package com.elastic.support.diagnostics.commands;
import com.elastic.support.diagnostics.chain.Command;
import com.elastic.support.diagnostics.chain.DiagnosticContext;
import com.elastic.support.util.SystemProperties;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import oshi.hardware.CentralProcessor.TickType;
import oshi.json.SystemInfo;
import oshi.json.hardware.*;
import oshi.json.software.os.FileSystem;
import oshi.json.software.os.*;
import oshi.software.os.OperatingSystem.ProcessSort;
import oshi.util.FormatUtil;
import oshi.util.Util;
import java.io.*;
import java.util.Arrays;
import java.util.List;
public class RetrieveSystemDigest implements Command {
/**
* Calls the OSHI librries to get system specific digest ouput in
* JSON format.
*/
private final Logger logger = LogManager.getLogger(RetrieveSystemDigest.class);
public void execute(DiagnosticContext context) {
try {
SystemInfo si = new SystemInfo();
HardwareAbstractionLayer hal = si.getHardware();
OperatingSystem os = si.getOperatingSystem();
File sysFileJson = new File(context.tempDir + SystemProperties.fileSeparator + "system-digest.json");
OutputStream outputStreamJson = new FileOutputStream(sysFileJson);
BufferedWriter jsonWriter = new BufferedWriter(new OutputStreamWriter(outputStreamJson));
String jsonInfo = si.toPrettyJSON();
jsonWriter.write(jsonInfo);
jsonWriter.close();
File sysFile = new File(context.tempDir + SystemProperties.fileSeparator + "system-digest.txt");
OutputStream outputStream = new FileOutputStream(sysFile);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream));
printComputerSystem(writer, hal.getComputerSystem());
writer.newLine();
printProcessor(writer, hal.getProcessor());
writer.newLine();
printMemory(writer, hal.getMemory());
writer.newLine();
printCpu(writer, hal.getProcessor());
writer.newLine();
printProcesses(writer, os, hal.getMemory());
writer.newLine();
printDisks(writer, hal.getDiskStores());
writer.newLine();
printFileSystem(writer, os.getFileSystem());
writer.newLine();
printNetworkInterfaces(writer, hal.getNetworkIFs());
writer.newLine();
printNetworkParameters(writer, os.getNetworkParams());
writer.newLine();
writer.close();
logger.info("Finished querying SysInfo.");
} catch (final Exception e) {
logger.info("Failed saving system-digest.txt file.", e);
}
}
private static void printComputerSystem(BufferedWriter writer, final ComputerSystem computerSystem) throws Exception {
writer.write("Computer System");
writer.newLine();
writer.write("----------------");
writer.newLine();
writer.write("manufacturer: " + computerSystem.getManufacturer());
writer.newLine();
writer.write("model: " + computerSystem.getModel());
writer.newLine();
writer.write("serialnumber: " + computerSystem.getSerialNumber());
writer.newLine();
final Firmware firmware = computerSystem.getFirmware();
writer.write("firmware:");
writer.newLine();
writer.write(" manufacturer: " + firmware.getManufacturer());
writer.newLine();
writer.write(" name: " + firmware.getName());
writer.newLine();
writer.write(" description: " + firmware.getDescription());
writer.newLine();
writer.write(" version: " + firmware.getVersion());
writer.newLine();
writer.write(" release date: " + (firmware.getReleaseDate() == null ? "unknown"
: firmware.getReleaseDate() == null ? "unknown" : firmware.getReleaseDate()));
writer.newLine();
final Baseboard baseboard = computerSystem.getBaseboard();
writer.write("baseboard:");
writer.newLine();
writer.write(" manufacturer: " + baseboard.getManufacturer());
writer.write(" model: " + baseboard.getModel());
writer.newLine();
writer.write(" version: " + baseboard.getVersion());
writer.newLine();
writer.write(" serialnumber: " + baseboard.getSerialNumber());
writer.newLine();
}
private static void printProcessor(BufferedWriter writer, CentralProcessor processor) throws Exception {
writer.write("Processors");
writer.newLine();
writer.write("----------");
writer.newLine();
writer.write(" " + processor.getPhysicalPackageCount() + " physical CPU package(s)");
writer.newLine();
writer.write(" " + processor.getPhysicalProcessorCount() + " physical CPU core(s)");
writer.newLine();
writer.write(" " + processor.getLogicalProcessorCount() + " logical CPU(s)");
writer.newLine();
writer.write("Identifier: " + processor.getIdentifier());
writer.newLine();
writer.write("ProcessorID: " + processor.getProcessorID());
writer.newLine();
}
private static void printProcesses(BufferedWriter writer, OperatingSystem os, GlobalMemory memory) throws Exception {
writer.write("Processes");
writer.newLine();
writer.write("----------");
writer.newLine();
writer.write("Processes: " + os.getProcessCount() + ", Threads: " + os.getThreadCount());
writer.newLine();
// Sort by highest CPU
List<OSProcess> procs = Arrays.asList(os.getProcesses(os.getProcessCount(), ProcessSort.CPU));
int sz = procs.size();
writer.write("PID %CPU %MEM VSZ RSS Name");
for (int i = 0; i < sz; i++) {
OSProcess p = procs.get(i);
writer.write(String.format(" %5d %5.1f %4.1f %9s %9s %s%n", p.getProcessID(),
100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(),
100d * p.getResidentSetSize() / memory.getTotal(), FormatUtil.formatBytes(p.getVirtualSize()),
FormatUtil.formatBytes(p.getResidentSetSize()), p.getName()));
}
}
private static void printMemory(BufferedWriter writer, GlobalMemory memory) throws Exception {
writer.write("Memory");
writer.newLine();
writer.write("-------");
writer.newLine();
writer.write("Memory: " + FormatUtil.formatBytes(memory.getAvailable()) + "/"
+ FormatUtil.formatBytes(memory.getTotal()));
writer.newLine();
writer.write("Swap used: " + FormatUtil.formatBytes(memory.getSwapUsed()) + "/"
+ FormatUtil.formatBytes(memory.getSwapTotal()));
writer.newLine();
}
private static void printCpu(BufferedWriter writer, CentralProcessor processor) throws Exception {
writer.write("CPU");
writer.newLine();
writer.write("---");
writer.newLine();
writer.write("Uptime: " + FormatUtil.formatElapsedSecs(processor.getSystemUptime()));
writer.newLine();
writer.write(
"Context Switches/Interrupts: " + processor.getContextSwitches() + " / " + processor.getInterrupts());
writer.newLine();
long[] prevTicks = processor.getSystemCpuLoadTicks();
writer.write("CPU, IOWait, and IRQ ticks @ 0 sec:" + Arrays.toString(prevTicks));
writer.newLine();
// Wait a second...
Util.sleep(1000);
long[] ticks = processor.getSystemCpuLoadTicks();
writer.write("CPU, IOWait, and IRQ ticks @ 1 sec:" + Arrays.toString(ticks));
writer.newLine();
long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
long sys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;
writer.write(String.format(
"User: %.1f%% Nice: %.1f%% System: %.1f%% Idle: %.1f%% IOwait: %.1f%% IRQ: %.1f%% SoftIRQ: %.1f%% Steal: %.1f%%%n",
100d * user / totalCpu, 100d * nice / totalCpu, 100d * sys / totalCpu, 100d * idle / totalCpu,
100d * iowait / totalCpu, 100d * irq / totalCpu, 100d * softirq / totalCpu, 100d * steal / totalCpu));
writer.newLine();
writer.write(String.format("CPU load: %.1f%% (counting ticks)%n", processor.getSystemCpuLoadBetweenTicks() * 100));
writer.write(String.format("CPU load: %.1f%% (OS MXBean)%n", processor.getSystemCpuLoad() * 100));
double[] loadAverage = processor.getSystemLoadAverage(3);
writer.write("CPU load averages:" + (loadAverage[0] < 0 ? " N/A" : String.format(" %.2f", loadAverage[0]))
+ (loadAverage[1] < 0 ? " N/A" : String.format(" %.2f", loadAverage[1]))
+ (loadAverage[2] < 0 ? " N/A" : String.format(" %.2f", loadAverage[2])));
// per core CPU
StringBuilder procCpu = new StringBuilder("CPU load per processor:");
double[] load = processor.getProcessorCpuLoadBetweenTicks();
for (double avg : load) {
procCpu.append(String.format(" %.1f%%", avg * 100));
}
writer.write(procCpu.toString());
writer.newLine();
}
private static void printDisks(BufferedWriter writer, HWDiskStore[] diskStores) throws Exception {
writer.write("Disks");
writer.newLine();
writer.write("-----");
writer.newLine();
for (HWDiskStore disk : diskStores) {
boolean readwrite = disk.getReads() > 0 || disk.getWrites() > 0;
writer.write(String.format(" %s: (model: %s - S/N: %s) size: %s, reads: %s (%s), writes: %s (%s), xfer: %s ms%n",
disk.getName(), disk.getModel(), disk.getSerial(),
disk.getSize() > 0 ? FormatUtil.formatBytesDecimal(disk.getSize()) : "?",
readwrite ? disk.getReads() : "?", readwrite ? FormatUtil.formatBytes(disk.getReadBytes()) : "?",
readwrite ? disk.getWrites() : "?", readwrite ? FormatUtil.formatBytes(disk.getWriteBytes()) : "?",
readwrite ? disk.getTransferTime() : "?"));
HWPartition[] partitions = disk.getPartitions();
if (partitions == null) {
continue;
}
for (HWPartition part : partitions) {
writer.write(String.format(" |-- %s: %s (%s) Maj:Min=%d:%d, size: %s%s%n", part.getIdentification(),
part.getName(), part.getType(), part.getMajor(), part.getMinor(),
FormatUtil.formatBytesDecimal(part.getSize()),
part.getMountPoint().isEmpty() ? "" : " @ " + part.getMountPoint()));
}
}
}
private static void printFileSystem(BufferedWriter writer, FileSystem fileSystem) throws Exception {
writer.write("File System");
writer.newLine();
writer.write("-------------");
writer.newLine();
writer.write(String.format(" File Descriptors: %d/%d%n", fileSystem.getOpenFileDescriptors(),
fileSystem.getMaxFileDescriptors()));
OSFileStore[] fsArray = fileSystem.getFileStores();
for (OSFileStore fs : fsArray) {
long usable = fs.getUsableSpace();
long total = fs.getTotalSpace();
writer.write(String.format(" %s (%s) [%s] %s of %s free (%.1f%%) is %s and is mounted at %s%n", fs.getName(),
fs.getDescription().isEmpty() ? "file system" : fs.getDescription(), fs.getType(),
FormatUtil.formatBytes(usable), FormatUtil.formatBytes(fs.getTotalSpace()), 100d * usable / total,
fs.getVolume(), fs.getMount()));
}
}
private static void printNetworkParameters(BufferedWriter writer, NetworkParams networkParams) throws Exception {
writer.write("Network Parameters");
writer.newLine();
writer.write("----------------");
writer.newLine();
writer.write(String.format(" Host name: %s%n", networkParams.getHostName()));
writer.write(String.format(" Domain name: %s%n", networkParams.getDomainName()));
writer.write(String.format(" DNS servers: %s%n", Arrays.toString(networkParams.getDnsServers())));
writer.write(String.format(" IPv4 Gateway: %s%n", networkParams.getIpv4DefaultGateway()));
writer.write(String.format(" IPv6 Gateway: %s%n", networkParams.getIpv6DefaultGateway()));
}
private static void printNetworkInterfaces(BufferedWriter writer, NetworkIF[] networkIFs) throws Exception {
writer.write("Network interfaces");
writer.newLine();
writer.write("----------------");
writer.newLine();
for (NetworkIF net : networkIFs) {
writer.write(String.format(" Name: %s (%s)%n", net.getName(), net.getDisplayName()));
writer.write(String.format(" MAC Address: %s %n", net.getMacaddr()));
writer.write(String.format(" MTU: %s, Speed: %s %n", net.getMTU(), FormatUtil.formatValue(net.getSpeed(), "bps")));
writer.write(String.format(" IPv4: %s %n", Arrays.toString(net.getIPv4addr())));
writer.write(String.format(" IPv6: %s %n", Arrays.toString(net.getIPv6addr())));
boolean hasData = net.getBytesRecv() > 0 || net.getBytesSent() > 0 || net.getPacketsRecv() > 0
|| net.getPacketsSent() > 0;
writer.write(String.format(" Traffic: received %s/%s%s; transmitted %s/%s%s %n",
hasData ? net.getPacketsRecv() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesRecv()) : "?",
hasData ? " (" + net.getInErrors() + " err)" : "",
hasData ? net.getPacketsSent() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesSent()) : "?",
hasData ? " (" + net.getOutErrors() + " err)" : ""));
}
}
}
