feat(stacks): support compose v2.0 stack (#1963)

api/http/handler/stacks/stack_delete.go

@@ -0,0 +1,127 @@
+package stacks
+
+import (
+	"net/http"
+
+	"github.com/portainer/portainer"
+	httperror "github.com/portainer/portainer/http/error"
+	"github.com/portainer/portainer/http/proxy"
+	"github.com/portainer/portainer/http/request"
+	"github.com/portainer/portainer/http/response"
+	"github.com/portainer/portainer/http/security"
+)
+
+// DELETE request on /api/stacks/:id?external=<external>&endpointId=<endpointId>
+func (handler *Handler) stackDelete(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	stackID, err := request.RetrieveRouteVariableValue(r, "id")
+	if err != nil {
+		return &httperror.HandlerError{http.StatusBadRequest, "Invalid stack identifier route variable", err}
+	}
+
+	externalStack, _ := request.RetrieveBooleanQueryParameter(r, "external", true)
+	if externalStack {
+		return handler.deleteExternalStack(r, w, stackID)
+	}
+
+	stack, err := handler.StackService.Stack(portainer.StackID(stackID))
+	if err == portainer.ErrStackNotFound {
+		return &httperror.HandlerError{http.StatusNotFound, "Unable to find a stack with the specified identifier inside the database", err}
+	} else if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find a stack with the specified identifier inside the database", err}
+	}
+
+	resourceControl, err := handler.ResourceControlService.ResourceControlByResourceID(stack.Name)
+	if err != nil && err != portainer.ErrResourceControlNotFound {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve a resource control associated to the stack", err}
+	}
+
+	securityContext, err := security.RetrieveRestrictedRequestContext(r)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve info from request context", err}
+	}
+
+	if resourceControl != nil {
+		if !securityContext.IsAdmin && !proxy.CanAccessStack(stack, resourceControl, securityContext.UserID, securityContext.UserMemberships) {
+			return &httperror.HandlerError{http.StatusForbidden, "Access denied to resource", portainer.ErrResourceAccessDenied}
+		}
+	}
+
+	endpoint, err := handler.EndpointService.Endpoint(stack.EndpointID)
+	if err == portainer.ErrEndpointNotFound {
+		return &httperror.HandlerError{http.StatusNotFound, "Unable to find the endpoint associated to the stack inside the database", err}
+	} else if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find the endpoint associated to the stack inside the database", err}
+	}
+
+	err = handler.deleteStack(stack, endpoint)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
+	}
+
+	err = handler.StackService.DeleteStack(portainer.StackID(stackID))
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to remove the stack from the database", err}
+	}
+
+	err = handler.FileService.RemoveDirectory(stack.ProjectPath)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to remove stack files from disk", err}
+	}
+
+	return response.Empty(w)
+}
+
+func (handler *Handler) deleteExternalStack(r *http.Request, w http.ResponseWriter, stackName string) *httperror.HandlerError {
+	stack, err := handler.StackService.StackByName(stackName)
+	if err != nil && err != portainer.ErrStackNotFound {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to check for stack existence inside the database", err}
+	}
+	if stack != nil {
+		return &httperror.HandlerError{http.StatusBadRequest, "A stack with this name exists inside the database. Cannot use external delete method", portainer.ErrStackNotExternal}
+	}
+
+	endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", false)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusBadRequest, "Invalid query parameter: endpointId", err}
+	}
+
+	endpoint, err := handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
+	if err == portainer.ErrEndpointNotFound {
+		return &httperror.HandlerError{http.StatusNotFound, "Unable to find the endpoint associated to the stack inside the database", err}
+	} else if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find the endpoint associated to the stack inside the database", err}
+	}
+
+	tokenData, err := security.RetrieveTokenData(r)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve user authentication token", err}
+	}
+
+	if tokenData.Role != portainer.AdministratorRole {
+		err = handler.checkEndpointAccess(endpoint, tokenData.ID)
+		if err != nil && err == portainer.ErrEndpointAccessDenied {
+			return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access endpoint", portainer.ErrEndpointAccessDenied}
+		} else if err != nil {
+			return &httperror.HandlerError{http.StatusInternalServerError, "Unable to verify permission to access endpoint", err}
+		}
+	}
+
+	stack = &portainer.Stack{
+		Name: stackName,
+		Type: portainer.DockerSwarmStack,
+	}
+
+	err = handler.deleteStack(stack, endpoint)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to delete stack", err}
+	}
+
+	return response.Empty(w)
+}
+
+func (handler *Handler) deleteStack(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	if stack.Type == portainer.DockerSwarmStack {
+		return handler.SwarmStackManager.Remove(stack, endpoint)
+	}
+	return handler.ComposeStackManager.Down(stack, endpoint)
+}