exec('DROP TABLE IF EXISTS "machines"');
$db -> exec('DROP TABLE IF EXISTS "keys"');
$db -> exec('DROP TABLE IF EXISTS "permissions"');
$db -> exec('DROP TABLE IF EXISTS "states"');
$db -> exec('DROP TABLE IF EXISTS "values"');
$db -> exec('CREATE TABLE "machines" (id integer primary key AUTOINCREMENT, name varchar(32) not null unique, last_update TIMESTAMP default CURRENT_TIMESTAMP);');
$db -> exec('CREATE TABLE "keys" (id integer primary key AUTOINCREMENT, key varchar(128) not null unique, comment varchar(128) not null);');
$db -> exec('CREATE TABLE "states" (id integer primary key AUTOINCREMENT, name varchar(32) not null unique)');
$db -> exec('CREATE TABLE "permissions" (key_id integer not null, value_id integer not null)');
$db -> exec('CREATE TABLE "values" (id integer primary key AUTOINCREMENT, machine_id integer not null, state_id integer not null, value integer)');
$stm = $db -> prepare('INSERT INTO states (name) VALUES (:state)');
if (! $stm)
die();
foreach (array('running', 'ping', 'power') as $state) {
$stm -> bindValue('state', $state);
if (! $stm -> execute())
die();
}
echo 'ok' . "\n";
die();
}
if (array_key_exists('machine',$_GET)) {
$db -> add_machine($_GET['machine']);
if (array_key_exists('new_key', $_GET) && array_key_exists('comment', $_GET))
$db -> add_key_for($_GET['machine'], $_GET['new_key'], $_GET['comment']);
$stm = $db -> prepare(
'SELECT states.name, keys.key, keys.comment FROM machines' .
' JOIN "values" ON "values".machine_id = machines.id' .
' JOIN permissions ON permissions.value_id = "values".id' .
' JOIN states ON "values".state_id = states.id' .
' JOIN keys ON permissions.key_id = keys.id' .
' WHERE machines.name=:machine');
$stm -> bindValue('machine', $_GET['machine']);
$result = $stm -> execute();
while ($row = $result -> fetchArray()) {
echo 'permission = "' . $row['name'] . '", key = "' . $row['key'] . '", comment = "' . $row['comment'] . '"
' . "\n";
}
echo '?machine=' . $_GET['machine'] . '&new_key=running&comment=comment' . "\n";
die();
}
if (array_key_exists('ddns_machines', $_GET)) {
$ddns_tokens = file('/srv/http/vhosts/eckner.net/ddns/tokens');
foreach ($ddns_tokens as $ddns_token) {
$db -> add_machine(explode(' ', trim($ddns_token), 2)[1]);
}
echo 'done.' . "\n";
die();
}
if (array_key_exists('lights_out_machines', $_GET)) {
$result = $db -> query(
'SELECT machines.name AS machine FROM machines' .
' WHERE machines.name LIKE ' . "'" . '%-lo' . "'"
);
$power_id = $db -> get_state_id('power');
$ping_id = $db -> get_state_id('ping');
while ($row = $result -> fetchArray()) {
unset($machine_id);
foreach ($db -> get_machines() as $machine) {
if ($machine['machine'] == substr($row['machine'],0,-3)) {
$machine_id = $machine['machine_id'];
break;
}
}
if (!isset($machine_id))
foreach ($db -> get_machines() as $machine) {
if ($machine['machine'] == substr($row['machine'],0,strlen($machine['machine']))) {
$machine_id = $machine['machine_id'];
break;
}
}
$db -> add_key_for($machine_id, $power_id, 'lights-out');
$db -> add_key_for($machine_id, $ping_id, 'lights-out');
}
echo 'done.' . "\n";
die();
}
if (array_key_exists('ddns', $_GET)) {
$result = $db -> query(
'SELECT keys.id FROM keys' .
' WHERE keys.comment = ' . "'" . 'ddns' . "'"
);
$row = $result -> fetchArray();
if (! $row)
$key_id = $db -> add_key('ddns');
else
$key_id = $row['id'];
$stm = $db -> prepare('INSERT INTO permissions (key_id, value_id) VALUES (:key_id, :value_id)');
$stm -> bindValue('key_id', $key_id);
$getstm = $db -> prepare(
'SELECT "values".id as value_id FROM "values"' .
' JOIN states ON states.id = "values".state_id' .
' WHERE states.name = :state' .
' AND NOT EXISTS (' .
'SELECT 1 FROM permissions' .
' WHERE permissions.value_id = "values".id' .
' AND permissions.key_id = :key_id' .
')'
);
$getstm -> bindValue('state', 'running');
$getstm -> bindValue('key_id', $key_id);
$result = $getstm -> execute();
while ($row = $result -> fetchArray()) {
$stm -> bindValue('value_id', $row['value_id']);
$stm -> execute();
}
$getstm -> close();
$stm -> close();
$stm = $db -> prepare('SELECT keys.key from keys WHERE keys.id = :key_id');
$stm -> bindValue('key_id', $key_id);
$result = $stm -> execute();
$result = $result -> fetchArray();
echo $result['key'] . "\n";
$stm -> close();
die();
}
?>
Query machines
query('SELECT machines.name AS machine FROM machines');
while ($row = $result -> fetchArray()) {
echo '' . $row['machine'] . '
' . "\n";
}
?>
Global Tasks
initialize machines from ddns tokens
ddns
initialize keys for lights-out machines
Danger zone
drop