Fix advanced SSL configuration for Keeper's internal communication

contrib/NuRaft

@@ -1 +1 @@
-Subproject commit ce6de271811899d587fc28b500041ebcf720014f
+Subproject commit c11f7fce68737cdc67a1d61678b2717d617ebb5a

src/Coordination/KeeperServer.cpp

@@ -83,6 +83,7 @@ namespace ErrorCodes
     extern const int LOGICAL_ERROR;
     extern const int INVALID_CONFIG_PARAMETER;
     extern const int BAD_ARGUMENTS;
+    extern const int OPENSSL_ERROR;
 }
 
 using namespace std::chrono_literals;
@@ -92,47 +93,39 @@ namespace
 
 #if USE_SSL
 
-int callSetCertificate(SSL * ssl, void * arg)
+auto getSslContextProvider(const Poco::Util::AbstractConfiguration & config, std::string_view key)
 {
-    if (!arg)
+    String load_default_ca_file_property = fmt::format("openSSL.{}.loadDefaultCAFile", key);
-        return -1;
+    String verification_mode_property = fmt::format("openSSL.{}.verificationMode", key);
-
+    String root_ca_file_property = fmt::format("openSSL.{}.caConfig", key);
-    const CertificateReloader::Data * data = reinterpret_cast<CertificateReloader::Data *>(arg);
+    String prefer_server_cypher_property = fmt::format("openSSL.{}.preferServerCiphers", key);
-    return setCertificateCallback(ssl, data, getLogger("SSLContext"));
+    String private_key_passphrase_property = fmt::format("openSSL.{}.privateKeyPassphraseHandler.options.password", key);
-}
-
-void setSSLParams(nuraft::asio_service::options & asio_opts)
-{
-    const Poco::Util::LayeredConfiguration & config = Poco::Util::Application::instance().config();
-    String certificate_file_property = "openSSL.server.certificateFile";
-    String private_key_file_property = "openSSL.server.privateKeyFile";
-    String root_ca_file_property = "openSSL.server.caConfig";
-
-    if (!config.has(certificate_file_property))
-        throw Exception(ErrorCodes::NO_ELEMENTS_IN_CONFIG, "Server certificate file is not set.");
-
-    if (!config.has(private_key_file_property))
-        throw Exception(ErrorCodes::NO_ELEMENTS_IN_CONFIG, "Server private key file is not set.");
 
     Poco::Net::Context::Params params;
-    params.certificateFile = config.getString(certificate_file_property);
+    String certificate_file_property = fmt::format("openSSL.{}.certificateFile", key);
-    if (params.certificateFile.empty())
+    String private_key_file_property = fmt::format("openSSL.{}.privateKeyFile", key);
-        throw Exception(ErrorCodes::BAD_ARGUMENTS, "Server certificate file in config '{}' is empty", certificate_file_property);
+    if (config.has(certificate_file_property))
+        params.certificateFile = config.getString(certificate_file_property);
 
-    params.privateKeyFile = config.getString(private_key_file_property);
+    if (config.has(private_key_file_property))
-    if (params.privateKeyFile.empty())
+        params.privateKeyFile = config.getString(private_key_file_property);
-        throw Exception(ErrorCodes::BAD_ARGUMENTS, "Server key file in config '{}' is empty", private_key_file_property);
 
-    auto pass_phrase = config.getString("openSSL.server.privateKeyPassphraseHandler.options.password", "");
+    std::shared_ptr<CertificateReloader::Data> certificate_data;
-    auto certificate_data = std::make_shared<CertificateReloader::Data>(params.certificateFile, params.privateKeyFile, pass_phrase);
+    if (config.has(private_key_passphrase_property))
+    {
+        certificate_data = std::make_shared<CertificateReloader::Data>(
+            params.certificateFile, params.privateKeyFile, config.getString(private_key_passphrase_property));
+        params.certificateFile.clear();
+        params.privateKeyFile.clear();
+    }
 
     if (config.has(root_ca_file_property))
         params.caLocation = config.getString(root_ca_file_property);
 
-    params.loadDefaultCAs = config.getBool("openSSL.server.loadDefaultCAFile", false);
+    params.loadDefaultCAs = config.getBool(load_default_ca_file_property, false);
-    params.verificationMode = Poco::Net::Utility::convertVerificationMode(config.getString("openSSL.server.verificationMode", "none"));
+    params.verificationMode = Poco::Net::Utility::convertVerificationMode(config.getString(verification_mode_property, "none"));
 
-    std::string disabled_protocols_list = config.getString("openSSL.server.disableProtocols", "");
+    std::string disabled_protocols_list = config.getString(fmt::format("openSSL.{}.disableProtocols", key), "");
     Poco::StringTokenizer dp_tok(disabled_protocols_list, ";,", Poco::StringTokenizer::TOK_TRIM | Poco::StringTokenizer::TOK_IGNORE_EMPTY);
     int disabled_protocols = 0;
     for (const auto & token : dp_tok)
@@ -149,21 +142,54 @@ void setSSLParams(nuraft::asio_service::options & asio_opts)
             disabled_protocols |= Poco::Net::Context::PROTO_TLSV1_2;
     }
 
-    asio_opts.ssl_context_provider_server_ = [params, certificate_data, disabled_protocols]
+    auto prefer_server_cypher = config.getBool(fmt::format("openSSL.{}.preferServerCiphers", key), false);
+    auto cache_sessions = config.getBool(fmt::format("openSSL.{}.cache_sessions", key), false);
+    return [params, disabled_protocols, prefer_server_cypher, cache_sessions, is_server = key == "server", certificate_data]
     {
-        Poco::Net::Context context(Poco::Net::Context::Usage::TLSV1_2_SERVER_USE, params);
+        Poco::Net::Context context(is_server ? Poco::Net::Context::Usage::SERVER_USE : Poco::Net::Context::Usage::CLIENT_USE, params);
         context.disableProtocols(disabled_protocols);
-        SSL_CTX * ssl_ctx = context.takeSslContext();
-        SSL_CTX_set_cert_cb(ssl_ctx, callSetCertificate, reinterpret_cast<void *>(certificate_data.get()));
-        return ssl_ctx;
-    };
 
-    asio_opts.ssl_context_provider_client_ = [ctx_params = std::move(params)]
+        if (prefer_server_cypher)
-    {
+            context.preferServerCiphers();
-        Poco::Net::Context context(Poco::Net::Context::Usage::TLSV1_2_CLIENT_USE, ctx_params);
+
+        if (cache_sessions)
+            context.enableSessionCache();
+
+        auto * ssl_ctx = context.sslContext();
+        if (certificate_data)
+        {
+            if (auto err = SSL_CTX_clear_chain_certs(ssl_ctx); err != 1)
+                throw Exception(ErrorCodes::OPENSSL_ERROR, "Clear certificates {}", Poco::Net::Utility::getLastError());
+
+            if (auto err = SSL_CTX_use_certificate(ssl_ctx, const_cast<X509 *>(certificate_data->certs_chain[0].certificate())); err != 1)
+                throw Exception(ErrorCodes::OPENSSL_ERROR, "Use certificate {}", Poco::Net::Utility::getLastError());
+
+            for (auto cert = certificate_data->certs_chain.begin() + 1; cert != certificate_data->certs_chain.end(); cert++)
+            {
+                if (auto err = SSL_CTX_add1_chain_cert(ssl_ctx, const_cast<X509 *>(cert->certificate())); err != 1)
+                    throw Exception(ErrorCodes::OPENSSL_ERROR, "Add certificate to chain {}", Poco::Net::Utility::getLastError());
+            }
+
+            if (auto err = SSL_CTX_use_PrivateKey(ssl_ctx, const_cast<EVP_PKEY *>(static_cast<const EVP_PKEY *>(certificate_data->key))); err != 1)
+                throw Exception(ErrorCodes::OPENSSL_ERROR, "Use private key {}", Poco::Net::Utility::getLastError());
+
+            if (auto err = SSL_CTX_check_private_key(ssl_ctx); err != 1)
+                throw Exception(ErrorCodes::OPENSSL_ERROR, "Unusable key-pair {}", Poco::Net::Utility::getLastError());
+        }
+
+
         return context.takeSslContext();
     };
 }
+
+void setSSLParams(nuraft::asio_service::options & asio_opts)
+{
+    asio_opts.enable_ssl_ = true;
+
+    const Poco::Util::LayeredConfiguration & config = Poco::Util::Application::instance().config();
+    asio_opts.ssl_context_provider_server_ = getSslContextProvider(config, "server");
+    asio_opts.ssl_context_provider_client_ = getSslContextProvider(config, "client");
+}
 #endif
 
 std::string checkAndGetSuperdigest(const String & user_and_digest)
@@ -483,7 +509,6 @@ void KeeperServer::launchRaftServer(const Poco::Util::AbstractConfiguration & co
         throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "SSL support for NuRaft is disabled because ClickHouse was built without SSL support.");
 #endif
     }
-
     if (is_recovering)
         enterRecoveryMode(params);
 

tests/integration/test_keeper_internal_secure/configs/WithPassPhrase.crt

@@ -1,20 +1,22 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----

tests/integration/test_keeper_internal_secure/configs/WithPassPhrase.key

@@ -1,30 +1,28 @@
------BEGIN RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
-Proc-Type: 4,ENCRYPTED
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDUXmnnCv7sY9lb
-DEK-Info: AES-256-CBC,4E14FF586022476CD22AAFB662BB0E40
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-
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+-----END PRIVATE KEY-----
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------END RSA PRIVATE KEY-----

tests/integration/test_keeper_internal_secure/configs/WithoutPassPhrase.crt

@@ -1,19 +1,22 @@
 -----BEGIN CERTIFICATE-----
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-S4xRQRSteCTtGGmWpx+Jmt+90wFnLgruUbWT0veCoLxLvz0tJUk3ueUVnMkrxBQG
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-Fz+IWm+SQppNU5LlAcBcu9wJfo3h34BXp0NFNQIDAQABMA0GCSqGSIb3DQEBCwUA
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-rG+CSoFGiJcOBbhDkvpY32cAJEnJOA1vHpFxfnGP8/1haeVZHqSwH1cySD78HVtF
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-fBs000wGHzBYWNI2KkwjNtYf06P4
+D6aVq04f7vjffGeFzvQhfAEnK5/rutWDyq9rXlqcKcPFLhl2Pozk7ty3V+Wz7i3+
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+sXTk0P3Eh9zQ9vT2HI3ZVkqXUe3qQZhUOkKezy0J/OK/6wlvRoO3GXr8/gJO+lJp
+ATwurpIc/za08toWbziOOL4xhY4RA+7S9uK3Uz+2a8AoRyUurMP4AHpx
 -----END CERTIFICATE-----

tests/integration/test_keeper_internal_secure/configs/WithoutPassPhrase.key

@@ -1,27 +1,28 @@
------BEGIN RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
-MIIEowIBAAKCAQEA1iPeYn1Vy4QnQi6uNVqQnFLr0u3qdrMjGEBNAOuGmtIdhIn8
+MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCgflyzKg1deXEX
-rMCzaehNr3y2YTMRbZAqmv28P/wOXpzR1uQaFlQzTOjmsn/HOZ9JX2hv5sBUv7SU
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-UiPJS7UtptKDPbLv3N/v1dOXbY+vVyzo8U1Q9OS1J5yhYW6KtxP++hfSrOsFu669
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-d1pqWFWaNBsmf0zF+ETvi6lywhyTFA1/PazcStP5GntcDL7eDvGq+DDsRC40oRpy
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-S4xRQRSteCTtGGmWpx+Jmt+90wFnLgruUbWT0veCoLxLvz0tJUk3ueUVnMkrxBQG
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-Fz+IWm+SQppNU5LlAcBcu9wJfo3h34BXp0NFNQIDAQABAoIBAHYDso2o8V2F6XTp
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-8QxqawQcFudaQztDonW9CjMVmks8vRPMUDqMwNP/OMEcBA8xa8tsBm8Ao3zH1suB
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-tYuujkn8AYHDYVDCZvN0u6UfE3yiRpKYXJ2gJ1HX+d7UaYvZT6P0rmKzh+LTqxhq
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-v5MMI+f8/GHGreVICJUoclE+4V/4LDHUlrc3l1kQk0keeD6ECw/pl48TNL6ncXKu
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-yTecMIkCgYEA7CFQMyeLVeBA6C9AHBe8Zf/k64cMPyr0lUz6548ulil580PNPbvW
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-MPTxCDU7Se5Dwj0Fq81aFRtCHl8Rrss+WiBD8eRoxb/vwXKFc6VUAWMCgYEA6CjZ
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-XrZz11lySBhjkyVXcdLj89hDZ+bPxA7b3VB7TfCxsn5xVck7U3TFkg5Z9XwEQ7Ob
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-XFAPuwT9GKm7QPp6L8T2RltoJ3ys40UH1RtcNLz2aIo/xSP7lopPdAfWHef5r4y9
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-kRw+Gh4NP/l5wefXsRz/D0jY3+t+QnwnhuCKbocCgYEAiR6bPOlkvzyXVH1DxEyA
++HMIbX3beiKec+C0xbt5xbOYkO4pfurS8V9fYsJTFyDDiMk9cDlHwKfH71yO2Qgp
-Sdb8b00f7nqaRyzJsrfxvJ9fQsWHpKa0ZkYOUW9ECLlMQjHHHXEK0vGBmqe9qDWY
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-63RhtRgvbLVYDb018k7rc9I846Hd7AudmJ9UbIjE4hyrWlsnNOntur32ej6IvTEn
+N2TxhfFxCDTylH7DxG5k29ma0+/kJj4xNrcr+090iKxkMd1FdLaRSGAar1Fcpnon
-Bx0fd5NEyDi6GGLRXiOOkbMCgYAressLE/yqDlR68CZl/o5cAPU0TAKDyRSMUYQX
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-9OTC+hstpMSxHlkADlSaQBnVAf8CdvbX2R65FfwYzGEHkGGl5KuDDcd57b2rathG
+g/jHUU1kxWgKftWTU1yRj41Z+t6cB64fUZmqQTucj9dwSa/0qfAym76kGG8UPtto
-rzMbpXA4r/u1fkG2Nf0fbABL5ZA7so4mSTXQSmSM4LpO+I7K2vVh9XC4rzAcX4g/
+6QBM/8YGpEHcZZFSm1MWRZqXJwlp0MeSj3RKEEKf/NOG1OanZQ8kO7E9lt5kewG1
-mHoUrQKBgBf3rxp5h9P3HWoZYjzBDo2FqXUjKLLjE9ed5e/VqecqfHIkmueuNHlN
+OEZaGfeQw2p+G2fAdJiM9DY0+gDC9zRQdEW9/QKBgQCIlZ6ToPdBJPuhKTtV0+c/
-xifHr7lpsYu6IXkTnlK14pvLoPuwP59dCIOUYwAFz8RlH4MSUGNhYeGA8cqRrhmJ
+e3k0+bKy3OIoW+laaRS3JMMyvveQECaLKMsVMYCppJfKCV/NOUnTIw/g1vXuom6I
-tYk3OKExuN/+O12kUPVTy6BMH1hBdRJP+7y7lapWsRhZt18y+8Za
+QZHGK10aWB8bunblKFrSFxfBStgDCPeZklb4ECQP4+QfLb7Xi7fAvfSi0hFP4LNo
------END RSA PRIVATE KEY-----
+Ea+Ttp/shik8d0sy217IEQ==
+-----END PRIVATE KEY-----

tests/integration/test_keeper_internal_secure/configs/enable_secure_keeper1.xml

@@ -11,6 +11,7 @@
             <session_timeout_ms>10000</session_timeout_ms>
             <snapshot_distance>75</snapshot_distance>
             <raft_logs_level>trace</raft_logs_level>
+            <startup_timeout>1000</startup_timeout>
         </coordination_settings>
 
         <raft_configuration>

tests/integration/test_keeper_internal_secure/configs/enable_secure_keeper2.xml

@@ -11,6 +11,7 @@
             <session_timeout_ms>10000</session_timeout_ms>
             <snapshot_distance>75</snapshot_distance>
             <raft_logs_level>trace</raft_logs_level>
+            <startup_timeout>1000</startup_timeout>
         </coordination_settings>
 
         <raft_configuration>

tests/integration/test_keeper_internal_secure/configs/enable_secure_keeper3.xml

@@ -11,6 +11,7 @@
             <session_timeout_ms>10000</session_timeout_ms>
             <snapshot_distance>75</snapshot_distance>
             <raft_logs_level>trace</raft_logs_level>
+            <startup_timeout>1000</startup_timeout>
         </coordination_settings>
 
         <raft_configuration>

tests/integration/test_keeper_internal_secure/configs/rootCA.pem

@@ -1,21 +1,22 @@
 -----BEGIN CERTIFICATE-----
-MIIDazCCAlOgAwIBAgIUUiyhAav08YhTLfUIXLN/0Ln09n4wDQYJKoZIhvcNAQEL
+MIIDtzCCAp+gAwIBAgIUeJXILNkZb1FYvV7YnFYDB1OUrB4wDQYJKoZIhvcNAQEL
-BQAwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
+BQAwazELMAkGA1UEBhMCREUxDjAMBgNVBAgMBVN0YXRlMQ0wCwYDVQQHDARDaXR5
-GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMTA0MTIxMTQ1MjBaFw0yMTA1
+MRAwDgYDVQQKDAdDb21wYW55MQ0wCwYDVQQLDARVbml0MRwwGgYDVQQDDBNUZXN0
-MTIxMTQ1MjBaMEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw
+Y2x1c3RlciBSb290IENBMB4XDTI0MTIwMjE0MjkyNloXDTM0MTEzMDE0MjkyNlow
-HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggEiMA0GCSqGSIb3DQEB
+azELMAkGA1UEBhMCREUxDjAMBgNVBAgMBVN0YXRlMQ0wCwYDVQQHDARDaXR5MRAw
-AQUAA4IBDwAwggEKAoIBAQDK0Ww4voPlkePBPS2MsEi7e1ePS+CDxTdDuOwWWEA7
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-JiOyqIGqdyL6AE2EqjL3sSdVFVxytpGQWDuM6JHXdb01AnMngBuql9Jkiln7i267
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-v54HtMWdm8o3rik/b/mB+kkn/sP715tI49Ybh/RobtvtK16ZgHr1ombkq6rXiom2
+1W4Swyw4g8VROLzDCYieR+6tyvUwkP/KyH9UapuCnQtZCaNhz6uCCouWONIV8LEx
-8GmSmpYFwZtZsXtm2JwbZVayupQpWwdu3KrTXKBtVyKVvvWdgkf47DWYtWDS3vqE
+Mk6YnHJKkBfsWx2C2dKQo3PFyroDa+9J08eFglZCCUcYqYJSzHne07fniIug37w2
-cShM1H97G4DvI+4RX1WtQevQ0yCx1aFTg4xMHFkpUxlP8iW6mQaQPqy9rnI57e3L
+hekFWPbl8dYaNrnRNVUqkAHkFcxJA7JHnEPx+N0V58+2OJrq8bucTVA35oCq6Cjj
-RHc2I/B56xa43R3GmQ2S7bE4hvm1SrZDtVgrZLf4nvwNAgMBAAGjUzBRMB0GA1Ud
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-DgQWBBQ4+o0x1FzK7nRbcnm2pNLwaywCdzAfBgNVHSMEGDAWgBQ4+o0x1FzK7nRb
+UpphEmZIB7rPhCl3qkUgiFM8obgVGgw7E6UD1BKkCS42SFlONAdxnVKNTghN7RK3
-cnm2pNLwaywCdzAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQDE
+dmAmUYvtT1O7tj4BPQIDAQABo1MwUTAdBgNVHQ4EFgQUxkqr+ix20JSq6T1rWBFa
-YmM8MH6RKcaqMqCBefWLj0LTcZ/Wm4G/eCFC51PkAIsf7thnzViemBHRXUSF8wzc
+F/v3OXEwHwYDVR0jBBgwFoAUxkqr+ix20JSq6T1rWBFaF/v3OXEwDwYDVR0TAQH/
-1MBPD6II6OB1F0i7ntGjtlhnL2WcPYbo2Np59p7fo9SMbYwF49OZ40twsuKeeoAp
+BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAEyO49djQOI9qaHc0tvuAtio+qRqT
-pfow+y/EBZqa99MY2q6FU6FDA3Rpv0Sdk+/5PHdsSP6cgeMszFBUS0tCQEvEl83n
+zQN5H8FJS4T7RDZSc3sXaUElY8hD2ecGZPDtxmFZy+IMtSGZcMfKlEr3pugrYwRh
-FJUb0vjEX4x3J64XO/0DKXyCxFyF77OwHG2ZV5BeCpIhGXu+d/e221LJkGI2orKR
+571dFp1+o8wEmyOU0NHsGmSxCLZOk9nMxZEhLvc722B6oKHTIm3rvxkQqKpdfliE
-kgsaUwrkS8HQt3Hd0gYpLI1Opx/JlRpB0VLYLzRGj7kDpbAcTj3SMEUp/FAZmlXR
+oFW2QZVBteZ04A4AKOs0mkZptycZKMLiht5I2s1gzlbK9084huGmnayW9a3pKWyV
-Iiebt73eE3rOWVFgyY9f
+zpgnugfxEiwjKh7HpF9Mc2M4Z3f483bj/f6+G8Z7668dORQUFUwv/ohxN8w8zfgA
+pfrQNknzYfihuFam6/CFzOsT9Nndtuz14N/LKI9csd2ixWTknHPLyMGrVA==
 -----END CERTIFICATE-----

tests/integration/test_keeper_internal_secure/configs/ssl_conf.yml

@@ -8,3 +8,11 @@ openSSL:
     cacheSessions: true
     disableProtocols: 'sslv2,sslv3'
     preferServerCiphers: true
+  client:
+    certificateFile: '/etc/clickhouse-server/config.d/WithoutPassPhrase.crt'
+    caConfig: '/etc/clickhouse-server/config.d/rootCA.pem'
+    loadDefaultCAFile: true
+    verificationMode: 'none'
+    cacheSessions: true
+    disableProtocols: 'sslv2,sslv3'
+    preferServerCiphers: true

tests/integration/test_keeper_internal_secure/configs/ssl_conf_password.yml

@@ -2,10 +2,18 @@ openSSL:
   server:
     certificateFile: '/etc/clickhouse-server/config.d/WithoutPassPhrase.crt'
     privateKeyFile: '/etc/clickhouse-server/config.d/WithoutPassPhrase.key'
+    caConfig: '/etc/clickhouse-server/config.d/rootCA.pem'
     privateKeyPassphraseHandler:
         name: KeyFileHandler
         options:
             password: 'PASSWORD'
+    loadDefaultCAFile: true
+    verificationMode: 'none'
+    cacheSessions: true
+    disableProtocols: 'sslv2,sslv3'
+    preferServerCiphers: true
+  client:
+    certificateFile: '/etc/clickhouse-server/config.d/WithoutPassPhrase.crt'
     caConfig: '/etc/clickhouse-server/config.d/rootCA.pem'
     loadDefaultCAFile: true
     verificationMode: 'none'

tests/integration/test_keeper_internal_secure/test.py

@@ -160,6 +160,9 @@ def check_valid_configuration(filename, password):
     for node in nodes:
         setupSsl(node, filename, password)
     start_all_clickhouse()
+    nodes[0].wait_for_log_line(
+        "Raft ASIO listener initiated on :::9234, SSL enabled", look_behind_lines=1000
+    )
     run_test()
 
 
@@ -168,9 +171,12 @@ def check_invalid_configuration(filename, password):
     for node in nodes:
         setupSsl(node, filename, password)
 
-    nodes[0].start_clickhouse(expected_to_fail=True)
+    nodes[0].start_clickhouse()
     nodes[0].wait_for_log_line(
-        "OpenSSLException: EVPKey::loadKey.*error:0480006C:PEM routines::no start line",
+        "Raft ASIO listener initiated on :::9234, SSL enabled", look_behind_lines=1000
+    )
+    nodes[0].wait_for_log_line(
+        "failed to connect to peer.*Connection refused"
     )