feat(stacks): support automated sync for stacks [EE-248] (#5340)

api/http/handler/stacks/webhook_invoke.go

@@ -0,0 +1,54 @@
+package stacks
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gofrs/uuid"
+
+	"github.com/portainer/libhttp/response"
+
+	bolterrors "github.com/portainer/portainer/api/bolt/errors"
+	"github.com/portainer/portainer/api/stacks"
+
+	httperror "github.com/portainer/libhttp/error"
+	"github.com/portainer/libhttp/request"
+)
+
+func (handler *Handler) webhookInvoke(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	webhookID, err := retrieveUUIDRouteVariableValue(r, "webhookID")
+	if err != nil {
+		return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid webhook identifier route variable", Err: err}
+	}
+
+	stack, err := handler.DataStore.Stack().StackByWebhookID(webhookID.String())
+	if err != nil {
+		statusCode := http.StatusInternalServerError
+		if err == bolterrors.ErrObjectNotFound {
+			statusCode = http.StatusNotFound
+		}
+		return &httperror.HandlerError{StatusCode: statusCode, Message: "Unable to find the stack by webhook ID", Err: err}
+	}
+
+	if err = stacks.RedeployWhenChanged(stack.ID, handler.StackDeployer, handler.DataStore, handler.GitService); err != nil {
+		log.Printf("[ERROR] %s\n", err)
+		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Failed to update the stack", Err: err}
+	}
+
+	return response.Empty(w)
+}
+
+func retrieveUUIDRouteVariableValue(r *http.Request, name string) (uuid.UUID, error) {
+	webhookID, err := request.RetrieveRouteVariableValue(r, name)
+	if err != nil {
+		return uuid.Nil, err
+	}
+
+	uid, err := uuid.FromString(webhookID)
+
+	if err != nil {
+		return uuid.Nil, err
+	}
+
+	return uid, nil
+}