mirror of https://github.com/portainer/portainer
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
package endpointproxy
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import (
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"errors"
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"fmt"
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"net/http"
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"strings"
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portainer "github.com/portainer/portainer/api"
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httperror "github.com/portainer/portainer/pkg/libhttp/error"
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"github.com/portainer/portainer/pkg/libhttp/request"
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)
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func (handler *Handler) proxyRequestsToKubernetesAPI(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.BadRequest("Invalid environment 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 handler.DataStore.IsErrObjectNotFound(err) {
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return httperror.NotFound("Unable to find an environment with the specified identifier inside the database", err)
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} else if err != nil {
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return httperror.InternalServerError("Unable to find an environment with the specified identifier inside the database", err)
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}
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err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
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if err != nil {
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return httperror.Forbidden("Permission denied to access environment", err)
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}
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if endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
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if endpoint.EdgeID == "" {
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return httperror.InternalServerError("No Edge agent registered with the environment", errors.New("No agent available"))
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}
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_, err := handler.ReverseTunnelService.GetActiveTunnel(endpoint)
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if err != nil {
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return httperror.InternalServerError("Unable to get the active tunnel", err)
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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.InternalServerError("Unable to create proxy", err)
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}
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}
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// For KubernetesLocalEnvironment
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requestPrefix := fmt.Sprintf("/%d/kubernetes", endpointID)
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if endpoint.Type == portainer.AgentOnKubernetesEnvironment || endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
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requestPrefix = fmt.Sprintf("/%d", endpointID)
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agentPrefix := fmt.Sprintf("/%d/agent/kubernetes", endpointID)
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if strings.HasPrefix(r.URL.Path, agentPrefix) {
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requestPrefix = agentPrefix
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}
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}
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http.StripPrefix(requestPrefix, proxy).ServeHTTP(w, r)
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return nil
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}
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