Bumps [github.com/hashicorp/terraform-plugin-sdk/v2](https://github.com/hashicorp/terraform-plugin-sdk) from 2.26.1 to 2.27.0. - [Release notes](https://github.com/hashicorp/terraform-plugin-sdk/releases) - [Changelog](https://github.com/hashicorp/terraform-plugin-sdk/blob/main/CHANGELOG.md) - [Commits](https://github.com/hashicorp/terraform-plugin-sdk/compare/v2.26.1...v2.27.0) --- updated-dependencies: - dependency-name: github.com/hashicorp/terraform-plugin-sdk/v2 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
302 lines
6.7 KiB
Go
302 lines
6.7 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package resource
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import (
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"encoding/json"
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"fmt"
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"strconv"
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tfjson "github.com/hashicorp/terraform-json"
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"github.com/hashicorp/terraform-plugin-sdk/v2/internal/addrs"
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"github.com/hashicorp/terraform-plugin-sdk/v2/internal/tfdiags"
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"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
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)
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type shimmedState struct {
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state *terraform.State
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}
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func shimStateFromJson(jsonState *tfjson.State) (*terraform.State, error) {
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state := terraform.NewState()
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state.TFVersion = jsonState.TerraformVersion
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if jsonState.Values == nil {
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// the state is empty
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return state, nil
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}
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for key, output := range jsonState.Values.Outputs {
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os, err := shimOutputState(output)
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if err != nil {
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return nil, err
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}
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state.RootModule().Outputs[key] = os
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}
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ss := &shimmedState{state}
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err := ss.shimStateModule(jsonState.Values.RootModule)
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if err != nil {
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return nil, err
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}
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return state, nil
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}
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func shimOutputState(so *tfjson.StateOutput) (*terraform.OutputState, error) {
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os := &terraform.OutputState{
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Sensitive: so.Sensitive,
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}
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switch v := so.Value.(type) {
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case string:
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os.Type = "string"
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os.Value = v
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return os, nil
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case []interface{}:
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os.Type = "list"
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if len(v) == 0 {
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os.Value = v
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return os, nil
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}
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switch firstElem := v[0].(type) {
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case string:
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elements := make([]interface{}, len(v))
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for i, el := range v {
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elements[i] = el.(string)
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}
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os.Value = elements
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case bool:
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elements := make([]interface{}, len(v))
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for i, el := range v {
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elements[i] = el.(bool)
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}
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os.Value = elements
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// unmarshalled number from JSON will always be json.Number
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case json.Number:
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elements := make([]interface{}, len(v))
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for i, el := range v {
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elements[i] = el.(json.Number)
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}
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os.Value = elements
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case []interface{}:
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os.Value = v
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case map[string]interface{}:
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os.Value = v
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default:
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return nil, fmt.Errorf("unexpected output list element type: %T", firstElem)
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}
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return os, nil
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case map[string]interface{}:
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os.Type = "map"
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os.Value = v
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return os, nil
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case bool:
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os.Type = "string"
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os.Value = strconv.FormatBool(v)
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return os, nil
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// unmarshalled number from JSON will always be json.Number
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case json.Number:
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os.Type = "string"
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os.Value = v.String()
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return os, nil
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}
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return nil, fmt.Errorf("unexpected output type: %T", so.Value)
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}
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func (ss *shimmedState) shimStateModule(sm *tfjson.StateModule) error {
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var path addrs.ModuleInstance
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if sm.Address == "" {
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path = addrs.RootModuleInstance
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} else {
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var diags tfdiags.Diagnostics
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path, diags = addrs.ParseModuleInstanceStr(sm.Address)
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if diags.HasErrors() {
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return diags.Err()
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}
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}
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mod := ss.state.AddModule(path)
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for _, res := range sm.Resources {
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resourceState, err := shimResourceState(res)
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if err != nil {
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return err
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}
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key, err := shimResourceStateKey(res)
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if err != nil {
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return err
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}
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mod.Resources[key] = resourceState
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}
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if len(sm.ChildModules) > 0 {
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return fmt.Errorf("Modules are not supported. Found %d modules.",
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len(sm.ChildModules))
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}
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return nil
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}
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func shimResourceStateKey(res *tfjson.StateResource) (string, error) {
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if res.Index == nil {
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return res.Address, nil
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}
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var mode terraform.ResourceMode
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switch res.Mode {
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case tfjson.DataResourceMode:
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mode = terraform.DataResourceMode
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case tfjson.ManagedResourceMode:
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mode = terraform.ManagedResourceMode
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default:
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return "", fmt.Errorf("unexpected resource mode for %q", res.Address)
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}
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var index int
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switch idx := res.Index.(type) {
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case json.Number:
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i, err := idx.Int64()
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if err != nil {
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return "", fmt.Errorf("unexpected index value (%q) for %q, ",
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idx, res.Address)
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}
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index = int(i)
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default:
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return "", fmt.Errorf("unexpected index type (%T) for %q, "+
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"for_each is not supported", res.Index, res.Address)
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}
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rsk := &terraform.ResourceStateKey{
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Mode: mode,
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Type: res.Type,
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Name: res.Name,
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Index: index,
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}
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return rsk.String(), nil
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}
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func shimResourceState(res *tfjson.StateResource) (*terraform.ResourceState, error) {
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sf := &shimmedFlatmap{}
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err := sf.FromMap(res.AttributeValues)
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if err != nil {
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return nil, err
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}
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attributes := sf.Flatmap()
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if _, ok := attributes["id"]; !ok {
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return nil, fmt.Errorf("no %q found in attributes", "id")
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}
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return &terraform.ResourceState{
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Provider: res.ProviderName,
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Type: res.Type,
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Primary: &terraform.InstanceState{
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ID: attributes["id"],
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Attributes: attributes,
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Meta: map[string]interface{}{
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"schema_version": int(res.SchemaVersion),
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},
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Tainted: res.Tainted,
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},
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Dependencies: res.DependsOn,
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}, nil
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}
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type shimmedFlatmap struct {
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m map[string]string
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}
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func (sf *shimmedFlatmap) FromMap(attributes map[string]interface{}) error {
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if sf.m == nil {
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sf.m = make(map[string]string, len(attributes))
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}
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return sf.AddMap("", attributes)
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}
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func (sf *shimmedFlatmap) AddMap(prefix string, m map[string]interface{}) error {
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for key, value := range m {
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k := key
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if prefix != "" {
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k = fmt.Sprintf("%s.%s", prefix, key)
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}
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err := sf.AddEntry(k, value)
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if err != nil {
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return fmt.Errorf("unable to add map key %q entry: %w", k, err)
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}
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}
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mapLength := "%"
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if prefix != "" {
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mapLength = fmt.Sprintf("%s.%s", prefix, "%")
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}
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if err := sf.AddEntry(mapLength, strconv.Itoa(len(m))); err != nil {
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return fmt.Errorf("unable to add map length %q entry: %w", mapLength, err)
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}
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return nil
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}
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func (sf *shimmedFlatmap) AddSlice(name string, elements []interface{}) error {
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for i, elem := range elements {
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key := fmt.Sprintf("%s.%d", name, i)
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err := sf.AddEntry(key, elem)
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if err != nil {
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return fmt.Errorf("unable to add slice key %q entry: %w", key, err)
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}
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}
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sliceLength := fmt.Sprintf("%s.#", name)
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if err := sf.AddEntry(sliceLength, strconv.Itoa(len(elements))); err != nil {
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return fmt.Errorf("unable to add slice length %q entry: %w", sliceLength, err)
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}
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return nil
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}
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func (sf *shimmedFlatmap) AddEntry(key string, value interface{}) error {
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switch el := value.(type) {
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case nil:
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// omit the entry
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return nil
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case bool:
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sf.m[key] = strconv.FormatBool(el)
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case json.Number:
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sf.m[key] = el.String()
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case string:
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sf.m[key] = el
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case map[string]interface{}:
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err := sf.AddMap(key, el)
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if err != nil {
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return err
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}
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case []interface{}:
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err := sf.AddSlice(key, el)
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if err != nil {
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return err
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}
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default:
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// This should never happen unless terraform-json
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// changes how attributes (types) are represented.
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//
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// We handle all types which the JSON unmarshaler
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// can possibly produce
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// https://golang.org/pkg/encoding/json/#Unmarshal
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return fmt.Errorf("%q: unexpected type (%T)", key, el)
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}
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return nil
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}
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func (sf *shimmedFlatmap) Flatmap() map[string]string {
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return sf.m
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}
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