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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.maintenance.servicedump;
import com.yahoo.vespa.hosted.node.admin.container.ContainerOperations;
import com.yahoo.vespa.hosted.node.admin.nodeagent.NodeAgentContext;
import com.yahoo.vespa.hosted.node.admin.task.util.fs.ContainerPath;
import com.yahoo.vespa.hosted.node.admin.task.util.process.CommandResult;
import java.io.IOException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
/**
* @author bjorncs
*/
abstract class AbstractProducer implements ArtifactProducer {
private final Logger log = Logger.getLogger(getClass().getName());
private final ContainerOperations container;
protected AbstractProducer(ContainerOperations container) { this.container = container; }
protected ContainerOperations container() { return container; }
protected CommandResult executeCommand(NodeAgentContext ctx, List<String> command, boolean logOutput) throws IOException {
CommandResult result = container.executeCommandInContainerAsRoot(ctx, command.toArray(new String[0]));
String cmdString = command.stream().map(s -> "'" + s + "'").collect(Collectors.joining(" ", "\"", "\""));
int exitCode = result.getExitCode();
String output = result.getOutput().trim();
String prefixedOutput = output.contains("\n")
? "\n" + output
: (output.isEmpty() ? "<no output>" : output);
if (exitCode > 0) {
String errorMsg = logOutput
? String.format("Failed to execute %s (exited with code %d): %s", cmdString, exitCode, prefixedOutput)
: String.format("Failed to execute %s (exited with code %d)", cmdString, exitCode);
throw new IOException(errorMsg);
} else {
String logMsg = logOutput
? String.format("Executed command %s. Exited with code %d and output: %s", cmdString, exitCode, prefixedOutput)
: String.format("Executed command %s. Exited with code %d.", cmdString, exitCode);
ctx.log(log, logMsg);
}
return result;
}
protected int findVespaServicePid(NodeAgentContext ctx, String configId) throws IOException {
ContainerPath findPidBinary = ctx.paths().underVespaHome("libexec/vespa/find-pid");
CommandResult findPidResult = executeCommand(ctx, List.of(findPidBinary.pathInContainer(), configId), true);
return Integer.parseInt(findPidResult.getOutput());
}
protected double duration(NodeAgentContext ctx, ServiceDumpReport.DumpOptions options, double defaultValue) {
double duration = options != null && options.duration() != null && options.duration() > 0
? options.duration() : defaultValue;
double maxDuration = 300;
if (duration > maxDuration) {
ctx.log(log, Level.WARNING,
String.format("Specified duration %.3fs longer than max allowed (%.3fs)", duration, maxDuration));
return maxDuration;
}
return duration;
}
}
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