@Override
protected void runOneIteration() {
log.debug("Reaping agents");
final List<String> agents = masterModel.listHosts();
for (final String agent : agents) {
try {
final HostStatus hostStatus = masterModel.getHostStatus(agent);
if (hostStatus == null || hostStatus.getStatus() != HostStatus.Status.DOWN) {
// Host not found or host not DOWN -- nothing to do, move on to the next host
continue;
}
final AgentInfo agentInfo = hostStatus.getAgentInfo();
if (agentInfo == null) {
continue;
}
final long downSince = agentInfo.getStartTime() + agentInfo.getUptime();
final long downDurationMillis = clock.now().getMillis() - downSince;
if (downDurationMillis >= timeoutMillis) {
try {
log.info(
"Reaping dead agent '{}' (DOWN for {} hours)",
agent,
DurationFormatUtils.formatDurationHMS(downDurationMillis));
masterModel.deregisterHost(agent);
} catch (Exception e) {
log.warn("Failed to reap agent '{}'", agent, e);
}
}
} catch (Exception e) {
log.warn("Failed to determine if agent '{}' should be reaped", agent, e);
}
}
}
