mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-09-07 01:26:43 +00:00
135 lines
2.6 KiB
Go
135 lines
2.6 KiB
Go
package random
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import (
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"crypto/rand"
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"encoding/base64"
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"encoding/hex"
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"errors"
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"math/big"
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"strings"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceId() *schema.Resource {
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return &schema.Resource{
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Create: CreateID,
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Read: RepopulateEncodings,
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Delete: schema.RemoveFromState,
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Importer: &schema.ResourceImporter{
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State: ImportID,
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},
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Schema: map[string]*schema.Schema{
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"keepers": {
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Type: schema.TypeMap,
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Optional: true,
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ForceNew: true,
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},
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"byte_length": {
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"prefix": {
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"b64": {
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Type: schema.TypeString,
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Computed: true,
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Deprecated: "Use b64_url for old behavior, or b64_std for standard base64 encoding",
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},
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"b64_url": {
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Type: schema.TypeString,
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Computed: true,
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},
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"b64_std": {
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Type: schema.TypeString,
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Computed: true,
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},
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"hex": {
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Type: schema.TypeString,
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Computed: true,
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},
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"dec": {
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Type: schema.TypeString,
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Computed: true,
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},
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},
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}
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}
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func CreateID(d *schema.ResourceData, meta interface{}) error {
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byteLength := d.Get("byte_length").(int)
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bytes := make([]byte, byteLength)
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n, err := rand.Reader.Read(bytes)
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if n != byteLength {
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return errors.New("generated insufficient random bytes")
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}
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if err != nil {
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return errwrap.Wrapf("error generating random bytes: {{err}}", err)
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}
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b64Str := base64.RawURLEncoding.EncodeToString(bytes)
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d.SetId(b64Str)
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return RepopulateEncodings(d, meta)
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}
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func RepopulateEncodings(d *schema.ResourceData, _ interface{}) error {
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prefix := d.Get("prefix").(string)
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base64Str := d.Id()
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bytes, err := base64.RawURLEncoding.DecodeString(base64Str)
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if err != nil {
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return errwrap.Wrapf("Error decoding ID: {{err}}", err)
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}
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b64StdStr := base64.StdEncoding.EncodeToString(bytes)
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hexStr := hex.EncodeToString(bytes)
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bigInt := big.Int{}
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bigInt.SetBytes(bytes)
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decStr := bigInt.String()
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d.Set("b64", prefix+base64Str)
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d.Set("b64_url", prefix+base64Str)
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d.Set("b64_std", prefix+b64StdStr)
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d.Set("hex", prefix+hexStr)
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d.Set("dec", prefix+decStr)
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return nil
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}
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func ImportID(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
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id := d.Id()
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sep := strings.LastIndex(id, ",")
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if sep != -1 {
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d.Set("prefix", id[:sep])
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id = id[sep+1:]
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}
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bytes, err := base64.RawURLEncoding.DecodeString(id)
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if err != nil {
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return nil, errwrap.Wrapf("Error decoding ID: {{err}}", err)
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}
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d.Set("byte_length", len(bytes))
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d.SetId(id)
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return []*schema.ResourceData{d}, nil
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}
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