Function getCryptoKey

spanner/system-test/spanner.test.js:194–251

(key_location)

}

async function getCryptoKey(key_location) {
  const NOT_FOUND = 5;

  // Instantiates a client.
  const client = new KeyManagementServiceClient();

  // Build the parent key ring name.
  const keyRingName = client.keyRingPath(PROJECT_ID, key_location, KEY_RING_ID);

  // Get key ring.
  try {
    await client.getKeyRing({name: keyRingName});
  } catch (err) {
    // Create key ring if it doesn't exist.
    if (err.code === NOT_FOUND) {
      // Build the parent location name.
      const locationName = client.locationPath(PROJECT_ID, key_location);
      await client.createKeyRing({
        parent: locationName,
        keyRingId: KEY_RING_ID,
      });
    } else {
      throw err;
    }
  }

  // Get key.
  try {
    // Build the key name
    const keyName = client.cryptoKeyPath(
      PROJECT_ID,
      key_location,
      KEY_RING_ID,
      KEY_ID
    );
    const [key] = await client.getCryptoKey({
      name: keyName,
    });
    return key;
  } catch (err) {
    // Create key if it doesn't exist.
    if (err.code === NOT_FOUND) {
      const [key] = await client.createCryptoKey({
        parent: keyRingName,
        cryptoKeyId: KEY_ID,
        cryptoKey: {
          purpose: 'ENCRYPT_DECRYPT',
          versionTemplate: {
            algorithm: 'GOOGLE_SYMMETRIC_ENCRYPTION',
          },
        },
      });
      return key;
    } else {
      throw err;
    }
  }
}