mirror of
https://github.com/DeBrosOfficial/network.git
synced 2026-01-30 18:13:04 +00:00
319 lines
8.8 KiB
Go
319 lines
8.8 KiB
Go
package deployments
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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"github.com/DeBrosOfficial/network/pkg/deployments"
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"github.com/DeBrosOfficial/network/pkg/deployments/process"
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"github.com/DeBrosOfficial/network/pkg/ipfs"
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"github.com/google/uuid"
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"go.uber.org/zap"
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)
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// GoHandler handles Go backend deployments
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type GoHandler struct {
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service *DeploymentService
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processManager *process.Manager
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ipfsClient ipfs.IPFSClient
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logger *zap.Logger
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baseDeployPath string
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}
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// NewGoHandler creates a new Go deployment handler
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func NewGoHandler(
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service *DeploymentService,
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processManager *process.Manager,
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ipfsClient ipfs.IPFSClient,
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logger *zap.Logger,
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baseDeployPath string,
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) *GoHandler {
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if baseDeployPath == "" {
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baseDeployPath = filepath.Join(os.Getenv("HOME"), ".orama", "deployments")
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}
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return &GoHandler{
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service: service,
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processManager: processManager,
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ipfsClient: ipfsClient,
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logger: logger,
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baseDeployPath: baseDeployPath,
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}
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}
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// HandleUpload handles Go backend deployment upload
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func (h *GoHandler) HandleUpload(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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namespace := getNamespaceFromContext(ctx)
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if namespace == "" {
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http.Error(w, "Namespace not found in context", http.StatusUnauthorized)
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return
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}
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// Parse multipart form (100MB max for Go binaries)
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if err := r.ParseMultipartForm(100 << 20); err != nil {
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http.Error(w, "Failed to parse form", http.StatusBadRequest)
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return
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}
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// Get metadata
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name := r.FormValue("name")
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subdomain := r.FormValue("subdomain")
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healthCheckPath := r.FormValue("health_check_path")
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if name == "" {
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http.Error(w, "Deployment name is required", http.StatusBadRequest)
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return
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}
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if healthCheckPath == "" {
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healthCheckPath = "/health"
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}
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// Parse environment variables (form fields starting with "env_")
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envVars := make(map[string]string)
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for key, values := range r.MultipartForm.Value {
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if strings.HasPrefix(key, "env_") && len(values) > 0 {
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envName := strings.TrimPrefix(key, "env_")
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envVars[envName] = values[0]
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}
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}
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// Get tarball file
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file, header, err := r.FormFile("tarball")
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if err != nil {
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http.Error(w, "Tarball file is required", http.StatusBadRequest)
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return
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}
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defer file.Close()
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h.logger.Info("Deploying Go backend",
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zap.String("namespace", namespace),
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zap.String("name", name),
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zap.String("filename", header.Filename),
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zap.Int64("size", header.Size),
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)
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// Upload to IPFS for versioning
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addResp, err := h.ipfsClient.Add(ctx, file, header.Filename)
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if err != nil {
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h.logger.Error("Failed to upload to IPFS", zap.Error(err))
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http.Error(w, "Failed to upload content", http.StatusInternalServerError)
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return
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}
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cid := addResp.Cid
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// Deploy the Go backend
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deployment, err := h.deploy(ctx, namespace, name, subdomain, cid, healthCheckPath, envVars)
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if err != nil {
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h.logger.Error("Failed to deploy Go backend", zap.Error(err))
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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// Create DNS records (use background context since HTTP context will be cancelled)
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go h.service.CreateDNSRecords(context.Background(), deployment)
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// Build response
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urls := h.service.BuildDeploymentURLs(deployment)
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resp := map[string]interface{}{
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"deployment_id": deployment.ID,
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"name": deployment.Name,
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"namespace": deployment.Namespace,
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"status": deployment.Status,
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"type": deployment.Type,
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"content_cid": deployment.ContentCID,
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"urls": urls,
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"version": deployment.Version,
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"port": deployment.Port,
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"created_at": deployment.CreatedAt,
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(resp)
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}
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// deploy deploys a Go backend
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func (h *GoHandler) deploy(ctx context.Context, namespace, name, subdomain, cid, healthCheckPath string, envVars map[string]string) (*deployments.Deployment, error) {
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// Create deployment directory
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deployPath := filepath.Join(h.baseDeployPath, namespace, name)
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if err := os.MkdirAll(deployPath, 0755); err != nil {
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return nil, fmt.Errorf("failed to create deployment directory: %w", err)
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}
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// Download and extract from IPFS
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if err := h.extractFromIPFS(ctx, cid, deployPath); err != nil {
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return nil, fmt.Errorf("failed to extract deployment: %w", err)
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}
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// Find the executable binary
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binaryPath, err := h.findBinary(deployPath)
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if err != nil {
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return nil, fmt.Errorf("failed to find binary: %w", err)
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}
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// Ensure binary is executable
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if err := os.Chmod(binaryPath, 0755); err != nil {
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return nil, fmt.Errorf("failed to make binary executable: %w", err)
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}
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h.logger.Info("Found Go binary",
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zap.String("path", binaryPath),
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zap.String("deployment", name),
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)
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// Create deployment record
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deployment := &deployments.Deployment{
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ID: uuid.New().String(),
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Namespace: namespace,
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Name: name,
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Type: deployments.DeploymentTypeGoBackend,
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Version: 1,
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Status: deployments.DeploymentStatusDeploying,
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ContentCID: cid,
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Subdomain: subdomain,
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Environment: envVars,
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MemoryLimitMB: 256,
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CPULimitPercent: 100,
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HealthCheckPath: healthCheckPath,
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HealthCheckInterval: 30,
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RestartPolicy: deployments.RestartPolicyAlways,
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MaxRestartCount: 10,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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DeployedBy: namespace,
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}
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// Save deployment (assigns port)
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if err := h.service.CreateDeployment(ctx, deployment); err != nil {
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return nil, err
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}
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// Start the process
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if err := h.processManager.Start(ctx, deployment, deployPath); err != nil {
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deployment.Status = deployments.DeploymentStatusFailed
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h.service.UpdateDeploymentStatus(ctx, deployment.ID, deployments.DeploymentStatusFailed)
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return deployment, fmt.Errorf("failed to start process: %w", err)
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}
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// Wait for healthy
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if err := h.processManager.WaitForHealthy(ctx, deployment, 60*time.Second); err != nil {
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h.logger.Warn("Deployment did not become healthy", zap.Error(err))
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// Don't fail - the service might still be starting
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}
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deployment.Status = deployments.DeploymentStatusActive
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h.service.UpdateDeploymentStatus(ctx, deployment.ID, deployments.DeploymentStatusActive)
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return deployment, nil
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}
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// extractFromIPFS extracts a tarball from IPFS to a directory
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func (h *GoHandler) extractFromIPFS(ctx context.Context, cid, destPath string) error {
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// Get tarball from IPFS
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reader, err := h.ipfsClient.Get(ctx, "/ipfs/"+cid, "")
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if err != nil {
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return err
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}
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defer reader.Close()
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// Create temporary file
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tmpFile, err := os.CreateTemp("", "go-deploy-*.tar.gz")
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if err != nil {
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return err
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}
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defer os.Remove(tmpFile.Name())
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defer tmpFile.Close()
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// Copy to temp file
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if _, err := io.Copy(tmpFile, reader); err != nil {
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return err
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}
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tmpFile.Close()
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// Extract tarball
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cmd := exec.Command("tar", "-xzf", tmpFile.Name(), "-C", destPath)
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output, err := cmd.CombinedOutput()
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if err != nil {
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h.logger.Error("Failed to extract tarball",
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zap.String("output", string(output)),
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zap.Error(err),
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)
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return fmt.Errorf("failed to extract tarball: %w", err)
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}
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return nil
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}
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// findBinary finds the Go binary in the deployment directory
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func (h *GoHandler) findBinary(deployPath string) (string, error) {
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// First, look for a binary named "app" (conventional)
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appPath := filepath.Join(deployPath, "app")
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if info, err := os.Stat(appPath); err == nil && !info.IsDir() {
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return appPath, nil
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}
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// Look for any executable in the directory
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entries, err := os.ReadDir(deployPath)
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if err != nil {
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return "", fmt.Errorf("failed to read deployment directory: %w", err)
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}
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for _, entry := range entries {
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if entry.IsDir() {
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continue
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}
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filePath := filepath.Join(deployPath, entry.Name())
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info, err := entry.Info()
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if err != nil {
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continue
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}
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// Check if it's executable
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if info.Mode()&0111 != 0 {
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// Skip common non-binary files
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ext := strings.ToLower(filepath.Ext(entry.Name()))
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if ext == ".sh" || ext == ".txt" || ext == ".md" || ext == ".json" || ext == ".yaml" || ext == ".yml" {
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continue
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}
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// Check if it's an ELF binary (Linux executable)
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if h.isELFBinary(filePath) {
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return filePath, nil
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}
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}
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}
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return "", fmt.Errorf("no executable binary found in deployment. Expected 'app' binary or ELF executable")
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}
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// isELFBinary checks if a file is an ELF binary
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func (h *GoHandler) isELFBinary(path string) bool {
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f, err := os.Open(path)
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if err != nil {
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return false
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}
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defer f.Close()
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// Read first 4 bytes (ELF magic number)
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magic := make([]byte, 4)
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if _, err := f.Read(magic); err != nil {
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return false
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}
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// ELF magic: 0x7f 'E' 'L' 'F'
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return magic[0] == 0x7f && magic[1] == 'E' && magic[2] == 'L' && magic[3] == 'F'
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}
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