/**
* Called by MetricsRecordImpl.update(). Creates or updates a row in the internal table of metric
* data.
*/
protected void update(MetricsRecord record) {
String recordName = record.getRecordName();
TagMap tagTable = record.getTagTable();
Map<String, MetricValue> metricUpdates = record.getMetricTable();
RecordMap recordMap = getRecordMap(recordName);
synchronized (recordMap) {
MetricMap metricMap = recordMap.get(tagTable);
if (metricMap == null) {
metricMap = new MetricMap();
TagMap tagMap = new TagMap(tagTable); // clone tags
recordMap.put(tagMap, metricMap);
}
for (String metricName : metricUpdates.keySet()) {
MetricValue updateValue = metricUpdates.get(metricName);
Number updateNumber = updateValue.getNumber();
Number currentNumber = metricMap.get(metricName);
if (currentNumber == null || updateValue.isAbsolute()) {
metricMap.put(metricName, updateNumber);
} else {
Number newNumber = sum(updateNumber, currentNumber);
metricMap.put(metricName, newNumber);
}
}
}
}
/**
* This gathers more information about a host than is available by querying the host list table
* directly.
*
* @param host The host to populate with more information
* @param items The data items to enrich the host with
* @return The host object with more information attached.
*/
private Host fullyDescribeHost(Host host, Collection<MetricValue> items) {
for (MetricValue item : items) {
if (item.getKey().equals(MEMORY_TOTAL_KPI_NAME)) { // Convert to Mb
// Original value given in bytes. 1024 * 1024 = 1048576
host.setRamMb((int) (item.getValue() / 1048576));
}
if (item.getKey().equals(DISK_TOTAL_KPI_NAME)) { // Convert to Mb
// Original value given in bytes. 1024 * 1024 * 1024 = 1073741824
host.setDiskGb((item.getValue() / 1073741824));
}
}
return host;
}
/**
* This gathers more information about a vm than is available by querying the host list table
* directly.
*
* @param vm The vm to populate with more information
* @param items The data for a given vm.
* @return The vm object with more information attached.
*/
private VmDeployed fullyDescribeVM(VmDeployed vm, Collection<MetricValue> items) {
for (MetricValue item : items) {
if (item.getKey().equals(MEMORY_TOTAL_KPI_NAME)) { // Convert to Mb
// Original value given in bytes. 1024 * 1024 = 1048576
vm.setRamMb((int) (Double.valueOf(item.getValue()) / 1048576));
}
if (item.getKey().equals(DISK_TOTAL_KPI_NAME)) { // covert to Gb
// Original value given in bytes. 1024 * 1024 * 1024 = 1073741824
vm.setDiskGb((Double.valueOf(item.getValue()) / 1073741824));
}
if (item.getKey().equals(BOOT_TIME_KPI_NAME)) {
Calendar cal = new GregorianCalendar();
// This converts from milliseconds into the correct time value
cal.setTimeInMillis(TimeUnit.SECONDS.toMillis(Long.valueOf(item.getValueAsString())));
vm.setCreated(cal);
}
if (item.getKey().equals(VM_PHYSICAL_HOST_NAME)) {
vm.setAllocatedTo(getHostByName(item.getValueAsString()));
}
if (item.getKey().equals(CPU_COUNT_KPI_NAME)) {
vm.setCpus(Integer.valueOf(item.getValueAsString()));
}
// TODO set the information correctly below!
vm.setIpAddress("127.0.0.1");
vm.setState("Work in Progress");
}
// A fall back incase the information is not available!
if (vm.getCpus() == 0) {
vm.setCpus(Integer.valueOf(1));
}
return vm;
}