use of org.batfish.grammar.cisco.CiscoCombinedParser in project batfish by batfish.
the class ParseVendorConfigurationJob method call.
@SuppressWarnings("fallthrough")
@Override
public ParseVendorConfigurationResult call() throws Exception {
long startTime = System.currentTimeMillis();
long elapsedTime;
String currentPath = _file.toAbsolutePath().toString();
VendorConfiguration vc = null;
BatfishCombinedParser<?, ?> combinedParser = null;
ParserRuleContext tree = null;
ControlPlaneExtractor extractor = null;
ConfigurationFormat format = _format;
_logger.infof("Processing: '%s'\n", currentPath);
for (String s : _settings.ignoreFilesWithStrings()) {
if (_fileText.contains(s)) {
format = ConfigurationFormat.IGNORED;
break;
}
}
String relativePathStr = _settings.getActiveTestrigSettings().getBasePath().relativize(_file).toString();
if (format == ConfigurationFormat.UNKNOWN) {
format = VendorConfigurationFormatDetector.identifyConfigurationFormat(_fileText);
}
switch(format) {
case EMPTY:
_warnings.redFlag("Empty file: '" + currentPath + "'\n");
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, _warnings, ParseStatus.EMPTY);
case IGNORED:
_warnings.pedantic("Ignored file: '" + currentPath + "'\n");
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, _warnings, ParseStatus.IGNORED);
case ARISTA:
case CADANT:
case CISCO_ASA:
case CISCO_IOS:
case CISCO_IOS_XR:
case CISCO_NX:
case FORCE10:
case FOUNDRY:
String newFileText = _fileText;
String fileText;
_logger.info("\tPreprocessing...");
do {
fileText = newFileText;
try {
newFileText = preprocessBanner(fileText, format);
} catch (BatfishException e) {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException("Error preprocessing banner", e));
}
} while (!newFileText.equals(fileText));
_logger.info("OK\n");
CiscoCombinedParser ciscoParser = new CiscoCombinedParser(newFileText, _settings, format);
combinedParser = ciscoParser;
extractor = new CiscoControlPlaneExtractor(newFileText, ciscoParser, format, _warnings, _settings.getUnrecognizedAsRedFlag());
break;
case HOST:
vc = HostConfiguration.fromJson(_fileText, _warnings);
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, vc, _warnings, _ptSentences);
case VYOS:
if (_settings.flattenOnTheFly()) {
String msg = "Flattening: '" + currentPath + "' on-the-fly; line-numbers reported for this file will be spurious\n";
_warnings.pedantic(msg);
// _logger
// .warn("Flattening: \""
// + currentPath
// +
// "\" on-the-fly; line-numbers reported for this file will be
// spurious\n");
_fileText = Batfish.flatten(_fileText, _logger, _settings, ConfigurationFormat.VYOS, VendorConfigurationFormatDetector.BATFISH_FLATTENED_VYOS_HEADER);
} else {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException("Vyos configurations must be flattened prior to this stage: '" + relativePathStr + "'"));
}
// fall through
case FLAT_VYOS:
FlatVyosCombinedParser flatVyosParser = new FlatVyosCombinedParser(_fileText, _settings);
combinedParser = flatVyosParser;
extractor = new FlatVyosControlPlaneExtractor(_fileText, flatVyosParser, _warnings);
break;
case JUNIPER:
if (_settings.flattenOnTheFly()) {
String msg = "Flattening: '" + currentPath + "' on-the-fly; line-numbers reported for this file will be spurious\n";
_warnings.pedantic(msg);
// spurious\n");
try {
_fileText = Batfish.flatten(_fileText, _logger, _settings, ConfigurationFormat.JUNIPER, VendorConfigurationFormatDetector.BATFISH_FLATTENED_JUNIPER_HEADER);
} catch (BatfishException e) {
String error = "Error flattening configuration file: '" + currentPath + "'";
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(error, e));
}
} else {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException("Juniper configurations must be flattened prior to this stage: '" + relativePathStr + "'"));
}
// fall through
case FLAT_JUNIPER:
FlatJuniperCombinedParser flatJuniperParser = new FlatJuniperCombinedParser(_fileText, _settings);
combinedParser = flatJuniperParser;
extractor = new FlatJuniperControlPlaneExtractor(_fileText, flatJuniperParser, _warnings, _settings.getUnrecognizedAsRedFlag());
break;
case IPTABLES:
IptablesCombinedParser iptablesParser = new IptablesCombinedParser(_fileText, _settings);
combinedParser = iptablesParser;
extractor = new IptablesControlPlaneExtractor(_fileText, iptablesParser, _warnings, relativePathStr);
break;
case MRV:
MrvCombinedParser mrvParser = new MrvCombinedParser(_fileText, _settings);
combinedParser = mrvParser;
extractor = new MrvControlPlaneExtractor(_fileText, mrvParser, _warnings);
break;
case ALCATEL_AOS:
case AWS:
case BLADENETWORK:
case F5:
case JUNIPER_SWITCH:
case METAMAKO:
case MRV_COMMANDS:
case MSS:
case VXWORKS:
String unsupportedError = "Unsupported configuration format: '" + format + "' for file: '" + currentPath + "'\n";
if (!_settings.ignoreUnsupported()) {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(unsupportedError));
} else {
_warnings.unimplemented(unsupportedError);
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, _warnings, ParseStatus.UNSUPPORTED);
}
case UNKNOWN:
default:
String unknownError = "Unknown configuration format for file: '" + currentPath + "'\n";
if (!_settings.ignoreUnknown()) {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(unknownError));
} else {
_warnings.unimplemented(unknownError);
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, _warnings, ParseStatus.UNKNOWN);
}
}
try {
_logger.info("\tParsing...");
tree = Batfish.parse(combinedParser, _logger, _settings);
if (_settings.getPrintParseTree()) {
_ptSentences = ParseTreePrettyPrinter.getParseTreeSentences(tree, combinedParser);
}
_logger.info("\tPost-processing...");
extractor.processParseTree(tree);
if (!combinedParser.getErrors().isEmpty()) {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(String.format("Configuration file: '%s' contains unrecognized lines:\n%s", _file.getFileName().toString(), String.join("\n", combinedParser.getErrors()))));
}
_logger.info("OK\n");
} catch (ParserBatfishException e) {
String error = "Error parsing configuration file: '" + currentPath + "'";
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(error, e));
} catch (Exception e) {
String error = "Error post-processing parse tree of configuration file: '" + currentPath + "'";
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, new BatfishException(error, e));
} finally {
Batfish.logWarnings(_logger, _warnings);
}
vc = extractor.getVendorConfiguration();
vc.setVendor(format);
vc.setFilename(_file.getFileName().toString());
// at this point we should have a VendorConfiguration vc
String hostname = vc.getHostname();
if (hostname == null) {
String error = "No hostname set in file: '" + relativePathStr.replace("\\", "/") + "'\n";
try {
_warnings.redFlag(error);
} catch (BatfishException e) {
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, e);
}
String filename = _file.getFileName().toString();
String guessedHostname = filename.replaceAll("\\.(cfg|conf)$", "");
_logger.redflag("\tNo hostname set! Guessing hostname from filename: '" + filename + "' ==> '" + guessedHostname + "'\n");
vc.setHostname(guessedHostname);
}
elapsedTime = System.currentTimeMillis() - startTime;
return new ParseVendorConfigurationResult(elapsedTime, _logger.getHistory(), _file, vc, _warnings, _ptSentences);
}
Aggregations