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/
kms_utils.go
268 lines (221 loc) · 8.64 KB
/
kms_utils.go
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package google
import (
"fmt"
"regexp"
"strconv"
"strings"
"time"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"google.golang.org/api/cloudkms/v1"
)
type kmsKeyRingId struct {
Project string
Location string
Name string
}
func (s *kmsKeyRingId) keyRingId() string {
return fmt.Sprintf("projects/%s/locations/%s/keyRings/%s", s.Project, s.Location, s.Name)
}
func (s *kmsKeyRingId) terraformId() string {
return fmt.Sprintf("%s/%s/%s", s.Project, s.Location, s.Name)
}
func parseKmsKeyRingId(id string, config *Config) (*kmsKeyRingId, error) {
parts := strings.Split(id, "/")
keyRingIdRegex := regexp.MustCompile("^(" + ProjectRegex + ")/([a-z0-9-])+/([a-zA-Z0-9_-]{1,63})$")
keyRingIdWithoutProjectRegex := regexp.MustCompile("^([a-z0-9-])+/([a-zA-Z0-9_-]{1,63})$")
keyRingRelativeLinkRegex := regexp.MustCompile("^projects/(" + ProjectRegex + ")/locations/([a-z0-9-]+)/keyRings/([a-zA-Z0-9_-]{1,63})$")
if keyRingIdRegex.MatchString(id) {
return &kmsKeyRingId{
Project: parts[0],
Location: parts[1],
Name: parts[2],
}, nil
}
if keyRingIdWithoutProjectRegex.MatchString(id) {
if config.Project == "" {
return nil, fmt.Errorf("The default project for the provider must be set when using the `{location}/{keyRingName}` id format.")
}
return &kmsKeyRingId{
Project: config.Project,
Location: parts[0],
Name: parts[1],
}, nil
}
if parts := keyRingRelativeLinkRegex.FindStringSubmatch(id); parts != nil {
return &kmsKeyRingId{
Project: parts[1],
Location: parts[2],
Name: parts[3],
}, nil
}
return nil, fmt.Errorf("Invalid KeyRing id format, expecting `{projectId}/{locationId}/{keyRingName}` or `{locationId}/{keyRingName}.`")
}
func kmsCryptoKeyRingsEquivalent(k, old, new string, d *schema.ResourceData) bool {
keyRingIdWithSpecifiersRegex := regexp.MustCompile("^projects/(" + ProjectRegex + ")/locations/([a-z0-9-])+/keyRings/([a-zA-Z0-9_-]{1,63})$")
normalizedKeyRingIdRegex := regexp.MustCompile("^(" + ProjectRegex + ")/([a-z0-9-])+/([a-zA-Z0-9_-]{1,63})$")
if matches := keyRingIdWithSpecifiersRegex.FindStringSubmatch(new); matches != nil {
normMatches := normalizedKeyRingIdRegex.FindStringSubmatch(old)
return normMatches != nil && normMatches[1] == matches[1] && normMatches[2] == matches[2] && normMatches[3] == matches[3]
}
return false
}
type KmsCryptoKeyId struct {
KeyRingId kmsKeyRingId
Name string
}
func (s *KmsCryptoKeyId) cryptoKeyId() string {
return fmt.Sprintf("%s/cryptoKeys/%s", s.KeyRingId.keyRingId(), s.Name)
}
func (s *KmsCryptoKeyId) terraformId() string {
return fmt.Sprintf("%s/%s", s.KeyRingId.terraformId(), s.Name)
}
type kmsCryptoKeyVersionId struct {
CryptoKeyId KmsCryptoKeyId
Name string
}
func (s *kmsCryptoKeyVersionId) cryptoKeyVersionId() string {
return fmt.Sprintf(s.Name)
}
func (s *kmsCryptoKeyVersionId) terraformId() string {
return fmt.Sprintf("%s/%s", s.CryptoKeyId.terraformId(), s.Name)
}
func validateKmsCryptoKeyRotationPeriod(value interface{}, _ string) (ws []string, errors []error) {
period := value.(string)
pattern := regexp.MustCompile(`^([0-9.]*\d)s$`)
match := pattern.FindStringSubmatch(period)
if len(match) == 0 {
errors = append(errors, fmt.Errorf("Invalid rotation period format: %s", period))
// Cannot continue to validate because we cannot extract a number.
return
}
number := match[1]
seconds, err := strconv.ParseFloat(number, 64)
if err != nil {
errors = append(errors, err)
} else {
if seconds < 86400.0 {
errors = append(errors, fmt.Errorf("Rotation period must be greater than one day"))
}
parts := strings.Split(number, ".")
if len(parts) > 1 && len(parts[1]) > 9 {
errors = append(errors, fmt.Errorf("Rotation period cannot have more than 9 fractional digits"))
}
}
return
}
func kmsCryptoKeyNextRotation(now time.Time, period string) (result string, err error) {
var duration time.Duration
duration, err = time.ParseDuration(period)
if err == nil {
result = now.UTC().Add(duration).Format(time.RFC3339Nano)
}
return
}
func parseKmsCryptoKeyId(id string, config *Config) (*KmsCryptoKeyId, error) {
parts := strings.Split(id, "/")
cryptoKeyIdRegex := regexp.MustCompile("^(" + ProjectRegex + ")/([a-z0-9-])+/([a-zA-Z0-9_-]{1,63})/([a-zA-Z0-9_-]{1,63})$")
cryptoKeyIdWithoutProjectRegex := regexp.MustCompile("^([a-z0-9-])+/([a-zA-Z0-9_-]{1,63})/([a-zA-Z0-9_-]{1,63})$")
cryptoKeyRelativeLinkRegex := regexp.MustCompile("^projects/(" + ProjectRegex + ")/locations/([a-z0-9-]+)/keyRings/([a-zA-Z0-9_-]{1,63})/cryptoKeys/([a-zA-Z0-9_-]{1,63})$")
if cryptoKeyIdRegex.MatchString(id) {
return &KmsCryptoKeyId{
KeyRingId: kmsKeyRingId{
Project: parts[0],
Location: parts[1],
Name: parts[2],
},
Name: parts[3],
}, nil
}
if cryptoKeyIdWithoutProjectRegex.MatchString(id) {
if config.Project == "" {
return nil, fmt.Errorf("The default project for the provider must be set when using the `{location}/{keyRingName}/{cryptoKeyName}` id format.")
}
return &KmsCryptoKeyId{
KeyRingId: kmsKeyRingId{
Project: config.Project,
Location: parts[0],
Name: parts[1],
},
Name: parts[2],
}, nil
}
if parts := cryptoKeyRelativeLinkRegex.FindStringSubmatch(id); parts != nil {
return &KmsCryptoKeyId{
KeyRingId: kmsKeyRingId{
Project: parts[1],
Location: parts[2],
Name: parts[3],
},
Name: parts[4],
}, nil
}
return nil, fmt.Errorf("Invalid CryptoKey id format, expecting `{projectId}/{locationId}/{KeyringName}/{cryptoKeyName}` or `{locationId}/{keyRingName}/{cryptoKeyName}, got id: %s`", id)
}
func parseKmsCryptoKeyVersionId(id string, config *Config) (*kmsCryptoKeyVersionId, error) {
cryptoKeyVersionRelativeLinkRegex := regexp.MustCompile("^projects/(" + ProjectRegex + ")/locations/([a-z0-9-]+)/keyRings/([a-zA-Z0-9_-]{1,63})/cryptoKeys/([a-zA-Z0-9_-]{1,63})/cryptoKeyVersions/([a-zA-Z0-9_-]{1,63})$")
if parts := cryptoKeyVersionRelativeLinkRegex.FindStringSubmatch(id); parts != nil {
return &kmsCryptoKeyVersionId{
CryptoKeyId: KmsCryptoKeyId{
KeyRingId: kmsKeyRingId{
Project: parts[1],
Location: parts[2],
Name: parts[3],
},
Name: parts[4],
},
Name: "projects/" + parts[1] + "/locations/" + parts[2] + "/keyRings/" + parts[3] + "/cryptoKeys/" + parts[4] + "/cryptoKeyVersions/" + parts[5],
}, nil
}
return nil, fmt.Errorf("Invalid CryptoKeyVersion id format, expecting `{projectId}/{locationId}/{KeyringName}/{cryptoKeyName}/{cryptoKeyVersion}` or `{locationId}/{keyRingName}/{cryptoKeyName}/{cryptoKeyVersion}, got id: %s`", id)
}
func clearCryptoKeyVersions(cryptoKeyId *KmsCryptoKeyId, userAgent string, config *Config) error {
versionsClient := config.NewKmsClient(userAgent).Projects.Locations.KeyRings.CryptoKeys.CryptoKeyVersions
listCall := versionsClient.List(cryptoKeyId.cryptoKeyId())
if config.UserProjectOverride {
listCall.Header().Set("X-Goog-User-Project", cryptoKeyId.KeyRingId.Project)
}
versionsResponse, err := listCall.Do()
if err != nil {
return err
}
for _, version := range versionsResponse.CryptoKeyVersions {
// skip the versions that have been destroyed earlier
if version.State != "DESTROYED" && version.State != "DESTROY_SCHEDULED" {
request := &cloudkms.DestroyCryptoKeyVersionRequest{}
destroyCall := versionsClient.Destroy(version.Name, request)
if config.UserProjectOverride {
destroyCall.Header().Set("X-Goog-User-Project", cryptoKeyId.KeyRingId.Project)
}
_, err = destroyCall.Do()
if err != nil {
return err
}
}
}
return nil
}
func deleteCryptoKeyVersions(cryptoKeyVersionId *kmsCryptoKeyVersionId, d *schema.ResourceData, userAgent string, config *Config) error {
versionsClient := config.NewKmsClient(userAgent).Projects.Locations.KeyRings.CryptoKeys.CryptoKeyVersions
request := &cloudkms.DestroyCryptoKeyVersionRequest{}
destroyCall := versionsClient.Destroy(cryptoKeyVersionId.Name, request)
if config.UserProjectOverride {
destroyCall.Header().Set("X-Goog-User-Project", cryptoKeyVersionId.CryptoKeyId.KeyRingId.Project)
}
_, err := destroyCall.Do()
if err != nil {
return handleNotFoundError(err, d, fmt.Sprintf("ID %s", cryptoKeyVersionId.Name))
}
return nil
}
func disableCryptoKeyRotation(cryptoKeyId *KmsCryptoKeyId, userAgent string, config *Config) error {
keyClient := config.NewKmsClient(userAgent).Projects.Locations.KeyRings.CryptoKeys
patchCall := keyClient.Patch(cryptoKeyId.cryptoKeyId(), &cloudkms.CryptoKey{
NullFields: []string{"rotationPeriod", "nextRotationTime"},
}).
UpdateMask("rotationPeriod,nextRotationTime")
if config.UserProjectOverride {
patchCall.Header().Set("X-Goog-User-Project", cryptoKeyId.KeyRingId.Project)
}
_, err := patchCall.Do()
return err
}