Files
qortal/src/main/java/org/qortal/ApplyUpdate.java
AlphaX-Projects 84974775b4 Reduce log spam
2024-01-02 14:17:21 +01:00

239 lines
7.3 KiB
Java

package org.qortal;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.jsse.provider.BouncyCastleJsseProvider;
import org.qortal.api.ApiKey;
import org.qortal.api.ApiRequest;
import org.qortal.controller.AutoUpdate;
import org.qortal.settings.Settings;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.security.Security;
import java.util.*;
import java.util.stream.Collectors;
import static org.qortal.controller.AutoUpdate.AGENTLIB_JVM_HOLDER_ARG;
public class ApplyUpdate {
static {
// This static block will be called before others if using ApplyUpdate.main()
// Log into different files for auto-update - this has to be before LogManger.getLogger() calls
System.setProperty("log4j2.filenameTemplate", "log-apply-update.txt");
// This must go before any calls to LogManager/Logger
System.setProperty("java.util.logging.manager", "org.apache.logging.log4j.jul.LogManager");
}
private static final Logger LOGGER = LogManager.getLogger(ApplyUpdate.class);
private static final String JAR_FILENAME = AutoUpdate.JAR_FILENAME;
private static final String NEW_JAR_FILENAME = AutoUpdate.NEW_JAR_FILENAME;
private static final String WINDOWS_EXE_LAUNCHER = "qortal.exe";
private static final String JAVA_TOOL_OPTIONS_NAME = "JAVA_TOOL_OPTIONS";
private static final String JAVA_TOOL_OPTIONS_VALUE = "";
private static final long CHECK_INTERVAL = 30 * 1000L; // ms
private static final int MAX_ATTEMPTS = 12;
public static void main(String[] args) {
Security.insertProviderAt(new BouncyCastleProvider(), 0);
Security.insertProviderAt(new BouncyCastleJsseProvider(), 1);
// Load/check settings, which potentially sets up blockchain config, etc.
if (args.length > 0)
Settings.fileInstance(args[0]);
else
Settings.getInstance();
LOGGER.info("Applying update...");
// Shutdown node using API
if (!shutdownNode())
return;
// Replace JAR
replaceJar();
// Restart node
restartNode(args);
LOGGER.info("Exiting...");
}
private static boolean shutdownNode() {
String baseUri = "http://localhost:" + Settings.getInstance().getApiPort() + "/";
LOGGER.info(() -> String.format("Shutting down node using API via %s", baseUri));
// The /admin/stop endpoint requires an API key, which may or may not be already generated
boolean apiKeyNewlyGenerated = false;
ApiKey apiKey = null;
try {
apiKey = new ApiKey();
if (!apiKey.generated()) {
apiKey.generate();
apiKeyNewlyGenerated = true;
LOGGER.info("Generated API key");
}
} catch (IOException e) {
LOGGER.info("Error loading API key: {}", e.getMessage());
}
// Create GET params
Map<String, String> params = new HashMap<>();
if (apiKey != null) {
params.put("apiKey", apiKey.toString());
}
// Attempt to stop the node
int attempt;
for (attempt = 0; attempt < MAX_ATTEMPTS; ++attempt) {
final int attemptForLogging = attempt;
LOGGER.info(() -> String.format("Attempt #%d out of %d to shutdown node", attemptForLogging + 1, MAX_ATTEMPTS));
String response = ApiRequest.perform(baseUri + "admin/stop", params);
if (response == null) {
// No response - consider node shut down
if (apiKeyNewlyGenerated) {
// API key was newly generated for this auto update, so we need to remove it
ApplyUpdate.removeGeneratedApiKey();
}
return true;
}
LOGGER.info(() -> String.format("Response from API: %s", response));
try {
Thread.sleep(CHECK_INTERVAL);
} catch (InterruptedException e) {
// We still need to check...
break;
}
}
if (apiKeyNewlyGenerated) {
// API key was newly generated for this auto update, so we need to remove it
ApplyUpdate.removeGeneratedApiKey();
}
if (attempt == MAX_ATTEMPTS) {
LOGGER.error("Failed to shutdown node - giving up");
return false;
}
return true;
}
private static void removeGeneratedApiKey() {
try {
LOGGER.info("Removing newly generated API key...");
// Delete the API key since it was only generated for this auto update
ApiKey apiKey = new ApiKey();
apiKey.delete();
} catch (IOException e) {
LOGGER.error("Error loading or deleting API key: {}", e.getMessage());
}
}
private static void replaceJar() {
// Assuming current working directory contains the JAR files
Path realJar = Paths.get(JAR_FILENAME);
Path newJar = Paths.get(NEW_JAR_FILENAME);
if (!Files.exists(newJar)) {
LOGGER.warn(() -> String.format("Replacement JAR '%s' not found?", newJar));
return;
}
int attempt;
for (attempt = 0; attempt < MAX_ATTEMPTS; ++attempt) {
final int attemptForLogging = attempt;
LOGGER.info(() -> String.format("Attempt #%d out of %d to replace JAR", attemptForLogging + 1, MAX_ATTEMPTS));
try {
Files.copy(newJar, realJar, StandardCopyOption.REPLACE_EXISTING);
break;
} catch (IOException e) {
LOGGER.info(() -> String.format("Unable to replace JAR: %s", e.getMessage()));
// Try again
}
try {
Thread.sleep(CHECK_INTERVAL);
} catch (InterruptedException e) {
LOGGER.warn("Ignoring interrupt...");
// Doggedly retry
}
}
if (attempt == MAX_ATTEMPTS)
LOGGER.error("Failed to replace JAR - giving up");
}
private static void restartNode(String[] args) {
String javaHome = System.getProperty("java.home");
LOGGER.debug(() -> String.format("Java home: %s", javaHome));
Path javaBinary = Paths.get(javaHome, "bin", "java");
LOGGER.debug(() -> String.format("Java binary: %s", javaBinary));
Path exeLauncher = Paths.get(WINDOWS_EXE_LAUNCHER);
LOGGER.debug(() -> String.format("Windows EXE launcher: %s", exeLauncher));
List<String> javaCmd;
if (Files.exists(exeLauncher)) {
javaCmd = Arrays.asList(exeLauncher.toString());
} else {
javaCmd = new ArrayList<>();
// Java runtime binary itself
javaCmd.add(javaBinary.toString());
// JVM arguments
javaCmd.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments());
// Reapply any retained, but disabled, -agentlib JVM arg
javaCmd = javaCmd.stream()
.map(arg -> arg.replace(AGENTLIB_JVM_HOLDER_ARG, "-agentlib"))
.collect(Collectors.toList());
// Call mainClass in JAR
javaCmd.addAll(Arrays.asList("-jar", JAR_FILENAME));
// Add saved command-line args
javaCmd.addAll(Arrays.asList(args));
}
try {
LOGGER.debug(String.format("Restarting node with: %s", String.join(" ", javaCmd)));
ProcessBuilder processBuilder = new ProcessBuilder(javaCmd);
if (Files.exists(exeLauncher)) {
LOGGER.debug(() -> String.format("Setting env %s to %s", JAVA_TOOL_OPTIONS_NAME, JAVA_TOOL_OPTIONS_VALUE));
processBuilder.environment().put(JAVA_TOOL_OPTIONS_NAME, JAVA_TOOL_OPTIONS_VALUE);
}
// New process will inherit our stdout and stderr
processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
Process process = processBuilder.start();
// Nothing to pipe to new process, so close output stream (process's stdin)
process.getOutputStream().close();
} catch (Exception e) {
LOGGER.error(String.format("Failed to restart node (BAD): %s", e.getMessage()));
}
}
}