{"record":{"id":"2550c55aceef17d7","repo":"kubernetes/kops","slug":"resource-id-subscription-q-does-not-match-verifie","errorCode":null,"errorMessage":"resource ID subscription %q does not match verifier subscription %q","messagePattern":"resource ID subscription %q does not match verifier subscription %q","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/cloudup/azure/verifier.go","lineNumber":129,"sourceCode":"\tif !ok || resourceID == \"\" || signature == \"\" {\n\t\treturn nil, fmt.Errorf(\"incorrect token format\")\n\t}\n\n\t// Parse the resource ID early to reject malformed tokens before expensive crypto.\n\tres, err := arm.ParseResourceID(resourceID)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"parsing resource ID: %w\", err)\n\t}\n\tvmLogID := vmLogIDFromResource(res)\n\tresourceType := res.ResourceType.String()\n\tklog.V(4).Infof(\"Azure verifier for VM %q parsed resource ID: subscription=%q resourceGroup=%q\", vmLogID, res.SubscriptionID, res.ResourceGroupName)\n\n\t// Reject resource IDs outside the verifier's own subscription / resource group. The Azure API lookup below\n\t// is already scoped to kops-controller's subscription and resource group, so any claim that names a different\n\t// location cannot describe a cluster VM. Failing here avoids a wasted Azure API call and makes the scope\n\t// explicit instead of implicit.\n\tif !strings.EqualFold(res.SubscriptionID, a.client.subscriptionID) {\n\t\treturn nil, fmt.Errorf(\"resource ID subscription %q does not match verifier subscription %q\", res.SubscriptionID, a.client.subscriptionID)\n\t}\n\tif !strings.EqualFold(res.ResourceGroupName, a.client.resourceGroup) {\n\t\treturn nil, fmt.Errorf(\"resource ID resource group %q does not match verifier resource group %q\", res.ResourceGroupName, a.client.resourceGroup)\n\t}\n\tswitch resourceType {\n\tcase vmResourceType:\n\tcase vmssVMResourceType:\n\t\tif !strings.HasSuffix(res.Parent.Name, \".\"+a.clusterName) {\n\t\t\treturn nil, fmt.Errorf(\"resource ID VMSS name %q does not match cluster name %q\", res.Parent.Name, a.clusterName)\n\t\t}\n\tdefault:\n\t\treturn nil, fmt.Errorf(\"unsupported resource type %q\", resourceType)\n\t}\n\n\t// Verify the PKCS7 attested document: signature, certificate chain, nonce, and expiration.\n\tdata, err := a.attestation.verifyAttestedDocument(signature, body)\n\tif err != nil {\n\t\treturn nil, err","sourceCodeStart":111,"sourceCodeEnd":147,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/cloudup/azure/verifier.go#L111-L147","documentation":"The Azure resource ID embedded in the bootstrap token names a subscription different from the one kops-controller is configured with. Because the subsequent Azure API lookup is already scoped to the verifier's subscription, such a claim cannot describe a cluster VM, so it is rejected before any crypto or API work. Typically indicates a misconfigured token, a node from another cluster/subscription, or a tampered claim.","triggerScenarios":"Thrown at upup/pkg/fi/cloudup/azure/verifier.go:129 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check that the node's bootstrap token was issued for the subscription kops-controller manages","Verify the cluster's cloud configuration subscription matches the subscription the VM runs in","Discard the token; it is a cross-subscription claim and verification must fail"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}