New data source gitlab_group_variables

Refs: #386

Author: timofurrer

docs/data-sources/group_variables.md

@@ -0,0 +1,47 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "gitlab_group_variables Data Source - terraform-provider-gitlab"
+subcategory: ""
+description: |-
+  The gitlab_group_variables data source allows to retrieve all group-level CI/CD variables.
+  Upstream API: GitLab REST API docs https://docs.gitlab.com/ee/api/group_level_variables.html
+---
+
+# gitlab_group_variables (Data Source)
+
+The `gitlab_group_variables` data source allows to retrieve all group-level CI/CD variables.
+
+**Upstream API**: [GitLab REST API docs](https://docs.gitlab.com/ee/api/group_level_variables.html)
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `group` (String) The name or id of the group.
+
+### Optional
+
+- `environment_scope` (String) The environment scope of the variable. Defaults to all environment (`*`).
+- `id` (String) The ID of this resource.
+
+### Read-Only
+
+- `variables` (List of Object) The list of variables returned by the search (see [below for nested schema](#nestedatt--variables))
+
+<a id="nestedatt--variables"></a>
+### Nested Schema for `variables`
+
+Read-Only:
+
+- `environment_scope` (String)
+- `group` (String)
+- `key` (String)
+- `masked` (Boolean)
+- `protected` (Boolean)
+- `value` (String)
+- `variable_type` (String)
+
+

internal/provider/data_source_gitlab_group_variables_test.go

@@ -0,0 +1,40 @@
+package provider
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/xanzy/go-gitlab"
+)
+
+func TestAccDataSourceGitlabGroupVariables_basic(t *testing.T) {
+	testAccCheck(t)
+
+	testGroup := testAccCreateGroups(t, 1)[0]
+	testVariables := make([]*gitlab.GroupVariable, 0)
+	for i := 0; i < 25; i++ {
+		testVariables = append(testVariables, testAccCreateGroupVariable(t, testGroup.ID))
+	}
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		ProviderFactories: providerFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: fmt.Sprintf(`
+					data "gitlab_group_variables" "this" {
+						group = %d
+					}
+				`, testGroup.ID),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("data.gitlab_group_variables.this", "variables.#", fmt.Sprintf("%d", len(testVariables))),
+					resource.TestCheckResourceAttr("data.gitlab_group_variables.this", "variables.0.key", testVariables[0].Key),
+					resource.TestCheckResourceAttr("data.gitlab_group_variables.this", "variables.0.value", testVariables[0].Value),
+					resource.TestCheckResourceAttr("data.gitlab_group_variables.this", "variables.24.key", testVariables[24].Key),
+					resource.TestCheckResourceAttr("data.gitlab_group_variables.this", "variables.24.value", testVariables[24].Value),
+				),
+			},
+		},
+	})
+}

internal/provider/helper_test.go

@@ -369,6 +369,24 @@ func testAccCreateProjectVariable(t *testing.T, projectID int) *gitlab.ProjectVa
 	return variable
 }
 
+func testAccCreateGroupVariable(t *testing.T, groupID int) *gitlab.GroupVariable {
+	variable, _, err := testGitlabClient.GroupVariables.CreateVariable(groupID, &gitlab.CreateGroupVariableOptions{
+		Key:   gitlab.String(fmt.Sprintf("test_key_%d", acctest.RandInt())),
+		Value: gitlab.String("test_value"),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		if _, err := testGitlabClient.GroupVariables.RemoveVariable(groupID, variable.Key, nil); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	return variable
+}
+
 // testAccGitlabProjectContext encapsulates a GitLab client and test project to be used during an
 // acceptance test.
 type testAccGitlabProjectContext struct {