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package com.yahoo.vespa.hosted.node.verification.spec;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.yahoo.vespa.hosted.node.verification.commons.CommandExecutor;
import com.yahoo.vespa.hosted.node.verification.commons.HostURLGenerator;
import com.yahoo.vespa.hosted.node.verification.commons.ReportSender;
import com.yahoo.vespa.hosted.node.verification.commons.noderepo.IPAddressVerifier;
import com.yahoo.vespa.hosted.node.verification.commons.noderepo.NodeJsonConverter;
import com.yahoo.vespa.hosted.node.verification.commons.noderepo.NodeRepoInfoRetriever;
import com.yahoo.vespa.hosted.node.verification.commons.noderepo.NodeRepoJsonModel;
import com.yahoo.vespa.hosted.node.verification.commons.report.SpecVerificationReport;
import com.yahoo.vespa.hosted.node.verification.spec.retrievers.HardwareInfo;
import com.yahoo.vespa.hosted.node.verification.spec.retrievers.HardwareInfoRetriever;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Created by olaa on 14/07/2017.
* Creates two HardwareInfo objects, one with spec from node repository and one from spec retrieved at the node.
* Compares the objects and returns the result.
*/
public class SpecVerifier {
private static final Logger logger = Logger.getLogger(SpecVerifier.class.getName());
private static final String VIRTUAL_ENVIRONMENT = "VIRTUAL_MACHINE";
public static boolean verifySpec(CommandExecutor commandExecutor, ArrayList<URL> nodeInfoUrls) throws IOException {
NodeRepoJsonModel nodeRepoJsonModel = getNodeRepositoryJSON(nodeInfoUrls);
if (nodeRepoJsonModel.getEnvironment().equals(VIRTUAL_ENVIRONMENT)) {
logger.log(Level.INFO, "Node is virtual machine - No need for verification");
return true;
}
VerifierSettings verifierSettings = new VerifierSettings(nodeRepoJsonModel);
HardwareInfo actualHardware = HardwareInfoRetriever.retrieve(commandExecutor, verifierSettings);
SpecVerificationReport specVerificationReport = makeVerificationReport(actualHardware, nodeRepoJsonModel);
if (!isValidSpec(specVerificationReport)) {
ReportSender.reportSpecVerificationResults(specVerificationReport, nodeInfoUrls);
}
return isValidSpec(specVerificationReport);
}
private static boolean isValidSpec(SpecVerificationReport specVerificationReport) throws JsonProcessingException {
ObjectMapper om = new ObjectMapper();
return om.writeValueAsString(specVerificationReport).length() == 2;
}
protected static SpecVerificationReport makeVerificationReport(HardwareInfo actualHardware, NodeRepoJsonModel nodeRepoJsonModel) {
SpecVerificationReport specVerificationReport = HardwareNodeComparator.compare(NodeJsonConverter.convertJsonModelToHardwareInfo(nodeRepoJsonModel), actualHardware);
IPAddressVerifier ipAddressVerifier = new IPAddressVerifier();
ipAddressVerifier.reportFaultyIpAddresses(nodeRepoJsonModel, specVerificationReport);
return specVerificationReport;
}
protected static NodeRepoJsonModel getNodeRepositoryJSON(ArrayList<URL> nodeInfoUrls) throws IOException {
NodeRepoJsonModel nodeRepoJsonModel = NodeRepoInfoRetriever.retrieve(nodeInfoUrls);
return nodeRepoJsonModel;
}
public static void main(String[] args) throws IOException {
CommandExecutor commandExecutor = new CommandExecutor();
ArrayList<URL> nodeInfoUrls;
if (args.length == 0) {
nodeInfoUrls = HostURLGenerator.generateNodeInfoUrl(commandExecutor);
} else {
nodeInfoUrls = HostURLGenerator.generateNodeInfoUrl(commandExecutor, args[0]);
}
if (!SpecVerifier.verifySpec(commandExecutor, nodeInfoUrls)) {
System.exit(2);
}
}
}
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