private Answer execute(CheckHealthCommand cmd) {
return new CheckHealthAnswer(cmd, true);
}
private Answer execute(GetHostStatsCommand cmd) {
final Script cpuScript = new Script("/bin/bash", s_logger);
cpuScript.add("-c");
cpuScript
.add("idle=$(top -b -n 1|grep Cpu\\(s\\):|cut -d% -f4|cut -d, -f2);echo $idle");
final OutputInterpreter.OneLineParser parser = new OutputInterpreter.OneLineParser();
String result = cpuScript.execute(parser);
if (result != null) {
s_logger.debug("Unable to get the host CPU state: " + result);
return new Answer(cmd, false, result);
}
double cpuUtil = (100.0D - Double.parseDouble(parser.getLine()));
long freeMem = 0;
final Script memScript = new Script("/bin/bash", s_logger);
memScript.add("-c");
memScript
.add("freeMem=$(free|grep cache:|awk '{print $4}');echo $freeMem");
final OutputInterpreter.OneLineParser Memparser = new OutputInterpreter.OneLineParser();
result = memScript.execute(Memparser);
if (result != null) {
s_logger.debug("Unable to get the host Mem state: " + result);
return new Answer(cmd, false, result);
}
freeMem = Long.parseLong(Memparser.getLine());
Script totalMem = new Script("/bin/bash", s_logger);
totalMem.add("-c");
totalMem.add("free|grep Mem:|awk '{print $2}'");
final OutputInterpreter.OneLineParser totMemparser = new OutputInterpreter.OneLineParser();
result = totalMem.execute(totMemparser);
if (result != null) {
s_logger.debug("Unable to get the host Mem state: " + result);
return new Answer(cmd, false, result);
}
long totMem = Long.parseLong(totMemparser.getLine());