Fix presubmits and update TFJob examples for v1beta2 and v1

developer_guide.md

@@ -1,6 +1,6 @@
 # Developer Guide
 
-There are two versions of the TF operator: one for v1alpha2 (to be deprecated) and one for v1beta1.
+Tf-operator is currently at v1. The v1beta2 version will still be supported and is compatible with v1.
 
 ## Building the operator
 
@@ -24,13 +24,7 @@ dep ensure
 Build it
 
 ```sh
-go install github.com/kubeflow/tf-operator/cmd/tf-operator.v1beta1
-```
-
-If you want to build the operator for v1alpha2, please use the command here:
-
-```sh
-go install github.com/kubeflow/tf-operator/cmd/tf-operator.v2
+go install github.com/kubeflow/tf-operator/cmd/tf-operator.v1
 ```
 
 ## Building all the artifacts.
@@ -89,15 +83,7 @@ export KUBEFLOW_NAMESPACE=$(your_namespace)
 After the cluster is up, the TFJob CRD should be created on the cluster.
 
 ```bash
-# If you are using v1beta1
-kubectl create -f ./examples/crd/crd-v1beta1.yaml
-```
-
-Or
-
-```bash
-# If you are using v1alpha2
-kubectl create -f ./examples/crd/crd-v1alpha2.yaml
+kubectl create -f ./examples/crd/crd-v1.yaml
 ```
 
 ### Run Operator
@@ -111,17 +97,7 @@ tf-operator
 To verify local operator is working, create an example job and you should see jobs created by it.
 
 ```sh
-# If you are using v1beta1
-cd ./examples/v1beta1/dist-mnist
-docker build -f Dockerfile -t kubeflow/tf-dist-mnist-test:1.0 .
-kubectl create -f ./tf_job_mnist.yaml
-```
-
-Or
-
-```bash
-# If you are using v1alpha2
-cd ./examples/v1alpha2/dist-mnist
+cd ./examples/v1/dist-mnist
 docker build -f Dockerfile -t kubeflow/tf-dist-mnist-test:1.0 .
 kubectl create -f ./tf_job_mnist.yaml
 ```

examples/crd/crd-v1.yaml

@@ -0,0 +1,46 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: tfjobs.kubeflow.org
+spec:
+  group: kubeflow.org
+  scope: Namespaced
+  names:
+    kind: TFJob
+    singular: tfjob
+    plural: tfjobs
+  subresources:
+    status: {}
+  validation:
+    openAPIV3Schema:
+      properties:
+        spec:
+          properties:
+            tfReplicaSpecs:
+              properties:
+                # The validation works when the configuration contains
+                # `Worker`, `PS` or `Chief`. Otherwise it will not be validated.
+                Worker:
+                  properties:
+                    replicas:
+                      type: integer
+                      minimum: 1
+                PS:
+                  properties:
+                    replicas:
+                      type: integer
+                      minimum: 1
+                Chief:
+                  properties:
+                    replicas:
+                      type: integer
+                      minimum: 1
+                      maximum: 1
+  version: v1
+  versions:
+  - name: v1
+    served: true
+    storage: true
+  - name: v1beta2
+    served: true
+    storage: false

examples/v1/dist-mnist/Dockerfile

@@ -0,0 +1,18 @@
+# Copyright 2016 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM tensorflow/tensorflow:1.5.0
+
+ADD . /var/tf_dist_mnist
+ENTRYPOINT ["python", "/var/tf_dist_mnist/dist_mnist.py"]

examples/v1/dist-mnist/README.md

@@ -0,0 +1,17 @@
+### Distributed mnist model for e2e test
+
+This folder containers Dockerfile and distributed mnist model for e2e test.
+
+**Build Image**
+
+The default image name and tag is `kubeflow/tf-dist-mnist-test:1.0`.
+
+```shell
+docker build -f Dockerfile -t kubeflow/tf-dist-mnist-test:1.0 ./
+```
+
+**Create TFJob YAML**
+
+```
+kubectl create -f ./tf_job_mnist.yaml
+```