89 lines
2.8 KiB
Nix
89 lines
2.8 KiB
Nix
import ./make-test-python.nix ({ pkgs, ...} :
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let
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replicateUser = "replicate";
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replicatePassword = "secret";
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in
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{
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name = "mysql-replication";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ eelco shlevy ];
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};
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nodes = {
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master =
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{ pkgs, ... }:
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{
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services.mysql.enable = true;
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services.mysql.package = pkgs.mysql;
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services.mysql.replication.role = "master";
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services.mysql.replication.slaveHost = "%";
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services.mysql.replication.masterUser = replicateUser;
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services.mysql.replication.masterPassword = replicatePassword;
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services.mysql.initialDatabases = [ { name = "testdb"; schema = ./testdb.sql; } ];
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networking.firewall.allowedTCPPorts = [ 3306 ];
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};
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slave1 =
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{ pkgs, nodes, ... }:
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{
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services.mysql.enable = true;
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services.mysql.package = pkgs.mysql;
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services.mysql.replication.role = "slave";
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services.mysql.replication.serverId = 2;
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services.mysql.replication.masterHost = nodes.master.config.networking.hostName;
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services.mysql.replication.masterUser = replicateUser;
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services.mysql.replication.masterPassword = replicatePassword;
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};
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slave2 =
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{ pkgs, nodes, ... }:
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{
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services.mysql.enable = true;
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services.mysql.package = pkgs.mysql;
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services.mysql.replication.role = "slave";
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services.mysql.replication.serverId = 3;
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services.mysql.replication.masterHost = nodes.master.config.networking.hostName;
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services.mysql.replication.masterUser = replicateUser;
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services.mysql.replication.masterPassword = replicatePassword;
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};
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};
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testScript = ''
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master.start()
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master.wait_for_unit("mysql")
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master.wait_for_open_port(3306)
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# Wait for testdb to be fully populated (5 rows).
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master.wait_until_succeeds(
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"mysql -u root -D testdb -N -B -e 'select count(id) from tests' | grep -q 5"
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)
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slave1.start()
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slave2.start()
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slave1.wait_for_unit("mysql")
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slave1.wait_for_open_port(3306)
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slave2.wait_for_unit("mysql")
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slave2.wait_for_open_port(3306)
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# wait for replications to finish
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slave1.wait_until_succeeds(
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"mysql -u root -D testdb -N -B -e 'select count(id) from tests' | grep -q 5"
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)
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slave2.wait_until_succeeds(
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"mysql -u root -D testdb -N -B -e 'select count(id) from tests' | grep -q 5"
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)
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slave2.succeed("systemctl stop mysql")
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master.succeed("echo 'insert into testdb.tests values (123, 456);' | mysql -u root -N")
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slave2.succeed("systemctl start mysql")
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slave2.wait_for_unit("mysql")
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slave2.wait_for_open_port(3306)
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slave2.wait_until_succeeds(
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"echo 'select * from testdb.tests where Id = 123;' | mysql -u root -N | grep 456"
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)
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'';
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})
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