add kubectl -f like feature for deploying from file

Author: micw523

examples/create_from_yaml.py

@@ -0,0 +1,32 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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 os import path
+
+import yaml
+
+from kubernetes import utils, config
+
+
+def main():
+    # Configs can be set in Configuration class directly or using helper
+    # utility. If no argument provided, the config will be loaded from
+    # default location.
+    config.load_kube_config()
+    k8s_client, resp = utils.create_deployment_from_yaml("./nginx-deployment.yaml")
+    print("Deployment created. status='%s'" % str(resp.status))
+
+
+if __name__ == '__main__':
+    main()

kubernetes/__init__.py

@@ -20,3 +20,4 @@
 import kubernetes.config
 import kubernetes.watch
 import kubernetes.stream
+import kubernetes.utils

kubernetes/utils/__init__.py

@@ -0,0 +1,15 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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 .create_deployment_from_yaml import create_deployment_from_yaml

kubernetes/utils/create_deployment_from_yaml.py

@@ -0,0 +1,35 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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 os import path
+import sys
+
+import yaml
+
+from kubernetes import client
+
+def create_deployment_from_yaml(yaml_file):
+    with open(path.abspath(yaml_file)) as f:
+        dep = yaml.load(f)
+        api_type, _, api_version = dep["apiVersion"].partition("/")
+        api_type = api_type.capitalize()
+        api_version = api_version.capitalize()
+        k8s_client = getattr(client, "%s%sApi" % (api_type, api_version))()
+        resp = k8s_client.create_namespaced_deployment(body=dep, namespace="default")
+        return k8s_client, resp
+
+        
+
+        
+

setup.py

@@ -57,7 +57,8 @@
     extras_require=EXTRAS,
     packages=['kubernetes', 'kubernetes.client', 'kubernetes.config',
               'kubernetes.watch', 'kubernetes.client.apis',
-              'kubernetes.stream', 'kubernetes.client.models'],
+              'kubernetes.stream', 'kubernetes.client.models',
+              'kubernetes.utils'],
     include_package_data=True,
     long_description="""\
     Python client for kubernetes http://kubernetes.io/