{"record":{"id":"f3c828dbf1dd4b98","repo":"k3s-io/k3s","slug":"invalid-egress-selector-mode-s","errorCode":null,"errorMessage":"invalid egress-selector-mode %s","messagePattern":"invalid egress-selector-mode (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/cli/server/server.go","lineNumber":671,"sourceCode":"\t\t}\n\t\tlogrus.Info(version.Program + \" is up and running\")\n\t\tos.Setenv(\"NOTIFY_SOCKET\", notifySocket)\n\t\tsystemd.SdNotify(true, \"READY=1\\n\")\n\t}()\n\n\treturn server.StartServer(ctx, wg, &serverConfig, cfg)\n}\n\n// validateNetworkConfig ensures that the network configuration values make sense.\nfunc validateNetworkConfiguration(serverConfig server.Config) error {\n\tswitch serverConfig.ControlConfig.EgressSelectorMode {\n\tcase config.EgressSelectorModeCluster, config.EgressSelectorModePod:\n\tcase config.EgressSelectorModeAgent, config.EgressSelectorModeDisabled:\n\t\tif serverConfig.DisableAgent {\n\t\t\tlogrus.Warn(\"Webhooks and apiserver aggregation may not function properly without an agent; please set egress-selector-mode to 'cluster' or 'pod'\")\n\t\t}\n\tdefault:\n\t\treturn fmt.Errorf(\"invalid egress-selector-mode %s\", serverConfig.ControlConfig.EgressSelectorMode)\n\t}\n\n\treturn nil\n}\n\nfunc pollAPIAddressFromEtcd(ctx context.Context, serverConfig server.Config, agentConfig cmds.Agent) {\n\tdefer close(agentConfig.APIAddressCh)\n\tpollDuration := time.Second * 5\n\twait.PollUntilContextCancel(ctx, pollDuration, true, func(ctx context.Context) (bool, error) {\n\t\tctx, cancel := context.WithTimeout(ctx, pollDuration)\n\t\tdefer cancel()\n\t\tserverAddresses, err := etcd.GetAPIServerURLsFromETCD(ctx, &serverConfig.ControlConfig)\n\t\tif err == nil && len(serverAddresses) > 0 {\n\t\t\tagentConfig.APIAddressCh <- serverAddresses\n\t\t\treturn true, nil\n\t\t}\n\t\tif !errors.Is(err, etcd.ErrAddressNotSet) {\n\t\t\tlogrus.Warnf(\"Failed to get apiserver address from etcd: %v\", err)","sourceCodeStart":653,"sourceCodeEnd":689,"githubUrl":"https://github.com/k3s-io/k3s/blob/6ba341e396edc16b8dcae978a7c5e3ac7ee5606e/pkg/cli/server/server.go#L653-L689","documentation":"Error \"invalid egress-selector-mode %s\" thrown in k3s-io/k3s.","triggerScenarios":"Thrown at pkg/cli/server/server.go:671 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"6ba341e396edc16b8dcae978a7c5e3ac7ee5606e","analyzedAt":"2026-08-15T16:27:54.286Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}