WIP: extension feature

example/extendable/.gitignore

@@ -0,0 +1 @@
+/bin

example/extendable/Makefile

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+build: extension
+	go build -o ./bin/app ./
+
+extension:
+	go build  -o ./bin/myext.so -buildmode=plugin ./myext
+
+watch:
+	modd
+
+run:
+	./bin/app

example/extendable/main.go

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+package main
+
+import (
+	"context"
+	"log"
+
+	"github.com/pkg/errors"
+	"gitlab.com/wpetit/goweb/extension"
+)
+
+func main() {
+	reg := extension.NewRegistry()
+	ctx := context.Background()
+
+	extensions, err := reg.LoadAll(ctx, "./bin/*.so")
+	if err != nil {
+		log.Fatal(errors.WithStack(err))
+	}
+
+	for _, ext := range extensions {
+		log.Printf("Loaded extension '%s', version '%s'", ext.ExtensionName(), ext.ExtensionVersion())
+	}
+}

example/extendable/modd.conf

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+**/*.go
+modd.conf
+Makefile {
+    prep: make build
+    prep: make run
+}

example/extendable/myext/extension.go

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+package main
+
+type MyExtension struct {
+}
+
+func (e *MyExtension) ExtensionName() string {
+	return "my.extension"
+}
+
+func (e *MyExtension) ExtensionVersion() string {
+	return "0.0.0"
+}

example/extendable/myext/main.go

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+package main
+
+import (
+	"context"
+
+	"gitlab.com/wpetit/goweb/extension"
+)
+
+func RegisterExtension(ctx context.Context) (extension.Extension, error) {
+	return &MyExtension{}, nil
+}