package com.cloudera.flume.master;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.cloudera.flume.agent.LogicalNode;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.FlumeBuilder;
import com.cloudera.flume.conf.FlumeConfiguration;
import com.cloudera.flume.conf.FlumeSpecException;
import com.cloudera.flume.conf.FlumeSpecGen;
import com.cloudera.flume.conf.FlumeConfigData;
import com.google.common.base.Preconditions;
static final Logger LOG = LoggerFactory.getLogger(MultiConfigCommand.class);
String specification;
return specification;
}
this.specification = specification;
}
return new Command("multiconfig", specification);
}
return new Execable() {
@Override
public void exec(String[] argv)
throws IOException {
Preconditions.checkArgument(argv.length == 1);
FlumeMaster master = FlumeMaster.getInstance();
boolean needsRefresh = false;
try {
List<FlumeNodeSpec> cfgs = FlumeSpecGen.generate(argv[0]);
for (FlumeNodeSpec spec : cfgs) {
FlumeBuilder.buildSource(spec.src);
FlumeBuilder.buildSink(new Context(), spec.sink);
}
ConfigurationManager specman = master.getSpecMan();
Map<String, FlumeConfigData> configs = new HashMap<String, FlumeConfigData>();
for (FlumeNodeSpec spec : cfgs) {
configs.put(spec.node, new FlumeConfigData(0, spec.src, spec.sink,
LogicalNode.VERSION_INFIMUM, LogicalNode.VERSION_INFIMUM,
FlumeConfiguration.get().getDefaultFlowName()));
if (spec.src.contains("collectorSource")) {
needsRefresh = true;
}
}
specman.setBulkConfig(configs);
if (needsRefresh) {
specman.refreshAll();
}
} catch (FlumeSpecException e) {
LOG.error("Invalid Flume specification", e);
throw new IOException(e);
}
}
};
}
}