Esempio n. 1
0
// buildPodDiagnostics builds host Diagnostic objects based on the host environment.
// Returns the Diagnostics built, "ok" bool for whether to proceed or abort, and an error if any was encountered during the building of diagnostics.
func (o PodDiagnosticsOptions) buildPodDiagnostics() ([]types.Diagnostic, bool, []error) {
	diagnostics := []types.Diagnostic{}
	err, requestedDiagnostics := util.DetermineRequestedDiagnostics(availablePodDiagnostics.List(), o.RequestedDiagnostics, o.Logger)
	if err != nil {
		return diagnostics, false, []error{err} // don't waste time on discovery
	}
	// TODO: check we're actually in a container

	for _, diagnosticName := range requestedDiagnostics {
		switch diagnosticName {

		case poddiag.PodCheckDnsName:
			diagnostics = append(diagnostics, poddiag.PodCheckDns{})

		case poddiag.PodCheckAuthName:
			diagnostics = append(diagnostics, poddiag.PodCheckAuth{
				MasterCaPath: StandardMasterCaPath,
				TokenPath:    StandardTokenPath,
				MasterUrl:    StandardMasterUrl,
			})

		default:
			return diagnostics, false, []error{fmt.Errorf("unknown diagnostic: %v", diagnosticName)}
		}
	}

	return diagnostics, true, nil
}
Esempio n. 2
0
// buildNetworkPodDiagnostics builds network Diagnostic objects based on the host environment.
// Returns the Diagnostics built, "ok" bool for whether to proceed or abort, and an error if any was encountered during the building of diagnostics.
func (o NetworkPodDiagnosticsOptions) buildNetworkPodDiagnostics() ([]types.Diagnostic, bool, []error) {
	diagnostics := []types.Diagnostic{}
	err, requestedDiagnostics := util.DetermineRequestedDiagnostics(availableNetworkPodDiagnostics.List(), o.RequestedDiagnostics, o.Logger)
	if err != nil {
		return diagnostics, false, []error{err} // don't waste time on discovery
	}

	clientFlags := flag.NewFlagSet("client", flag.ContinueOnError) // hide the extensive set of client flags
	factory := osclientcmd.New(clientFlags)                        // that would otherwise be added to this command

	osClient, kubeClient, clientErr := factory.Clients()
	if clientErr != nil {
		return diagnostics, false, []error{clientErr}
	}

	for _, diagnosticName := range requestedDiagnostics {
		switch diagnosticName {

		case networkdiag.CheckNodeNetworkName:
			diagnostics = append(diagnostics, networkdiag.CheckNodeNetwork{
				KubeClient: kubeClient,
			})

		case networkdiag.CheckPodNetworkName:
			diagnostics = append(diagnostics, networkdiag.CheckPodNetwork{
				KubeClient: kubeClient,
				OSClient:   osClient,
			})

		case networkdiag.CheckExternalNetworkName:
			diagnostics = append(diagnostics, networkdiag.CheckExternalNetwork{})

		case networkdiag.CheckServiceNetworkName:
			diagnostics = append(diagnostics, networkdiag.CheckServiceNetwork{
				KubeClient: kubeClient,
				OSClient:   osClient,
			})

		case networkdiag.CollectNetworkInfoName:
			diagnostics = append(diagnostics, networkdiag.CollectNetworkInfo{
				KubeClient: kubeClient,
			})

		default:
			return diagnostics, false, []error{fmt.Errorf("unknown diagnostic: %v", diagnosticName)}
		}
	}

	return diagnostics, true, nil
}