mirror of https://github.com/portainer/portainer
70 lines
2.5 KiB
Go
70 lines
2.5 KiB
Go
package endpointproxy
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import (
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"errors"
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"strconv"
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"time"
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httperror "github.com/portainer/libhttp/error"
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"github.com/portainer/libhttp/request"
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"github.com/portainer/portainer/api"
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"net/http"
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)
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func (handler *Handler) proxyRequestsToDockerAPI(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
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if err != nil {
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return &httperror.HandlerError{http.StatusBadRequest, "Invalid endpoint identifier route variable", err}
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
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if err == portainer.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "Unable to find an endpoint with the specified identifier inside the database", err}
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} else if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an endpoint with the specified identifier inside the database", err}
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}
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err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint, true)
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if err != nil {
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return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access endpoint", err}
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}
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if endpoint.Type == portainer.EdgeAgentEnvironment {
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if endpoint.EdgeID == "" {
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return &httperror.HandlerError{http.StatusInternalServerError, "No Edge agent registered with the endpoint", errors.New("No agent available")}
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}
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tunnel := handler.ReverseTunnelService.GetTunnelDetails(endpoint.ID)
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if tunnel.Status == portainer.EdgeAgentIdle {
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handler.ProxyManager.DeleteEndpointProxy(endpoint)
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err := handler.ReverseTunnelService.SetTunnelStatusToRequired(endpoint.ID)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to update tunnel status", err}
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}
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settings, err := handler.DataStore.Settings().Settings()
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err}
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}
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waitForAgentToConnect := time.Duration(settings.EdgeAgentCheckinInterval) * time.Second
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time.Sleep(waitForAgentToConnect * 2)
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}
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}
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var proxy http.Handler
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proxy = handler.ProxyManager.GetEndpointProxy(endpoint)
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if proxy == nil {
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proxy, err = handler.ProxyManager.CreateAndRegisterEndpointProxy(endpoint)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to create proxy", err}
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}
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}
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id := strconv.Itoa(endpointID)
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http.StripPrefix("/"+id+"/docker", proxy).ServeHTTP(w, r)
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return nil
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}
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