public Input.IoStats getGlobalInputIo(Input input) {
final Input.IoStats ioStats = new Input.IoStats();
final String inputId = input.getId();
final String type = input.getType();
try {
MultiMetricRequest request = new MultiMetricRequest();
final String read_bytes = qualifiedIOMetricName(type, inputId, "read_bytes", false);
final String read_bytes_total = qualifiedIOMetricName(type, inputId, "read_bytes", true);
final String written_bytes = qualifiedIOMetricName(type, inputId, "written_bytes", false);
final String written_bytes_total =
qualifiedIOMetricName(type, inputId, "written_bytes", true);
request.metrics =
new String[] {read_bytes, read_bytes_total, written_bytes, written_bytes_total};
final Map<Node, MetricsListResponse> results =
api.path(routes.MetricsResource().multipleMetrics(), MetricsListResponse.class)
.body(request)
.expect(200, 404)
.executeOnAll();
for (MetricsListResponse response : results.values()) {
final Map<String, Metric> metrics = response.getMetrics();
ioStats.readBytes += asLong(read_bytes, metrics);
ioStats.readBytesTotal += asLong(read_bytes_total, metrics);
ioStats.writtenBytes += asLong(written_bytes, metrics);
ioStats.writtenBytesTotal += asLong(written_bytes_total, metrics);
}
for (Radio radio : nodeService.radios().values()) {
try {
final MetricsListResponse radioResponse =
api.path(
routes.radio().MetricsResource().multipleMetrics(), MetricsListResponse.class)
.body(request)
.radio(radio)
.expect(200, 404)
.execute();
final Map<String, Metric> metrics = radioResponse.getMetrics();
ioStats.readBytes += asLong(read_bytes, metrics);
ioStats.readBytesTotal += asLong(read_bytes_total, metrics);
ioStats.writtenBytes += asLong(written_bytes, metrics);
ioStats.writtenBytesTotal += asLong(written_bytes_total, metrics);
} catch (APIException | IOException e) {
LOG.error("Unable to load metrics for radio node {}", radio.getId());
}
}
} catch (APIException | IOException e) {
LOG.error("Unable to load master node", e);
}
return ioStats;
}
public Map<String, Metric> getMetrics(String namespace) throws APIException, IOException {
MetricsListResponse response =
api.path(routes.MetricsResource().byNamespace(namespace), MetricsListResponse.class)
.node(this)
.expect(200)
.execute();
if (response == null) {
return Collections.emptyMap();
}
return response.getMetrics();
}