feat: implement function and http trigger resources via CRD
This commit is contained in:
Naeel
@@ -2,34 +2,282 @@ package resources
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import (
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"context"
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"fmt"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"terraform-provider-fission/internal/client"
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)
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var _ resource.Resource = &HTTPTriggerResource{}
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type HTTPTriggerResource struct{}
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// Изменено: 2026-04-14 20:15 UTC.
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// Resource для управления Fission HTTPTrigger через Kubernetes CRD API.
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type HTTPTriggerResource struct {
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client *client.Client
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}
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// httpTriggerResourceModel описывает состояние terraform ресурса fission_http_trigger.
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type httpTriggerResourceModel struct {
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ID types.String `tfsdk:"id"`
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Name types.String `tfsdk:"name"`
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Function types.String `tfsdk:"function"`
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URL types.String `tfsdk:"url"`
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Methods types.List `tfsdk:"methods"`
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CreateIngress types.Bool `tfsdk:"create_ingress"`
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Host types.String `tfsdk:"host"`
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Namespace types.String `tfsdk:"namespace"`
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UID types.String `tfsdk:"uid"`
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}
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// NewHTTPTriggerResource создает инстанс ресурса HTTP trigger.
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func NewHTTPTriggerResource() resource.Resource {
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return &HTTPTriggerResource{}
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}
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// Metadata задает имя ресурса fission_http_trigger.
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func (r *HTTPTriggerResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_http_trigger"
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}
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// Schema задает Terraform schema для HTTPTrigger.
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func (r *HTTPTriggerResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{}
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resp.Schema = schema.Schema{
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Computed: true,
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Description: "Идентификатор ресурса (namespace/name).",
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},
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"name": schema.StringAttribute{
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Required: true,
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Description: "Имя Fission HTTPTrigger.",
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},
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"function": schema.StringAttribute{
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Required: true,
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Description: "Имя Fission Function, к которой привязан trigger.",
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},
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"url": schema.StringAttribute{
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Required: true,
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Description: "Относительный URL, например /hello.",
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},
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"methods": schema.ListAttribute{
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Optional: true,
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ElementType: types.StringType,
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Description: "HTTP методы trigger, например [\"GET\", \"POST\"].",
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},
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"create_ingress": schema.BoolAttribute{
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Optional: true,
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Description: "Включает создание ingress правила в Fission.",
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},
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"host": schema.StringAttribute{
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Optional: true,
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Description: "Host для ingressconfig.host при create_ingress=true.",
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},
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"namespace": schema.StringAttribute{
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Optional: true,
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Computed: true,
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Description: "Namespace, где создается HTTPTrigger. По умолчанию используется provider namespace.",
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},
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"uid": schema.StringAttribute{
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Computed: true,
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Description: "UID Kubernetes объекта HTTPTrigger.",
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},
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},
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}
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}
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func (r *HTTPTriggerResource) Configure(_ context.Context, _ resource.ConfigureRequest, _ *resource.ConfigureResponse) {
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// Configure получает клиент из provider.Configure().
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func (r *HTTPTriggerResource) Configure(_ context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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if req.ProviderData == nil {
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return
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}
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fissionClient, ok := req.ProviderData.(*client.Client)
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if !ok {
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resp.Diagnostics.AddError(
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"Некорректный тип provider data",
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fmt.Sprintf("Ожидался *client.Client, получен: %T", req.ProviderData),
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)
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return
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}
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r.client = fissionClient
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}
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func (r *HTTPTriggerResource) Create(_ context.Context, _ resource.CreateRequest, _ *resource.CreateResponse) {
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// Create создает новый HTTPTrigger CRD объект.
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func (r *HTTPTriggerResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
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var plan httpTriggerResourceModel
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resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
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if resp.Diagnostics.HasError() {
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return
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}
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namespace := resolveNamespace(plan.Namespace, r.client.Namespace)
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triggerObject, err := httpTriggerToUnstructured(ctx, plan, namespace)
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if err != nil {
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resp.Diagnostics.AddError("Ошибка подготовки HTTPTrigger", err.Error())
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return
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}
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createdTrigger, err := r.client.CreateHTTPTrigger(ctx, triggerObject)
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if err != nil {
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resp.Diagnostics.AddError("Ошибка создания Fission HTTPTrigger", err.Error())
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return
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}
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state := unstructuredToHTTPTriggerModel(ctx, createdTrigger, plan)
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resp.Diagnostics.Append(resp.State.Set(ctx, &state)...)
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}
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func (r *HTTPTriggerResource) Read(_ context.Context, _ resource.ReadRequest, _ *resource.ReadResponse) {
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// Read синхронизирует Terraform state с текущим состоянием HTTPTrigger CRD.
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func (r *HTTPTriggerResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
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var state httpTriggerResourceModel
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resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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namespace := resolveNamespace(state.Namespace, r.client.Namespace)
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triggerObject, err := r.client.GetHTTPTrigger(ctx, namespace, state.Name.ValueString())
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if err != nil {
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if client.IsNotFound(err) {
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resp.State.RemoveResource(ctx)
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return
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}
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resp.Diagnostics.AddError("Ошибка чтения Fission HTTPTrigger", err.Error())
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return
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}
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updatedState := unstructuredToHTTPTriggerModel(ctx, triggerObject, state)
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resp.Diagnostics.Append(resp.State.Set(ctx, &updatedState)...)
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}
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func (r *HTTPTriggerResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) {
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// Update обновляет существующий HTTPTrigger CRD объект.
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func (r *HTTPTriggerResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
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var plan httpTriggerResourceModel
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resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
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if resp.Diagnostics.HasError() {
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return
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}
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namespace := resolveNamespace(plan.Namespace, r.client.Namespace)
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existingTrigger, err := r.client.GetHTTPTrigger(ctx, namespace, plan.Name.ValueString())
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if err != nil {
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resp.Diagnostics.AddError("Ошибка получения HTTPTrigger перед обновлением", err.Error())
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return
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}
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triggerObject, err := httpTriggerToUnstructured(ctx, plan, namespace)
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if err != nil {
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resp.Diagnostics.AddError("Ошибка подготовки HTTPTrigger", err.Error())
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return
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}
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triggerObject.SetResourceVersion(existingTrigger.GetResourceVersion())
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updatedTrigger, err := r.client.UpdateHTTPTrigger(ctx, triggerObject)
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if err != nil {
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resp.Diagnostics.AddError("Ошибка обновления Fission HTTPTrigger", err.Error())
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return
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}
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state := unstructuredToHTTPTriggerModel(ctx, updatedTrigger, plan)
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resp.Diagnostics.Append(resp.State.Set(ctx, &state)...)
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}
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func (r *HTTPTriggerResource) Delete(_ context.Context, _ resource.DeleteRequest, _ *resource.DeleteResponse) {
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// Delete удаляет HTTPTrigger CRD объект.
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func (r *HTTPTriggerResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
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var state httpTriggerResourceModel
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resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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namespace := resolveNamespace(state.Namespace, r.client.Namespace)
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err := r.client.DeleteHTTPTrigger(ctx, namespace, state.Name.ValueString())
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if err != nil && !client.IsNotFound(err) {
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resp.Diagnostics.AddError("Ошибка удаления Fission HTTPTrigger", err.Error())
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}
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}
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// httpTriggerToUnstructured преобразует Terraform model в Kubernetes CRD payload.
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func httpTriggerToUnstructured(ctx context.Context, model httpTriggerResourceModel, namespace string) (*unstructured.Unstructured, error) {
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methods := []string{"GET"}
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if !model.Methods.IsNull() && !model.Methods.IsUnknown() {
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if len(model.Methods.Elements()) > 0 {
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methods = []string{}
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var methodValues []string
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diags := model.Methods.ElementsAs(ctx, &methodValues, false)
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if diags.HasError() {
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return nil, fmt.Errorf("convert methods list")
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}
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methods = append(methods, methodValues...)
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}
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}
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createIngress := false
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if !model.CreateIngress.IsNull() && !model.CreateIngress.IsUnknown() {
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createIngress = model.CreateIngress.ValueBool()
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}
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object := map[string]interface{}{
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"apiVersion": "fission.io/v1",
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"kind": "HTTPTrigger",
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"metadata": map[string]interface{}{
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"name": model.Name.ValueString(),
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"namespace": namespace,
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},
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"spec": map[string]interface{}{
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"relativeurl": model.URL.ValueString(),
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"methods": methods,
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"functionref": map[string]interface{}{
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"type": "name",
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"name": model.Function.ValueString(),
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},
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"createingress": createIngress,
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},
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}
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host := model.Host.ValueString()
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if host != "" {
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_ = unstructured.SetNestedField(object, map[string]interface{}{"host": host}, "spec", "ingressconfig")
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}
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return &unstructured.Unstructured{Object: object}, nil
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}
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// unstructuredToHTTPTriggerModel читает нужные поля из CRD объекта обратно в Terraform state.
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func unstructuredToHTTPTriggerModel(ctx context.Context, triggerObject *unstructured.Unstructured, base httpTriggerResourceModel) httpTriggerResourceModel {
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urlValue, _, _ := unstructured.NestedString(triggerObject.Object, "spec", "relativeurl")
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functionName, _, _ := unstructured.NestedString(triggerObject.Object, "spec", "functionref", "name")
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hostValue, _, _ := unstructured.NestedString(triggerObject.Object, "spec", "ingressconfig", "host")
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createIngressValue, foundCreateIngress, _ := unstructured.NestedBool(triggerObject.Object, "spec", "createingress")
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methodsValue, _, _ := unstructured.NestedStringSlice(triggerObject.Object, "spec", "methods")
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methodsList, _ := types.ListValueFrom(ctx, types.StringType, methodsValue)
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state := base
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state.Name = types.StringValue(triggerObject.GetName())
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state.Namespace = types.StringValue(triggerObject.GetNamespace())
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state.ID = types.StringValue(fmt.Sprintf("%s/%s", triggerObject.GetNamespace(), triggerObject.GetName()))
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state.UID = types.StringValue(string(triggerObject.GetUID()))
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state.Methods = methodsList
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if urlValue != "" {
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state.URL = types.StringValue(urlValue)
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}
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if functionName != "" {
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state.Function = types.StringValue(functionName)
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}
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if hostValue != "" {
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state.Host = types.StringValue(hostValue)
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}
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if foundCreateIngress {
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state.CreateIngress = types.BoolValue(createIngressValue)
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}
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return state
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}
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