{"record":{"id":"f48283e80e15860f","repo":"juanfont/headscale","slug":"s-failed-to-bring-tailscale-client-up-s-w","errorCode":null,"errorMessage":"%s failed to bring tailscale client up (%s): %w","messagePattern":"(.+?) failed to bring tailscale client up \\((.+?)\\): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"integration/tsic/tsic.go","lineNumber":817,"sourceCode":"\n\t\treturn struct{}{}, nil\n\t}, backoff.WithBackOff(backoff.NewExponentialBackOff()), backoff.WithMaxElapsedTime(30*time.Second))\n\tif err != nil {\n\t\treturn fmt.Errorf(\"timeout waiting for container %s to restart and become ready: %w\", t.hostname, err)\n\t}\n\n\treturn nil\n}\n\n// Up runs `tailscale up` with no arguments.\nfunc (t *TailscaleInContainer) Up() error {\n\tcommand := []string{\n\t\ttailscaleBin,\n\t\t\"up\",\n\t}\n\n\tif _, _, err := t.Execute(command, dockertestutil.ExecuteCommandTimeout(dockerExecuteTimeout)); err != nil { //nolint:noinlineerr\n\t\treturn fmt.Errorf(\n\t\t\t\"%s failed to bring tailscale client up (%s): %w\",\n\t\t\tt.hostname,\n\t\t\tstrings.Join(command, \" \"),\n\t\t\terr,\n\t\t)\n\t}\n\n\treturn nil\n}\n\n// Down runs `tailscale down` with no arguments.\nfunc (t *TailscaleInContainer) Down() error {\n\tcommand := []string{\n\t\ttailscaleBin,\n\t\t\"down\",\n\t}\n\n\tif _, _, err := t.Execute(command, dockertestutil.ExecuteCommandTimeout(dockerExecuteTimeout)); err != nil { //nolint:noinlineerr","sourceCodeStart":799,"sourceCodeEnd":835,"githubUrl":"https://github.com/juanfont/headscale/blob/565fd254d06c4c7f9a8cad1714a43445c79ba420/integration/tsic/tsic.go#L799-L835","documentation":"Error \"%s failed to bring tailscale client up (%s): %w\" thrown in juanfont/headscale.","triggerScenarios":"Thrown at integration/tsic/tsic.go:817 when the library encounters an invalid state.","commonSituations":"'tailscale up' failed inside the container. Check the wrapped error and tailscaled logs; common causes are auth key problems or unreachable control server.","solutions":["Inspect the wrapped error for the underlying cause and correct the failing condition (failed to bring tailscale client up ()); retry the operation after fixing the input, configuration, or environment."],"exampleFix":"Inspect the wrapped error for the underlying cause and correct the failing condition (failed to bring tailscale client up ()); retry the operation after fixing the input, configuration, or environment.","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"565fd254d06c4c7f9a8cad1714a43445c79ba420","analyzedAt":"2026-08-15T13:12:30.133Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}