logging: Customizable zap cores (#6381)

modules/logging/cores.go

@@ -0,0 +1,36 @@
+package logging
+
+import (
+	"go.uber.org/zap/zapcore"
+
+	"github.com/caddyserver/caddy/v2"
+	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
+)
+
+func init() {
+	caddy.RegisterModule(MockCore{})
+}
+
+// MockCore is a no-op module, purely for testing
+type MockCore struct {
+	zapcore.Core `json:"-"`
+}
+
+// CaddyModule returns the Caddy module information.
+func (MockCore) CaddyModule() caddy.ModuleInfo {
+	return caddy.ModuleInfo{
+		ID:  "caddy.logging.cores.mock",
+		New: func() caddy.Module { return new(MockCore) },
+	}
+}
+
+func (lec *MockCore) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
+	return nil
+}
+
+// Interface guards
+var (
+	_ zapcore.Core          = (*MockCore)(nil)
+	_ caddy.Module          = (*MockCore)(nil)
+	_ caddyfile.Unmarshaler = (*MockCore)(nil)
+)