Add build tag 'ganglia' and create corresponding files

sinks/gangliaSink.go

@@ -1,3 +1,5 @@
+//go:build ganglia
+
 package sinks
 
 import (

sinks/gangliaSink_disabled.go

@@ -0,0 +1,31 @@
+//go:build !ganglia
+
+package sinks
+
+import (
+	"encoding/json"
+	"errors"
+
+	//	"time"
+
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
+)
+
+type GangliaSink struct {
+	sink
+}
+
+func (s *GangliaSink) Init(config json.RawMessage) error {
+	return errors.New("sink 'ganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *GangliaSink) Write(point lp.CCMetric) error {
+	return errors.New("sink 'ganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *GangliaSink) Flush() error {
+	return errors.New("sink 'ganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *GangliaSink) Close() {
+}

sinks/libgangliaSink.go

@@ -1,3 +1,5 @@
+//go:build ganglia
+
 package sinks
 
 /*

sinks/libgangliaSink_disabled.go

@@ -0,0 +1,29 @@
+//go:build !ganglia
+
+package sinks
+
+import (
+	"encoding/json"
+	"errors"
+
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
+)
+
+type LibgangliaSink struct {
+	sink
+}
+
+func (s *LibgangliaSink) Init(config json.RawMessage) error {
+	return errors.New("sink 'libganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *LibgangliaSink) Write(point lp.CCMetric) error {
+	return errors.New("sink 'libganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *LibgangliaSink) Flush() error {
+	return errors.New("sink 'ganglia' not implemented, rebuild with tag 'ganglia'")
+}
+
+func (s *LibgangliaSink) Close() {
+}