renaming plugins -> inputs

plugins/inputs/registry.go

@@ -0,0 +1,56 @@
+package inputs
+
+import "time"
+
+type Accumulator interface {
+	// Create a point with a value, decorating it with tags
+	// NOTE: tags is expected to be owned by the caller, don't mutate
+	// it after passing to Add.
+	Add(measurement string,
+		value interface{},
+		tags map[string]string,
+		t ...time.Time)
+
+	AddFields(measurement string,
+		fields map[string]interface{},
+		tags map[string]string,
+		t ...time.Time)
+}
+
+type Input interface {
+	// SampleConfig returns the default configuration of the Input
+	SampleConfig() string
+
+	// Description returns a one-sentence description on the Input
+	Description() string
+
+	// Gather takes in an accumulator and adds the metrics that the Input
+	// gathers. This is called every "interval"
+	Gather(Accumulator) error
+}
+
+type ServiceInput interface {
+	// SampleConfig returns the default configuration of the Input
+	SampleConfig() string
+
+	// Description returns a one-sentence description on the Input
+	Description() string
+
+	// Gather takes in an accumulator and adds the metrics that the Input
+	// gathers. This is called every "interval"
+	Gather(Accumulator) error
+
+	// Start starts the ServiceInput's service, whatever that may be
+	Start() error
+
+	// Stop stops the services and closes any necessary channels and connections
+	Stop()
+}
+
+type Creator func() Input
+
+var Inputs = map[string]Creator{}
+
+func Add(name string, creator Creator) {
+	Inputs[name] = creator
+}