valid values are true, false\./)
+ end
+
+ it 'should replace a line that matches' do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo=blah\nfoo2")
+ end
+ @provider.exists?.should be_nil
+ @provider.create
+ File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2")
+ end
+ it 'should add a new line if no lines match' do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo2")
+ end
+ @provider.exists?.should be_nil
+ @provider.create
+ File.read(@tmpfile).should eql("foo1\nfoo2\nfoo = bar\n")
+ end
+ it 'should do nothing if the exact line already exists' do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo = bar\nfoo2")
+ end
+ @provider.exists?.should be_true
+ @provider.create
+ File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2")
end
- @provider.exists?.should be_nil
- @provider.create
- File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2\nfoo = bar")
end
- it 'should raise an error with invalid values' do
- expect {
- @resource = Puppet::Type::File_line.new(
+ describe 'using after' do
+ let :resource do
+ Puppet::Type::File_line.new(
{
- :name => 'foo',
- :path => @tmpfile,
- :line => 'foo = bar',
- :match => '^foo\s*=.*$',
- :multiple => 'asgadga'
+ :name => 'foo',
+ :path => @tmpfile,
+ :line => 'inserted = line',
+ :after => '^foo1',
}
)
- }.to raise_error(Puppet::Error, /Invalid value "asgadga"\. Valid values are true, false\./)
- end
+ end
- it 'should replace a line that matches' do
- File.open(@tmpfile, 'w') do |fh|
- fh.write("foo1\nfoo=blah\nfoo2")
+ let :provider do
+ provider_class.new(resource)
end
- @provider.exists?.should be_nil
- @provider.create
- File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2")
- end
- it 'should add a new line if no lines match' do
- File.open(@tmpfile, 'w') do |fh|
- fh.write("foo1\nfoo2")
+
+ context 'with one line matching the after expression' do
+ before :each do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo = blah\nfoo2\nfoo = baz")
+ end
+ end
+
+ it 'inserts the specified line after the line matching the "after" expression' do
+ provider.create
+ File.read(@tmpfile).chomp.should eql("foo1\ninserted = line\nfoo = blah\nfoo2\nfoo = baz")
+ end
end
- @provider.exists?.should be_nil
- @provider.create
- File.read(@tmpfile).should eql("foo1\nfoo2\nfoo = bar\n")
- end
- it 'should do nothing if the exact line already exists' do
- File.open(@tmpfile, 'w') do |fh|
- fh.write("foo1\nfoo = bar\nfoo2")
+
+ context 'with two lines matching the after expression' do
+ before :each do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write("foo1\nfoo = blah\nfoo2\nfoo1\nfoo = baz")
+ end
+ end
+
+ it 'errors out stating "One or no line must match the pattern"' do
+ expect { provider.create }.to raise_error(Puppet::Error, /One or no line must match the pattern/)
+ end
+ end
+
+ context 'with no lines matching the after expression' do
+ let :content do
+ "foo3\nfoo = blah\nfoo2\nfoo = baz\n"
+ end
+
+ before :each do
+ File.open(@tmpfile, 'w') do |fh|
+ fh.write(content)
+ end
+ end
+
+ it 'appends the specified line to the file' do
+ provider.create
+ File.read(@tmpfile).should eq(content << resource[:line] << "\n")
+ end
end
- @provider.exists?.should be_true
- @provider.create
- File.read(@tmpfile).chomp.should eql("foo1\nfoo = bar\nfoo2")
end
end