portainer/api/http/handler/endpoints/endpoint_create_global_key.go

package endpoints

import (
	"errors"
	"net/http"

	portainer "github.com/portainer/portainer/api"
	httperror "github.com/portainer/portainer/pkg/libhttp/error"
	"github.com/portainer/portainer/pkg/libhttp/response"
)

type endpointCreateGlobalKeyResponse struct {
	EndpointID portainer.EndpointID `json:"endpointID"`
}

// @id EndpointCreateGlobalKey
// @summary Create or retrieve the endpoint for an EdgeID
// @tags endpoints
// @success 200 {object} endpointCreateGlobalKeyResponse "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /endpoints/global-key [post]
func (handler *Handler) endpointCreateGlobalKey(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
	edgeID := r.Header.Get(portainer.PortainerAgentEdgeIDHeader)
	if edgeID == "" {
		return httperror.BadRequest("Invalid Edge ID", errors.New("the Edge ID cannot be empty"))
	}

	// Search for existing endpoints for the given edgeID

	endpointID, ok := handler.DataStore.Endpoint().EndpointIDByEdgeID(edgeID)
	if ok {
		return response.JSON(w, endpointCreateGlobalKeyResponse{endpointID})
	}

	return httperror.NotFound("Unable to find the endpoint in the database", nil)
}