{"record":{"id":"c5195683d85314b2","repo":"slackhq/nebula","slug":"entry-v-metric-in-tun-unsafe-routes-is-not-an-int","errorCode":null,"errorMessage":"entry %v.metric in tun.unsafe_routes is not an integer: %v","messagePattern":"entry (.+?)\\.metric in tun\\.unsafe_routes is not an integer: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"overlay/route.go","lineNumber":197,"sourceCode":"\t\t\t\t\treturn nil, fmt.Errorf(\"entry %v.mtu in tun.unsafe_routes is not an integer: %v\", i+1, err)\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif mtu != 0 && mtu < 500 {\n\t\t\t\treturn nil, fmt.Errorf(\"entry %v.mtu in tun.unsafe_routes is below 500: %v\", i+1, mtu)\n\t\t\t}\n\t\t}\n\n\t\trMetric, ok := m[\"metric\"]\n\t\tif !ok {\n\t\t\trMetric = 0\n\t\t}\n\n\t\tmetric, ok := rMetric.(int)\n\t\tif !ok {\n\t\t\t_, err = strconv.ParseInt(rMetric.(string), 10, 32)\n\t\t\tif err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"entry %v.metric in tun.unsafe_routes is not an integer: %v\", i+1, err)\n\t\t\t}\n\t\t}\n\n\t\tif metric < 0 || metric > math.MaxInt32 {\n\t\t\treturn nil, fmt.Errorf(\"entry %v.metric in tun.unsafe_routes is not in range (0-%d) : %v\", i+1, math.MaxInt32, metric)\n\t\t}\n\n\t\trVia, ok := m[\"via\"]\n\t\tif !ok {\n\t\t\treturn nil, fmt.Errorf(\"entry %v.via in tun.unsafe_routes is not present\", i+1)\n\t\t}\n\n\t\tvar gateways routing.Gateways\n\n\t\tswitch via := rVia.(type) {\n\t\tcase string:\n\t\t\tviaIp, err := netip.ParseAddr(via)\n\t\t\tif err != nil {","sourceCodeStart":179,"sourceCodeEnd":215,"githubUrl":"https://github.com/slackhq/nebula/blob/dd8f660c0ac37903ec4080ca4d3c861ba9342ceb/overlay/route.go#L179-L215","documentation":"Config validation error in parseUnsafeRoutes: the `metric` key of the i+1-th entry is a string that strconv.ParseInt(bitsize 32) rejected — not a valid 32-bit integer literal. The Atoi/ParseInt error is included.","triggerScenarios":"Thrown at overlay/route.go:197 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Write metric as a plain integer within int32 range","Remove the metric key to use the default 0"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"dd8f660c0ac37903ec4080ca4d3c861ba9342ceb","analyzedAt":"2026-09-03T11:13:55.444Z","contentChangedAt":"2026-09-03T11:13:55.444Z","schemaVersion":2},"datasetVersion":"2026-09-10T17:17:09.494Z"}