Feat: add data source for getting a list of Cloud Credentials

env0/data_cloud_credentials.go

@@ -0,0 +1,74 @@
+package env0
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/env0/terraform-provider-env0/client"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+var allowedCredentialTypes = []string{
+	"AWS_ASSUMED_ROLE",
+	"AWS_ASSUMED_ROLE_FOR_DEPLOYMENT",
+	"AWS_ACCESS_KEYS_FOR_DEPLOYMENT",
+	"GCP_CREDENTIALS",
+	"GCP_SERVICE_ACCOUNT_FOR_DEPLOYMENT",
+	"AZURE_CREDENTIALS",
+	"AZURE_SERVICE_PRINCIPAL_FOR_DEPLOYMENT",
+}
+
+func dataCloudCredentials() *schema.Resource {
+	allowedCredentialTypesStr := fmt.Sprintf("(allowed values: %s)", strings.Join(allowedCredentialTypes, ", "))
+
+	return &schema.Resource{
+		ReadContext: dataCloudCredentialsRead,
+
+		Schema: map[string]*schema.Schema{
+			"names": {
+				Type:        schema.TypeList,
+				Description: "list of all cloud credentials (by name), optionaly filtered by credential_type",
+				Computed:    true,
+				Elem: &schema.Schema{
+					Type:        schema.TypeString,
+					Description: "the credential name",
+				},
+			},
+			"credential_type": {
+				Type:             schema.TypeString,
+				Description:      "the type of cloud credential to filter by " + allowedCredentialTypesStr,
+				Optional:         true,
+				ValidateDiagFunc: NewStringInValidator(allowedCredentialTypes),
+			},
+		},
+	}
+}
+
+func dataCloudCredentialsRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	apiClient := meta.(client.ApiClientInterface)
+
+	credentialsList, err := apiClient.CloudCredentialsList()
+	if err != nil {
+		return diag.Errorf("Could not get cloud credentials list: %v", err)
+	}
+
+	credential_type, filter := d.GetOk("credential_type")
+
+	data := []string{}
+
+	for _, credentials := range credentialsList {
+		if filter && credential_type != credentials.Type {
+			continue
+		}
+		data = append(data, credentials.Name)
+	}
+
+	d.Set("names", data)
+
+	// Not really needed. But required by Terraform SDK - https://github.com/hashicorp/terraform-plugin-sdk/issues/541
+	d.SetId("all_cloud_credential_names")
+
+	return nil
+}

env0/data_cloud_credentials_test.go

@@ -0,0 +1,83 @@
+package env0
+
+import (
+	"errors"
+	"regexp"
+	"testing"
+
+	"github.com/env0/terraform-provider-env0/client"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestCloudCredentialsDataSource(t *testing.T) {
+	credentials1 := client.Credentials{
+		Id:   "id0",
+		Name: "name0",
+		Type: "AWS_ASSUMED_ROLE",
+	}
+
+	credentials2 := client.Credentials{
+		Id:   "id1",
+		Name: "name1",
+		Type: "AZURE_CREDENTIALS",
+	}
+
+	resourceType := "env0_cloud_credentials"
+	resourceName := "test_cloud_credentials"
+	accessor := dataSourceAccessor(resourceType, resourceName)
+
+	mockCloudCredentials := func(returnValue []client.Credentials) func(mockFunc *client.MockApiClientInterface) {
+		return func(mock *client.MockApiClientInterface) {
+			mock.EXPECT().CloudCredentialsList().AnyTimes().Return(returnValue, nil)
+		}
+	}
+
+	t.Run("Success", func(t *testing.T) {
+		runUnitTest(t,
+			resource.TestCase{
+				Steps: []resource.TestStep{
+					{
+						Config: dataSourceConfigCreate(resourceType, resourceName, map[string]interface{}{}),
+						Check: resource.ComposeAggregateTestCheckFunc(
+							resource.TestCheckResourceAttr(accessor, "names.0", credentials1.Name),
+							resource.TestCheckResourceAttr(accessor, "names.1", credentials2.Name),
+						),
+					},
+				},
+			},
+			mockCloudCredentials([]client.Credentials{credentials1, credentials2}),
+		)
+	})
+
+	t.Run("Success With Filter", func(t *testing.T) {
+		runUnitTest(t,
+			resource.TestCase{
+				Steps: []resource.TestStep{
+					{
+						Config: dataSourceConfigCreate(resourceType, resourceName, map[string]interface{}{"credential_type": credentials2.Type}),
+						Check: resource.ComposeAggregateTestCheckFunc(
+							resource.TestCheckResourceAttr(accessor, "names.0", credentials2.Name),
+						),
+					},
+				},
+			},
+			mockCloudCredentials([]client.Credentials{credentials1, credentials2}),
+		)
+	})
+
+	t.Run("API Call Error", func(t *testing.T) {
+		runUnitTest(t,
+			resource.TestCase{
+				Steps: []resource.TestStep{
+					{
+						Config:      dataSourceConfigCreate(resourceType, resourceName, map[string]interface{}{}),
+						ExpectError: regexp.MustCompile("error"),
+					},
+				},
+			},
+			func(mock *client.MockApiClientInterface) {
+				mock.EXPECT().CloudCredentialsList().AnyTimes().Return(nil, errors.New("error"))
+			},
+		)
+	})
+}

env0/provider.go

@@ -71,6 +71,7 @@ func Provider(version string) plugin.ProviderFunc {
 				"env0_api_key":                 dataApiKey(),
 				"env0_agents":                  dataAgents(),
 				"env0_user":                    dataUser(),
+				"env0_cloud_credentials":       dataCloudCredentials(),
 			},
 			ResourcesMap: map[string]*schema.Resource{
 				"env0_project":                              resourceProject(),

examples/data-sources/env0_cloud_credentials/data-source.tf

@@ -0,0 +1,12 @@
+data "env0_cloud_credentials" "aws_credentials" {
+  credential_type = "AWS_ASSUMED_ROLE_FOR_DEPLOYMENT"
+}
+
+data "env0_aws_credentials" "aws_credentials" {
+  for_each = toset(data.env0_cloud_credentials.aws_credentials.names)
+  name     = each.value
+}
+
+output "credentials_name" {
+  value = var.second_run ? data.env0_aws_credentials.aws_credentials["Test Role arn1"].name : ""
+}

tests/integration/024_cloud_credentials/conf.tf

@@ -0,0 +1,15 @@
+terraform {
+  backend "local" {
+  }
+  required_providers {
+    env0 = {
+      source = "terraform-registry.env0.com/env0/env0"
+    }
+  }
+}
+
+provider "env0" {}
+
+variable "second_run" {
+  default = false
+}

tests/integration/024_cloud_credentials/expected_outputs.json

@@ -0,0 +1,3 @@
+{
+    "credentials_name": "Test Role arn1"
+}

tests/integration/024_cloud_credentials/main.tf

@@ -0,0 +1,24 @@
+resource "env0_aws_credentials" "cred1" {
+  name        = "Test Role arn1"
+  arn         = "Role ARN1"
+  external_id = "External id1"
+}
+
+resource "env0_gcp_credentials" "cred2" {
+  name                = "name"
+  service_account_key = "your_account_key"
+  project_id          = "your_project_id"
+}
+
+data "env0_cloud_credentials" "aws_credentials" {
+  credential_type = "AWS_ASSUMED_ROLE_FOR_DEPLOYMENT"
+}
+
+data "env0_aws_credentials" "aws_credentials" {
+  for_each = toset(data.env0_cloud_credentials.aws_credentials.names)
+  name     = each.value
+}
+
+output "credentials_name" {
+  value = var.second_run ? data.env0_aws_credentials.aws_credentials["Test Role arn1"].name : ""
+}