Merge pull request #414 from eigr/feat/add-sdk-docker-init

feat: add sdk init wrapper

tools/sdk-init/Dockerfile

@@ -0,0 +1,24 @@
+# Dockerfile for test
+FROM python:3.11-slim
+
+# Install necessary dependencies for the example Python app
+RUN pip install flask
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the binary from the builder stage
+COPY ./bin/sdk-init /usr/local/bin/sdk-init
+
+# Add the example Python app
+COPY ./example-app/app.py /app
+COPY ./example-app/protos /protos
+
+# Expose the Flask application port
+EXPOSE 5000
+
+# Entrypoint runs the main binary first
+ENTRYPOINT ["sdk-init"]
+
+# CMD runs the Flask application
+CMD ["python", "app.py"]

tools/sdk-init/cmd/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"sdk-init/pkg/copier"
+	"sdk-init/pkg/runner"
+)
+
+func main() {
+	srcDir := "/protos"
+	destDir := "/shared/protos"
+
+	if err := copier.CopyDir(srcDir, destDir); err != nil {
+		log.Fatalf("Error copying files: %v", err)
+	}
+	log.Println("Files copied successfully.")
+
+	if len(os.Args) > 1 {
+		if err := runner.RunCommand(os.Args[1], os.Args[2:]...); err != nil {
+			log.Fatalf("Error executing command: %v", err)
+		}
+	} else {
+		log.Println("No command specified. Finishing...")
+	}
+}

tools/sdk-init/example-app/app.py

@@ -0,0 +1,14 @@
+from flask import Flask, jsonify
+
+app = Flask(__name__)
+
+@app.route("/")
+def index():
+    return jsonify({"message": "User application is running!"})
+
+@app.route("/status")
+def status():
+    return jsonify({"status": "ok", "description": "Flask app is healthy!"})
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)

tools/sdk-init/go.mod

@@ -0,0 +1,3 @@
+module sdk-init
+
+go 1.18

tools/sdk-init/internal/shared/constants.go

@@ -0,0 +1,6 @@
+package shared
+
+const (
+	DefaultSrcDir  = "/protos"
+	DefaultDestDir = "/shared/protos"
+)

tools/sdk-init/pkg/copier/copier.go

@@ -0,0 +1,37 @@
+package copier
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+)
+
+func CopyDir(src string, dest string) error {
+	return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relPath, _ := filepath.Rel(src, path)
+		destPath := filepath.Join(dest, relPath)
+
+		if info.IsDir() {
+			return os.MkdirAll(destPath, info.Mode())
+		}
+
+		srcFile, err := os.Open(path)
+		if err != nil {
+			return err
+		}
+		defer srcFile.Close()
+
+		destFile, err := os.Create(destPath)
+		if err != nil {
+			return err
+		}
+		defer destFile.Close()
+
+		_, err = io.Copy(destFile, srcFile)
+		return err
+	})
+}

tools/sdk-init/pkg/runner/runner.go

@@ -0,0 +1,14 @@
+package runner
+
+import (
+	"os"
+	"os/exec"
+)
+
+func RunCommand(cmd string, args ...string) error {
+	command := exec.Command(cmd, args...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+
+	return command.Run()
+}