static boolean shouldInitialize() { // GRZE:WARNING:HACKHACKHACK do not duplicate pls thanks.
for (final Host h : Hosts.listActiveDatabases()) {
final String url =
String.format(
"jdbc:%s",
ServiceUris.remote(Database.class, h.getBindAddress(), "eucalyptus_config"));
try {
final Connection conn =
DriverManager.getConnection(url, Databases.getUserName(), Databases.getPassword());
try {
final PreparedStatement statement =
conn.prepareStatement(
"select config_component_hostname from config_component_base where config_component_partition='eucalyptus';");
final ResultSet result = statement.executeQuery();
while (result.next()) {
final Object columnValue = result.getObject(1);
if (Internets.testLocal(columnValue.toString())) {
return true;
}
}
} finally {
conn.close();
}
} catch (final Exception ex) {
LOG.error(ex, ex);
}
}
return false;
}
private static void resetDatabaseWeights(final String contextName) {
for (final Host host : Hosts.listActiveDatabases())
try {
lookupDatabase(contextName, host.getDisplayName())
.setweight(
Hosts.isCoordinator(host) ? DATABASE_WEIGHT_PRIMARY : DATABASE_WEIGHT_SECONDARY);
} catch (NoSuchElementException e) {
// Weight will be set on activation
} catch (Exception e) {
LOG.error(
"Error resetting weight for host " + host.getDisplayName() + " context " + contextName,
e);
}
}
/** List all known databases. */
static Set<String> listDatabases() {
final Set<String> dbNames = Sets.newHashSet();
final Predicate<String> dbNamePredicate =
Predicates.or(Strings.startsWith("eucalyptus_"), Predicates.equalTo("database_events"));
for (final Host h : Hosts.listActiveDatabases()) {
Iterables.addAll(
dbNames,
Iterables.filter(
Databases.getBootstrapper().listDatabases(h.getBindAddress()), dbNamePredicate));
}
return dbNames;
}
