ajayydv commented on a change in pull request #547: HDDS-594. SCM CA: DN sends
CSR and uses certificate issued by SCM.
URL: https://github.com/apache/hadoop/pull/547#discussion_r262751813
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/HddsDatanodeService.java
##########
@@ -252,38 +250,37 @@ public void
initializeCertificateClient(OzoneConfiguration config)
/**
* Get SCM signed certificate and store it using certificate client.
+ * @param client
+ * @param config
* */
private void getSCMSignedCert(CertificateClient client,
OzoneConfiguration config) throws IOException {
+ PKCS10CertificationRequest csr = getCSR(client, config);
+ SCMSecurityProtocol secureScmClient =
+ HddsUtils.getScmSecurityClient(config,
+ HddsUtils.getScmAddressForSecurityProtocol(config));
- for (EndpointStateMachine ep : datanodeStateMachine.getConnectionManager()
- .getValues()) {
- PKCS10CertificationRequest csr = getCSR(client, config, ep.getVersion());
- SCMSecurityProtocol secureScmClient =
- HddsUtils.getScmSecurityClient(config, ep.getAddress());
+ String pemEncodedCert = secureScmClient.getDataNodeCertificate(
+ datanodeDetails.getProtoBufMessage(), getEncodedString(csr));
- String pemEncodedCert = secureScmClient.getDataNodeCertificate(
- datanodeDetails.getProtoBufMessage(), getEncodedString(csr));
-
- try {
- X509Certificate x509Certificate =
- CertificateCodec.getX509Certificate(pemEncodedCert);
- client.storeCertificate(x509Certificate);
- } catch (IOException | CertificateException e) {
- LOG.error("Error while storing SCM signed certificate.", e);
- throw new RuntimeException(e);
Review comment:
I think IPC layer already has logic to retry for socket timeout related
errors. If it fails there (unrecoverable), then its best to shutdown DN.
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