Home > Article > Backend Development > How to Fix \"no kind \"Deployment\" is registered for version \"apps/v1beta1\"\" Error When Deserializing Kubernetes YAML?
You've encountered an error when attempting to deserialize a Kubernetes YAML file into a Go struct using the api.Codecs.UniversalDecoder().Decode function. The error reads, "no kind "Deployment" is registered for version "apps/v1beta1."
When deserializing a Kubernetes YAML file, you must ensure that the schema of the object is registered. In this case, the Deployment object is registered under the apps/v1beta1 version of the API.
To resolve the issue, you need to import the package that registers the schema for the apps/v1beta1 version. This can be achieved by adding the following line to your code:
<code class="go">_ "k8s.io/client-go/pkg/apis/extensions/install"</code>
This import ensures that the schema for the Deployment object is registered and available for use during the deserialization process.
Here's a modified working Go program that incorporates the necessary import:
<code class="go">package main import ( "fmt" "k8s.io/client-go/pkg/api" "k8s.io/client-go/pkg/api/install" "k8s.io/client-go/pkg/apis/extensions/install" ) var service = ` apiVersion: apps/v1beta1 kind: Deployment metadata: name: my-nginx spec: replicas: 2 template: metadata: labels: run: my-nginx spec: containers: - name: my-nginx image: nginx ports: - containerPort: 80 ` func main() { decode := api.Codecs.UniversalDecoder().Decode obj, _, err := decode([]byte(service), nil, nil) if err != nil { fmt.Printf("%#v", err) } fmt.Printf("%#v\n", obj) }</code>
When you run this program, the Deployment object should be successfully deserialized without encountering the aforementioned error.
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