From ad5b4af2c4ae822fc892974fd7e2e9e2106998a6 Mon Sep 17 00:00:00 2001 From: Balazs Meszaros Date: Mon, 2 Jul 2018 12:11:03 +0200 Subject: [PATCH] HBASE-20833 Modify pre-upgrade coprocessor validator to support table level coprocessors - -jar parameter now accepts multiple jar files and directories of jar files. - observer classes can be verified by -class option. - -table parameter was added to check table level coprocessors. - -config parameter was added to obtain the coprocessor classes from HBase cofiguration. - -scan option was removed. Signed-off-by: Mike Drob --- .../hbase/tool/PreUpgradeValidator.java | 8 +- .../coprocessor/CoprocessorValidator.java | 253 ++++++++++++------ .../coprocessor/CoprocessorViolation.java | 36 ++- .../coprocessor/CoprocessorValidatorTest.java | 158 ++++++++--- src/main/asciidoc/_chapters/ops_mgt.adoc | 26 +- 5 files changed, 350 insertions(+), 131 deletions(-) diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/PreUpgradeValidator.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/PreUpgradeValidator.java index a3c505ef60ae..7bf307484b0a 100644 --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/PreUpgradeValidator.java +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/PreUpgradeValidator.java @@ -65,9 +65,9 @@ public void setConf(Configuration conf) { private void printUsage() { System.out.println("usage: hbase " + TOOL_NAME + " command ..."); System.out.println("Available commands:"); - System.out.printf(" %-12s Validate co-processors are compatible with HBase%n", + System.out.printf(" %-15s Validate co-processors are compatible with HBase%n", VALIDATE_CP_NAME); - System.out.printf(" %-12s Validate DataBlockEncoding are compatible on the cluster%n", + System.out.printf(" %-15s Validate DataBlockEncodings are compatible with HBase%n", VALIDATE_DBE_NAME); System.out.println("For further information, please use command -h"); } @@ -104,8 +104,10 @@ public int run(String[] args) throws Exception { public static void main(String[] args) { int ret; + Configuration conf = HBaseConfiguration.create(); + try { - ret = ToolRunner.run(HBaseConfiguration.create(), new PreUpgradeValidator(), args); + ret = ToolRunner.run(conf, new PreUpgradeValidator(), args); } catch (Exception e) { LOG.error("Error running command-line tool", e); ret = AbstractHBaseTool.EXIT_FAILURE; diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidator.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidator.java index c6d57236ae8a..0e76f0ed8c23 100644 --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidator.java +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidator.java @@ -23,18 +23,29 @@ import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; +import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.security.AccessController; import java.security.PrivilegedAction; import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; import java.util.List; -import java.util.jar.JarEntry; -import java.util.jar.JarFile; +import java.util.Optional; +import java.util.regex.Pattern; import java.util.stream.Collectors; +import java.util.stream.Stream; -import org.apache.hadoop.hbase.Coprocessor; +import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.hbase.HBaseInterfaceAudience; +import org.apache.hadoop.hbase.client.Admin; +import org.apache.hadoop.hbase.client.Connection; +import org.apache.hadoop.hbase.client.ConnectionFactory; +import org.apache.hadoop.hbase.client.CoprocessorDescriptor; +import org.apache.hadoop.hbase.client.TableDescriptor; +import org.apache.hadoop.hbase.coprocessor.CoprocessorHost; import org.apache.hadoop.hbase.tool.PreUpgradeValidator; import org.apache.hadoop.hbase.tool.coprocessor.CoprocessorViolation.Severity; import org.apache.hadoop.hbase.util.AbstractHBaseTool; @@ -44,7 +55,6 @@ import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting; import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine; -import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException; @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS) public class CoprocessorValidator extends AbstractHBaseTool { @@ -54,13 +64,20 @@ public class CoprocessorValidator extends AbstractHBaseTool { private CoprocessorMethods branch1; private CoprocessorMethods current; + private final List jars; + private final List tablePatterns; + private final List classes; + private boolean config; + private boolean dieOnWarnings; - private boolean scan; - private List args; public CoprocessorValidator() { branch1 = new Branch1CoprocessorMethods(); current = new CurrentCoprocessorMethods(); + + jars = new ArrayList<>(); + tablePatterns = new ArrayList<>(); + classes = new ArrayList<>(); } /** @@ -71,8 +88,8 @@ public CoprocessorValidator() { * according to JLS. */ private static final class ResolverUrlClassLoader extends URLClassLoader { - private ResolverUrlClassLoader(URL[] urls) { - super(urls, ResolverUrlClassLoader.class.getClassLoader()); + private ResolverUrlClassLoader(URL[] urls, ClassLoader parent) { + super(urls, parent); } @Override @@ -82,14 +99,33 @@ public Class loadClass(String name) throws ClassNotFoundException { } private ResolverUrlClassLoader createClassLoader(URL[] urls) { + return createClassLoader(urls, getClass().getClassLoader()); + } + + private ResolverUrlClassLoader createClassLoader(URL[] urls, ClassLoader parent) { return AccessController.doPrivileged(new PrivilegedAction() { @Override public ResolverUrlClassLoader run() { - return new ResolverUrlClassLoader(urls); + return new ResolverUrlClassLoader(urls, parent); } }); } + private ResolverUrlClassLoader createClassLoader(ClassLoader parent, + org.apache.hadoop.fs.Path path) throws IOException { + Path tempPath = Files.createTempFile("hbase-coprocessor-", ".jar"); + org.apache.hadoop.fs.Path destination = new org.apache.hadoop.fs.Path(tempPath.toString()); + + LOG.debug("Copying coprocessor jar '{}' to '{}'.", path, tempPath); + + FileSystem fileSystem = FileSystem.get(getConf()); + fileSystem.copyToLocalFile(path, destination); + + URL url = tempPath.toUri().toURL(); + + return createClassLoader(new URL[] { url }, parent); + } + private void validate(ClassLoader classLoader, String className, List violations) { LOG.debug("Validating class '{}'.", className); @@ -101,133 +137,189 @@ private void validate(ClassLoader classLoader, String className, LOG.trace("Validating method '{}'.", method); if (branch1.hasMethod(method) && !current.hasMethod(method)) { - CoprocessorViolation violation = new CoprocessorViolation(Severity.WARNING, - "Method '" + method + "' was removed from new coprocessor API, " - + "so it won't be called by HBase."); + CoprocessorViolation violation = new CoprocessorViolation( + className, Severity.WARNING, "method '" + method + + "' was removed from new coprocessor API, so it won't be called by HBase"); violations.add(violation); } } } catch (ClassNotFoundException e) { - CoprocessorViolation violation = new CoprocessorViolation(Severity.ERROR, - "No such class '" + className + "'.", e); + CoprocessorViolation violation = new CoprocessorViolation( + className, Severity.ERROR, "no such class", e); violations.add(violation); } catch (RuntimeException | Error e) { - CoprocessorViolation violation = new CoprocessorViolation(Severity.ERROR, - "Could not validate class '" + className + "'.", e); + CoprocessorViolation violation = new CoprocessorViolation( + className, Severity.ERROR, "could not validate class", e); violations.add(violation); } } - public List validate(ClassLoader classLoader, List classNames) { - List violations = new ArrayList<>(); - + public void validateClasses(ClassLoader classLoader, List classNames, + List violations) { for (String className : classNames) { validate(classLoader, className, violations); } - - return violations; } - public List validate(List urls, List classNames) - throws IOException { - URL[] urlArray = new URL[urls.size()]; - urls.toArray(urlArray); - - try (ResolverUrlClassLoader classLoader = createClassLoader(urlArray)) { - return validate(classLoader, classNames); - } + public void validateClasses(ClassLoader classLoader, String[] classNames, + List violations) { + validateClasses(classLoader, Arrays.asList(classNames), violations); } @VisibleForTesting - protected List getJarClasses(Path path) throws IOException { - try (JarFile jarFile = new JarFile(path.toFile())) { - return jarFile.stream() - .map(JarEntry::getName) - .filter((name) -> name.endsWith(".class")) - .map((name) -> name.substring(0, name.length() - 6).replace('/', '.')) - .collect(Collectors.toList()); + protected void validateTables(ClassLoader classLoader, Admin admin, + Pattern pattern, List violations) throws IOException { + List tableDescriptors = admin.listTableDescriptors(pattern); + + for (TableDescriptor tableDescriptor : tableDescriptors) { + LOG.debug("Validating table {}", tableDescriptor.getTableName()); + + Collection coprocessorDescriptors = + tableDescriptor.getCoprocessorDescriptors(); + + for (CoprocessorDescriptor coprocessorDescriptor : coprocessorDescriptors) { + String className = coprocessorDescriptor.getClassName(); + Optional jarPath = coprocessorDescriptor.getJarPath(); + + if (jarPath.isPresent()) { + org.apache.hadoop.fs.Path path = new org.apache.hadoop.fs.Path(jarPath.get()); + try (ResolverUrlClassLoader cpClassLoader = createClassLoader(classLoader, path)) { + validate(cpClassLoader, className, violations); + } catch (IOException e) { + CoprocessorViolation violation = new CoprocessorViolation( + className, Severity.ERROR, + "could not validate jar file '" + path + "'", e); + violations.add(violation); + } + } else { + validate(classLoader, className, violations); + } + } } } - @VisibleForTesting - protected List filterObservers(ClassLoader classLoader, - Iterable classNames) throws ClassNotFoundException { - List filteredClassNames = new ArrayList<>(); - - for (String className : classNames) { - LOG.debug("Scanning class '{}'.", className); - - Class clazz = classLoader.loadClass(className); - - if (Coprocessor.class.isAssignableFrom(clazz)) { - LOG.debug("Found coprocessor class '{}'.", className); - filteredClassNames.add(className); - } + private void validateTables(ClassLoader classLoader, Pattern pattern, + List violations) throws IOException { + try (Connection connection = ConnectionFactory.createConnection(getConf()); + Admin admin = connection.getAdmin()) { + validateTables(classLoader, admin, pattern, violations); } - - return filteredClassNames; } @Override protected void printUsage() { String header = "hbase " + PreUpgradeValidator.TOOL_NAME + " " + - PreUpgradeValidator.VALIDATE_CP_NAME + " -scan|"; + PreUpgradeValidator.VALIDATE_CP_NAME + + " [-jar ...] [-class ... | -table ... | -config]"; printUsage(header, "Options:", ""); } @Override protected void addOptions() { addOptNoArg("e", "Treat warnings as errors."); - addOptNoArg("scan", "Scan jar for observers."); + addOptWithArg("jar", "Jar file/directory of the coprocessor."); + addOptWithArg("table", "Table coprocessor(s) to check."); + addOptWithArg("class", "Coprocessor class(es) to check."); + addOptNoArg("config", "Obtain coprocessor class(es) from configuration."); } @Override protected void processOptions(CommandLine cmd) { - scan = cmd.hasOption("scan"); + String[] jars = cmd.getOptionValues("jar"); + if (jars != null) { + Collections.addAll(this.jars, jars); + } + + String[] tables = cmd.getOptionValues("table"); + if (tables != null) { + Arrays.stream(tables).map(Pattern::compile).forEach(tablePatterns::add); + } + + String[] classes = cmd.getOptionValues("class"); + if (classes != null) { + Collections.addAll(this.classes, classes); + } + + config = cmd.hasOption("config"); dieOnWarnings = cmd.hasOption("e"); - args = cmd.getArgList(); + } + + private List buildClasspath(List jars) throws IOException { + List urls = new ArrayList<>(); + + for (String jar : jars) { + Path jarPath = Paths.get(jar); + if (Files.isDirectory(jarPath)) { + try (Stream stream = Files.list(jarPath)) { + List files = stream + .filter((path) -> Files.isRegularFile(path)) + .collect(Collectors.toList()); + + for (Path file : files) { + URL url = file.toUri().toURL(); + urls.add(url); + } + } + } else { + URL url = jarPath.toUri().toURL(); + urls.add(url); + } + } + + return urls; } @Override protected int doWork() throws Exception { - if (args.size() < 1) { - System.err.println("Missing jar file."); + if (tablePatterns.isEmpty() && classes.isEmpty() && !config) { + LOG.error("Please give at least one -table, -class or -config parameter."); printUsage(); return EXIT_FAILURE; } - String jar = args.get(0); + List urlList = buildClasspath(jars); + URL[] urls = urlList.toArray(new URL[urlList.size()]); - if (args.size() == 1 && !scan) { - throw new ParseException("Missing classes or -scan option."); - } else if (args.size() > 1 && scan) { - throw new ParseException("Can't use classes with -scan option."); - } - - Path jarPath = Paths.get(jar); - URL[] urls = new URL[] { jarPath.toUri().toURL() }; + LOG.debug("Classpath: {}", urlList); - List violations; + List violations = new ArrayList<>(); try (ResolverUrlClassLoader classLoader = createClassLoader(urls)) { - List classNames; - - if (scan) { - List jarClassNames = getJarClasses(jarPath); - classNames = filterObservers(classLoader, jarClassNames); - } else { - classNames = args.subList(1, args.size()); + for (Pattern tablePattern : tablePatterns) { + validateTables(classLoader, tablePattern, violations); } - violations = validate(classLoader, classNames); + validateClasses(classLoader, classes, violations); + + if (config) { + String[] masterCoprocessors = + getConf().getStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY); + if (masterCoprocessors != null) { + validateClasses(classLoader, masterCoprocessors, violations); + } + + String[] regionCoprocessors = + getConf().getStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY); + if (regionCoprocessors != null) { + validateClasses(classLoader, regionCoprocessors, violations); + } + } } boolean error = false; for (CoprocessorViolation violation : violations) { + String className = violation.getClassName(); + String message = violation.getMessage(); + Throwable throwable = violation.getThrowable(); + switch (violation.getSeverity()) { case WARNING: - System.err.println("[WARNING] " + violation.getMessage()); + if (throwable == null) { + LOG.warn("Warning in class '{}': {}.", className, message); + } else { + LOG.warn("Warning in class '{}': {}.", className, message, throwable); + } if (dieOnWarnings) { error = true; @@ -235,7 +327,12 @@ protected int doWork() throws Exception { break; case ERROR: - System.err.println("[ERROR] " + violation.getMessage()); + if (throwable == null) { + LOG.error("Error in class '{}': {}.", className, message); + } else { + LOG.error("Error in class '{}': {}.", className, message, throwable); + } + error = true; break; diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorViolation.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorViolation.java index c403c074179b..d00398ecc270 100644 --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorViolation.java +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorViolation.java @@ -21,7 +21,7 @@ import org.apache.yetus.audience.InterfaceAudience; -import org.apache.hbase.thirdparty.com.google.common.base.Throwables; +import org.apache.hbase.thirdparty.com.google.common.base.MoreObjects; @InterfaceAudience.Private public class CoprocessorViolation { @@ -29,21 +29,25 @@ public enum Severity { WARNING, ERROR } + private final String className; private final Severity severity; private final String message; + private final Throwable throwable; - public CoprocessorViolation(Severity severity, String message) { - this(severity, message, null); + public CoprocessorViolation(String className, Severity severity, String message) { + this(className, severity, message, null); } - public CoprocessorViolation(Severity severity, String message, Throwable t) { + public CoprocessorViolation(String className, Severity severity, String message, + Throwable t) { + this.className = className; this.severity = severity; + this.message = message; + this.throwable = t; + } - if (t == null) { - this.message = message; - } else { - this.message = message + "\n" + Throwables.getStackTraceAsString(t); - } + public String getClassName() { + return className; } public Severity getSeverity() { @@ -53,4 +57,18 @@ public Severity getSeverity() { public String getMessage() { return message; } + + public Throwable getThrowable() { + return throwable; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(this) + .add("className", className) + .add("severity", severity) + .add("message", message) + .add("throwable", throwable) + .toString(); + } } diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidatorTest.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidatorTest.java index 8926ff56ee4c..8d6a96269e3d 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidatorTest.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/tool/coprocessor/CoprocessorValidatorTest.java @@ -20,15 +20,29 @@ import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.doReturn; +import static org.mockito.Mockito.mock; import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.ArrayList; import java.util.List; +import java.util.Optional; +import java.util.jar.JarOutputStream; +import java.util.regex.Pattern; +import java.util.zip.ZipEntry; -import org.apache.hadoop.hbase.Coprocessor; -import org.apache.hadoop.hbase.CoprocessorEnvironment; import org.apache.hadoop.hbase.HBaseClassTestRule; +import org.apache.hadoop.hbase.HBaseConfiguration; import org.apache.hadoop.hbase.HRegionInfo; import org.apache.hadoop.hbase.HTableDescriptor; +import org.apache.hadoop.hbase.client.Admin; +import org.apache.hadoop.hbase.client.CoprocessorDescriptor; +import org.apache.hadoop.hbase.client.TableDescriptor; import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment; import org.apache.hadoop.hbase.coprocessor.ObserverContext; import org.apache.hadoop.hbase.testclassification.SmallTests; @@ -37,7 +51,9 @@ import org.junit.Test; import org.junit.experimental.categories.Category; +import org.apache.hbase.thirdparty.com.google.common.base.Throwables; import org.apache.hbase.thirdparty.com.google.common.collect.Lists; +import org.apache.hbase.thirdparty.com.google.common.io.ByteStreams; @Category({ SmallTests.class }) @SuppressWarnings("deprecation") @@ -50,6 +66,7 @@ public class CoprocessorValidatorTest { public CoprocessorValidatorTest() { validator = new CoprocessorValidator(); + validator.setConf(HBaseConfiguration.create()); } private static ClassLoader getClassLoader() { @@ -60,36 +77,18 @@ private static String getFullClassName(String className) { return CoprocessorValidatorTest.class.getName() + "$" + className; } - @SuppressWarnings({"rawtypes", "unused"}) - private static class TestObserver implements Coprocessor { - @Override - public void start(CoprocessorEnvironment env) throws IOException { - } - - @Override - public void stop(CoprocessorEnvironment env) throws IOException { - } + private List validateClass(String className) { + ClassLoader classLoader = getClass().getClassLoader(); + return validateClass(classLoader, className); } - @Test - public void testFilterObservers() throws Exception { - String filterObservers = getFullClassName("TestObserver"); - List classNames = Lists.newArrayList( - filterObservers, getClass().getName()); - List filteredClassNames = validator.filterObservers(getClassLoader(), classNames); + private List validateClass(ClassLoader classLoader, String className) { + List classNames = Lists.newArrayList(getFullClassName(className)); + List violations = new ArrayList<>(); - assertEquals(1, filteredClassNames.size()); - assertEquals(filterObservers, filteredClassNames.get(0)); - } - - private List validate(String className) { - ClassLoader classLoader = getClass().getClassLoader(); - return validate(classLoader, className); - } + validator.validateClasses(classLoader, classNames, violations); - private List validate(ClassLoader classLoader, String className) { - List classNames = Lists.newArrayList(getClass().getName() + "$" + className); - return validator.validate(classLoader, classNames); + return violations; } /* @@ -97,13 +96,15 @@ private List validate(ClassLoader classLoader, String clas */ @Test public void testNoSuchClass() throws IOException { - List violations = validate("NoSuchClass"); + List violations = validateClass("NoSuchClass"); assertEquals(1, violations.size()); CoprocessorViolation violation = violations.get(0); + assertEquals(getFullClassName("NoSuchClass"), violation.getClassName()); assertEquals(Severity.ERROR, violation.getSeverity()); - assertTrue(violation.getMessage().contains( - "java.lang.ClassNotFoundException: " + + + String stackTrace = Throwables.getStackTraceAsString(violation.getThrowable()); + assertTrue(stackTrace.contains("java.lang.ClassNotFoundException: " + "org.apache.hadoop.hbase.tool.coprocessor.CoprocessorValidatorTest$NoSuchClass")); } @@ -142,14 +143,16 @@ public Class loadClass(String name) throws ClassNotFoundException { @Test public void testMissingClass() throws IOException { MissingClassClassLoader missingClassClassLoader = new MissingClassClassLoader(); - List violations = validate(missingClassClassLoader, + List violations = validateClass(missingClassClassLoader, "MissingClassObserver"); assertEquals(1, violations.size()); CoprocessorViolation violation = violations.get(0); + assertEquals(getFullClassName("MissingClassObserver"), violation.getClassName()); assertEquals(Severity.ERROR, violation.getSeverity()); - assertTrue(violation.getMessage().contains( - "java.lang.ClassNotFoundException: " + + + String stackTrace = Throwables.getStackTraceAsString(violation.getThrowable()); + assertTrue(stackTrace.contains("java.lang.ClassNotFoundException: " + "org.apache.hadoop.hbase.tool.coprocessor.CoprocessorValidatorTest$MissingClass")); } @@ -167,11 +170,96 @@ public void preCreateTable(ObserverContext ctx, @Test public void testObsoleteMethod() throws IOException { - List violations = validate("ObsoleteMethodObserver"); + List violations = validateClass("ObsoleteMethodObserver"); assertEquals(1, violations.size()); CoprocessorViolation violation = violations.get(0); assertEquals(Severity.WARNING, violation.getSeverity()); + assertEquals(getFullClassName("ObsoleteMethodObserver"), violation.getClassName()); assertTrue(violation.getMessage().contains("was removed from new coprocessor API")); } + + private List validateTable(String jarFile, String className) + throws IOException { + Pattern pattern = Pattern.compile(".*"); + + Admin admin = mock(Admin.class); + + TableDescriptor tableDescriptor = mock(TableDescriptor.class); + List tableDescriptors = Lists.newArrayList(tableDescriptor); + doReturn(tableDescriptors).when(admin).listTableDescriptors(pattern); + + CoprocessorDescriptor coprocessorDescriptor = mock(CoprocessorDescriptor.class); + List coprocessorDescriptors = + Lists.newArrayList(coprocessorDescriptor); + doReturn(coprocessorDescriptors).when(tableDescriptor).getCoprocessorDescriptors(); + + doReturn(getFullClassName(className)).when(coprocessorDescriptor).getClassName(); + doReturn(Optional.ofNullable(jarFile)).when(coprocessorDescriptor).getJarPath(); + + List violations = new ArrayList<>(); + + validator.validateTables(getClassLoader(), admin, pattern, violations); + + return violations; + } + + @Test + public void testTableNoSuchClass() throws IOException { + List violations = validateTable(null, "NoSuchClass"); + assertEquals(1, violations.size()); + + CoprocessorViolation violation = violations.get(0); + assertEquals(getFullClassName("NoSuchClass"), violation.getClassName()); + assertEquals(Severity.ERROR, violation.getSeverity()); + + String stackTrace = Throwables.getStackTraceAsString(violation.getThrowable()); + assertTrue(stackTrace.contains("java.lang.ClassNotFoundException: " + + "org.apache.hadoop.hbase.tool.coprocessor.CoprocessorValidatorTest$NoSuchClass")); + } + + @Test + public void testTableMissingJar() throws IOException { + List violations = validateTable("no such file", "NoSuchClass"); + assertEquals(1, violations.size()); + + CoprocessorViolation violation = violations.get(0); + assertEquals(getFullClassName("NoSuchClass"), violation.getClassName()); + assertEquals(Severity.ERROR, violation.getSeverity()); + assertTrue(violation.getMessage().contains("could not validate jar file 'no such file'")); + } + + @Test + public void testTableValidJar() throws IOException { + Path outputDirectory = Paths.get("target", "test-classes"); + String className = getFullClassName("ObsoleteMethodObserver"); + Path classFile = Paths.get(className.replace('.', '/') + ".class"); + Path fullClassFile = outputDirectory.resolve(classFile); + + Path tempJarFile = Files.createTempFile("coprocessor-validator-test-", ".jar"); + + try { + try (OutputStream fileStream = Files.newOutputStream(tempJarFile); + JarOutputStream jarStream = new JarOutputStream(fileStream); + InputStream classStream = Files.newInputStream(fullClassFile)) { + ZipEntry entry = new ZipEntry(classFile.toString()); + jarStream.putNextEntry(entry); + + ByteStreams.copy(classStream, jarStream); + } + + String tempJarFileUri = tempJarFile.toUri().toString(); + + List violations = + validateTable(tempJarFileUri, "ObsoleteMethodObserver"); + assertEquals(1, violations.size()); + + CoprocessorViolation violation = violations.get(0); + assertEquals(getFullClassName("ObsoleteMethodObserver"), violation.getClassName()); + assertEquals(Severity.WARNING, violation.getSeverity()); + assertTrue(violation.getMessage().contains("was removed from new coprocessor API")); + } finally { + Files.delete(tempJarFile); + } + } } diff --git a/src/main/asciidoc/_chapters/ops_mgt.adoc b/src/main/asciidoc/_chapters/ops_mgt.adoc index d2166e8ddbed..b6be8679ad82 100644 --- a/src/main/asciidoc/_chapters/ops_mgt.adoc +++ b/src/main/asciidoc/_chapters/ops_mgt.adoc @@ -858,14 +858,19 @@ whether the old co-processors are still compatible with the actual HBase version [source, bash] ---- -$ bin/hbase pre-upgrade validate-cp -scan| +$ bin/hbase pre-upgrade validate-cp [-jar ...] [-class ... | -table ... | -config] Options: - -e Treat warnings as errors. - -scan Scan jar for observers. + -e Treat warnings as errors. + -jar Jar file/directory of the coprocessor. + -table Table coprocessor(s) to check. + -class Coprocessor class(es) to check. + -config Scan jar for observers. ---- -The first parameter of the tool is the `jar` file which holds the co-processor implementation. Further parameters can be `-scan` when the tool will -search the jar file for `Coprocessor` implementations or the `classes` can be explicitly given. +The co-processor classes can be explicitly declared by `-class` option, or they can be obtained from HBase configuration by `-config` option. +Table level co-processors can be also checked by `-table` option. The tool searches for co-processors on its classpath, but it can be extended +by the `-jar` option. It is possible to test multiple classes with multiple `-class`, multiple tables with multiple `-table` options as well as +adding multiple jars to the classpath with multiple `-jar` options. The tool can report errors and warnings. Errors mean that HBase won't be able to load the coprocessor, because it is incompatible with the current version of HBase. Warnings mean that the co-processors can be loaded, but they won't work as expected. If `-e` option is given, then the tool will also fail @@ -877,9 +882,18 @@ For example: [source, bash] ---- -$ bin/hbase pre-upgrade validate-cp my-coprocessor.jar MyMasterObserver MyRegionObserver +$ bin/hbase pre-upgrade validate-cp -jar my-coprocessor.jar -class MyMasterObserver -class MyRegionObserver ---- +It validates `MyMasterObserver` and `MyRegionObserver` classes which are located in `my-coprocessor.jar`. + +[source, bash] +---- +$ bin/hbase pre-upgrade validate-cp -table .* +---- + +It validates every table level co-processors where the table name matches to `.*` regular expression. + ==== DataBlockEncoding validation HBase 2.0 removed `PREFIX_TREE` Data Block Encoding from column families. To verify that none of the column families are using incompatible Data Block Encodings in the cluster run the following command.