in alloydb-jdbc-connector/src/main/java/com/google/cloud/alloydb/Refresher.java [178:191]
void refreshIfExpired() {
ConnectionInfo info = getConnectionInfo(DEFAULT_CONNECT_TIMEOUT_MS);
logger.debug(
String.format(
"[%s] Now = %s, Current client certificate expiration = %s",
name, Instant.now().toString(), info.getExpiration()));
if (Instant.now().isAfter(info.getExpiration())) {
logger.debug(
String.format(
"[%s] Client certificate has expired. Starting next refresh operation immediately.",
name));
forceRefresh();
}
}