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| 1 | +// Copyright (c) HashiCorp, Inc. |
| 2 | +// SPDX-License-Identifier: MPL-2.0 |
| 3 | +package kms |
| 4 | + |
| 5 | +import ( |
| 6 | + "fmt" |
| 7 | + "log" |
| 8 | + "strings" |
| 9 | + |
| 10 | + "github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema" |
| 11 | + "github.com/hashicorp/terraform-provider-google/google/tpgresource" |
| 12 | + transport_tpg "github.com/hashicorp/terraform-provider-google/google/transport" |
| 13 | +) |
| 14 | + |
| 15 | +func DataSourceGoogleKmsKeyHandles() *schema.Resource { |
| 16 | + return &schema.Resource{ |
| 17 | + Read: dataSourceGoogleKmsKeyHandlesRead, |
| 18 | + Schema: map[string]*schema.Schema{ |
| 19 | + "project": { |
| 20 | + Type: schema.TypeString, |
| 21 | + Optional: true, |
| 22 | + Description: `Project ID of the project.`, |
| 23 | + }, |
| 24 | + "location": { |
| 25 | + Type: schema.TypeString, |
| 26 | + Required: true, |
| 27 | + Description: `The canonical id for the location. For example: "us-east1".`, |
| 28 | + }, |
| 29 | + "resource_type_selector": { |
| 30 | + Type: schema.TypeString, |
| 31 | + Required: true, |
| 32 | + Description: ` |
| 33 | + The resource_type_selector argument is used to add a filter query parameter that limits which key handles are retrieved by the data source: ?filter=resource_type_selector="{{resource_type_selector}}". |
| 34 | + Example values: |
| 35 | + * resource_type_selector="{SERVICE}.googleapis.com/{TYPE}". |
| 36 | + [See the documentation about using filters](https://cloud.google.com/kms/docs/reference/rest/v1/projects.locations.keyHandles/list) |
| 37 | + `, |
| 38 | + }, |
| 39 | + "key_handles": { |
| 40 | + Type: schema.TypeList, |
| 41 | + Computed: true, |
| 42 | + Description: "A list of all the retrieved key handles", |
| 43 | + Elem: &schema.Resource{ |
| 44 | + Schema: map[string]*schema.Schema{ |
| 45 | + "name": { |
| 46 | + Type: schema.TypeString, |
| 47 | + Computed: true, |
| 48 | + }, |
| 49 | + "kms_key": { |
| 50 | + Type: schema.TypeString, |
| 51 | + Computed: true, |
| 52 | + }, |
| 53 | + "resource_type_selector": { |
| 54 | + Type: schema.TypeString, |
| 55 | + Computed: true, |
| 56 | + }, |
| 57 | + }, |
| 58 | + }, |
| 59 | + }, |
| 60 | + }, |
| 61 | + } |
| 62 | + |
| 63 | +} |
| 64 | + |
| 65 | +func dataSourceGoogleKmsKeyHandlesRead(d *schema.ResourceData, meta interface{}) error { |
| 66 | + config := meta.(*transport_tpg.Config) |
| 67 | + project, err := tpgresource.GetProject(d, config) |
| 68 | + if err != nil { |
| 69 | + return err |
| 70 | + } |
| 71 | + resourceTypeSelector := "" |
| 72 | + if fl, ok := d.GetOk("resource_type_selector"); ok { |
| 73 | + resourceTypeSelector = strings.Replace(fl.(string), "\"", "%22", -1) |
| 74 | + } |
| 75 | + |
| 76 | + billingProject := project |
| 77 | + if bp, err := tpgresource.GetBillingProject(d, config); err == nil { |
| 78 | + billingProject = bp |
| 79 | + } |
| 80 | + |
| 81 | + url, err := tpgresource.ReplaceVars(d, config, "{{KMSBasePath}}projects/{{project}}/locations/{{location}}/keyHandles") |
| 82 | + if err != nil { |
| 83 | + return err |
| 84 | + } |
| 85 | + userAgent, err := tpgresource.GenerateUserAgentString(d, config.UserAgent) |
| 86 | + params := make(map[string]string) |
| 87 | + var keyHandles []interface{} |
| 88 | + for { |
| 89 | + newUrl, err := addQueryParams(url, resourceTypeSelector, params) |
| 90 | + if err != nil { |
| 91 | + return err |
| 92 | + } |
| 93 | + res, err := transport_tpg.SendRequest(transport_tpg.SendRequestOptions{ |
| 94 | + Config: config, |
| 95 | + Method: "GET", |
| 96 | + Project: billingProject, |
| 97 | + RawURL: newUrl, |
| 98 | + UserAgent: userAgent, |
| 99 | + ErrorRetryPredicates: []transport_tpg.RetryErrorPredicateFunc{transport_tpg.Is429RetryableQuotaError}, |
| 100 | + }) |
| 101 | + if err != nil { |
| 102 | + return fmt.Errorf("Error retrieving keyhandles: %s", err) |
| 103 | + } |
| 104 | + |
| 105 | + if res["keyHandles"] == nil { |
| 106 | + break |
| 107 | + } |
| 108 | + pageKeyHandles, err := flattenKMSKeyHandlesList(config, res["keyHandles"]) |
| 109 | + if err != nil { |
| 110 | + return fmt.Errorf("error flattening key handle list: %s", err) |
| 111 | + } |
| 112 | + keyHandles = append(keyHandles, pageKeyHandles...) |
| 113 | + |
| 114 | + pToken, ok := res["nextPageToken"] |
| 115 | + if ok && pToken != nil && pToken.(string) != "" { |
| 116 | + params["pageToken"] = pToken.(string) |
| 117 | + } else { |
| 118 | + break |
| 119 | + } |
| 120 | + } |
| 121 | + log.Printf("[DEBUG] Found %d key handles", len(keyHandles)) |
| 122 | + if err := d.Set("key_handles", keyHandles); err != nil { |
| 123 | + return fmt.Errorf("error setting key handles: %s", err) |
| 124 | + } |
| 125 | + d.SetId(fmt.Sprintf("projects/%s/locations/%s/keyHandles?filter=resource_type_selector=%s", project, d.Get("location"), resourceTypeSelector)) |
| 126 | + return nil |
| 127 | +} |
| 128 | + |
| 129 | +// transport_tpg.AddQueryParams() encodes the filter=resource_type_selector="value" into |
| 130 | +// filter=resource_type_selector%3D%22value%22 |
| 131 | +// The encoding of '=' into %3D is currently causing issue with ListKeyHandle api. |
| 132 | +// To to handle this case currently, as part of this function, |
| 133 | +// we are manually adding filter as a query param to the url |
| 134 | +func addQueryParams(url string, resourceTypeSelector string, params map[string]string) (string, error) { |
| 135 | + quoteEncoding := "%22" |
| 136 | + if len(params) == 0 { |
| 137 | + return fmt.Sprintf("%s?filter=resource_type_selector=%s%s%s", url, quoteEncoding, resourceTypeSelector, quoteEncoding), nil |
| 138 | + } else { |
| 139 | + url, err := transport_tpg.AddQueryParams(url, params) |
| 140 | + if err != nil { |
| 141 | + return "", nil |
| 142 | + } |
| 143 | + return fmt.Sprintf("%s&filter=resource_type_selector=%s%s%s", url, quoteEncoding, resourceTypeSelector, quoteEncoding), nil |
| 144 | + } |
| 145 | +} |
| 146 | + |
| 147 | +// flattenKMSKeyHandlesList flattens a list of key handles |
| 148 | +func flattenKMSKeyHandlesList(config *transport_tpg.Config, keyHandlesList interface{}) ([]interface{}, error) { |
| 149 | + var keyHandles []interface{} |
| 150 | + for _, k := range keyHandlesList.([]interface{}) { |
| 151 | + keyHandle := k.(map[string]interface{}) |
| 152 | + |
| 153 | + data := map[string]interface{}{} |
| 154 | + data["name"] = keyHandle["name"] |
| 155 | + data["kms_key"] = keyHandle["kmsKey"] |
| 156 | + data["resource_type_selector"] = keyHandle["resourceTypeSelector"] |
| 157 | + |
| 158 | + keyHandles = append(keyHandles, data) |
| 159 | + } |
| 160 | + |
| 161 | + return keyHandles, nil |
| 162 | +} |
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