Load default kubeconfig if not specified in provider

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## Unreleased
 
 - Fix Helm Chart preview with unconfigured provider (C#) (https://github.com/pulumi/pulumi-kubernetes/issues/2162)
+- Load default kubeconfig if not specified in provider (https://github.com/pulumi/pulumi-kubernetes/issues/2180)
 - Skip computing a preview for Patch resources (https://github.com/pulumi/pulumi-kubernetes/issues/2182)
 - [sdk/python] Handle CRDs with status field input (https://github.com/pulumi/pulumi-kubernetes/issues/2183)
 

provider/pkg/provider/provider.go

@@ -597,7 +597,8 @@ func (k *kubeProvider) Configure(_ context.Context, req *pulumirpc.ConfigureRequ
 		usr, _ := user.Current()
 		return usr.HomeDir
 	}
-	if pathOrContents, ok := vars["kubernetes:config:kubeconfig"]; ok {
+	// Note: the Python SDK was setting the kubeconfig value to "" by default, so explicitly check for empty string.
+	if pathOrContents, ok := vars["kubernetes:config:kubeconfig"]; ok && pathOrContents != "" {
 		var contents string
 
 		// Handle the '~' character if it is set in the config string. Normally, this would be expanded by the shell

tests/sdk/go/kustomize/main.go

@@ -23,9 +23,7 @@ import (
 
 func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
-		provider, err := k8s.NewProvider(ctx, "k8s", &k8s.ProviderArgs{
-			Kubeconfig: pulumi.String("~/.kube/config"),
-		})
+		provider, err := k8s.NewProvider(ctx, "k8s", &k8s.ProviderArgs{})
 		if err != nil {
 			return err
 		}
@@ -34,8 +32,7 @@ func main() {
 			return err
 		}
 		nsProvider, err := k8s.NewProvider(ctx, "k8s-ns", &k8s.ProviderArgs{
-			Kubeconfig: pulumi.String("~/.kube/config"),
-			Namespace:  ns.Metadata.Name(),
+			Namespace: ns.Metadata.Name(),
 		})
 		if err != nil {
 			return err

tests/sdk/go/server-side-apply/main.go

@@ -13,7 +13,6 @@ func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
 		provider, err := kubernetes.NewProvider(ctx, "k8s", &kubernetes.ProviderArgs{
 			EnableServerSideApply: pulumi.BoolPtr(true),
-			Kubeconfig:            pulumi.String("~/.kube/config"),
 		})
 		if err != nil {
 			return err

tests/sdk/go/server-side-apply/step2/main.go

@@ -15,7 +15,6 @@ func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
 		provider, err := kubernetes.NewProvider(ctx, "k8s", &kubernetes.ProviderArgs{
 			EnableServerSideApply: pulumi.BoolPtr(true),
-			Kubeconfig:            pulumi.String("~/.kube/config"),
 		})
 		if err != nil {
 			return err

tests/sdk/go/yaml/main.go

@@ -26,9 +26,7 @@ import (
 
 func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
-		provider, err := k8s.NewProvider(ctx, "k8s", &k8s.ProviderArgs{
-			Kubeconfig: pulumi.String("~/.kube/config"),
-		})
+		provider, err := k8s.NewProvider(ctx, "k8s", &k8s.ProviderArgs{})
 		if err != nil {
 			return err
 		}

tests/sdk/nodejs/examples/helm-no-default-provider/index.ts

@@ -14,9 +14,7 @@
 
 import * as k8s from '@pulumi/kubernetes'
 
-const k8sProvider = new k8s.Provider(`k8s-provider`, {
-    kubeconfig: '~/.kube/config',
-})
+const k8sProvider = new k8s.Provider(`k8s-provider`, {})
 
 const namespace = new k8s.core.v1.Namespace("release-ns");
 

tests/sdk/python/provider-old/__main__.py

@@ -1,27 +1,22 @@
-# Copyright 2016-2019, Pulumi Corporation.
+#  Copyright 2016-2022, Pulumi Corporation.
 #
-# 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
+#  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
+#      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
+#  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 pulumi import ResourceOptions
 from pulumi_kubernetes import Provider
 from pulumi_kubernetes.core.v1 import Pod, Namespace
 
-kubeconfig_file = path.join(path.expanduser("~"), ".kube", "config")
-with open(kubeconfig_file) as f:
-    kubeconfig = f.read()
-
-my_k8s = Provider("myk8s", kubeconfig=kubeconfig)
+my_k8s = Provider("myk8s")
 
 namespace = Namespace("test")
 

tests/sdk/python/provider/__main__.py

@@ -1,28 +1,23 @@
-# Copyright 2016-2020, Pulumi Corporation.
+#  Copyright 2016-2022, Pulumi Corporation.
 #
-# 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
+#  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
+#      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
+#  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 pulumi import ResourceOptions
 from pulumi_kubernetes import Provider
 from pulumi_kubernetes.core.v1 import Pod, Namespace, PodSpecArgs, ContainerArgs, ContainerPortArgs
 from pulumi_kubernetes.meta.v1 import ObjectMetaArgs
 
-kubeconfig_file = path.join(path.expanduser("~"), ".kube", "config")
-with open(kubeconfig_file) as f:
-    kubeconfig = f.read()
-
-my_k8s = Provider("myk8s", kubeconfig=kubeconfig)
+my_k8s = Provider("myk8s")
 
 namespace = Namespace("test")
 

tests/sdk/python/server-side-apply/__main__.py

@@ -11,16 +11,11 @@
 #  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 pulumi
 import pulumi_kubernetes as k8s
 
-kubeconfig_file = path.join(path.expanduser("~"), ".kube", "config")
-with open(kubeconfig_file) as f:
-    kubeconfig = f.read()
-
-provider = k8s.Provider("myk8s", kubeconfig=kubeconfig, enable_server_side_apply=True)
+provider = k8s.Provider("myk8s", enable_server_side_apply=True)
 
 ns = k8s.core.v1.Namespace("test", opts=pulumi.ResourceOptions(provider=provider))