Examples with BatfishException org.batfish.common.BatfishException used on opensource projects

Example 81 with BatfishException

use of org.batfish.common.BatfishException in project batfish by batfish.

the class Batfish method deserializeEnvironmentBgpTables.

private SortedMap<String, BgpAdvertisementsByVrf> deserializeEnvironmentBgpTables(Path serializeEnvironmentBgpTablesPath) {
    _logger.info("\n*** DESERIALIZING ENVIRONMENT BGP TABLES ***\n");
    _logger.resetTimer();
    Map<Path, String> namesByPath = new TreeMap<>();
    try (DirectoryStream<Path> serializedBgpTables = Files.newDirectoryStream(serializeEnvironmentBgpTablesPath)) {
        for (Path serializedBgpTable : serializedBgpTables) {
            String name = serializedBgpTable.getFileName().toString();
            namesByPath.put(serializedBgpTable, name);
        }
    } catch (IOException e) {
        throw new BatfishException("Error reading serialized BGP tables directory", e);
    }
    SortedMap<String, BgpAdvertisementsByVrf> bgpTables = deserializeObjects(namesByPath, BgpAdvertisementsByVrf.class);
    _logger.printElapsedTime();
    return bgpTables;
}

Example 82 with BatfishException

use of org.batfish.common.BatfishException in project batfish by batfish.

the class Batfish method parseNodeRoles.

private NodeRoleSpecifier parseNodeRoles(Path nodeRolesPath) {
    _logger.infof("Parsing: \"%s\"\n", nodeRolesPath.toAbsolutePath());
    String roleFileText = CommonUtil.readFile(nodeRolesPath);
    NodeRoleSpecifier specifier;
    try {
        specifier = BatfishObjectMapper.mapper().readValue(roleFileText, new TypeReference<NodeRoleSpecifier>() {
        });
    } catch (IOException e) {
        throw new BatfishException("Failed to parse node roles", e);
    }
    return specifier;
}

Example 83 with BatfishException

use of org.batfish.common.BatfishException in project batfish by batfish.

the class Batfish method answer.

public Answer answer() {
    Question question = null;
    // return right away if we cannot parse the question successfully
    try (ActiveSpan parseQuestionSpan = GlobalTracer.get().buildSpan("Parse question").startActive()) {
        // avoid not used warning
        assert parseQuestionSpan != null;
        question = Question.parseQuestion(_settings.getQuestionPath());
    } catch (Exception e) {
        Answer answer = new Answer();
        BatfishException exception = new BatfishException("Could not parse question", e);
        answer.setStatus(AnswerStatus.FAILURE);
        answer.addAnswerElement(exception.getBatfishStackTrace());
        return answer;
    }
    if (_settings.getDifferential()) {
        question.setDifferential(true);
    }
    boolean dp = question.getDataPlane();
    boolean diff = question.getDifferential();
    boolean diffActive = _settings.getDiffActive() && !diff;
    _settings.setDiffActive(diffActive);
    _settings.setDiffQuestion(diff);
    try (ActiveSpan loadConfigurationSpan = GlobalTracer.get().buildSpan("Load configurations").startActive()) {
        // avoid not used warning
        assert loadConfigurationSpan != null;
        // Ensures configurations are parsed and ready
        loadConfigurations();
    }
    try (ActiveSpan initQuestionEnvSpan = GlobalTracer.get().buildSpan("Init question environment").startActive()) {
        // avoid not used warning
        assert initQuestionEnvSpan != null;
        initQuestionEnvironments(question, diff, diffActive, dp);
    }
    AnswerElement answerElement = null;
    BatfishException exception = null;
    try (ActiveSpan getAnswerSpan = GlobalTracer.get().buildSpan("Get answer").startActive()) {
        // avoid not used warning
        assert getAnswerSpan != null;
        if (question.getDifferential()) {
            answerElement = Answerer.create(question, this).answerDiff();
        } else {
            answerElement = Answerer.create(question, this).answer();
        }
    } catch (Exception e) {
        exception = new BatfishException("Failed to answer question", e);
    }
    Answer answer = new Answer();
    answer.setQuestion(question);
    if (exception == null) {
        // success
        answer.setStatus(AnswerStatus.SUCCESS);
        answer.addAnswerElement(answerElement);
    } else {
        // failure
        answer.setStatus(AnswerStatus.FAILURE);
        answer.addAnswerElement(exception.getBatfishStackTrace());
    }
    return answer;
}

Example 84 with BatfishException

use of org.batfish.common.BatfishException in project batfish by batfish.

the class Batfish method serializeHostConfigs.

private SortedMap<String, VendorConfiguration> serializeHostConfigs(Path testRigPath, Path outputPath, ParseVendorConfigurationAnswerElement answerElement) {
    SortedMap<Path, String> configurationData = readConfigurationFiles(testRigPath, BfConsts.RELPATH_HOST_CONFIGS_DIR);
    // read the host files
    SortedMap<String, VendorConfiguration> allHostConfigurations;
    try (ActiveSpan parseHostConfigsSpan = GlobalTracer.get().buildSpan("Parse host configs").startActive()) {
        // avoid unused warning
        assert parseHostConfigsSpan != null;
        allHostConfigurations = parseVendorConfigurations(configurationData, answerElement, ConfigurationFormat.HOST);
    }
    if (allHostConfigurations == null) {
        throw new BatfishException("Exiting due to parser errors");
    }
    _logger.infof("Testrig:%s in container:%s has total number of host configs:%d", getTestrigName(), getContainerName(), allHostConfigurations.size());
    // split into hostConfigurations and overlayConfigurations
    SortedMap<String, VendorConfiguration> overlayConfigurations = allHostConfigurations.entrySet().stream().filter(e -> ((HostConfiguration) e.getValue()).getOverlay()).collect(toMap(Entry::getKey, Entry::getValue, (v1, v2) -> v1, TreeMap::new));
    SortedMap<String, VendorConfiguration> nonOverlayHostConfigurations = allHostConfigurations.entrySet().stream().filter(e -> !((HostConfiguration) e.getValue()).getOverlay()).collect(toMap(Entry::getKey, Entry::getValue, (v1, v2) -> v1, TreeMap::new));
    // read and associate iptables files for specified hosts
    SortedMap<Path, String> iptablesData = new TreeMap<>();
    readIptableFiles(testRigPath, allHostConfigurations, iptablesData, answerElement);
    SortedMap<String, VendorConfiguration> iptablesConfigurations = parseVendorConfigurations(iptablesData, answerElement, ConfigurationFormat.IPTABLES);
    for (VendorConfiguration vc : allHostConfigurations.values()) {
        HostConfiguration hostConfig = (HostConfiguration) vc;
        if (hostConfig.getIptablesFile() != null) {
            Path path = Paths.get(testRigPath.toString(), hostConfig.getIptablesFile());
            String relativePathStr = _testrigSettings.getBasePath().relativize(path).toString();
            if (iptablesConfigurations.containsKey(relativePathStr)) {
                hostConfig.setIptablesVendorConfig((IptablesVendorConfiguration) iptablesConfigurations.get(relativePathStr));
            }
        }
    }
    // now, serialize
    _logger.info("\n*** SERIALIZING VENDOR CONFIGURATION STRUCTURES ***\n");
    _logger.resetTimer();
    CommonUtil.createDirectories(outputPath);
    Map<Path, VendorConfiguration> output = new TreeMap<>();
    nonOverlayHostConfigurations.forEach((name, vc) -> {
        Path currentOutputPath = outputPath.resolve(name);
        output.put(currentOutputPath, vc);
    });
    serializeObjects(output);
    // serialize warnings
    serializeObject(answerElement, _testrigSettings.getParseAnswerPath());
    _logger.printElapsedTime();
    return overlayConfigurations;
}

Example 85 with BatfishException

use of org.batfish.common.BatfishException in project batfish by batfish.

the class Batfish method writeJsonTopology.

private void writeJsonTopology() {
    try {
        Map<String, Configuration> configs = loadConfigurations();
        SortedSet<Edge> textEdges = CommonUtil.synthesizeTopology(configs).getEdges();
        JSONArray jEdges = new JSONArray();
        for (Edge textEdge : textEdges) {
            Configuration node1 = configs.get(textEdge.getNode1());
            Configuration node2 = configs.get(textEdge.getNode2());
            Interface interface1 = node1.getInterfaces().get(textEdge.getInt1());
            Interface interface2 = node2.getInterfaces().get(textEdge.getInt2());
            JSONObject jEdge = new JSONObject();
            jEdge.put("interface1", interface1.toJSONObject());
            jEdge.put("interface2", interface2.toJSONObject());
            jEdges.put(jEdge);
        }
        JSONObject master = new JSONObject();
        JSONObject topology = new JSONObject();
        topology.put("edges", jEdges);
        master.put("topology", topology);
        String text = master.toString(3);
        _logger.output(text);
    } catch (JSONException e) {
        throw new BatfishException("Failed to synthesize JSON topology", e);
    }
}