feat: jaas group data source

docs/data-sources/jaas_group.md

@@ -0,0 +1,24 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "juju_jaas_group Data Source - terraform-provider-juju"
+subcategory: ""
+description: |-
+  A data source representing a Juju JAAS Group.
+---
+
+# juju_jaas_group (Data Source)
+
+A data source representing a Juju JAAS Group.
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `name` (String) The name of the group.
+
+### Read-Only
+
+- `uuid` (String) The UUID of the group.

internal/juju/jaas.go

@@ -150,7 +150,7 @@ func (jc *jaasClient) ReadRelations(ctx context.Context, tuple *JaasTuple) ([]Ja
 }
 
 // AddGroup attempts to create a new group with the provided name.
-func (jc *jaasClient) AddGroup(ctx context.Context, name string) (string, error) {
+func (jc *jaasClient) AddGroup(name string) (string, error) {
 	conn, err := jc.GetConnection(nil)
 	if err != nil {
 		return "", err
@@ -167,25 +167,33 @@ func (jc *jaasClient) AddGroup(ctx context.Context, name string) (string, error)
 	return resp.UUID, nil
 }
 
-// ReadGroup attempts to read a group that matches the provided UUID.
-func (jc *jaasClient) ReadGroup(ctx context.Context, uuid string) (*JaasGroup, error) {
+// ReadGroupByUUID attempts to read a group that matches the provided UUID.
+func (jc *jaasClient) ReadGroupByUUID(uuid string) (*JaasGroup, error) {
+	return jc.readGroup(&params.GetGroupRequest{UUID: uuid})
+}
+
+// ReadGroupByName attempts to read a group that matches the provided name.
+func (jc *jaasClient) ReadGroupByName(name string) (*JaasGroup, error) {
+	return jc.readGroup(&params.GetGroupRequest{Name: name})
+}
+
+func (jc *jaasClient) readGroup(req *params.GetGroupRequest) (*JaasGroup, error) {
 	conn, err := jc.GetConnection(nil)
 	if err != nil {
 		return nil, err
 	}
 	defer func() { _ = conn.Close() }()
 
 	client := jc.getJaasApiClient(conn)
-	req := params.GetGroupRequest{UUID: uuid}
-	resp, err := client.GetGroup(&req)
+	resp, err := client.GetGroup(req)
 	if err != nil {
 		return nil, err
 	}
 	return &JaasGroup{Name: resp.Name, UUID: resp.UUID}, nil
 }
 
 // RenameGroup attempts to rename a group that matches the provided name.
-func (jc *jaasClient) RenameGroup(ctx context.Context, name, newName string) error {
+func (jc *jaasClient) RenameGroup(name, newName string) error {
 	conn, err := jc.GetConnection(nil)
 	if err != nil {
 		return err
@@ -198,7 +206,7 @@ func (jc *jaasClient) RenameGroup(ctx context.Context, name, newName string) err
 }
 
 // RemoveGroup attempts to remove a group that matches the provided name.
-func (jc *jaasClient) RemoveGroup(ctx context.Context, name string) error {
+func (jc *jaasClient) RemoveGroup(name string) error {
 	conn, err := jc.GetConnection(nil)
 	if err != nil {
 		return err

internal/juju/jaas_test.go

@@ -163,7 +163,7 @@ func (s *JaasSuite) TestAddGroup() {
 	s.mockJaasClient.EXPECT().AddGroup(req).Return(resp, nil)
 
 	client := s.getJaasClient()
-	uuid, err := client.AddGroup(context.Background(), name)
+	uuid, err := client.AddGroup(name)
 	s.Require().NoError(err)
 	s.Require().Equal(resp.UUID, uuid)
 }
@@ -179,7 +179,7 @@ func (s *JaasSuite) TestGetGroup() {
 	s.mockJaasClient.EXPECT().GetGroup(req).Return(resp, nil)
 
 	client := s.getJaasClient()
-	gotGroup, err := client.ReadGroup(context.Background(), uuid)
+	gotGroup, err := client.ReadGroupByUUID(uuid)
 	s.Require().NoError(err)
 	s.Require().Equal(*gotGroup, JaasGroup{UUID: uuid, Name: name})
 }
@@ -193,7 +193,7 @@ func (s *JaasSuite) TestGetGroupNotFound() {
 	s.mockJaasClient.EXPECT().GetGroup(req).Return(params.GetGroupResponse{}, errors.New("group not found"))
 
 	client := s.getJaasClient()
-	gotGroup, err := client.ReadGroup(context.Background(), uuid)
+	gotGroup, err := client.ReadGroupByUUID(uuid)
 	s.Require().Error(err)
 	s.Require().Nil(gotGroup)
 }
@@ -207,7 +207,7 @@ func (s *JaasSuite) TestRenameGroup() {
 	s.mockJaasClient.EXPECT().RenameGroup(req).Return(nil)
 
 	client := s.getJaasClient()
-	err := client.RenameGroup(context.Background(), name, newName)
+	err := client.RenameGroup(name, newName)
 	s.Require().NoError(err)
 }
 
@@ -219,7 +219,7 @@ func (s *JaasSuite) TestRemoveGroup() {
 	s.mockJaasClient.EXPECT().RemoveGroup(req).Return(nil)
 
 	client := s.getJaasClient()
-	err := client.RemoveGroup(context.Background(), name)
+	err := client.RemoveGroup(name)
 	s.Require().NoError(err)
 }
 

internal/provider/data_source_jaas_group.go

@@ -0,0 +1,114 @@
+// Copyright 2024 Canonical Ltd.
+// Licensed under the Apache License, Version 2.0, see LICENCE file for details.
+
+package provider
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/hashicorp/terraform-plugin-log/tflog"
+	"github.com/juju/terraform-provider-juju/internal/juju"
+)
+
+type jaasGroupDataSource struct {
+	client *juju.Client
+
+	// subCtx is the context created with the new tflog subsystem for applications.
+	subCtx context.Context
+}
+
+// NewJAASGroupDataSource returns a new JAAS group data source instance.
+func NewJAASGroupDataSource() datasource.DataSource {
+	return &jaasGroupDataSource{}
+}
+
+type jaasGroupDataSourceModel struct {
+	Name types.String `tfsdk:"name"`
+	UUID types.String `tfsdk:"uuid"`
+}
+
+// Metadata returns the metadata for the JAAS group data source.
+func (d *jaasGroupDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
+	resp.TypeName = req.ProviderTypeName + "_jaas_group"
+}
+
+// Schema defines the schema for JAAS groups.
+func (d *jaasGroupDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	resp.Schema = schema.Schema{
+		Description: "A data source representing a Juju JAAS Group.",
+		Attributes: map[string]schema.Attribute{
+			"name": schema.StringAttribute{
+				Description: "The name of the group.",
+				Required:    true,
+			},
+			"uuid": schema.StringAttribute{
+				Description: "The UUID of the group.",
+				Computed:    true,
+			},
+		},
+	}
+}
+
+// Configure sets up the JAAS group data source with the provider data.
+func (d *jaasGroupDataSource) Configure(ctx context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
+	// Prevent panic if the provider has not been configured.
+	if req.ProviderData == nil {
+		return
+	}
+
+	client, ok := req.ProviderData.(*juju.Client)
+	if !ok {
+		resp.Diagnostics.AddError(
+			"Unexpected Data Source Configure Type",
+			fmt.Sprintf("Expected *http.Client, got: %T. Please report this issue to the provider developers.", req.ProviderData),
+		)
+		return
+	}
+
+	d.client = client
+	d.subCtx = tflog.NewSubsystem(ctx, LogDataSourceJAASGroup)
+}
+
+// Read updates the group data source with the latest data from JAAS.
+func (d *jaasGroupDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
+	// Prevent panic if the provider has not been configured.
+	if d.client == nil {
+		addDSClientNotConfiguredError(&resp.Diagnostics, "jaas-group")
+		return
+	}
+
+	var data jaasGroupDataSourceModel
+
+	// Read Terraform configuration state into the model
+	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	// Update the group with the latest data from JAAS
+	group, err := d.client.Jaas.ReadGroupByName(data.Name.String())
+	if err != nil {
+		resp.Diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read group, got error: %v", err))
+		return
+	}
+	data.UUID = types.StringValue(group.UUID)
+	d.trace(fmt.Sprintf("read group %q data source", data.Name))
+
+	// Save the updated group back to the state
+	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+}
+
+func (d *jaasGroupDataSource) trace(msg string, additionalFields ...map[string]interface{}) {
+	if d.subCtx == nil {
+		return
+	}
+
+	//SubsystemTrace(subCtx, "datasource-jaas-group", "hello, world", map[string]interface{}{"foo": 123})
+	// Output:
+	// {"@level":"trace","@message":"hello, world","@module":"juju.datasource-jaas-group","foo":123}
+	tflog.SubsystemTrace(d.subCtx, LogDataSourceJAASGroup, msg, additionalFields...)
+}

internal/provider/data_source_jaas_group_test.go

@@ -0,0 +1,49 @@
+// Copyright 2024 Canonical Ltd.
+// Licensed under the Apache License, Version 2.0, see LICENCE file for details.
+
+package provider
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-testing/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
+
+	internaltesting "github.com/juju/terraform-provider-juju/internal/testing"
+)
+
+func TestAcc_DataSourceJAASGroup(t *testing.T) {
+	OnlyTestAgainstJAAS(t)
+	groupName := acctest.RandomWithPrefix("tf-jaas-group")
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:                 func() { testAccPreCheck(t) },
+		ProtoV6ProviderFactories: frameworkProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceJAASGroup(groupName),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("data.juju_jaas_group.test", "name", groupName),
+					resource.TestCheckResourceAttrSet("data.juju_jaas_group.test", "uuid"),
+					resource.TestCheckResourceAttrPair("juju_jaas_group.test", "uuid", "data.juju_jaas_group.test", "uuid"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceJAASGroup(name string) string {
+	return internaltesting.GetStringFromTemplateWithData(
+		"testAccDataSourceJAASGroup",
+		`
+resource "juju_jaas_group" "test" {
+	name = "{{ .Name }}"
+}
+
+data "juju_jaas_group" "test" {
+	name = juju_jaas_group.test.name
+}
+`, internaltesting.TemplateData{
+			"Name": name,
+		})
+}

internal/provider/helpers.go

@@ -32,6 +32,8 @@ const (
 	LogResourceSecret       = "resource-secret"
 	LogResourceAccessSecret = "resource-access-secret"
 
+	LogDataSourceJAASGroup = "datasource-jaas-group"
+
 	LogResourceJAASAccessModel      = "resource-jaas-access-model"
 	LogResourceJAASAccessCloud      = "resource-jaas-access-cloud"
 	LogResourceJAASAccessGroup      = "resource-jaas-access-group"

internal/provider/provider.go

@@ -392,6 +392,7 @@ func (p *jujuProvider) DataSources(_ context.Context) []func() datasource.DataSo
 		func() datasource.DataSource { return NewModelDataSource() },
 		func() datasource.DataSource { return NewOfferDataSource() },
 		func() datasource.DataSource { return NewSecretDataSource() },
+		func() datasource.DataSource { return NewJAASGroupDataSource() },
 	}
 }
 

internal/provider/resource_jaas_group.go

@@ -106,7 +106,7 @@ func (resource *jaasGroupResource) Create(ctx context.Context, req resource.Crea
 	}
 
 	// Add the group to JAAS
-	uuid, err := resource.client.Jaas.AddGroup(ctx, plan.Name.ValueString())
+	uuid, err := resource.client.Jaas.AddGroup(plan.Name.ValueString())
 	if err != nil {
 		resp.Diagnostics.AddError("Client Error", fmt.Sprintf("Unable to add group %q, got error: %s", plan.Name.ValueString(), err))
 		return
@@ -133,7 +133,7 @@ func (resource *jaasGroupResource) Read(ctx context.Context, req resource.ReadRe
 	}
 
 	// Read the group from JAAS
-	group, err := resource.client.Jaas.ReadGroup(ctx, state.UUID.ValueString())
+	group, err := resource.client.Jaas.ReadGroupByUUID(state.UUID.ValueString())
 	if err != nil {
 		resp.Diagnostics.AddError("Client Error", fmt.Sprintf("Unable to get group %q, got error: %s", state.Name.ValueString(), err))
 		return
@@ -172,7 +172,7 @@ func (resource *jaasGroupResource) Update(ctx context.Context, req resource.Upda
 	}
 
 	// Rename the group in JAAS
-	err := resource.client.Jaas.RenameGroup(ctx, state.Name.ValueString(), plan.Name.ValueString())
+	err := resource.client.Jaas.RenameGroup(state.Name.ValueString(), plan.Name.ValueString())
 	if err != nil {
 		resp.Diagnostics.AddError("Client Error", fmt.Sprintf("Unable to rename group %q to %q, got error: %s", state.Name.ValueString(), plan.Name.ValueString(), err))
 		return
@@ -199,7 +199,7 @@ func (resource *jaasGroupResource) Delete(ctx context.Context, req resource.Dele
 	}
 
 	// Delete the group from JAAS
-	err := resource.client.Jaas.RemoveGroup(ctx, state.Name.ValueString())
+	err := resource.client.Jaas.RemoveGroup(state.Name.ValueString())
 	if err != nil {
 		resp.Diagnostics.AddError("Client Error", fmt.Sprintf("Unable to remove group %q, got error: %s", state.Name.ValueString(), err))
 		return

internal/provider/resource_jaas_group_test.go

@@ -4,7 +4,6 @@
 package provider
 
 import (
-	"context"
 	"errors"
 	"fmt"
 	"regexp"
@@ -77,7 +76,7 @@ func testAccCheckJaasGroupExists(resourceName string, checkExists bool) resource
 			return errors.New("No group uuid is set")
 		}
 
-		_, err := TestClient.Jaas.ReadGroup(context.Background(), uuid)
+		_, err := TestClient.Jaas.ReadGroupByUUID(uuid)
 		if checkExists && err != nil {
 			return fmt.Errorf("Group with uuid %q does not exist", uuid)
 		} else if !checkExists && err == nil {