nixos/tests: add check mariadb galera cluster with rsync-based SST

nixos/tests/all-tests.nix

@@ -176,6 +176,7 @@ in
   magic-wormhole-mailbox-server = handleTest ./magic-wormhole-mailbox-server.nix {};
   mailcatcher = handleTest ./mailcatcher.nix {};
   mariadb-galera-mariabackup = handleTest ./mysql/mariadb-galera-mariabackup.nix {};
+  mariadb-galera-rsync = handleTest ./mysql/mariadb-galera-rsync.nix {};
   mathics = handleTest ./mathics.nix {};
   matomo = handleTest ./matomo.nix {};
   matrix-synapse = handleTest ./matrix-synapse.nix {};

nixos/tests/mysql/mariadb-galera-rsync.nix

@@ -0,0 +1,216 @@
+import ./../make-test-python.nix ({ pkgs, ...} :
+
+let
+  mysqlenv-common      = pkgs.buildEnv { name = "mysql-path-env-common";      pathsToLink = [ "/bin" ]; paths = with pkgs; [ bash gawk gnutar inetutils which ]; };
+  mysqlenv-rsync       = pkgs.buildEnv { name = "mysql-path-env-rsync";       pathsToLink = [ "/bin" ]; paths = with pkgs; [ lsof procps rsync stunnel ]; };
+
+in {
+  name = "mariadb-galera-rsync";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ izorkin ];
+  };
+
+  # The test creates a Galera cluster with 3 nodes and is checking if rsync-based SST works. The cluster is tested by creating a DB and an empty table on one node,
+  # and checking the table's presence on the other node.
+
+  nodes = {
+    galera_04 =
+      { pkgs, ... }:
+      {
+      networking = {
+        interfaces.eth1 = {
+          ipv4.addresses = [
+            { address = "192.168.2.1"; prefixLength = 24; }
+          ];
+        };
+        extraHosts = ''
+          192.168.2.1 galera_04
+          192.168.2.2 galera_05
+          192.168.2.3 galera_06
+        '';
+        firewall.allowedTCPPorts = [ 3306 4444 4567 4568 ];
+        firewall.allowedUDPPorts = [ 4567 ];
+      };
+      users.users.testuser = { };
+      systemd.services.mysql = with pkgs; {
+        path = [ mysqlenv-common mysqlenv-rsync ];
+      };
+      services.mysql = {
+        enable = true;
+        package = pkgs.mariadb;
+        ensureDatabases = [ "testdb" ];
+        ensureUsers = [{
+          name = "testuser";
+          ensurePermissions = {
+            "testdb.*" = "ALL PRIVILEGES";
+          };
+        }];
+        settings = {
+          mysqld = {
+            bind_address = "0.0.0.0";
+          };
+          galera = {
+            wsrep_on = "ON";
+            wsrep_debug = "OFF";
+            wsrep_retry_autocommit = "3";
+            wsrep_provider = "${pkgs.mariadb-galera_25}/lib/galera/libgalera_smm.so";
+            wsrep_cluster_address = "gcomm://";
+            wsrep_cluster_name = "galera-rsync";
+            wsrep_node_address = "192.168.2.1";
+            wsrep_node_name = "galera_04";
+            wsrep_sst_method = "rsync";
+            binlog_format = "ROW";
+            enforce_storage_engine = "InnoDB";
+            innodb_autoinc_lock_mode = "2";
+          };
+        };
+      };
+    };
+
+    galera_05 =
+      { pkgs, ... }:
+      {
+      networking = {
+        interfaces.eth1 = {
+          ipv4.addresses = [
+            { address = "192.168.2.2"; prefixLength = 24; }
+          ];
+        };
+        extraHosts = ''
+          192.168.2.1 galera_04
+          192.168.2.2 galera_05
+          192.168.2.3 galera_06
+        '';
+        firewall.allowedTCPPorts = [ 3306 4444 4567 4568 ];
+        firewall.allowedUDPPorts = [ 4567 ];
+      };
+      users.users.testuser = { };
+      systemd.services.mysql = with pkgs; {
+        path = [ mysqlenv-common mysqlenv-rsync ];
+      };
+      services.mysql = {
+        enable = true;
+        package = pkgs.mariadb;
+        settings = {
+          mysqld = {
+            bind_address = "0.0.0.0";
+          };
+          galera = {
+            wsrep_on = "ON";
+            wsrep_debug = "OFF";
+            wsrep_retry_autocommit = "3";
+            wsrep_provider = "${pkgs.mariadb-galera_25}/lib/galera/libgalera_smm.so";
+            wsrep_cluster_address = "gcomm://galera_04,galera_05,galera_06";
+            wsrep_cluster_name = "galera-rsync";
+            wsrep_node_address = "192.168.2.2";
+            wsrep_node_name = "galera_05";
+            wsrep_sst_method = "rsync";
+            binlog_format = "ROW";
+            enforce_storage_engine = "InnoDB";
+            innodb_autoinc_lock_mode = "2";
+          };
+        };
+      };
+    };
+
+    galera_06 =
+      { pkgs, ... }:
+      {
+      networking = {
+        interfaces.eth1 = {
+          ipv4.addresses = [
+            { address = "192.168.2.3"; prefixLength = 24; }
+          ];
+        };
+        extraHosts = ''
+          192.168.2.1 galera_04
+          192.168.2.2 galera_05
+          192.168.2.3 galera_06
+        '';
+        firewall.allowedTCPPorts = [ 3306 4444 4567 4568 ];
+        firewall.allowedUDPPorts = [ 4567 ];
+      };
+      users.users.testuser = { };
+      systemd.services.mysql = with pkgs; {
+        path = [ mysqlenv-common mysqlenv-rsync ];
+      };
+      services.mysql = {
+        enable = true;
+        package = pkgs.mariadb;
+        settings = {
+          mysqld = {
+            bind_address = "0.0.0.0";
+          };
+          galera = {
+            wsrep_on = "ON";
+            wsrep_debug = "OFF";
+            wsrep_retry_autocommit = "3";
+            wsrep_provider = "${pkgs.mariadb-galera_25}/lib/galera/libgalera_smm.so";
+            wsrep_cluster_address = "gcomm://galera_04,galera_05,galera_06";
+            wsrep_cluster_name = "galera-rsync";
+            wsrep_node_address = "192.168.2.3";
+            wsrep_node_name = "galera_06";
+            wsrep_sst_method = "rsync";
+            binlog_format = "ROW";
+            enforce_storage_engine = "InnoDB";
+            innodb_autoinc_lock_mode = "2";
+          };
+        };
+      };
+    };
+  };
+
+  testScript = ''
+    galera_04.start()
+    galera_04.wait_for_unit("mysql")
+    galera_04.wait_for_open_port(3306)
+    galera_04.succeed(
+        "sudo -u testuser mysql -u testuser -e 'use testdb; create table db1 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
+    )
+    galera_04.succeed(
+        "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db1 values (41);'"
+    )
+    galera_05.start()
+    galera_05.wait_for_unit("mysql")
+    galera_05.wait_for_open_port(3306)
+    galera_06.start()
+    galera_06.wait_for_unit("mysql")
+    galera_06.wait_for_open_port(3306)
+    galera_05.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db1;' -N | grep 41"
+    )
+    galera_05.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; create table db2 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
+    )
+    galera_05.succeed("systemctl stop mysql")
+    galera_04.succeed(
+        "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db2 values (42);'"
+    )
+    galera_06.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; create table db3 (test_id INT, PRIMARY KEY (test_id)) ENGINE = InnoDB;'"
+    )
+    galera_04.succeed(
+        "sudo -u testuser mysql -u testuser -e 'use testdb; insert into db3 values (43);'"
+    )
+    galera_05.succeed("systemctl start mysql")
+    galera_05.wait_for_open_port(3306)
+    galera_05.succeed(
+        "sudo -u testuser mysql -u root -e 'show status' -N | grep 'wsrep_cluster_size.*3'"
+    )
+    galera_06.succeed(
+        "sudo -u testuser mysql -u root -e 'show status' -N | grep 'wsrep_local_state_comment.*Synced'"
+    )
+    galera_04.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db3;' -N | grep 43"
+    )
+    galera_05.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db2;' -N | grep 42"
+    )
+    galera_06.succeed(
+        "sudo -u testuser mysql -u root -e 'use testdb; select test_id from db1;' -N | grep 41"
+    )
+    galera_04.succeed("sudo -u testuser mysql -u testuser -e 'use testdb; drop table db3;'")
+    galera_05.succeed("sudo -u testuser mysql -u root -e 'use testdb; drop table db2;'")
+    galera_06.succeed("sudo -u testuser mysql -u root -e 'use testdb; drop table db1;'")
+  '';
+})

pkgs/servers/sql/mariadb/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub, cmake, pkgconfig, makeWrapper, ncurses
+{ stdenv, fetchurl, fetchFromGitHub, cmake, pkgconfig, makeWrapper, ncurses, nixosTests
 , libiconv, openssl, pcre, boost, judy, bison, libxml2, libkrb5, linux-pam, curl
 , libaio, libevent, jemalloc450, jemalloc, cracklib, systemd, perl
 , bzip2, lz4, lzo, snappy, xz, zlib, zstd
@@ -101,6 +101,11 @@ common = rec { # attributes common to both builds
 
   passthru.mysqlVersion = "5.7";
 
+  passthru.tests = {
+    mariadb-galera-mariabackup = nixosTests.mariadb-galera-mariabackup;
+    mariadb-galera-rsync = nixosTests.mariadb-galera-rsync;
+  };
+
   meta = {
 
     description = "An enhanced, drop-in replacement for MySQL";