Removed old impl

resolver-go/internal/closure/client.go

@@ -0,0 +1,107 @@
+package closure
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+)
+
+type Client struct {
+	endpoint string
+	http     *http.Client
+}
+
+func NewClientFromEnv() *Client {
+	endpoint := os.Getenv("CLOSURE_ENDPOINT")
+	if endpoint == "" {
+		endpoint = "http://closure-svc:8080/compile"
+	}
+
+	return &Client{
+		endpoint: endpoint,
+		http: &http.Client{
+			Timeout: 70 * time.Second,
+		},
+	}
+}
+
+func (c *Client) Compile(ctx context.Context, reqBody CompileRequest) ([]byte, error) {
+	body, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequestWithContext(
+		ctx,
+		http.MethodPost,
+		c.endpoint,
+		bytes.NewReader(body),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode/100 != 2 {
+		body, _ := io.ReadAll(io.LimitReader(resp.Body, 4096))
+		return nil, fmt.Errorf("closure failed: %s: %s", resp.Status, body)
+	}
+
+	return io.ReadAll(resp.Body)
+}
+
+func (c *Client) DebugPrintCurl(ctx context.Context, reqBody CompileRequest) {
+	if os.Getenv("CLOSURE_DEBUG_CURL") == "" {
+		return
+	}
+
+	body, err := json.MarshalIndent(reqBody, "", "  ")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "closure debug: marshal payload failed: %v\n", err)
+		return
+	}
+
+	tmpDir := os.Getenv("CLOSURE_DEBUG_DIR")
+	if tmpDir == "" {
+		tmpDir = os.TempDir()
+	}
+
+	path := filepath.Join(
+		tmpDir,
+		fmt.Sprintf("closure-request-%d.json", time.Now().UnixNano()),
+	)
+
+	if err := os.WriteFile(path, body, 0o600); err != nil {
+		fmt.Fprintf(os.Stderr, "closure debug: write payload failed: %v\n", err)
+		return
+	}
+
+	fmt.Fprintf(
+		os.Stderr,
+		"closure debug curl:\n  curl -v -X POST %s -H 'Content-Type: application/json' --data-binary @%s\n",
+		shellQuote(c.endpoint),
+		shellQuote(path),
+	)
+
+	if deadline, ok := ctx.Deadline(); ok {
+		fmt.Fprintf(os.Stderr, "closure debug deadline: %s\n", deadline.Format(time.RFC3339Nano))
+	}
+}
+
+func shellQuote(s string) string {
+	return strconv.Quote(s)
+}