feat: implement action proxy route

src/handlers/actions/actions.go

@@ -1,10 +1,54 @@
 package actions
 
-import "net/http"
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+
+	"git.dcntrlized.org/Dcntrlized/Maestro/lib/docker"
+)
 
 func RunAction(w http.ResponseWriter, r *http.Request) {
-	// Stub, to implement, receives an action via frontend code and redirects it to the correct container, which will execute it and return the result to the frontend
-	// Request comes in format {"container_id": string, "action": { "method": "GET" | "POST" | "PUT" | "DELETE", "action_name": string }, "payload": object}
+	// Runs an action on the container specified by the actionName and containerId path parameters.
+	actionName := r.PathValue("actionName")
+	containerId := r.PathValue("containerId")
 
-	http.Error(w, "Action not implemented", http.StatusNotImplemented)
+	// Get IP address of the container using containerId
+	dockerClient, err := docker.NewDockerClient()
+	if err != nil {
+		http.Error(w, "Failed to create Docker client", http.StatusInternalServerError)
+		return
+	}
+
+	inspectData, err := dockerClient.ContainerInspect(context.Background(), containerId)
+	if err != nil {
+		http.Error(w, "Failed to inspect container", http.StatusInternalServerError)
+		return
+	}
+
+	network, _, err := docker.ExtractNetworkInfo(context.Background(), dockerClient, inspectData)
+	if err != nil {
+		http.Error(w, "Failed to extract network info", http.StatusInternalServerError)
+		return
+	}
+
+	// Construct the URL for the action endpoint
+	actionURL := fmt.Sprintf("http://%s:%d/%s", network.IPAddress, network.Ports[0].Host, actionName) // Assuming network.Ports[0] is the main port. Might change in the future
+
+	// Forward the request to the container's action endpoint
+	resp, err := http.Get(actionURL)
+	if err != nil {
+		http.Error(w, "Failed to forward request to container", http.StatusInternalServerError)
+		return
+	}
+	defer resp.Body.Close()
+
+	// Copy the response from the container back to the original response writer
+	w.WriteHeader(resp.StatusCode)
+	_, err = io.Copy(w, resp.Body)
+	if err != nil {
+		http.Error(w, "Failed to read response from container", http.StatusInternalServerError)
+		return
+	}
 }