617 lines
19 KiB
Go
617 lines
19 KiB
Go
package postgresflexalpha
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import (
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"context"
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_ "embed"
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"fmt"
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"math"
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"net/http"
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"strings"
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"time"
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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/identityschema"
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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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postgresflex "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
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postgresflexalpha "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/instance/resources_gen"
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postgresflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/utils"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
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wait "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/wait/postgresflexalpha"
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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 = &instanceResource{}
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_ resource.ResourceWithConfigure = &instanceResource{}
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_ resource.ResourceWithImportState = &instanceResource{}
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_ resource.ResourceWithModifyPlan = &instanceResource{}
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_ resource.ResourceWithValidateConfig = &instanceResource{}
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_ resource.ResourceWithIdentity = &instanceResource{}
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)
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// NewInstanceResource is a helper function to simplify the provider implementation.
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func NewInstanceResource() resource.Resource {
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return &instanceResource{}
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}
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// resourceModel describes the resource data model.
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type resourceModel = postgresflexalpha.InstanceModel
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type InstanceResourceIdentityModel struct {
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ProjectID types.String `tfsdk:"project_id"`
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Region types.String `tfsdk:"region"`
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InstanceID types.String `tfsdk:"instance_id"`
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}
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// instanceResource is the resource implementation.
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type instanceResource struct {
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client *postgresflex.APIClient
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providerData core.ProviderData
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}
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func (r *instanceResource) ValidateConfig(
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ctx context.Context,
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req resource.ValidateConfigRequest,
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resp *resource.ValidateConfigResponse,
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) {
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var data resourceModel
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resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
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if resp.Diagnostics.HasError() {
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return
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}
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if data.Replicas.IsNull() || data.Replicas.IsUnknown() {
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resp.Diagnostics.AddAttributeWarning(
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path.Root("replicas"),
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"Missing Attribute Configuration",
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"Expected replicas to be configured. "+
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"The resource may return unexpected results.",
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)
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}
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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 *instanceResource) ModifyPlan(
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ctx context.Context,
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req resource.ModifyPlanRequest,
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resp *resource.ModifyPlanResponse,
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) { // nolint:gocritic // function signature required by Terraform
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var configModel resourceModel
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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 resourceModel
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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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// Metadata returns the resource type name.
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func (r *instanceResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_postgresflexalpha_instance"
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}
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// Configure adds the provider configured client to the resource.
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func (r *instanceResource) Configure(
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ctx context.Context,
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req resource.ConfigureRequest,
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resp *resource.ConfigureResponse,
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) {
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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 := postgresflexUtils.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, "Postgres Flex instance client configured")
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}
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/*
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until tfplugingen framework can handle plan modifiers, we use a function to add them
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*/
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//go:embed planModifiers.yaml
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var modifiersFileByte []byte
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// Schema defines the schema for the resource.
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func (r *instanceResource) Schema(ctx context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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schema := postgresflexalpha.InstanceResourceSchema(ctx)
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fields, err := utils.ReadModifiersConfig(modifiersFileByte)
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if err != nil {
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resp.Diagnostics.AddError("error during read modifiers config file", err.Error())
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return
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}
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err = utils.AddPlanModifiersToResourceSchema(fields, &schema)
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if err != nil {
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resp.Diagnostics.AddError("error adding plan modifiers", err.Error())
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return
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}
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resp.Schema = schema
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}
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func (r *instanceResource) IdentitySchema(
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_ context.Context,
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_ resource.IdentitySchemaRequest,
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resp *resource.IdentitySchemaResponse,
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) {
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resp.IdentitySchema = identityschema.Schema{
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Attributes: map[string]identityschema.Attribute{
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"project_id": identityschema.StringAttribute{
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RequiredForImport: true, // must be set during import by the practitioner
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},
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"region": identityschema.StringAttribute{
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RequiredForImport: true, // can be defaulted by the provider configuration
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},
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"instance_id": identityschema.StringAttribute{
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RequiredForImport: true, // can be defaulted by the provider configuration
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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 *instanceResource) Create(
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ctx context.Context,
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req resource.CreateRequest,
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resp *resource.CreateResponse,
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) { // nolint:gocritic // function signature required by Terraform
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var model resourceModel
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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 := model.Region.ValueString()
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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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var netAcl []string
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diag := model.Network.Acl.ElementsAs(ctx, &netAcl, false)
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resp.Diagnostics.Append(diags...)
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if diag.HasError() {
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return
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}
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if model.Replicas.ValueInt64() > math.MaxInt32 {
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resp.Diagnostics.AddError("invalid int32 value", "provided int64 value does not fit into int32")
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return
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}
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replVal := int32(model.Replicas.ValueInt64()) // nolint:gosec // check is performed above
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payload := modelToCreateInstancePayload(netAcl, model, replVal)
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// Create new instance
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createResp, err := r.client.CreateInstanceRequest(
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ctx,
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projectId,
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region,
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).CreateInstanceRequestPayload(payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "error creating instance", 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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instanceId, ok := createResp.GetIdOk()
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if !ok {
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core.LogAndAddError(ctx, &resp.Diagnostics, "error creating instance", "could not find instance id in response")
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return
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}
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// Set data returned by API in identity
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identity := InstanceResourceIdentityModel{
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ProjectID: types.StringValue(projectId),
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Region: types.StringValue(region),
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InstanceID: types.StringValue(instanceId),
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}
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resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
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if resp.Diagnostics.HasError() {
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return
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}
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waitResp, err := wait.CreateInstanceWaitHandler(ctx, r.client, projectId, region, instanceId).
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// Sleep before wait is set because sometimes API returns 404 right after creation request
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SetTimeout(90 * time.Minute).
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SetSleepBeforeWait(30 * time.Second).
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WaitWithContext(ctx)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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"Error creating instance",
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fmt.Sprintf("Wait handler error: %v", err),
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)
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return
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}
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err = mapGetInstanceResponseToModel(ctx, &model, waitResp)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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"Error creating instance",
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fmt.Sprintf("Error creating model: %v", err),
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)
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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, "Postgres Flex instance created")
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}
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func modelToCreateInstancePayload(
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netAcl []string,
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model postgresflexalpha.InstanceModel,
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replVal int32,
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) postgresflex.CreateInstanceRequestPayload {
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var enc *postgresflex.InstanceEncryption
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if !model.Encryption.IsNull() && !model.Encryption.IsUnknown() {
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enc = &postgresflex.InstanceEncryption{
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KekKeyId: model.Encryption.KekKeyId.ValueStringPointer(),
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KekKeyRingId: model.Encryption.KekKeyRingId.ValueStringPointer(),
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KekKeyVersion: model.Encryption.KekKeyVersion.ValueStringPointer(),
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ServiceAccount: model.Encryption.ServiceAccount.ValueStringPointer(),
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}
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}
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payload := postgresflex.CreateInstanceRequestPayload{
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BackupSchedule: model.BackupSchedule.ValueStringPointer(),
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Encryption: enc,
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FlavorId: model.FlavorId.ValueStringPointer(),
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Name: model.Name.ValueStringPointer(),
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Network: &postgresflex.InstanceNetworkCreate{
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AccessScope: postgresflex.InstanceNetworkGetAccessScopeAttributeType(
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model.Network.AccessScope.ValueStringPointer(),
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),
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Acl: &netAcl,
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},
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Replicas: postgresflex.CreateInstanceRequestPayloadGetReplicasAttributeType(&replVal),
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RetentionDays: model.RetentionDays.ValueInt64Pointer(),
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Storage: &postgresflex.StorageCreate{
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PerformanceClass: model.Storage.PerformanceClass.ValueStringPointer(),
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Size: model.Storage.Size.ValueInt64Pointer(),
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},
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Version: model.Version.ValueStringPointer(),
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}
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return payload
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *instanceResource) Read(
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ctx context.Context,
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req resource.ReadRequest,
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resp *resource.ReadResponse,
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) { // nolint:gocritic // function signature required by Terraform
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functionErrorSummary := "read instance failed"
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var model resourceModel
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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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ctx = core.InitProviderContext(ctx)
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var projectId string
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if !model.ProjectId.IsNull() && !model.ProjectId.IsUnknown() {
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projectId = model.ProjectId.ValueString()
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}
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var region string
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if !model.Region.IsNull() && !model.Region.IsUnknown() {
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region = r.providerData.GetRegionWithOverride(model.Region)
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}
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var instanceId string
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if !model.InstanceId.IsNull() && !model.InstanceId.IsUnknown() {
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instanceId = model.InstanceId.ValueString()
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}
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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ctx = tflog.SetField(ctx, "region", region)
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instanceResp, err := r.client.GetInstanceRequest(ctx, projectId, region, instanceId).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, functionErrorSummary, err.Error())
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return
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}
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ctx = core.LogResponse(ctx)
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respInstanceID, ok := instanceResp.GetIdOk()
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if !ok {
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core.LogAndAddError(ctx, &resp.Diagnostics, functionErrorSummary, "response provided no ID")
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return
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}
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if !model.InstanceId.IsUnknown() && !model.InstanceId.IsNull() {
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if respInstanceID != instanceId {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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functionErrorSummary,
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"ID in response did not match ID in state",
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)
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return
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}
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}
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err = mapGetInstanceResponseToModel(ctx, &model, instanceResp)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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functionErrorSummary,
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fmt.Sprintf("Processing API payload: %v", err),
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)
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return
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}
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// Set refreshed state
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resp.Diagnostics.Append(resp.State.Set(ctx, model)...)
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if resp.Diagnostics.HasError() {
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return
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}
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// Set data returned by API in identity
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identity := InstanceResourceIdentityModel{
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ProjectID: types.StringValue(projectId),
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Region: types.StringValue(region),
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InstanceID: types.StringValue(instanceId),
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}
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resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
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if resp.Diagnostics.HasError() {
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return
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}
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tflog.Info(ctx, "Postgres Flex instance 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 *instanceResource) Update(
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ctx context.Context,
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req resource.UpdateRequest,
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resp *resource.UpdateResponse,
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) { // nolint:gocritic // function signature required by Terraform
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var model resourceModel
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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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// Read identity data
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var identityData InstanceResourceIdentityModel
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resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
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if resp.Diagnostics.HasError() {
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return
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}
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projectId := identityData.ProjectID.ValueString()
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instanceId := identityData.InstanceID.ValueString()
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region := model.Region.ValueString()
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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ctx = tflog.SetField(ctx, "region", region)
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var netAcl []string
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diag := model.Network.Acl.ElementsAs(ctx, &netAcl, false)
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resp.Diagnostics.Append(diags...)
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if diag.HasError() {
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return
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}
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if model.Replicas.ValueInt64() > math.MaxInt32 {
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resp.Diagnostics.AddError("invalid int32 value", "provided int64 value does not fit into int32")
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return
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}
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replInt32 := int32(model.Replicas.ValueInt64()) // nolint:gosec // check is performed above
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payload := postgresflex.UpdateInstanceRequestPayload{
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BackupSchedule: model.BackupSchedule.ValueStringPointer(),
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FlavorId: model.FlavorId.ValueStringPointer(),
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Name: model.Name.ValueStringPointer(),
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Network: &postgresflex.InstanceNetworkUpdate{
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Acl: &netAcl,
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},
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Replicas: postgresflex.UpdateInstanceRequestPayloadGetReplicasAttributeType(&replInt32),
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RetentionDays: model.RetentionDays.ValueInt64Pointer(),
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Storage: &postgresflex.StorageUpdate{
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Size: model.Storage.Size.ValueInt64Pointer(),
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},
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Version: model.Version.ValueStringPointer(),
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}
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// Update existing instance
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err := r.client.UpdateInstanceRequest(
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ctx,
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projectId,
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region,
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instanceId,
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).UpdateInstanceRequestPayload(payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating instance", err.Error())
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return
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}
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ctx = core.LogResponse(ctx)
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waitResp, err := wait.PartialUpdateInstanceWaitHandler(
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ctx,
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r.client,
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projectId,
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region,
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instanceId,
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).
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SetTimeout(45 * time.Minute).
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SetSleepBeforeWait(30 * time.Second).
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WaitWithContext(ctx)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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"Error updating instance",
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fmt.Sprintf("Instance update waiting: %v", err),
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)
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return
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}
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err = mapGetInstanceResponseToModel(ctx, &model, waitResp)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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"Error updating instance",
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fmt.Sprintf("Processing API payload: %v", err),
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)
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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
|
|
}
|
|
tflog.Info(ctx, "Postgresflex instance updated")
|
|
}
|
|
|
|
// Delete deletes the resource and removes the Terraform state on success.
|
|
func (r *instanceResource) Delete(
|
|
ctx context.Context,
|
|
req resource.DeleteRequest,
|
|
resp *resource.DeleteResponse,
|
|
) { // nolint:gocritic // function signature required by Terraform
|
|
var model resourceModel
|
|
|
|
diags := req.State.Get(ctx, &model)
|
|
resp.Diagnostics.Append(diags...)
|
|
if resp.Diagnostics.HasError() {
|
|
return
|
|
}
|
|
|
|
ctx = core.InitProviderContext(ctx)
|
|
|
|
projectId := model.ProjectId.ValueString()
|
|
instanceId := model.InstanceId.ValueString()
|
|
region := model.Region.ValueString()
|
|
ctx = tflog.SetField(ctx, "project_id", projectId)
|
|
ctx = tflog.SetField(ctx, "instance_id", instanceId)
|
|
ctx = tflog.SetField(ctx, "region", region)
|
|
|
|
// Delete existing instance
|
|
err := r.client.DeleteInstanceRequest(ctx, projectId, region, instanceId).Execute()
|
|
if err != nil {
|
|
core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting instance", fmt.Sprintf("Calling API: %v", err))
|
|
return
|
|
}
|
|
|
|
ctx = core.LogResponse(ctx)
|
|
|
|
_, err = r.client.GetInstanceRequest(ctx, projectId, region, instanceId).Execute()
|
|
if err != nil {
|
|
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
|
|
if ok && oapiErr.StatusCode != http.StatusNotFound {
|
|
core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting instance", err.Error())
|
|
return
|
|
}
|
|
}
|
|
|
|
resp.State.RemoveResource(ctx)
|
|
tflog.Info(ctx, "Postgres Flex instance deleted")
|
|
}
|
|
|
|
// ImportState imports a resource into the Terraform state on success.
|
|
// The expected format of the resource import identifier is: project_id,region,instance_id
|
|
func (r *instanceResource) ImportState(
|
|
ctx context.Context,
|
|
req resource.ImportStateRequest,
|
|
resp *resource.ImportStateResponse,
|
|
) {
|
|
ctx = core.InitProviderContext(ctx)
|
|
|
|
if req.ID != "" {
|
|
idParts := strings.Split(req.ID, core.Separator)
|
|
|
|
if len(idParts) != 3 || idParts[0] == "" || idParts[1] == "" || idParts[2] == "" {
|
|
core.LogAndAddError(
|
|
ctx, &resp.Diagnostics,
|
|
"Error importing instance",
|
|
fmt.Sprintf(
|
|
"Expected import identifier with format [project_id],[region],[instance_id] Got: %q",
|
|
req.ID,
|
|
),
|
|
)
|
|
return
|
|
}
|
|
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("project_id"), idParts[0])...)
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("region"), idParts[1])...)
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("instance_id"), idParts[2])...)
|
|
return
|
|
}
|
|
|
|
// If no ID is provided, attempt to read identity attributes from the import configuration
|
|
var identityData InstanceResourceIdentityModel
|
|
resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
|
|
if resp.Diagnostics.HasError() {
|
|
return
|
|
}
|
|
|
|
projectId := identityData.ProjectID.ValueString()
|
|
region := identityData.Region.ValueString()
|
|
instanceId := identityData.InstanceID.ValueString()
|
|
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("project_id"), projectId)...)
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("region"), region)...)
|
|
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("instance_id"), instanceId)...)
|
|
|
|
tflog.Info(ctx, "Postgres Flex instance state imported")
|
|
}
|