nixpkgs/nixos/tests/mysql-backup.nix

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# Test whether mysqlBackup option works
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import ./make-test-python.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" ];
};
};
};
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testScript = ''
start_all()
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# 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")
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# Need to have mysql started so that it can be populated with data.
master.wait_for_unit("mysql.service")
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# Wait for testdb to be fully populated (5 rows).
master.wait_until_succeeds(
"mysql -u root -D testdb -N -B -e 'select count(id) from tests' | grep -q 5"
)
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# Do a backup and wait for it to start
master.start_job("mysql-backup.service")
master.wait_for_unit("mysql-backup.service")
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# wait for backup to fail, because of database 'doesnotexist'
master.wait_until_fails("systemctl is-active -q mysql-backup.service")
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# wait for backup file and check that data appears in backup
master.wait_for_file("/var/backup/mysql/testdb.gz")
master.succeed(
"${pkgs.gzip}/bin/zcat /var/backup/mysql/testdb.gz | grep hello"
)
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# Check that a failed backup is logged
master.succeed(
"journalctl -u mysql-backup.service | grep 'fail.*doesnotexist' > /dev/null"
)
'';
})