Initial commit

README.md

@@ -1,2 +1,5 @@
 # logger-go
-Golang logger interface and adapters
+
+Golang logger interface and adapters.
+This interface is used in the Golang libraries of GraphMetrics.
+It also provides a few adapters for popular loggers.

default.go

@@ -0,0 +1,27 @@
+package logger
+
+import "log"
+
+type defaultLogger struct {
+}
+
+func NewDefault() Logger {
+	return &defaultLogger{}
+}
+
+func (*defaultLogger) Debug(msg string, metadata map[string]interface{}) {
+	log.Printf("[DEBUG] %s %#v", msg, metadata)
+}
+
+func (*defaultLogger) Info(msg string, metadata map[string]interface{}) {
+	log.Printf("[INFO] %s %#v", msg, metadata)
+
+}
+
+func (*defaultLogger) Warn(msg string, metadata map[string]interface{}) {
+	log.Printf("[WARN] %s %#v", msg, metadata)
+}
+
+func (*defaultLogger) Error(msg string, metadata map[string]interface{}) {
+	log.Printf("[ERROR] %s %#v", msg, metadata)
+}

go.mod

@@ -0,0 +1,3 @@
+module github.com/graphmetrics/logger-go
+
+go 1.15

interface.go

@@ -0,0 +1,8 @@
+package logger
+
+type Logger interface {
+	Debug(msg string, metadata map[string]interface{})
+	Info(msg string, metadata map[string]interface{})
+	Warn(msg string, metadata map[string]interface{})
+	Error(msg string, metadata map[string]interface{})
+}