Merge pull request #45 from hmlanigan/get-logger-with-labels

#45

Add GetLoggerWithLabels function, missing from original add of labels for loggers.

global.go

@@ -34,6 +34,12 @@ func GetLogger(name string) Logger {
 	return defaultContext.GetLogger(name)
 }
 
+// GetLogger returns a Logger for the given module name with the correct
+// assiciated labels, creating it and its parents if necessary.
+func GetLoggerWithLabels(name string, labels ...string) Logger {
+	return defaultContext.GetLogger(name, labels...)
+}
+
 // ResetLogging iterates through the known modules and sets the levels of all
 // to UNSPECIFIED, except for <root> which is set to WARNING. The call also
 // removes all writers in the DefaultContext and puts the original default

global_test.go

@@ -85,3 +85,8 @@ func (*GlobalSuite) TestRemoveWriter(c *gc.C) {
 	c.Assert(err, gc.IsNil)
 	c.Assert(loggo.DefaultContext().WriterNames(), gc.HasLen, 0)
 }
+
+func (s *GlobalSuite) TestGetLoggerWithLabels(c *gc.C) {
+	logger := loggo.GetLoggerWithLabels("parent", "labela", "labelb")
+	c.Check(logger.Labels(), gc.DeepEquals, []string{"labela", "labelb"})
+}

go.sum

@@ -5,4 +5,5 @@ github.com/mattn/go-colorable v0.0.6 h1:jGqlOoCjqVR4hfTO9H1qrR2xi0xZNYmX2T1xlw7P
 github.com/mattn/go-colorable v0.0.6/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.0-20160806122752-66b8e73f3f5c h1:3nKFouDdpgGUV/uerJcYWH45ZbJzX0SiVWfTgmUeTzc=
 github.com/mattn/go-isatty v0.0.0-20160806122752-66b8e73f3f5c/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2 h1:+j1SppRob9bAgoYmsdW9NNBdKZfgYuWpqnYHv78Qt8w=
 gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=