453 lines
15 KiB
Go
453 lines
15 KiB
Go
package publicip
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/utils"
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iaasUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/iaas/utils"
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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/stackit-sdk-go/core/oapierror"
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"github.com/stackitcloud/stackit-sdk-go/services/iaas"
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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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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/validate"
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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 = &publicIpResource{}
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_ resource.ResourceWithConfigure = &publicIpResource{}
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_ resource.ResourceWithImportState = &publicIpResource{}
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_ resource.ResourceWithModifyPlan = &publicIpResource{}
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)
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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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Region types.String `tfsdk:"region"`
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PublicIpId types.String `tfsdk:"public_ip_id"`
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Ip types.String `tfsdk:"ip"`
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NetworkInterfaceId types.String `tfsdk:"network_interface_id"`
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Labels types.Map `tfsdk:"labels"`
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}
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// NewPublicIpResource is a helper function to simplify the provider implementation.
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func NewPublicIpResource() resource.Resource {
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return &publicIpResource{}
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}
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// publicIpResource is the resource implementation.
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type publicIpResource struct {
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client *iaas.APIClient
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providerData core.ProviderData
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}
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// Metadata returns the resource type name.
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func (r *publicIpResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_public_ip"
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}
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// ModifyPlan implements resource.ResourceWithModifyPlan.
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// Use the modifier to set the effective region in the current plan.
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func (r *publicIpResource) ModifyPlan(ctx context.Context, req resource.ModifyPlanRequest, resp *resource.ModifyPlanResponse) { // nolint:gocritic // function signature required by Terraform
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var configModel Model
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// skip initial empty configuration to avoid follow-up errors
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if req.Config.Raw.IsNull() {
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return
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}
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resp.Diagnostics.Append(req.Config.Get(ctx, &configModel)...)
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if resp.Diagnostics.HasError() {
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return
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}
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var planModel Model
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resp.Diagnostics.Append(req.Plan.Get(ctx, &planModel)...)
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if resp.Diagnostics.HasError() {
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return
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}
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utils.AdaptRegion(ctx, configModel.Region, &planModel.Region, r.providerData.GetRegion(), resp)
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if resp.Diagnostics.HasError() {
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return
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}
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resp.Diagnostics.Append(resp.Plan.Set(ctx, planModel)...)
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if resp.Diagnostics.HasError() {
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return
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}
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}
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// Configure adds the provider configured client to the resource.
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func (r *publicIpResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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var ok bool
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r.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 := iaasUtils.ConfigureClient(ctx, &r.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, "iaas client configured")
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}
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// Schema defines the schema for the resource.
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func (r *publicIpResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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description := "Public IP resource schema. Must have a `region` specified in the provider configuration."
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resp.Schema = schema.Schema{
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MarkdownDescription: description,
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Description: description,
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Description: "Terraform's internal resource ID. It is structured as \"`project_id`,`region`,`public_ip_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: "STACKIT project ID to which the public IP is associated.",
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Required: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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Validators: []validator.String{
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"region": schema.StringAttribute{
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Description: "The resource region. If not defined, the provider region is used.",
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Optional: true,
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// must be computed to allow for storing the override value from the provider
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Computed: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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},
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"public_ip_id": schema.StringAttribute{
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Description: "The public IP 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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Validators: []validator.String{
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"ip": schema.StringAttribute{
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Description: "The IP address.",
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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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Validators: []validator.String{
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validate.IP(false),
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},
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},
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"network_interface_id": schema.StringAttribute{
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Description: "Associates the public IP with a network interface or a virtual IP (ID). If you are using this resource with a Kubernetes Load Balancer or any other resource which associates a network interface implicitly, use the lifecycle `ignore_changes` property in this field to prevent unintentional removal of the network interface due to drift in the Terraform state",
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Optional: true,
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Computed: true,
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Validators: []validator.String{
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"labels": schema.MapAttribute{
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Description: "Labels are key-value string pairs which can be attached to a resource container",
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ElementType: types.StringType,
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Optional: 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 *publicIpResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) { // nolint:gocritic // function signature required by Terraform
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// Retrieve values from plan
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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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ctx = core.InitProviderContext(ctx)
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projectId := model.ProjectId.ValueString()
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region := r.providerData.GetRegionWithOverride(model.Region)
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "region", region)
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// Generate API request body from model
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payload, err := toCreatePayload(ctx, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating public IP", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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// Create new public IP
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publicIp, err := r.client.CreatePublicIP(ctx, projectId, region).CreatePublicIPPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating public IP", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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ctx = tflog.SetField(ctx, "public_ip_id", *publicIp.Id)
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// Map response body to schema
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err = mapFields(ctx, publicIp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating public IP", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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// Set state to fully populated data
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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, "Public IP created")
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *publicIpResource) 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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region := r.providerData.GetRegionWithOverride(model.Region)
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publicIpId := model.PublicIpId.ValueString()
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ctx = core.InitProviderContext(ctx)
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "region", region)
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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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publicIpResp, err := r.client.GetPublicIP(ctx, projectId, region, publicIpId).Execute()
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if err != nil {
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oapiErr, ok := err.(*oapierror.GenericOpenAPIError) //nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
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if ok && oapiErr.StatusCode == http.StatusNotFound {
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resp.State.RemoveResource(ctx)
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return
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}
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading public IP", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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// Map response body to schema
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err = mapFields(ctx, publicIpResp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading public IP", 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, "public IP 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 *publicIpResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
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// Retrieve values from plan
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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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region := r.providerData.GetRegionWithOverride(model.Region)
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publicIpId := model.PublicIpId.ValueString()
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ctx = core.InitProviderContext(ctx)
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "region", region)
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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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// Retrieve values from state
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var stateModel Model
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diags = req.State.Get(ctx, &stateModel)
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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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// Generate API request body from model
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payload, err := toUpdatePayload(ctx, &model, stateModel.Labels)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating public IP", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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// Update existing public IP
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updatedPublicIp, err := r.client.UpdatePublicIP(ctx, projectId, region, publicIpId).UpdatePublicIPPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating public IP", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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err = mapFields(ctx, updatedPublicIp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating public IP", 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, "public IP updated")
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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 *publicIpResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) { // nolint:gocritic // function signature required by Terraform
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// Retrieve values from state
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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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region := r.providerData.GetRegionWithOverride(model.Region)
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publicIpId := model.PublicIpId.ValueString()
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ctx = core.InitProviderContext(ctx)
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "region", region)
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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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// Delete existing publicIp
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err := r.client.DeletePublicIP(ctx, projectId, region, publicIpId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting public IP", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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tflog.Info(ctx, "public IP 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 resource import identifier is: project_id,public_ip_id
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func (r *publicIpResource) 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) != 3 || idParts[0] == "" || idParts[1] == "" || idParts[2] == "" {
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core.LogAndAddError(ctx, &resp.Diagnostics,
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"Error importing public IP",
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fmt.Sprintf("Expected import identifier with format: [project_id],[region],[public_ip_id] Got: %q", req.ID),
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)
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return
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}
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utils.SetAndLogStateFields(ctx, &resp.Diagnostics, &resp.State, map[string]any{
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"project_id": idParts[0],
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"region": idParts[1],
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"public_ip_id": idParts[2],
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})
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tflog.Info(ctx, "public IP state imported")
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}
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func mapFields(ctx context.Context, publicIpResp *iaas.PublicIp, model *Model, region string) error {
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if publicIpResp == nil {
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return fmt.Errorf("response input 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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var publicIpId string
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if model.PublicIpId.ValueString() != "" {
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publicIpId = model.PublicIpId.ValueString()
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} else if publicIpResp.Id != nil {
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publicIpId = *publicIpResp.Id
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} else {
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return fmt.Errorf("public IP id not present")
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}
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model.Id = utils.BuildInternalTerraformId(model.ProjectId.ValueString(), region, publicIpId)
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model.Region = types.StringValue(region)
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labels, err := iaasUtils.MapLabels(ctx, publicIpResp.Labels, model.Labels)
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if err != nil {
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return err
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}
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model.PublicIpId = types.StringValue(publicIpId)
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model.Ip = types.StringPointerValue(publicIpResp.Ip)
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if publicIpResp.NetworkInterface != nil {
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model.NetworkInterfaceId = types.StringPointerValue(publicIpResp.GetNetworkInterface())
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} else {
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model.NetworkInterfaceId = types.StringNull()
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}
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model.Labels = labels
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return nil
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}
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func toCreatePayload(ctx context.Context, model *Model) (*iaas.CreatePublicIPPayload, 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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labels, err := conversion.ToStringInterfaceMap(ctx, model.Labels)
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if err != nil {
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return nil, fmt.Errorf("converting to Go map: %w", err)
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}
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return &iaas.CreatePublicIPPayload{
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Labels: &labels,
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Ip: conversion.StringValueToPointer(model.Ip),
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NetworkInterface: iaas.NewNullableString(conversion.StringValueToPointer(model.NetworkInterfaceId)),
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}, nil
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}
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func toUpdatePayload(ctx context.Context, model *Model, currentLabels types.Map) (*iaas.UpdatePublicIPPayload, 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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labels, err := conversion.ToJSONMapPartialUpdatePayload(ctx, currentLabels, model.Labels)
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if err != nil {
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return nil, fmt.Errorf("converting to Go map: %w", err)
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}
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return &iaas.UpdatePublicIPPayload{
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Labels: &labels,
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NetworkInterface: iaas.NewNullableString(conversion.StringValueToPointer(model.NetworkInterfaceId)),
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}, nil
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}
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