288 lines
10 KiB
Go
288 lines
10 KiB
Go
package foo
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import (
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"context"
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"fmt"
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"strings"
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"github.com/hashicorp/terraform-plugin-framework/path"
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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/resource/schema/planmodifier"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringplanmodifier"
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"github.com/hashicorp/terraform-plugin-framework/schema/validator"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"github.com/hashicorp/terraform-plugin-log/tflog"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/conversion"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/core"
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fooUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/foo/utils"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/utils"
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"github.com/stackitcloud/stackit-sdk-go/services/foo" // Import service "foo" from the STACKIT SDK for Go
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// (...)
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)
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// Ensure the implementation satisfies the expected interfaces.
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var (
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_ resource.Resource = &barResource{}
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_ resource.ResourceWithConfigure = &barResource{}
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_ resource.ResourceWithImportState = &barResource{}
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)
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// Provider's internal model
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type Model struct {
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Id types.String `tfsdk:"id"` // needed by TF
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ProjectId types.String `tfsdk:"project_id"`
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BarId types.String `tfsdk:"bar_id"`
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MyRequiredField types.String `tfsdk:"my_required_field"`
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MyOptionalField types.String `tfsdk:"my_optional_field"`
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MyReadOnlyField types.String `tfsdk:"my_read_only_field"`
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}
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// NewBarResource is a helper function to simplify the provider implementation.
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func NewBarResource() resource.Resource {
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return &barResource{}
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}
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// barResource is the resource implementation.
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type barResource struct {
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client *foo.APIClient
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}
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// Metadata returns the resource type name.
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func (r *barResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_foo_bar"
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}
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// Configure adds the provider configured client to the resource.
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func (r *barResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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providerData, ok := conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
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if !ok {
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return
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}
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apiClient := fooUtils.ConfigureClient(ctx, &providerData, &resp.Diagnostics)
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if resp.Diagnostics.HasError() {
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return
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}
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r.client = apiClient
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tflog.Info(ctx, "Foo bar client configured")
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}
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// Schema defines the schema for the resource.
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func (r *barResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "Foo bar resource schema.",
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"id": "Terraform's internal resource identifier. It is structured as \"`project_id`,`bar_id`\".",
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"project_id": "STACKIT Project ID to which the bar is associated.",
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"bar_id": "The bar ID.",
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"my_required_field": "My required field description.",
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"my_optional_field": "My optional field description.",
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"my_read_only_field": "My read-only field description.",
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}
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resp.Schema = schema.Schema{
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Description: descriptions["main"],
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Description: descriptions["id"],
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Computed: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.UseStateForUnknown(),
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},
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},
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"project_id": schema.StringAttribute{
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Description: descriptions["project_id"],
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Required: true,
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PlanModifiers: []planmodifier.String{
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// "RequiresReplace" makes the provider recreate the resource when the field is changed in the configuration
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stringplanmodifier.RequiresReplace(),
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},
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Validators: []validator.String{
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// Validators can be used to validate the values set to a field
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"bar_id": schema.StringAttribute{
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Description: descriptions["bar_id"],
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Computed: true,
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},
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"my_required_field": schema.StringAttribute{
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Description: descriptions["my_required_field"],
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Required: true,
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PlanModifiers: []planmodifier.String{
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// "RequiresReplace" makes the provider recreate the resource when the field is changed in the configuration
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stringplanmodifier.RequiresReplace(),
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},
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},
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"my_optional_field": schema.StringAttribute{
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Description: descriptions["my_optional_field"],
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Optional: true,
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Computed: true,
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PlanModifiers: []planmodifier.String{
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// "UseStateForUnknown" can be used to copy a prior state value into the planned value. It should be used when it is known that an unconfigured value will remain the same after a resource update
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stringplanmodifier.UseStateForUnknown(),
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},
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},
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"my_read_only_field": schema.StringAttribute{
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Description: descriptions["my_read_only_field"],
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Computed: true,
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},
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},
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}
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}
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// Create creates the resource and sets the initial Terraform state.
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func (r *barResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.Plan.Get(ctx, &model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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projectId := model.ProjectId.ValueString()
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barId := model.BarId.ValueString()
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ctx = tflog.SetField(ctx, "project_id", projectId)
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// Create new bar
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payload, err := toCreatePayload(&model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating credential", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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resp, err := r.client.CreateBar(ctx, projectId, barId).CreateBarPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating bar", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = tflog.SetField(ctx, "bar_id", resp.BarId)
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// Map response body to schema
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err = mapFields(resp, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating bar", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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diags = resp.State.Set(ctx, model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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tflog.Info(ctx, "Foo bar created")
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *barResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.State.Get(ctx, &model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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projectId := model.ProjectId.ValueString()
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barId := model.BarId.ValueString()
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "bar_id", barId)
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barResp, err := r.client.GetBar(ctx, projectId, barId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading bar", fmt.Sprintf("Calling API: %v", err))
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return
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}
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// Map response body to schema
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err = mapFields(barResp, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading bar", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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// Set refreshed state
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diags = resp.State.Set(ctx, model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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tflog.Info(ctx, "Foo bar read")
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}
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// Update updates the resource and sets the updated Terraform state on success.
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func (r *barResource) Update(ctx context.Context, _ resource.UpdateRequest, resp *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
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// Similar to Create method, calls r.client.UpdateBar instead
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}
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// Delete deletes the resource and removes the Terraform state on success.
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func (r *barResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.State.Get(ctx, &model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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projectId := model.ProjectId.ValueString()
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barId := model.BarId.ValueString()
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "bar_id", barId)
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// Delete existing bar
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_, err := r.client.DeleteBar(ctx, projectId, barId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting bar", fmt.Sprintf("Calling API: %v", err))
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}
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tflog.Info(ctx, "Foo bar deleted")
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}
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// ImportState imports a resource into the Terraform state on success.
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// The expected format of the bar resource import identifier is: project_id,bar_id
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func (r *barResource) ImportState(ctx context.Context, req resource.ImportStateRequest, resp *resource.ImportStateResponse) {
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idParts := strings.Split(req.ID, core.Separator)
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if len(idParts) != 2 || idParts[0] == "" || idParts[1] == "" {
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core.LogAndAddError(ctx, &resp.Diagnostics,
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"Error importing bar",
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fmt.Sprintf("Expected import identifier with format [project_id],[bar_id], got %q", req.ID),
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)
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return
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}
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resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("project_id"), idParts[0])...)
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resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("bar_id"), idParts[1])...)
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tflog.Info(ctx, "Foo bar state imported")
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}
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// Maps bar fields to the provider's internal model
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func mapFields(barResp *foo.GetBarResponse, model *Model) error {
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if barResp == nil {
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return fmt.Errorf("response input is nil")
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}
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if barResp.Bar == nil {
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return fmt.Errorf("response bar is nil")
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}
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if model == nil {
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return fmt.Errorf("model input is nil")
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}
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bar := barResp.Bar
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model.BarId = types.StringPointerValue(bar.BarId)
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model.Id = utils.BuildInternalTerraformId(model.ProjectId.ValueString(), model.BarId.ValueString())
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model.MyRequiredField = types.StringPointerValue(bar.MyRequiredField)
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model.MyOptionalField = types.StringPointerValue(bar.MyOptionalField)
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model.MyReadOnlyField = types.StringPointerValue(bar.MyOtherField)
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return nil
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}
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// Build CreateBarPayload from provider's model
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func toCreatePayload(model *Model) (*foo.CreateBarPayload, error) {
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if model == nil {
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return nil, fmt.Errorf("nil model")
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}
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myRequiredFieldValue := conversion.StringValueToPointer(model.MyRequiredField)
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myOptionalFieldValue := conversion.StringValueToPointer(model.MyOptionalField)
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return &foo.CreateBarPayload{
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MyRequiredField: myRequiredFieldValue,
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MyOptionalField: myOptionalFieldValue,
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}, nil
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}
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