// Check is part of the Diagnostic interface; it runs the actual diagnostic logic
func (d *NetworkDiagnostic) Check() types.DiagnosticResult {
d.res = types.NewDiagnosticResult(NetworkDiagnosticName)
var err error
var ok bool
d.pluginName, ok, err = util.GetOpenShiftNetworkPlugin(d.OSClient)
if err != nil {
d.res.Error("DNet2001", err, fmt.Sprintf("Checking network plugin failed. Error: %s", err))
return d.res
}
if !ok {
d.res.Warn("DNet2002", nil, "Skipping network diagnostics check. Reason: Not using openshift network plugin.")
return d.res
}
d.nodes, err = util.GetSchedulableNodes(d.KubeClient)
if err != nil {
d.res.Error("DNet2003", err, fmt.Sprintf("Fetching schedulable nodes failed. Error: %s", err))
return d.res
}
if len(d.nodes) == 0 {
d.res.Warn("DNet2004", nil, "Skipping network checks. Reason: No schedulable/ready nodes found.")
return d.res
}
if len(d.LogDir) == 0 {
d.LogDir = util.NetworkDiagDefaultLogDir
}
d.runNetworkDiagnostic()
return d.res
}
// Check is part of the Diagnostic interface; it runs the actual diagnostic logic
func (d CheckServiceNetwork) Check() types.DiagnosticResult {
d.res = types.NewDiagnosticResult(CheckServiceNetworkName)
pluginName, ok, err := util.GetOpenShiftNetworkPlugin(d.OSClient)
if err != nil {
d.res.Error("DSvcNet1001", err, fmt.Sprintf("Checking network plugin failed. Error: %s", err))
return d.res
}
if !ok {
d.res.Warn("DSvcNet1002", nil, "Skipping service connectivity test. Reason: Not using openshift network plugin.")
return d.res
}
services, err := getAllServices(d.KubeClient)
if err != nil {
d.res.Error("DSvcNet1003", err, fmt.Sprintf("Getting all services failed. Error: %s", err))
return d.res
}
if len(services) == 0 {
d.res.Warn("DSvcNet1004", nil, "Skipping service connectivity test. Reason: No services found.")
return d.res
}
localPods, _, err := util.GetLocalAndNonLocalDiagnosticPods(d.KubeClient)
if err != nil {
d.res.Error("DSvcNet1005", err, fmt.Sprintf("Getting local and nonlocal pods failed. Error: %s", err))
return d.res
}
if sdnapi.IsOpenShiftMultitenantNetworkPlugin(pluginName) {
netnsList, err := d.OSClient.NetNamespaces().List(kapi.ListOptions{})
if err != nil {
d.res.Error("DSvcNet1006", err, fmt.Sprintf("Getting all network namespaces failed. Error: %s", err))
return d.res
}
d.vnidMap = map[string]uint32{}
for _, netns := range netnsList.Items {
d.vnidMap[netns.NetName] = netns.NetID
}
}
localGlobalPods, localNonGlobalPods := util.GetGlobalAndNonGlobalPods(localPods, d.vnidMap)
// Applicable to flat and multitenant networks
if len(localGlobalPods) > 0 {
d.checkConnection(localGlobalPods, services, "Skipping service connectivity test for global projects. Reason: Couldn't find a global pod.")
}
// Applicable to multitenant network
isMultitenant := (d.vnidMap != nil)
if isMultitenant {
d.checkConnection(localNonGlobalPods, services, "Skipping service connectivity test for non-global projects. Reason: Couldn't find a non-global pod.")
}
return d.res
}
// Check is part of the Diagnostic interface; it runs the actual diagnostic logic
func (d CheckPodNetwork) Check() types.DiagnosticResult {
d.res = types.NewDiagnosticResult(CheckPodNetworkName)
pluginName, ok, err := util.GetOpenShiftNetworkPlugin(d.OSClient)
if err != nil {
d.res.Error("DPodNet1001", err, fmt.Sprintf("Checking network plugin failed. Error: %s", err))
return d.res
}
if !ok {
d.res.Warn("DPodNet1002", nil, "Skipping pod connectivity test. Reason: Not using openshift network plugin.")
return d.res
}
localPods, nonlocalPods, err := util.GetLocalAndNonLocalDiagnosticPods(d.KubeClient)
if err != nil {
d.res.Error("DPodNet1003", err, fmt.Sprintf("Getting local and nonlocal pods failed. Error: %s", err))
return d.res
}
if sdnapi.IsOpenShiftMultitenantNetworkPlugin(pluginName) {
netnsList, err := d.OSClient.NetNamespaces().List(kapi.ListOptions{})
if err != nil {
d.res.Error("DPodNet1004", err, fmt.Sprintf("Getting all network namespaces failed. Error: %s", err))
return d.res
}
d.vnidMap = map[string]uint32{}
for _, netns := range netnsList.Items {
d.vnidMap[netns.NetName] = netns.NetID
}
}
localGlobalPods, localNonGlobalPods := util.GetGlobalAndNonGlobalPods(localPods, d.vnidMap)
nonlocalGlobalPods, nonlocalNonGlobalPods := util.GetGlobalAndNonGlobalPods(nonlocalPods, d.vnidMap)
d.checkSameNodePodToPodConnection(localGlobalPods, localNonGlobalPods)
d.checkDifferentNodePodToPodConnection(localGlobalPods, localNonGlobalPods, nonlocalGlobalPods, nonlocalNonGlobalPods)
return d.res
}