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nixpkgs/nixos/tests/mysql-backup.nix

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Nix

# Test whether mysqlBackup option works
import ./make-test.nix ({ pkgs, ... } : {
name = "mysql-backup";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ rvl ];
};
nodes = {
master = { pkgs, ... }: {
services.mysql = {
enable = true;
initialDatabases = [ { name = "testdb"; schema = ./testdb.sql; } ];
package = pkgs.mysql;
};
services.mysqlBackup = {
enable = true;
databases = [ "doesnotexist" "testdb" ];
};
};
};
testScript =
'' startAll;
# Delete backup file that may be left over from a previous test run.
# This is not needed on Hydra but useful for repeated local test runs.
$master->execute("rm -f /var/backup/mysql/testdb.gz");
# Need to have mysql started so that it can be populated with data.
$master->waitForUnit("mysql.service");
# Wait for testdb to be fully populated (5 rows).
$master->waitUntilSucceeds("mysql -u root -D testdb -N -B -e 'select count(id) from tests' | grep -q 5");
# Do a backup and wait for it to start
$master->startJob("mysql-backup.service");
$master->waitForJob("mysql-backup.service");
# wait for backup to fail, because of database 'doesnotexist'
$master->waitUntilFails("systemctl is-active -q mysql-backup.service");
# wait for backup file and check that data appears in backup
$master->waitForFile("/var/backup/mysql/testdb.gz");
$master->succeed("${pkgs.gzip}/bin/zcat /var/backup/mysql/testdb.gz | grep hello");
# Check that a failed backup is logged
$master->succeed("journalctl -u mysql-backup.service | grep 'fail.*doesnotexist' > /dev/null");
'';
})