// 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
}
// 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
}