nixpkgs/nixos/tests/litestream.nix
2022-03-28 14:11:58 +02:00

94 lines
2.8 KiB
Nix

import ./make-test-python.nix ({ pkgs, ...} : {
name = "litestream";
meta = with pkgs.lib.maintainers; {
maintainers = [ jwygoda ];
};
nodes.machine =
{ pkgs, ... }:
{ services.litestream = {
enable = true;
settings = {
dbs = [
{
path = "/var/lib/grafana/data/grafana.db";
replicas = [{
url = "sftp://foo:bar@127.0.0.1:22/home/foo/grafana";
}];
}
];
};
};
systemd.services.grafana.serviceConfig.ExecStartPost = "+" + pkgs.writeShellScript "grant-grafana-permissions" ''
timeout=10
while [ ! -f /var/lib/grafana/data/grafana.db ];
do
if [ "$timeout" == 0 ]; then
echo "ERROR: Timeout while waiting for /var/lib/grafana/data/grafana.db."
exit 1
fi
sleep 1
((timeout--))
done
find /var/lib/grafana -type d -exec chmod -v 775 {} \;
find /var/lib/grafana -type f -exec chmod -v 660 {} \;
'';
services.openssh = {
enable = true;
allowSFTP = true;
listenAddresses = [ { addr = "127.0.0.1"; port = 22; } ];
};
services.grafana = {
enable = true;
security = {
adminUser = "admin";
adminPassword = "admin";
};
addr = "localhost";
port = 3000;
extraOptions = {
DATABASE_URL = "sqlite3:///var/lib/grafana/data/grafana.db?cache=private&mode=rwc&_journal_mode=WAL";
};
};
users.users.foo = {
isNormalUser = true;
password = "bar";
};
users.users.litestream.extraGroups = [ "grafana" ];
};
testScript = ''
start_all()
machine.wait_until_succeeds("test -d /home/foo/grafana")
machine.wait_for_open_port(3000)
machine.succeed("""
curl -sSfN -X PUT -H "Content-Type: application/json" -d '{
"oldPassword": "admin",
"newPassword": "newpass",
"confirmNew": "newpass"
}' http://admin:admin@127.0.0.1:3000/api/user/password
""")
# https://litestream.io/guides/systemd/#simulating-a-disaster
machine.systemctl("stop litestream.service")
machine.succeed(
"rm -f /var/lib/grafana/data/grafana.db "
"/var/lib/grafana/data/grafana.db-shm "
"/var/lib/grafana/data/grafana.db-wal"
)
machine.succeed(
"litestream restore /var/lib/grafana/data/grafana.db "
"&& chown grafana:grafana /var/lib/grafana/data/grafana.db "
"&& chmod 660 /var/lib/grafana/data/grafana.db"
)
machine.systemctl("restart grafana.service")
machine.wait_for_open_port(3000)
machine.succeed(
"curl -sSfN -u admin:newpass http://127.0.0.1:3000/api/org/users | grep admin\@localhost"
)
'';
})