private static void updateDataSources(String rrdPath, Sampleable[] sampleables)
throws IOException {
for (Sampleable sampleable : sampleables) {
LOG.warn("Updating RRDB structure, adding: " + sampleable.getName());
RrdToolkit.addDatasource(rrdPath, createDsDef(sampleable), true);
}
}
private static Sampleable[] checkDataSources(String rrdPath, Sampleable[] sampleables)
throws IOException {
RrdDb rrdDb = new RrdDb(rrdPath, true);
List<Sampleable> missing = new ArrayList<Sampleable>();
for (Sampleable sampleable : sampleables) {
if (rrdDb.getDatasource(sampleable.getName()) == null) {
missing.add(sampleable);
}
}
rrdDb.close();
return missing.toArray(new Sampleable[missing.size()]);
}
private static DsDef createDsDef(Sampleable sampleable) {
return new DsDef(sampleable.getName(), sampleable.getType(), 120 * STEP_SIZE, NaN, NaN);
}