{"record":{"id":"c256f84e42199386","repo":"kubernetes/kops","slug":"path-q-must-be-of-a-type-that-can-render-in-terra","errorCode":null,"errorMessage":"path %q must be of a type that can render in Terraform","messagePattern":"path %q must be of a type that can render in Terraform","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/fitasks/managedfile.go","lineNumber":224,"sourceCode":"\tlocation := fi.ValueOf(e.Location)\n\tif location == \"\" {\n\t\treturn fi.RequiredField(\"Location\")\n\t}\n\n\tp, err := getBasePath(c, e)\n\tif err != nil {\n\t\treturn err\n\t}\n\tp = p.Join(location)\n\n\tacl, err := e.getACL(c, p)\n\tif err != nil {\n\t\treturn err\n\t}\n\n\tterraformPath, ok := p.(vfs.TerraformPath)\n\tif !ok {\n\t\treturn fmt.Errorf(\"path %q must be of a type that can render in Terraform\", p)\n\t}\n\n\treader, err := e.Contents.Open()\n\tif err != nil {\n\t\treturn err\n\t}\n\n\treturn terraformPath.RenderTerraform(&t.TerraformWriter, *e.Name, reader, acl)\n}\n","sourceCodeStart":206,"sourceCodeEnd":234,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/fitasks/managedfile.go#L206-L234","documentation":"RenderTerraform needs the destination path to implement vfs.TerraformPath so it can emit Terraform resources instead of writing files directly. If the resolved path type lacks that interface, Terraform output cannot be generated and the task fails.","triggerScenarios":"Running `kops update cluster --target terraform` where a ManagedFile's base path resolves to a VFS type that does not implement vfs.TerraformPath (only certain backends like S3 do).","commonSituations":"Generating Terraform for clusters whose state/managed files live on backends without Terraform rendering support (memfs, plain file paths).","solutions":["Switch the ManagedFile Base (or cluster config base) to an S3-backed path that supports Terraform rendering.","Use --target direct instead of terraform when the backend cannot render Terraform.","Verify with a small type check/log which concrete VFS type the base resolves to."],"exampleFix":"// before (terraform target with non-TF backend)\nbase: \"memfs://cluster\"\n// after\nbase: \"s3://my-bucket/cluster.example.com\"","handlingStrategy":"type-guard","validationCode":"p, err := vfs.Context.BuildVfsPath(base)\nif err != nil { return err }\nif _, ok := p.(vfs.TerraformPath); !ok {\n    return fmt.Errorf(\"base %q cannot render Terraform\", base)\n}","typeGuard":"_, ok := p.(vfs.TerraformPath); return ok","tryCatchPattern":"if err != nil { return fmt.Errorf(\"%s cannot render in Terraform: %w\", p, err) }","preventionTips":["Use S3-backed paths when targeting terraform output","Fall back to --target direct for non-Terraform-capable backends","Check vfs.TerraformPath implementers before configuring Base"],"tags":["terraform","vfs","managedfile"],"backgroundTag":"path-not-terraform-capable","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T12:17:11.808Z"}