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Terraform Provider Resources Implementation Guide

Terraform Provider资源实现指南

Overview

概述

This guide covers developing Terraform Provider resources and data sources using the Terraform Plugin Framework. Resources represent infrastructure objects that Terraform manages through Create, Read, Update, and Delete (CRUD) operations.
References:
本指南介绍如何使用Terraform Plugin Framework开发Terraform Provider资源和数据源。资源代表Terraform通过创建、读取、更新和删除（CRUD）操作管理的基础设施对象。
参考资料：

File Structure

文件结构

Resources follow the standard service package structure:
internal/service/<service>/
├── <resource_name>.go           # Resource implementation
├── <resource_name>_test.go      # Acceptance tests
├── <resource_name>_data_source.go    # Data source (if applicable)
├── find.go                      # Finder functions
├── exports_test.go              # Test exports
└── service_package_gen.go       # Auto-generated registration
Documentation structure:
website/docs/r/
└── <service>_<resource_name>.html.markdown  # Resource documentation

website/docs/d/
└── <service>_<resource_name>.html.markdown  # Data source documentation
资源遵循标准的服务包结构：
internal/service/<service>/
├── <resource_name>.go           # 资源实现代码
├── <resource_name>_test.go      # 验收测试
├── <resource_name>_data_source.go    # 数据源（如适用）
├── find.go                      # 查找器函数
├── exports_test.go              # 测试导出
└── service_package_gen.go       # 自动生成的注册代码
文档结构：
website/docs/r/
└── <service>_<resource_name>.html.markdown  # 资源文档

website/docs/d/
└── <service>_<resource_name>.html.markdown  # 数据源文档

Resource Structure

资源结构

SDKv2 Resource Pattern

SDKv2资源模式

go
func ResourceExample() *schema.Resource {
    return &schema.Resource{
        CreateWithoutTimeout: resourceExampleCreate,
        ReadWithoutTimeout:   resourceExampleRead,
        UpdateWithoutTimeout: resourceExampleUpdate,
        DeleteWithoutTimeout: resourceExampleDelete,

        Importer: &schema.ResourceImporter{
            StateContext: schema.ImportStatePassthroughContext,
        },

        Schema: map[string]*schema.Schema{
            "name": {
                Type:         schema.TypeString,
                Required:     true,
                ForceNew:     true,
                ValidateFunc: validation.StringLenBetween(1, 255),
            },
            "arn": {
                Type:     schema.TypeString,
                Computed: true,
            },
            "tags":     tftags.TagsSchema(),
            "tags_all": tftags.TagsSchemaComputed(),
        },

        CustomizeDiff: verify.SetTagsDiff,
    }
}
go
func ResourceExample() *schema.Resource {
    return &schema.Resource{
        CreateWithoutTimeout: resourceExampleCreate,
        ReadWithoutTimeout:   resourceExampleRead,
        UpdateWithoutTimeout: resourceExampleUpdate,
        DeleteWithoutTimeout: resourceExampleDelete,

        Importer: &schema.ResourceImporter{
            StateContext: schema.ImportStatePassthroughContext,
        },

        Schema: map[string]*schema.Schema{
            "name": {
                Type:         schema.TypeString,
                Required:     true,
                ForceNew:     true,
                ValidateFunc: validation.StringLenBetween(1, 255),
            },
            "arn": {
                Type:     schema.TypeString,
                Computed: true,
            },
            "tags":     tftags.TagsSchema(),
            "tags_all": tftags.TagsSchemaComputed(),
        },

        CustomizeDiff: verify.SetTagsDiff,
    }
}

Plugin Framework Resource Pattern

Plugin Framework资源模式

go
type resourceExample struct {
    framework.ResourceWithConfigure
}

func (r *resourceExample) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
    resp.TypeName = req.ProviderTypeName + "_example"
}

func (r *resourceExample) Schema(ctx context.Context, req resource.SchemaRequest, resp *resource.SchemaResponse) {
    resp.Schema = schema.Schema{
        Attributes: map[string]schema.Attribute{
            "id": framework.IDAttribute(),
            "name": schema.StringAttribute{
                Required: true,
                PlanModifiers: []planmodifier.String{
                    stringplanmodifier.RequiresReplace(),
                },
                Validators: []validator.String{
                    stringvalidator.LengthBetween(1, 255),
                },
            },
            "arn": schema.StringAttribute{
                Computed: true,
                PlanModifiers: []planmodifier.String{
                    stringplanmodifier.UseStateForUnknown(),
                },
            },
        },
    }
}
go
type resourceExample struct {
    framework.ResourceWithConfigure
}

func (r *resourceExample) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
    resp.TypeName = req.ProviderTypeName + "_example"
}

func (r *resourceExample) Schema(ctx context.Context, req resource.SchemaRequest, resp *resource.SchemaResponse) {
    resp.Schema = schema.Schema{
        Attributes: map[string]schema.Attribute{
            "id": framework.IDAttribute(),
            "name": schema.StringAttribute{
                Required: true,
                PlanModifiers: []planmodifier.String{
                    stringplanmodifier.RequiresReplace(),
                },
                Validators: []validator.String{
                    stringvalidator.LengthBetween(1, 255),
                },
            },
            "arn": schema.StringAttribute{
                Computed: true,
                PlanModifiers: []planmodifier.String{
                    stringplanmodifier.UseStateForUnknown(),
                },
            },
        },
    }
}

CRUD Operations

CRUD操作

Create Operation

创建操作

go
func (r *resourceExample) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.Plan.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    input := &example.CreateExampleInput{
        Name: data.Name.ValueStringPointer(),
    }

    output, err := conn.CreateExample(ctx, input)
    if err != nil {
        resp.Diagnostics.AddError(
            "Error creating Example",
            fmt.Sprintf("Could not create example %s: %s", data.Name.ValueString(), err),
        )
        return
    }

    data.ID = types.StringPointerValue(output.Id)
    data.ARN = types.StringPointerValue(output.Arn)

    resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
}
go
func (r *resourceExample) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.Plan.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    input := &example.CreateExampleInput{
        Name: data.Name.ValueStringPointer(),
    }

    output, err := conn.CreateExample(ctx, input)
    if err != nil {
        resp.Diagnostics.AddError(
            "创建Example资源出错",
            fmt.Sprintf("无法创建Example %s: %s", data.Name.ValueString(), err),
        )
        return
    }

    data.ID = types.StringPointerValue(output.Id)
    data.ARN = types.StringPointerValue(output.Arn)

    resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
}

Read Operation

读取操作

go
func (r *resourceExample) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    output, err := findExampleByID(ctx, conn, data.ID.ValueString())
    if tfresource.NotFound(err) {
        resp.Diagnostics.AddWarning(
            "Resource not found",
            fmt.Sprintf("Example %s not found, removing from state", data.ID.ValueString()),
        )
        resp.State.RemoveResource(ctx)
        return
    }
    if err != nil {
        resp.Diagnostics.AddError(
            "Error reading Example",
            fmt.Sprintf("Could not read example %s: %s", data.ID.ValueString(), err),
        )
        return
    }

    data.Name = types.StringPointerValue(output.Name)
    data.ARN = types.StringPointerValue(output.Arn)

    resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
}
go
func (r *resourceExample) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    output, err := findExampleByID(ctx, conn, data.ID.ValueString())
    if tfresource.NotFound(err) {
        resp.Diagnostics.AddWarning(
            "资源未找到",
            fmt.Sprintf("Example %s未找到，将从状态中移除", data.ID.ValueString()),
        )
        resp.State.RemoveResource(ctx)
        return
    }
    if err != nil {
        resp.Diagnostics.AddError(
            "读取Example资源出错",
            fmt.Sprintf("无法读取Example %s: %s", data.ID.ValueString(), err),
        )
        return
    }

    data.Name = types.StringPointerValue(output.Name)
    data.ARN = types.StringPointerValue(output.Arn)

    resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
}

Update Operation

更新操作

go
func (r *resourceExample) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
    var plan, state resourceExampleModel
    resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
    resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    if !plan.Description.Equal(state.Description) {
        input := &example.UpdateExampleInput{
            Id:          plan.ID.ValueStringPointer(),
            Description: plan.Description.ValueStringPointer(),
        }

        _, err := conn.UpdateExample(ctx, input)
        if err != nil {
            resp.Diagnostics.AddError(
                "Error updating Example",
                fmt.Sprintf("Could not update example %s: %s", plan.ID.ValueString(), err),
            )
            return
        }
    }

    resp.Diagnostics.Append(resp.State.Set(ctx, &plan)...)
}
go
func (r *resourceExample) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
    var plan, state resourceExampleModel
    resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
    resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    if !plan.Description.Equal(state.Description) {
        input := &example.UpdateExampleInput{
            Id:          plan.ID.ValueStringPointer(),
            Description: plan.Description.ValueStringPointer(),
        }

        _, err := conn.UpdateExample(ctx, input)
        if err != nil {
            resp.Diagnostics.AddError(
                "更新Example资源出错",
                fmt.Sprintf("无法更新Example %s: %s", plan.ID.ValueString(), err),
            )
            return
        }
    }

    resp.Diagnostics.Append(resp.State.Set(ctx, &plan)...)
}

Delete Operation

删除操作

go
func (r *resourceExample) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    _, err := conn.DeleteExample(ctx, &example.DeleteExampleInput{
        Id: data.ID.ValueStringPointer(),
    })

    if tfresource.NotFound(err) {
        return
    }

    if err != nil {
        resp.Diagnostics.AddError(
            "Error deleting Example",
            fmt.Sprintf("Could not delete example %s: %s", data.ID.ValueString(), err),
        )
        return
    }
}
go
func (r *resourceExample) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
    var data resourceExampleModel
    resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
    if resp.Diagnostics.HasError() {
        return
    }

    conn := r.Meta().ExampleClient(ctx)

    _, err := conn.DeleteExample(ctx, &example.DeleteExampleInput{
        Id: data.ID.ValueStringPointer(),
    })

    if tfresource.NotFound(err) {
        return
    }

    if err != nil {
        resp.Diagnostics.AddError(
            "删除Example资源出错",
            fmt.Sprintf("无法删除Example %s: %s", data.ID.ValueString(), err),
        )
        return
    }
}

Schema Design

Schema设计

Attribute Types

属性类型

Terraform TypeFramework TypeUse Case
string
schema.StringAttribute
Names, ARNs, IDs
number
schema.Int64Attribute
, 
schema.Float64Attribute
Counts, sizes
bool
schema.BoolAttribute
Feature flags
list
schema.ListAttribute
Ordered collections
set
schema.SetAttribute
Unordered unique items
map
schema.MapAttribute
Key-value pairs
object
schema.SingleNestedAttribute
Complex nested config
Terraform类型Framework类型使用场景
string
schema.StringAttribute
名称、ARN、ID
number
schema.Int64Attribute
, 
schema.Float64Attribute
计数、大小
bool
schema.BoolAttribute
功能开关
list
schema.ListAttribute
有序集合
set
schema.SetAttribute
无序唯一项
map
schema.MapAttribute
键值对
object
schema.SingleNestedAttribute
复杂嵌套配置

Plan Modifiers

计划修饰器

go
// Force replacement when value changes
stringplanmodifier.RequiresReplace()

// Preserve unknown value during plan
stringplanmodifier.UseStateForUnknown()

// Custom plan modifier
stringplanmodifier.RequiresReplaceIf(
    func(ctx context.Context, req planmodifier.StringRequest, resp *stringplanmodifier.RequiresReplaceIfFuncResponse) {
        // Custom logic
    },
    "description",
    "markdown description",
)
go
// 值变更时强制替换资源
stringplanmodifier.RequiresReplace()

// 计划阶段保留未知值
stringplanmodifier.UseStateForUnknown()

// 自定义计划修饰器
stringplanmodifier.RequiresReplaceIf(
    func(ctx context.Context, req planmodifier.StringRequest, resp *stringplanmodifier.RequiresReplaceIfFuncResponse) {
        // 自定义逻辑
    },
    "description",
    "markdown描述",
)

Validators

验证器

go
// String validators
stringvalidator.LengthBetween(1, 255)
stringvalidator.RegexMatches(regexp.MustCompile(`^[a-z0-9-]+$`), "must be lowercase alphanumeric with hyphens")
stringvalidator.OneOf("option1", "option2", "option3")

// Int64 validators
int64validator.Between(1, 100)
int64validator.AtLeast(1)
int64validator.AtMost(1000)

// List validators
listvalidator.SizeAtLeast(1)
listvalidator.SizeAtMost(10)
go
// 字符串验证器
stringvalidator.LengthBetween(1, 255)
stringvalidator.RegexMatches(regexp.MustCompile(`^[a-z0-9-]+$`), "必须是小写字母数字加连字符")
stringvalidator.OneOf("option1", "option2", "option3")

// Int64验证器
int64validator.Between(1, 100)
int64validator.AtLeast(1)
int64validator.AtMost(1000)

// 列表验证器
listvalidator.SizeAtLeast(1)
listvalidator.SizeAtMost(10)

Sensitive Attributes

敏感属性

go
"password": schema.StringAttribute{
    Required:  true,
    Sensitive: true,
    Validators: []validator.String{
        stringvalidator.LengthAtLeast(8),
    },
}
go
"password": schema.StringAttribute{
    Required:  true,
    Sensitive: true,
    Validators: []validator.String{
        stringvalidator.LengthAtLeast(8),
    },
}

State Management

状态管理

Handling Resource Not Found

处理资源未找到的情况

go
func findExampleByID(ctx context.Context, conn *example.Client, id string) (*example.Example, error) {
    input := &example.GetExampleInput{
        Id: &id,
    }

    output, err := conn.GetExample(ctx, input)
    if err != nil {
        var notFound *types.ResourceNotFoundException
        if errors.As(err, &notFound) {
            return nil, &retry.NotFoundError{
                LastError:   err,
                LastRequest: input,
            }
        }
        return nil, err
    }

    if output == nil || output.Example == nil {
        return nil, tfresource.NewEmptyResultError(input)
    }

    return output.Example, nil
}
go
func findExampleByID(ctx context.Context, conn *example.Client, id string) (*example.Example, error) {
    input := &example.GetExampleInput{
        Id: &id,
    }

    output, err := conn.GetExample(ctx, input)
    if err != nil {
        var notFound *types.ResourceNotFoundException
        if errors.As(err, &notFound) {
            return nil, &retry.NotFoundError{
                LastError:   err,
                LastRequest: input,
            }
        }
        return nil, err
    }

    if output == nil || output.Example == nil {
        return nil, tfresource.NewEmptyResultError(input)
    }

    return output.Example, nil
}

Waiting for Resource States

等待资源状态

go
func waitExampleCreated(ctx context.Context, conn *example.Client, id string, timeout time.Duration) (*example.Example, error) {
    stateConf := &retry.StateChangeConf{
        Pending: []string{"CREATING", "PENDING"},
        Target:  []string{"ACTIVE", "AVAILABLE"},
        Refresh: statusExample(ctx, conn, id),
        Timeout: timeout,
    }

    outputRaw, err := stateConf.WaitForStateContext(ctx)
    if output, ok := outputRaw.(*example.Example); ok {
        return output, err
    }

    return nil, err
}

func statusExample(ctx context.Context, conn *example.Client, id string) retry.StateRefreshFunc {
    return func() (interface{}, string, error) {
        output, err := findExampleByID(ctx, conn, id)
        if tfresource.NotFound(err) {
            return nil, "", nil
        }
        if err != nil {
            return nil, "", err
        }
        return output, string(output.Status), nil
    }
}
go
func waitExampleCreated(ctx context.Context, conn *example.Client, id string, timeout time.Duration) (*example.Example, error) {
    stateConf := &retry.StateChangeConf{
        Pending: []string{"CREATING", "PENDING"},
        Target:  []string{"ACTIVE", "AVAILABLE"},
        Refresh: statusExample(ctx, conn, id),
        Timeout: timeout,
    }

    outputRaw, err := stateConf.WaitForStateContext(ctx)
    if output, ok := outputRaw.(*example.Example); ok {
        return output, err
    }

    return nil, err
}

func statusExample(ctx context.Context, conn *example.Client, id string) retry.StateRefreshFunc {
    return func() (interface{}, string, error) {
        output, err := findExampleByID(ctx, conn, id)
        if tfresource.NotFound(err) {
            return nil, "", nil
        }
        if err != nil {
            return nil, "", err
        }
        return output, string(output.Status), nil
    }
}

Testing

测试

Basic Acceptance Test

基础验收测试

go
func TestAccExampleResource_basic(t *testing.T) {
    ctx := acctest.Context(t)
    rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
    resourceName := "provider_example.test"

    resource.ParallelTest(t, resource.TestCase{
        PreCheck:                 func() { acctest.PreCheck(ctx, t) },
        ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
        CheckDestroy:             testAccCheckExampleDestroy(ctx),
        Steps: []resource.TestStep{
            {
                Config: testAccExampleConfig_basic(rName),
                Check: resource.ComposeTestCheckFunc(
                    testAccCheckExampleExists(ctx, resourceName),
                    resource.TestCheckResourceAttr(resourceName, "name", rName),
                    resource.TestCheckResourceAttrSet(resourceName, "arn"),
                ),
            },
            {
                ResourceName:      resourceName,
                ImportState:       true,
                ImportStateVerify: true,
            },
        },
    })
}
go
func TestAccExampleResource_basic(t *testing.T) {
    ctx := acctest.Context(t)
    rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
    resourceName := "provider_example.test"

    resource.ParallelTest(t, resource.TestCase{
        PreCheck:                 func() { acctest.PreCheck(ctx, t) },
        ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
        CheckDestroy:             testAccCheckExampleDestroy(ctx),
        Steps: []resource.TestStep{
            {
                Config: testAccExampleConfig_basic(rName),
                Check: resource.ComposeTestCheckFunc(
                    testAccCheckExampleExists(ctx, resourceName),
                    resource.TestCheckResourceAttr(resourceName, "name", rName),
                    resource.TestCheckResourceAttrSet(resourceName, "arn"),
                ),
            },
            {
                ResourceName:      resourceName,
                ImportState:       true,
                ImportStateVerify: true,
            },
        },
    })
}

Disappears Test

资源消失测试

go
func TestAccExampleResource_disappears(t *testing.T) {
    ctx := acctest.Context(t)
    rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
    resourceName := "provider_example.test"

    resource.ParallelTest(t, resource.TestCase{
        PreCheck:                 func() { acctest.PreCheck(ctx, t) },
        ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
        CheckDestroy:             testAccCheckExampleDestroy(ctx),
        Steps: []resource.TestStep{
            {
                Config: testAccExampleConfig_basic(rName),
                Check: resource.ComposeTestCheckFunc(
                    testAccCheckExampleExists(ctx, resourceName),
                    acctest.CheckResourceDisappears(ctx, acctest.Provider, ResourceExample(), resourceName),
                ),
                ExpectNonEmptyPlan: true,
            },
        },
    })
}
go
func TestAccExampleResource_disappears(t *testing.T) {
    ctx := acctest.Context(t)
    rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
    resourceName := "provider_example.test"

    resource.ParallelTest(t, resource.TestCase{
        PreCheck:                 func() { acctest.PreCheck(ctx, t) },
        ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
        CheckDestroy:             testAccCheckExampleDestroy(ctx),
        Steps: []resource.TestStep{
            {
                Config: testAccExampleConfig_basic(rName),
                Check: resource.ComposeTestCheckFunc(
                    testAccCheckExampleExists(ctx, resourceName),
                    acctest.CheckResourceDisappears(ctx, acctest.Provider, ResourceExample(), resourceName),
                ),
                ExpectNonEmptyPlan: true,
            },
        },
    })
}

Test Helper Functions

测试辅助函数

go
func testAccCheckExampleExists(ctx context.Context, name string) resource.TestCheckFunc {
    return func(s *terraform.State) error {
        rs, ok := s.RootModule().Resources[name]
        if !ok {
            return fmt.Errorf("Not found: %s", name)
        }

        conn := acctest.Provider.Meta().(*conns.Client).ExampleClient(ctx)
        _, err := findExampleByID(ctx, conn, rs.Primary.ID)

        return err
    }
}

func testAccCheckExampleDestroy(ctx context.Context) resource.TestCheckFunc {
    return func(s *terraform.State) error {
        conn := acctest.Provider.Meta().(*conns.Client).ExampleClient(ctx)

        for _, rs := range s.RootModule().Resources {
            if rs.Type != "provider_example" {
                continue
            }

            _, err := findExampleByID(ctx, conn, rs.Primary.ID)
            if tfresource.NotFound(err) {
                continue
            }
            if err != nil {
                return err
            }

            return fmt.Errorf("Example %s still exists", rs.Primary.ID)
        }

        return nil
    }
}
go
func testAccCheckExampleExists(ctx context.Context, name string) resource.TestCheckFunc {
    return func(s *terraform.State) error {
        rs, ok := s.RootModule().Resources[name]
        if !ok {
            return fmt.Errorf("未找到: %s", name)
        }

        conn := acctest.Provider.Meta().(*conns.Client).ExampleClient(ctx)
        _, err := findExampleByID(ctx, conn, rs.Primary.ID)

        return err
    }
}

func testAccCheckExampleDestroy(ctx context.Context) resource.TestCheckFunc {
    return func(s *terraform.State) error {
        conn := acctest.Provider.Meta().(*conns.Client).ExampleClient(ctx)

        for _, rs := range s.RootModule().Resources {
            if rs.Type != "provider_example" {
                continue
            }

            _, err := findExampleByID(ctx, conn, rs.Primary.ID)
            if tfresource.NotFound(err) {
                continue
            }
            if err != nil {
                return err
            }

            return fmt.Errorf("Example %s仍然存在", rs.Primary.ID)
        }

        return nil
    }
}

Running Tests

运行测试

bash
undefined
bash
undefined

Compile tests

编译测试

go test -c -o /dev/null ./internal/service/<service>
go test -c -o /dev/null ./internal/service/<service>

Run acceptance tests

运行验收测试

TF_ACC=1 go test ./internal/service/<service> -run TestAccExample -v -timeout 60m
TF_ACC=1 go test ./internal/service/<service> -run TestAccExample -v -timeout 60m

Run with specific provider version

使用特定Provider版本运行

TF_ACC=1 go test ./internal/service/<service> -run TestAccExample -v
TF_ACC=1 go test ./internal/service/<service> -run TestAccExample -v

Run sweeper to clean up

运行清理工具

TF_ACC=1 go test ./internal/service/<service> -sweep=<region> -v
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TF_ACC=1 go test ./internal/service/<service> -sweep=<region> -v
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Error Handling

错误处理

Common Error Patterns

常见错误模式

go
// Handle specific API errors
var notFound *types.ResourceNotFoundException
if errors.As(err, &notFound) {
    // Resource doesn't exist
}

var conflict *types.ConflictException
if errors.As(err, &conflict) {
    // Resource state conflict
}

var throttle *types.ThrottlingException
if errors.As(err, &throttle) {
    // Rate limited - SDK handles retry
}
go
// 处理特定API错误
var notFound *types.ResourceNotFoundException
if errors.As(err, &notFound) {
    // 资源不存在
}

var conflict *types.ConflictException
if errors.As(err, &conflict) {
    // 资源状态冲突
}

var throttle *types.ThrottlingException
if errors.As(err, &throttle) {
    // 速率限制 - SDK会处理重试
}

Diagnostics

诊断信息

go
// Add error
resp.Diagnostics.AddError(
    "Error creating resource",
    fmt.Sprintf("Could not create resource: %s", err),
)

// Add warning
resp.Diagnostics.AddWarning(
    "Resource modified outside Terraform",
    "Resource was modified outside of Terraform, state may be inconsistent",
)

// Add attribute error
resp.Diagnostics.AddAttributeError(
    path.Root("name"),
    "Invalid name",
    "Name must be lowercase alphanumeric",
)
go
// 添加错误信息
resp.Diagnostics.AddError(
    "创建资源出错",
    fmt.Sprintf("无法创建资源: %s", err),
)

// 添加警告信息
resp.Diagnostics.AddWarning(
    "资源在Terraform外部被修改",
    "资源在Terraform外部被修改，状态可能不一致",
)

// 添加属性错误
resp.Diagnostics.AddAttributeError(
    path.Root("name"),
    "无效名称",
    "名称必须是小写字母数字",
)

Documentation Standards

文档标准

Resource Documentation

资源文档

markdown
---
subcategory: "Service Name"
layout: "provider"
page_title: "Provider: provider_example"
description: |-
  Manages an Example resource.
---
markdown
---
subcategory: "服务名称"
layout: "provider"
page_title: "Provider: provider_example"
description: |-
  管理Example资源。
---

Resource: provider_example

资源: provider_example

Manages an Example resource.
管理Example资源。

Example Usage

示例用法

Basic Usage

基础用法

```hcl resource "provider_example" "example" { name = "my-example" } ```
```hcl resource "provider_example" "example" { name = "my-example" } ```

Argument Reference

参数参考

  • name
    - (Required) Name of the example.
  • description
    - (Optional) Description of the example.
  • name
    - (必填) Example的名称。
  • description
    - (可选) Example的描述。

Attribute Reference

属性参考

  • id
    - ID of the example.
  • arn
    - ARN of the example.
  • id
    - Example的ID。
  • arn
    - Example的ARN。

Import

导入

Example can be imported using the ID:
``` $ terraform import provider_example.example example-id-12345 ```
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可以使用ID导入Example资源：
``` $ terraform import provider_example.example example-id-12345 ```
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Pre-Submission Checklist

提交前检查清单

  • Code compiles without errors
  • All tests pass locally
  • Resource has all CRUD operations implemented
  • Import is implemented and tested
  • Disappears test is included
  • Documentation is complete with examples
  • Error messages are clear and actionable
  • Sensitive attributes are marked
  • Plan modifiers are appropriate
  • Validators cover edge cases
  • 代码编译无错误
  • 所有测试本地通过
  • 资源已实现全部CRUD操作
  • 导入功能已实现并测试
  • 包含资源消失测试
  • 文档完整且带有示例
  • 错误消息清晰且可操作
  • 敏感属性已标记
  • 计划修饰器使用恰当
  • 验证器覆盖边缘场景

References

参考资料