change kubepath to take the raw bytes of the file (#11)

* change kube_path to kube_file to take raw file text

README.md

@@ -45,7 +45,7 @@ Perform the following steps to use the provider:
     > **NOTE:** To obtain the gardener secret and kubeconfig go to the [Gardener dashboard](https://dashboard.garden.canary.k8s.ondemand.com/login).
     ```bash
     provider "gardener" {
-        kube_path          = "<my-gardener-service-account-kubeconfig>"
+        kube_file          = "${file("<my-gardener-service-account-kubeconfig>")}"
     }
     resource "gardener_shoot" "<Name>" {
         metadata {

client/client.go

@@ -11,8 +11,8 @@ type Client struct {
 
 // Client configures and returns a fully initialized GardenerClient
 func New(c *Config) (interface{}, error) {
-
-	config, err := clientcmd.BuildConfigFromFlags("", c.KubePath)
+	kubeBytes := []byte(c.KubeFile)
+	config, err := clientcmd.RESTConfigFromKubeConfig(kubeBytes)
 	if err != nil {
 		return nil, err
 	}
@@ -27,5 +27,5 @@ func New(c *Config) (interface{}, error) {
 }
 
 type Config struct {
-	KubePath string
+	KubeFile string
 }

examples/README.md

@@ -1,22 +1,47 @@
-# Terraform Provider for Gardener Examples
-
-## Overview
-
-This folder contains a set of examples which use Gardener services to deploy [AWS](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/aws), [GCP](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/gcp) and [Azure](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/azure) clusters. All provided examples have the following section in common:
-
-```bash
-provider "gardener" {
-  kube_path          = "<my-gardener-service-account-kubeconfig>"
-}
-```
-This section includes the following parameters:
-* **kube_path** - the path for the kubeconfig file of the service bot of the profile. 
-
-## Installation
-
-Follow these steps to run an example:
-
-1. Clone the `terraform-provider-gardener` repository.
-2. Go to `terraform-provider-gardener/examples/{example_name}`.
-3. Run `terraform apply`.
-
+# Terraform Provider for Gardener Examples
+
+## Overview
+
+This folder contains a set of examples which use Gardener services to deploy [AWS](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/aws), [GCP](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/gcp) and [Azure](https://github.com/kyma-incubator/terraform-provider-gardener/tree/master/examples/azure) clusters. All provided examples have the following section in common:
+
+```bash
+provider "gardener" {
+  kube_file          = "${file("<my-gardener-service-account-kubeconfig>")}"
+}
+```
+You can pass the kube_file using the raw text alone as follows:
+```bash
+kube_file          =<<-EOT
+    kind: Config
+    clusters:
+      - cluster:
+          certificate-authority-data: >-
+            <certificate-authority-data>
+          server: "https://gardener.garden.canary.k8s.ondemand.com"
+        name: garden
+    users:
+      - user:
+          token: >-
+            <token>
+        name: robot
+    contexts:
+      - context:
+          cluster: garden
+          user: robot
+          namespace: garden-<profile>
+        name: garden-<profile>-robot
+    current-context: garden-<profile>-robot
+
+    EOT
+```
+This section includes the following parameters:
+* **kube_file** - the raw string of the kube config file.
+
+## Installation
+
+Follow these steps to run an example:
+
+1. Clone the `terraform-provider-gardener` repository.
+2. Go to `terraform-provider-gardener/examples/{example_name}`.
+3. Run `terraform apply`.
+

examples/aws/main.tf

@@ -1,5 +1,27 @@
 provider "gardener" {
-  kube_path = "<my-gardener-service-account-kubeconfig>"
+  kube_file = "${file("<my-gardener-service-account-kubeconfig>")}"
+  /*kube_file          =<<-EOT
+    kind: Config
+    clusters:
+      - cluster:
+          certificate-authority-data: >-
+            <certificate-authority-data>
+          server: "https://gardener.garden.canary.k8s.ondemand.com"
+        name: garden
+    users:
+      - user:
+          token: >-
+            <token>
+        name: robot
+    contexts:
+      - context:
+          cluster: garden
+          user: robot
+          namespace: garden-<profile>
+        name: garden-<profile>-robot
+    current-context: garden-<profile>-robot
+
+    EOT*/
 }
 
 resource "gardener_shoot" "test_cluster" {

examples/azure/main.tf

@@ -1,5 +1,27 @@
 provider "gardener" {
-  kube_path = "<my-gardener-service-account-kubeconfig>"
+  kube_file          = "${file("<my-gardener-service-account-kubeconfig>")}"
+  /*kube_file          =<<-EOT
+    kind: Config
+    clusters:
+      - cluster:
+          certificate-authority-data: >-
+            <certificate-authority-data>
+          server: "https://gardener.garden.canary.k8s.ondemand.com"
+        name: garden
+    users:
+      - user:
+          token: >-
+            <token>
+        name: robot
+    contexts:
+      - context:
+          cluster: garden
+          user: robot
+          namespace: garden-<profile>
+        name: garden-<profile>-robot
+    current-context: garden-<profile>-robot
+
+    EOT*/
 }
 
 resource "gardener_shoot" "test_cluster" {

examples/gcp/main.tf

@@ -1,5 +1,27 @@
 provider "gardener" {
-  kube_path = "<my-gardener-service-account-kubeconfig>"
+  kube_file          = "${file("<my-gardener-service-account-kubeconfig>")}"
+  /*kube_file          =<<-EOT
+    kind: Config
+    clusters:
+      - cluster:
+          certificate-authority-data: >-
+            <certificate-authority-data>
+          server: "https://gardener.garden.canary.k8s.ondemand.com"
+        name: garden
+    users:
+      - user:
+          token: >-
+            <token>
+        name: robot
+    contexts:
+      - context:
+          cluster: garden
+          user: robot
+          namespace: garden-<profile>
+        name: garden-<profile>-robot
+    current-context: garden-<profile>-robot
+
+    EOT*/
 }
 
 resource "gardener_shoot" "test_cluster" {

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/gardener/gardener v0.0.0-20190906111529-f9ad04069615
 	github.com/gogo/protobuf v1.3.0 // indirect
 	github.com/google/go-cmp v0.3.1 // indirect
+	github.com/googleapis/gax-go v2.0.0+incompatible // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.1 // indirect
 	github.com/hashicorp/go-hclog v0.9.2 // indirect
 	github.com/hashicorp/go-plugin v1.0.1 // indirect
@@ -18,6 +19,7 @@ require (
 	github.com/mattn/go-isatty v0.0.9 // indirect
 	github.com/mitchellh/reflectwalk v1.0.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/ugorji/go/codec v1.1.7 // indirect
 	github.com/zclconf/go-cty v1.1.0 // indirect
 	golang.org/x/crypto v0.0.0-20191001141032-4663e185863a // indirect
 	golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 // indirect
@@ -26,7 +28,9 @@ require (
 	google.golang.org/appengine v1.6.4 // indirect
 	google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c // indirect
 	google.golang.org/grpc v1.24.0 // indirect
+	gopkg.in/ini.v1 v1.44.0 // indirect
 	gopkg.in/yaml.v2 v2.2.3 // indirect
+	k8s.io/api v0.0.0-20190409021203-6e4e0e4f393b
 	k8s.io/apimachinery v0.0.0-20190404173353-6a84e37a896d
 	k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible
 )

provider/provider.go

@@ -14,10 +14,9 @@ var mutexKV = mutexkv.NewMutexKV()
 func Provider() terraform.ResourceProvider {
 	return &schema.Provider{
 		Schema: map[string]*schema.Schema{
-			"kube_path": {
-				Type:        schema.TypeString,
-				Required:    true,
-				DefaultFunc: schema.EnvDefaultFunc("KUBECONFIG", ""),
+			"kube_file": {
+				Type:     schema.TypeString,
+				Required: true,
 			},
 		},
 		ResourcesMap: map[string]*schema.Resource{
@@ -28,7 +27,7 @@ func Provider() terraform.ResourceProvider {
 }
 func providerConfigure(d *schema.ResourceData) (interface{}, error) {
 	config := &client.Config{
-		KubePath: d.Get("kube_path").(string),
+		KubeFile: d.Get("kube_file").(string),
 	}
 	return client.New(config)
 }