feat(provider): Added acceptance tests (#891)

* feat(provider): Added acceptance tests

Signed-off-by: Alexander Dahmen <alexander.dahmen@inovex.de>

* Remove argus custom endpoint from provider. This code was removed.

Signed-off-by: Alexander Dahmen <alexander.dahmen@inovex.de>

---------

Signed-off-by: Alexander Dahmen <alexander.dahmen@inovex.de>

stackit/internal/core/core.go

@@ -21,7 +21,6 @@ type ProviderData struct {
 	// Deprecated: Use DefaultRegion instead
 	Region                          string
 	DefaultRegion                   string
-	ArgusCustomEndpoint             string
 	AuthorizationCustomEndpoint     string
 	CdnCustomEndpoint               string
 	DnsCustomEndpoint               string

stackit/internal/testutil/testutil.go

@@ -50,7 +50,6 @@ var (
 	// TestImageLocalFilePath is the local path to an image file used for image acceptance tests
 	TestImageLocalFilePath = getenv("TF_ACC_TEST_IMAGE_LOCAL_FILE_PATH", "default")
 
-	ArgusCustomEndpoint           = os.Getenv("TF_ACC_ARGUS_CUSTOM_ENDPOINT")
 	CdnCustomEndpoint             = os.Getenv("TF_ACC_CDN_CUSTOM_ENDPOINT")
 	DnsCustomEndpoint             = os.Getenv("TF_ACC_DNS_CUSTOM_ENDPOINT")
 	GitCustomEndpoint             = os.Getenv("TF_ACC_GIT_CUSTOM_ENDPOINT")
@@ -78,22 +77,6 @@ var (
 
 // Provider config helper functions
 
-func ArgusProviderConfig() string {
-	if ArgusCustomEndpoint == "" {
-		return `provider "stackit" {
-			default_region = "eu01"
-		}`
-	}
-	return fmt.Sprintf(`
-		provider "stackit" {
-			argus_custom_endpoint = "%s"
-		}`,
-		ArgusCustomEndpoint,
-	)
-}
-
-// Provider config helper functions
-
 func ObservabilityProviderConfig() string {
 	if ObservabilityCustomEndpoint == "" {
 		return `provider "stackit" {
@@ -299,7 +282,7 @@ func RedisProviderConfig() string {
 }
 
 func ResourceManagerProviderConfig() string {
-	token := getTestProjectServiceAccountToken("")
+	token := GetTestProjectServiceAccountToken("")
 	if ResourceManagerCustomEndpoint == "" || AuthorizationCustomEndpoint == "" {
 		return fmt.Sprintf(`
 		provider "stackit" {
@@ -458,7 +441,7 @@ func ResourceNameWithDateTime(name string) string {
 	return fmt.Sprintf("tf-acc-%s-%s", name, dateTimeTrimmed)
 }
 
-func getTestProjectServiceAccountToken(path string) string {
+func GetTestProjectServiceAccountToken(path string) string {
 	var err error
 	token, tokenSet := os.LookupEnv("TF_ACC_TEST_PROJECT_SERVICE_ACCOUNT_TOKEN")
 	if !tokenSet || token == "" {

stackit/provider.go

@@ -115,7 +115,6 @@ type providerModel struct {
 	// Deprecated: Use DefaultRegion instead
 	Region                          types.String `tfsdk:"region"`
 	DefaultRegion                   types.String `tfsdk:"default_region"`
-	ArgusCustomEndpoint             types.String `tfsdk:"argus_custom_endpoint"`
 	CdnCustomEndpoint               types.String `tfsdk:"cdn_custom_endpoint"`
 	DNSCustomEndpoint               types.String `tfsdk:"dns_custom_endpoint"`
 	GitCustomEndpoint               types.String `tfsdk:"git_custom_endpoint"`
@@ -157,7 +156,6 @@ func (p *Provider) Schema(_ context.Context, _ provider.SchemaRequest, resp *pro
 		"service_account_email":              "Service account email. It can also be set using the environment variable STACKIT_SERVICE_ACCOUNT_EMAIL. It is required if you want to use the resource manager project resource.",
 		"region":                             "Region will be used as the default location for regional services. Not all services require a region, some are global",
 		"default_region":                     "Region will be used as the default location for regional services. Not all services require a region, some are global",
-		"argus_custom_endpoint":              "Custom endpoint for the Argus service",
 		"cdn_custom_endpoint":                "Custom endpoint for the CDN service",
 		"dns_custom_endpoint":                "Custom endpoint for the DNS service",
 		"git_custom_endpoint":                "Custom endpoint for the Git service",
@@ -233,11 +231,6 @@ func (p *Provider) Schema(_ context.Context, _ provider.SchemaRequest, resp *pro
 					stringvalidator.ConflictsWith(path.MatchRoot("region")),
 				},
 			},
-			"argus_custom_endpoint": schema.StringAttribute{
-				Optional:           true,
-				Description:        descriptions["argus_custom_endpoint"],
-				DeprecationMessage: "Argus service has been deprecated and integration will be removed after February 26th 2025. Please use `observability_custom_endpoint` and `observability` resources instead, which offer the exact same functionality.",
-			},
 			"cdn_custom_endpoint": schema.StringAttribute{
 				Optional:    true,
 				Description: descriptions["cdn_custom_endpoint"],

stackit/provider_acc_test.go

@@ -0,0 +1,259 @@
+package stackit_test
+
+import (
+	_ "embed"
+	"fmt"
+	"os"
+	"path"
+	"regexp"
+	"runtime"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-testing/config"
+	"github.com/hashicorp/terraform-plugin-testing/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
+	"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/testutil"
+)
+
+//go:embed testdata/provider-credentials.tf
+var providerCredentialConfig string
+
+//go:embed testdata/provider-invalid-attribute.tf
+var providerInvalidAttribute string
+
+//go:embed testdata/provider-all-attributes.tf
+var providerValidAttributes string
+
+var testConfigProviderCredentials = config.Variables{
+	"project_id": config.StringVariable(testutil.ProjectId),
+	"name":       config.StringVariable(fmt.Sprintf("tf-acc-prov%s", acctest.RandStringFromCharSet(3, acctest.CharSetAlphaNum))),
+}
+
+// Helper function to obtain the home directory on different systems.
+// Based on os.UserHomeDir().
+func getHomeEnvVariableName() string {
+	env := "HOME"
+	switch runtime.GOOS {
+	case "windows":
+		env = "USERPROFILE"
+	case "plan9":
+		env = "home"
+	}
+	return env
+}
+
+// create temporary home and initialize the credentials file as well
+func createTemporaryHome(createValidCredentialsFile bool, t *testing.T) string {
+	// create a temporary file
+	tempHome, err := os.MkdirTemp("", "tempHome")
+	if err != nil {
+		t.Fatalf("Failed to create temporary home directory: %v", err)
+	}
+
+	// create credentials file in temp directory
+	stackitFolder := path.Join(tempHome, ".stackit")
+	if err := os.Mkdir(stackitFolder, 0o750); err != nil {
+		t.Fatalf("Failed to create stackit folder: %v", err)
+	}
+
+	filePath := path.Join(stackitFolder, "credentials.json")
+	file, err := os.Create(filePath)
+	if err != nil {
+		t.Fatalf("Failed to create credentials file: %v", err)
+	}
+	defer func() {
+		if err := file.Close(); err != nil {
+			t.Fatalf("Error while closing the file: %v", err)
+		}
+	}()
+
+	// Define content, default = invalid token
+	token := "foo_token"
+	if createValidCredentialsFile {
+		token = testutil.GetTestProjectServiceAccountToken("")
+	}
+	content := fmt.Sprintf(`
+		{
+    		"STACKIT_SERVICE_ACCOUNT_TOKEN": "%s"
+		}`, token)
+
+	if _, err = file.WriteString(content); err != nil {
+		t.Fatalf("Error writing to file: %v", err)
+	}
+
+	return tempHome
+}
+
+// Function to overwrite the home folder
+func setTemporaryHome(tempHomePath string) {
+	env := getHomeEnvVariableName()
+	if err := os.Setenv(env, tempHomePath); err != nil {
+		fmt.Printf("Error setting temporary home directory %v", err)
+	}
+}
+
+// cleanup the temporary home and reset the environment variable
+func cleanupTemporaryHome(tempHomePath string, t *testing.T) {
+	if err := os.RemoveAll(tempHomePath); err != nil {
+		t.Fatalf("Error cleaning up temporary folder: %v", err)
+	}
+	originalHomeDir, err := os.UserHomeDir()
+	if err != nil {
+		t.Fatalf("Failed to restore home directory back to normal: %v", err)
+	}
+	// revert back to original home folder
+	env := getHomeEnvVariableName()
+	if err := os.Setenv(env, originalHomeDir); err != nil {
+		fmt.Printf("Error resetting temporary home directory %v", err)
+	}
+}
+
+func getServiceAccountToken() (string, error) {
+	token, set := os.LookupEnv("TF_ACC_TEST_PROJECT_SERVICE_ACCOUNT_TOKEN")
+	if !set || token == "" {
+		return "", fmt.Errorf("Token not set, please set TF_ACC_TEST_PROJECT_SERVICE_ACCOUNT_TOKEN to a valid token to perform tests")
+	}
+	return token, nil
+}
+
+func TestAccEnvVarTokenValid(t *testing.T) {
+	// Check if acceptance tests should be run
+	if v := os.Getenv(resource.EnvTfAcc); v == "" {
+		t.Skipf(
+			"Acceptance tests skipped unless env '%s' set",
+			resource.EnvTfAcc)
+		return
+	}
+
+	token, err := getServiceAccountToken()
+	if err != nil {
+		t.Fatalf("Can't get token: %v", err)
+	}
+
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", token)
+	tempHomeFolder := createTemporaryHome(false, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				PreConfig:       func() { setTemporaryHome(tempHomeFolder) },
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerCredentialConfig,
+			},
+		},
+	})
+}
+
+func TestAccEnvVarTokenInvalid(t *testing.T) {
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", "foo")
+	tempHomeFolder := createTemporaryHome(false, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				PreConfig:       func() { setTemporaryHome(tempHomeFolder) },
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerCredentialConfig,
+				ExpectError:     regexp.MustCompile(`undefined response type, status code 401`),
+			},
+		},
+	})
+}
+
+func TestAccCredentialsFileValid(t *testing.T) {
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", "")
+	tempHomeFolder := createTemporaryHome(true, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				PreConfig:       func() { setTemporaryHome(tempHomeFolder) },
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerCredentialConfig,
+			},
+		},
+	})
+}
+
+func TestAccCredentialsFileInvalid(t *testing.T) {
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", "")
+	tempHomeFolder := createTemporaryHome(false, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				PreConfig:       func() { setTemporaryHome(tempHomeFolder) },
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerCredentialConfig,
+				ExpectError:     regexp.MustCompile(`Jwt is not in(\r\n|\r|\n)the form of Header.Payload.Signature`),
+			},
+		},
+	})
+}
+
+func TestAccProviderConfigureValidValues(t *testing.T) {
+	// Check if acceptance tests should be run
+	if v := os.Getenv(resource.EnvTfAcc); v == "" {
+		t.Skipf(
+			"Acceptance tests skipped unless env '%s' set",
+			resource.EnvTfAcc)
+		return
+	}
+	// use service account token for these tests
+	token, err := getServiceAccountToken()
+	if err != nil {
+		t.Fatalf("Can't get token: %v", err)
+	}
+
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", token)
+	tempHomeFolder := createTemporaryHome(true, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{ // valid provider attributes
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerValidAttributes,
+			},
+		},
+	})
+}
+
+func TestAccProviderConfigureAnInvalidValue(t *testing.T) {
+	// Check if acceptance tests should be run
+	if v := os.Getenv(resource.EnvTfAcc); v == "" {
+		t.Skipf(
+			"Acceptance tests skipped unless env '%s' set",
+			resource.EnvTfAcc)
+		return
+	}
+	// use service account token for these tests
+	token, err := getServiceAccountToken()
+	if err != nil {
+		t.Fatalf("Can't get token: %v", err)
+	}
+
+	t.Setenv("STACKIT_CREDENTIALS_PATH", "")
+	t.Setenv("STACKIT_SERVICE_ACCOUNT_TOKEN", token)
+	tempHomeFolder := createTemporaryHome(true, t)
+	defer cleanupTemporaryHome(tempHomeFolder, t)
+	resource.Test(t, resource.TestCase{
+		ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
+		Steps: []resource.TestStep{
+			{ // invalid test attribute should throw an error
+				ConfigVariables: testConfigProviderCredentials,
+				Config:          providerInvalidAttribute,
+				ExpectError:     regexp.MustCompile(`An argument named "test" is not expected here\.`),
+			},
+		},
+	})
+}

stackit/testdata/provider-all-attributes.tf

@@ -0,0 +1,41 @@
+variable "project_id" {}
+variable "name" {}
+
+provider "stackit" {
+  default_region                     = "eu01"
+  credentials_path                   = "~/.stackit/credentials.json"
+  service_account_token              = ""
+  service_account_key_path           = ""
+  service_account_key                = ""
+  private_key_path                   = ""
+  private_key                        = ""
+  service_account_email              = "abc@abc.de"
+  cdn_custom_endpoint                = "https://cdn.api.eu01.stackit.cloud"
+  dns_custom_endpoint                = "https://dns.api.stackit.cloud"
+  git_custom_endpoint                = "https://git.api.stackit.cloud"
+  iaas_custom_endpoint               = "https://iaas.api.stackit.cloud"
+  mongodbflex_custom_endpoint        = "https://mongodbflex.api.stackit.cloud"
+  modelserving_custom_endpoint       = "https://modelserving.api.stackit.cloud"
+  loadbalancer_custom_endpoint       = "https://load-balancer.api.stackit.cloud"
+  mariadb_custom_endpoint            = "https://mariadb.api.stackit.cloud"
+  authorization_custom_endpoint      = "https://authorization.api.stackit.cloud"
+  objectstorage_custom_endpoint      = "https://objectstorage.api.stackit.cloud"
+  observability_custom_endpoint      = "https://observability.api.stackit.cloud"
+  opensearch_custom_endpoint         = "https://opensearch.api.stackit.cloud"
+  postgresflex_custom_endpoint       = "https://postgresflex.api.stackit.cloud"
+  redis_custom_endpoint              = "https://redis.api.stackit.cloud"
+  server_backup_custom_endpoint      = "https://server-backup.api.stackit.cloud"
+  server_update_custom_endpoint      = "https://server-update.api.stackit.cloud"
+  service_account_custom_endpoint    = "https://service-account.api.stackit.cloud"
+  resourcemanager_custom_endpoint    = "https://resourcemanager.api.stackit.cloud"
+  sqlserverflex_custom_endpoint      = "https://sqlserverflex.api.stackit.cloud"
+  ske_custom_endpoint                = "https://ske.api.stackit.cloud"
+  service_enablement_custom_endpoint = "https://service-enablement.api.stackit.cloud"
+  token_custom_endpoint              = "https://token.api.stackit.cloud"
+  enable_beta_resources              = "true"
+}
+
+resource "stackit_network" "network" {
+  name       = var.name
+  project_id = var.project_id
+}

stackit/testdata/provider-credentials.tf

@@ -0,0 +1,10 @@
+variable "project_id" {}
+variable "name" {}
+
+provider "stackit" {
+}
+
+resource "stackit_network" "network" {
+  name       = var.name
+  project_id = var.project_id
+}

stackit/testdata/provider-invalid-attribute.tf

@@ -0,0 +1,11 @@
+variable "project_id" {}
+variable "name" {}
+
+provider "stackit" {
+  test = "test"
+}
+
+resource "stackit_network" "network" {
+  name       = var.name
+  project_id = var.project_id
+}