IMPALA-3695: Remove KUDU_IS_SUPPORTED

Testing:
Ran exhaustive tests.

Change-Id: I059d7a42798c38b570f25283663c284f2fcee517
Reviewed-on: http://gerrit.cloudera.org:8080/16085
Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>

CMakeLists.txt

@@ -402,8 +402,6 @@ else()
     set(kuduClient_DIR "$ENV{IMPALA_KUDU_HOME}/release/share/kuduClient/cmake")
   endif()
 endif()
-# When KUDU_IS_SUPPORTED is false, the Kudu client is expected to be a non-functional
-# stub. It's still needed to link though.
 find_package(kuduClient REQUIRED NO_DEFAULT_PATH)
 include_directories(SYSTEM ${KUDU_CLIENT_INCLUDE_DIR})
 

bin/bootstrap_toolchain.py

@@ -41,9 +41,6 @@
 # DOWNLOAD_CDH_COMPONENTS - When set to true, this script will also download and extract
 #   the CDP Hadoop components (i.e. Hadoop, Hive, HBase, Ranger, etc) into
 #   CDP_COMPONENTS_HOME as appropriate.
-# KUDU_IS_SUPPORTED - If KUDU_IS_SUPPORTED is false, Kudu is disabled and we download
-#   the toolchain Kudu and use the symbols to compile a non-functional stub library so
-#   that Impala has something to link against.
 # IMPALA_<PACKAGE>_VERSION - The version expected for <PACKAGE>. This is typically
 #   configured in bin/impala-config.sh and must exist for every package. This is used
 #   to construct an appropriate URL and expected archive name.
@@ -405,115 +402,6 @@ def check_custom_toolchain(toolchain_packages_home, packages):
     raise Exception("Toolchain bootstrap failed: required packages were missing")
 
 
-def build_kudu_stub(kudu_dir, gcc_dir):
-  """When Kudu isn't supported, the CentOS 7 Kudu package is downloaded from the
-     toolchain. This replaces the client lib with a stubbed client. The
-     'kudu_dir' specifies the location of the unpacked CentOS 7 Kudu package.
-     The 'gcc_dir' specifies the location of the unpacked GCC/G++."""
-
-  print "Building kudu stub"
-  # Find the client lib files in the Kudu dir. There may be several files with
-  # various extensions. Also there will be a debug version.
-  client_lib_paths = []
-  for path, _, files in os.walk(kudu_dir):
-    for file in files:
-      if not file.startswith("libkudu_client.so"):
-        continue
-      file_path = os.path.join(path, file)
-      if os.path.islink(file_path):
-        continue
-      client_lib_paths.append(file_path)
-  if not client_lib_paths:
-    raise Exception("Unable to find Kudu client lib under '%s'" % kudu_dir)
-
-  # The client stub will be create by inspecting a real client and extracting the
-  # symbols. The choice of which client file to use shouldn't matter.
-  client_lib_path = client_lib_paths[0]
-
-  # Use a newer version of binutils because on older systems the default binutils may
-  # not be able to read the newer binary.
-  binutils_dir = ToolchainPackage("binutils").pkg_directory()
-  nm_path = os.path.join(binutils_dir, "bin", "nm")
-  objdump_path = os.path.join(binutils_dir, "bin", "objdump")
-
-  # Extract the symbols and write the stubbed client source. There is a special method
-  # kudu::client::GetShortVersionString() that is overridden so that the stub can be
-  # identified by the caller.
-  get_short_version_sig = "kudu::client::GetShortVersionString()"
-  nm_out = check_output([nm_path, "--defined-only", "-D", client_lib_path])
-  stub_build_dir = tempfile.mkdtemp()
-  stub_client_src_file = open(os.path.join(stub_build_dir, "kudu_client.cc"), "w")
-  try:
-    stub_client_src_file.write("""
-#include <string>
-
-static const std::string kFakeKuduVersion = "__IMPALA_KUDU_STUB__";
-
-static void KuduNotSupported() {
-    *((char*)0) = 0;
-}
-
-namespace kudu { namespace client {
-std::string GetShortVersionString() { return kFakeKuduVersion; }
-}}
-""")
-    found_start_version_symbol = False
-    cpp_filt_path = os.path.join(binutils_dir, "bin", "c++filt")
-    for line in nm_out.splitlines():
-      addr, sym_type, mangled_name = line.split(" ")
-      # Skip special functions an anything that isn't a strong symbol. Any symbols that
-      # get passed this check must be related to Kudu. If a symbol unrelated to Kudu
-      # (ex: a boost symbol) gets defined in the stub, there's a chance the symbol could
-      # get used and crash Impala.
-      if mangled_name in ["_init", "_fini"] or sym_type not in "Tt":
-        continue
-      demangled_name = check_output([cpp_filt_path, mangled_name]).strip()
-      assert "kudu" in demangled_name, \
-          "Symbol doesn't appear to be related to Kudu: " + demangled_name
-      if demangled_name == get_short_version_sig:
-        found_start_version_symbol = True
-        continue
-      stub_client_src_file.write("""
-extern "C" void %s() {
-  KuduNotSupported();
-}
-""" % mangled_name)
-
-    if not found_start_version_symbol:
-      raise Exception("Expected to find symbol a corresponding to"
-          " %s but it was not found." % get_short_version_sig)
-    stub_client_src_file.flush()
-
-    # The soname is needed to avoid problem in packaging builds. Without the soname,
-    # the library dependency as listed in the impalad binary will be a full path instead
-    # of a short name. Debian in particular has problems with packaging when that happens.
-    objdump_out = check_output([objdump_path, "-p", client_lib_path])
-    for line in objdump_out.splitlines():
-      if "SONAME" not in line:
-        continue
-      # The line that needs to be parsed should be something like:
-      # "  SONAME               libkudu_client.so.0"
-      so_name = line.split()[1]
-      break
-    else:
-      raise Exception("Unable to extract soname from %s" % client_lib_path)
-
-    # Compile the library.
-    stub_client_lib_path = os.path.join(stub_build_dir, "libkudu_client.so")
-    toolchain_packages_home = os.environ.get("IMPALA_TOOLCHAIN_PACKAGES_HOME")
-    gpp = os.path.join(
-        toolchain_packages_home, "gcc-%s" % os.environ.get("IMPALA_GCC_VERSION"),
-        "bin", "g++")
-    subprocess.check_call([gpp, stub_client_src_file.name, "-shared", "-fPIC",
-        "-Wl,-soname,%s" % so_name, "-o", stub_client_lib_path])
-
-    # Replace the real libs with the stub.
-    for client_lib_path in client_lib_paths:
-      shutil.copyfile(stub_client_lib_path, client_lib_path)
-  finally:
-    shutil.rmtree(stub_build_dir)
-
-
 def execute_many(f, args):
   """
   Executes f(a) for a in args using a threadpool to execute in parallel.
@@ -581,16 +469,9 @@ def get_hadoop_downloads():
   return cluster_components
 
 
-def get_kudu_downloads(use_kudu_stub):
-  # If Kudu is not supported, we download centos7 kudu to build the kudu stub.
-  kudu_downloads = []
-  if use_kudu_stub:
-    kudu_downloads += [ToolchainKudu("centos7")]
-  else:
-    # Toolchain Kudu includes Java artifacts.
-    kudu_downloads += [ToolchainKudu()]
-
-  return kudu_downloads
+def get_kudu_downloads():
+  # Toolchain Kudu includes Java artifacts.
+  return [ToolchainKudu()]
 
 
 def main():
@@ -608,8 +489,6 @@ def main():
   Hadoop component packages are only downloaded if $DOWNLOAD_CDH_COMPONENTS is true. The
   versions used for Hadoop components come from the CDP versions based on the
   $CDP_BUILD_NUMBER. CDP Hadoop packages are downloaded into $CDP_COMPONENTS_HOME.
-  If Kudu is not supported on this platform (or KUDU_IS_SUPPORTED=false), then this
-  builds a Kudu stub to allow for compilation without Kudu support.
   """
   logging.basicConfig(level=logging.INFO,
       format='%(asctime)s %(threadName)s %(levelname)s: %(message)s')
@@ -624,14 +503,12 @@ def main():
   # Create the toolchain directory if necessary
   create_directory_from_env_var("IMPALA_TOOLCHAIN_PACKAGES_HOME")
 
-  use_kudu_stub = os.environ["KUDU_IS_SUPPORTED"] != "true"
-
   downloads = []
   downloads += get_toolchain_downloads()
   kudu_download = None
   if os.getenv("DOWNLOAD_CDH_COMPONENTS", "false") == "true":
     create_directory_from_env_var("CDP_COMPONENTS_HOME")
-    downloads += get_kudu_downloads(use_kudu_stub)
+    downloads += get_kudu_downloads()
     downloads += get_hadoop_downloads()
 
   components_needing_download = [d for d in downloads if d.needs_download()]
@@ -641,11 +518,5 @@ def main():
 
   execute_many(download, components_needing_download)
 
-  if use_kudu_stub:
-    # Find the kudu package directory and the gcc package directory
-    kudu_download = [d for d in downloads if d.name == 'kudu'][0]
-    gcc_download = [d for d in downloads if d.name == 'gcc'][0]
-    build_kudu_stub(kudu_download.pkg_directory(), gcc_download.pkg_directory())
-
 
 if __name__ == "__main__": main()

bin/impala-config.sh

@@ -643,19 +643,6 @@ fi
 # overall build type) and does not apply when using a local Kudu build.
 export USE_KUDU_DEBUG_BUILD=${USE_KUDU_DEBUG_BUILD-false}
 
-# Kudu doesn't compile on some old Linux distros. KUDU_IS_SUPPORTED enables building Kudu
-# into the backend.
-if [[ -z "${KUDU_IS_SUPPORTED-}" ]]; then
-  if [[ -n "$KUDU_BUILD_DIR" ]]; then
-    KUDU_IS_SUPPORTED=true
-  elif $IS_OSX; then
-    KUDU_IS_SUPPORTED=false
-  else
-    KUDU_IS_SUPPORTED=true
-  fi
-fi
-export KUDU_IS_SUPPORTED
-
 export IMPALA_KUDU_VERSION=${IMPALA_KUDU_VERSION-"d652cab17"}
 export IMPALA_KUDU_JAVA_VERSION=${IMPALA_KUDU_JAVA_VERSION-"1.13.0-SNAPSHOT"}
 export IMPALA_KUDU_HOME=${IMPALA_TOOLCHAIN_PACKAGES_HOME}/kudu-$IMPALA_KUDU_VERSION

common/thrift/generate_error_codes.py

@@ -233,7 +233,7 @@ error_codes = (
 
   ("IMPALA_KUDU_TYPE_MISSING", 73, "Impala type $0 is not available in Kudu."),
 
-  ("KUDU_NOT_SUPPORTED_ON_OS", 74, "Kudu is not supported on this operating system."),
+  ("KUDU_NOT_SUPPORTED_ON_OS", 74, "Not in use."),
 
   ("KUDU_NOT_ENABLED", 75, "Kudu features are disabled by the startup flag "
    "--disable_kudu."),

docker/entrypoint.sh

@@ -198,18 +198,16 @@ function start_minicluster {
   # presumably because there's only one layer involved. See
   # https://issues.apache.org/jira/browse/KUDU-1419.
   set -x
-  if [ "true" = $KUDU_IS_SUPPORTED ]; then
-    pushd /home/impdev/Impala/testdata
-    for x in cluster/cdh*/node-*/var/lib/kudu/*/wal; do
-      echo $x
-      # This mv takes time, as it's actually copying into the latest layer.
-      mv $x $x-orig
-      mkdir $x
-      mv $x-orig/* $x
-      rmdir $x-orig
-    done
-    popd
-  fi
+  pushd /home/impdev/Impala/testdata
+  for x in cluster/cdh*/node-*/var/lib/kudu/*/wal; do
+    echo $x
+    # This mv takes time, as it's actually copying into the latest layer.
+    mv $x $x-orig
+    mkdir $x
+    mv $x-orig/* $x
+    rmdir $x-orig
+  done
+  popd
 
   # Wait for postgresql to really start; if it doesn't, Hive Metastore will fail to start.
   for i in {1..120}; do

fe/src/main/java/org/apache/impala/common/RuntimeEnv.java

@@ -51,9 +51,6 @@ public class RuntimeEnv {
   public void setNumCores(int numCores) { this.numCores_ = numCores; }
   public void setTestEnv(boolean v) { isTestEnv_ = v; }
   public boolean isTestEnv() { return isTestEnv_; }
-  public boolean isKuduSupported() {
-    return "true".equals(System.getenv("KUDU_IS_SUPPORTED"));
-  }
   public boolean isMtDopValidationEnabled() { return enableMtDopValidation_; }
   public void setEnableMtDopValidation(boolean v) { enableMtDopValidation_ = v; }
 

fe/src/test/java/org/apache/impala/analysis/AnalyzeDDLTest.java

@@ -1044,10 +1044,8 @@ public class AnalyzeDDLTest extends FrontendTestBase {
         "int_col ('numNulls'='2')");
     AnalyzesOk("alter table functional.alltypes_datasource set column stats " +
         "int_col ('numDVs'='2')");
-    if (RuntimeEnv.INSTANCE.isKuduSupported()) {
-      AnalyzesOk("alter table functional_kudu.testtbl set column stats " +
-          "name ('numNulls'='2')");
-    }
+    AnalyzesOk("alter table functional_kudu.testtbl set column stats " +
+        "name ('numNulls'='2')");
 
     // Table does not exist.
     AnalysisError("alter table bad_tbl set column stats int_col ('numNulls'='2')",

fe/src/test/java/org/apache/impala/analysis/AnalyzeKuduDDLTest.java

@@ -72,7 +72,6 @@ public class AnalyzeKuduDDLTest extends FrontendTestBase {
   }
 
   private void testDDlsOnKuduTable(boolean isExternalPurgeTbl) {
-    TestUtils.assumeKuduIsSupported();
     // Test primary keys and partition by clauses
     AnalyzesOk("create table tab (x int primary key) partition by hash(x) " +
         "partitions 8 stored as kudu", isExternalPurgeTbl);
@@ -524,7 +523,6 @@ public class AnalyzeKuduDDLTest extends FrontendTestBase {
 
   @Test
   public void TestCreateExternalKuduTable() {
-    TestUtils.assumeKuduIsSupported();
     final String kuduMasters = catalog_.getDefaultKuduMasterHosts();
     AnalyzesOk("create external table t stored as kudu " +
         "tblproperties('kudu.table_name'='t')");
@@ -592,7 +590,6 @@ public class AnalyzeKuduDDLTest extends FrontendTestBase {
 
   @Test
   public void TestAlterKuduTable() {
-    TestUtils.assumeKuduIsSupported();
     // ALTER TABLE ADD/DROP range partitions
     String[] addDrop = {"add if not exists", "add", "drop if exists", "drop"};
     for (String kw: addDrop) {

fe/src/test/java/org/apache/impala/analysis/AnalyzeModifyStmtsTest.java

@@ -30,7 +30,6 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestFromListAliases() {
-    TestUtils.assumeKuduIsSupported();
     AnalysisError("update a.name set a.name = 'Oskar' from functional_kudu.testtbl a",
         "'a.name' is not a table alias. Using the FROM clause requires the target table" +
             " to be a table alias.");
@@ -83,7 +82,6 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestUpdate() {
-    TestUtils.assumeKuduIsSupported();
     AnalyzesOk("update functional_kudu.dimtbl set name = 'Oskar'");
     // Correct default database resolution
     AnalyzesOk("update dimtbl set name = 'Oskar'",
@@ -142,7 +140,6 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestWhereClause() {
-    TestUtils.assumeKuduIsSupported();
     // With where clause
     AnalyzesOk("update functional_kudu.dimtbl set name = '10' where name = '11'");
     // Complex where clause
@@ -156,7 +153,6 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestWithSourceStmtRewrite() {
-    TestUtils.assumeKuduIsSupported();
     // No subqueries in set statement as we cannot translate them into subqueries in
     // the select list
     AnalysisError(
@@ -178,7 +174,6 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestWithJoin() {
-    TestUtils.assumeKuduIsSupported();
     // Simple Join
     AnalyzesOk(
         "update a set a.name = b.name FROM functional_kudu.testtbl a join functional" +
@@ -214,14 +209,12 @@ public class AnalyzeModifyStmtsTest extends AnalyzerTest {
 
   @Test
   public void TestNoViewModification() {
-    TestUtils.assumeKuduIsSupported();
     AnalysisError("update functional.alltypes_view set id = 10", "Cannot modify view");
     AnalysisError("delete functional.alltypes_view", "Cannot modify view");
   }
 
   @Test
   public void TestNoNestedTypes() {
-    TestUtils.assumeKuduIsSupported();
     AnalysisError(
         "update a set c.item = 10 FROM functional_kudu.testtbl a, functional" +
         ".allcomplextypes b, b.int_array_col c",

fe/src/test/java/org/apache/impala/analysis/AnalyzeStmtsTest.java

@@ -3441,14 +3441,12 @@ public class AnalyzeStmtsTest extends AnalyzerTest {
         "uncorrelated one 'functional.alltypestiny':\n" +
         "SELECT item FROM b.int_array_col, functional.alltypestiny");
 
-    if (RuntimeEnv.INSTANCE.isKuduSupported()) {
-      // Key columns missing from permutation
-      AnalysisError("insert into functional_kudu.testtbl(zip) values(1)",
-          "All primary key columns must be specified for INSERTing into Kudu tables. " +
-          "Missing columns are: id");
-      // Mixed column name case, on both primary key and non-primary key cols.
-      AnalyzesOk("insert into functional_kudu.alltypes (ID, BOOL_COL) values (0, true)");
-    }
+    // Key columns missing from permutation
+    AnalysisError("insert into functional_kudu.testtbl(zip) values(1)",
+        "All primary key columns must be specified for INSERTing into Kudu tables. " +
+        "Missing columns are: id");
+    // Mixed column name case, on both primary key and non-primary key cols.
+    AnalyzesOk("insert into functional_kudu.alltypes (ID, BOOL_COL) values (0, true)");
 
     addTestDb("d", null);
     addTestTable("create table d.dec1 (c decimal(38,37)) location '/'");

fe/src/test/java/org/apache/impala/analysis/AnalyzeUpsertStmtTest.java

@@ -23,7 +23,6 @@ import org.junit.Test;
 public class AnalyzeUpsertStmtTest extends AnalyzerTest {
   @Test
   public void TestUpsert() {
-    TestUtils.assumeKuduIsSupported();
     // VALUES clause
     AnalyzesOk("upsert into table functional_kudu.testtbl values(1, 'a', 1)");
     AnalyzesOk("upsert into table functional_kudu.testtbl(id) values(1)");

fe/src/test/java/org/apache/impala/analysis/AuditingKuduTest.java

@@ -37,7 +37,6 @@ import org.junit.Test;
 public class AuditingKuduTest extends FrontendTestBase {
   @Test
   public void TestKuduStatements() throws AuthorizationException, AnalysisException {
-    TestUtils.assumeKuduIsSupported();
     // Select
     Set<TAccessEvent> accessEvents =
         AnalyzeAccessEvents("select * from functional_kudu.testtbl");

fe/src/test/java/org/apache/impala/analysis/ExprRewriterTest.java

@@ -160,18 +160,16 @@ public class ExprRewriterTest extends AnalyzerTest {
     RewritesOk("insert into functional.alltypes (id, int_col, float_col, bigint_col) " +
       "partition(year=2009,month=10) " + stmt_, 23, 11);
 
-    if (RuntimeEnv.INSTANCE.isKuduSupported()) {
-      // Update.
-      RewritesOk("update t2 set name = 'test' from " +
-          "functional.alltypes t1 join functional_kudu.dimtbl t2 on (t1.id = t2.id) " +
-          "where t2.id < 10", 10, 5);
-      RewritesOk("update functional_kudu.dimtbl set name = 'test', zip = 4711 " +
-          "where exists (" + stmt_ + ")", 28, 16);
-      // Delete.
-      RewritesOk("delete a from " +
-          "functional_kudu.testtbl a join functional.testtbl b on a.zip = b.zip", 4, 2);
-      RewritesOk("delete functional_kudu.testtbl where exists (" + stmt_ + ")", 24, 12);
-    }
+    // Update.
+    RewritesOk("update t2 set name = 'test' from " +
+        "functional.alltypes t1 join functional_kudu.dimtbl t2 on (t1.id = t2.id) " +
+        "where t2.id < 10", 10, 5);
+    RewritesOk("update functional_kudu.dimtbl set name = 'test', zip = 4711 " +
+        "where exists (" + stmt_ + ")", 28, 16);
+    // Delete.
+    RewritesOk("delete a from " +
+        "functional_kudu.testtbl a join functional.testtbl b on a.zip = b.zip", 4, 2);
+    RewritesOk("delete functional_kudu.testtbl where exists (" + stmt_ + ")", 24, 12);
   }
 
   /**
@@ -327,27 +325,25 @@ public class ExprRewriterTest extends AnalyzerTest {
         "INSERT INTO TABLE functional.alltypes(id) " +
         "PARTITION (`year`=2009, `month`=10) SELECT 2");
 
-    if (RuntimeEnv.INSTANCE.isKuduSupported()) {
-      // Update.
-      assertToSql(ctx,
-          "update functional_kudu.alltypes "
-              + "set string_col = 'test' where id = (select 1 + 1)",
-          "UPDATE functional_kudu.alltypes SET string_col = 'test' "
-              + "FROM functional_kudu.alltypes WHERE id = (SELECT 1 + 1)",
-          "UPDATE functional_kudu.alltypes SET string_col = 'test' "
-              + "FROM functional_kudu.alltypes LEFT SEMI JOIN (SELECT 2) `$a$1` (`$c$1`) "
-              + "ON id = `$a$1`.`$c$1` WHERE id = (SELECT 2)");
+    // Update.
+    assertToSql(ctx,
+        "update functional_kudu.alltypes "
+            + "set string_col = 'test' where id = (select 1 + 1)",
+        "UPDATE functional_kudu.alltypes SET string_col = 'test' "
+            + "FROM functional_kudu.alltypes WHERE id = (SELECT 1 + 1)",
+        "UPDATE functional_kudu.alltypes SET string_col = 'test' "
+            + "FROM functional_kudu.alltypes LEFT SEMI JOIN (SELECT 2) `$a$1` (`$c$1`) "
+            + "ON id = `$a$1`.`$c$1` WHERE id = (SELECT 2)");
 
-      // Delete
-      assertToSql(ctx,
-          "delete functional_kudu.alltypes "
-              + "where id = (select 1 + 1)",
-          "DELETE FROM functional_kudu.alltypes "
-              + "WHERE id = (SELECT 1 + 1)",
-          "DELETE functional_kudu.alltypes "
-              + "FROM functional_kudu.alltypes LEFT SEMI JOIN (SELECT 2) `$a$1` (`$c$1`) "
-              + "ON id = `$a$1`.`$c$1` WHERE id = (SELECT 2)");
-    }
+    // Delete
+    assertToSql(ctx,
+        "delete functional_kudu.alltypes "
+            + "where id = (select 1 + 1)",
+        "DELETE FROM functional_kudu.alltypes "
+            + "WHERE id = (SELECT 1 + 1)",
+        "DELETE functional_kudu.alltypes "
+            + "FROM functional_kudu.alltypes LEFT SEMI JOIN (SELECT 2) `$a$1` (`$c$1`) "
+            + "ON id = `$a$1`.`$c$1` WHERE id = (SELECT 2)");
 
     // We don't do any rewrite for WITH clause.
     StatementBase stmt = (StatementBase) AnalyzesOk("with t as (select 1 + 1) " +

fe/src/test/java/org/apache/impala/analysis/ParserTest.java

@@ -1872,7 +1872,6 @@ public class ParserTest extends FrontendTestBase {
 
   @Test
   public void TestKuduUpdate() {
-    //TestUtils.assumeKuduIsSupported();
     ParserError("update (select * from functional_kudu.testtbl) a set name = '10'");
   }
 

fe/src/test/java/org/apache/impala/analysis/ToSqlTest.java

@@ -1063,7 +1063,6 @@ public class ToSqlTest extends FrontendTestBase {
 
   @Test
   public void TestUpdate() {
-    TestUtils.assumeKuduIsSupported();
     testToSql("update functional_kudu.dimtbl set name = '10' where name < '11'",
         "UPDATE functional_kudu.dimtbl SET name = '10' FROM functional_kudu.dimtbl " +
             "WHERE name < '11'");
@@ -1086,7 +1085,6 @@ public class ToSqlTest extends FrontendTestBase {
 
   @Test
   public void TestDelete() {
-    TestUtils.assumeKuduIsSupported();
     testToSql("delete functional_kudu.testtbl where zip = 10",
         "DELETE FROM functional_kudu.testtbl WHERE zip = 10");
     testToSql("delete from functional_kudu.testtbl where zip = 10",

fe/src/test/java/org/apache/impala/planner/PlannerTest.java

@@ -611,7 +611,6 @@ public class PlannerTest extends PlannerTestBase {
 
   @Test
   public void testKudu() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     TQueryOptions options = defaultQueryOptions();
     options.setEnabled_runtime_filter_types(TEnabledRuntimeFilterTypes.ALL);
     addTestDb("kudu_planner_test", "Test DB for Kudu Planner.");
@@ -622,13 +621,11 @@ public class PlannerTest extends PlannerTestBase {
 
   @Test
   public void testKuduUpsert() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     runPlannerTestFile("kudu-upsert");
   }
 
   @Test
   public void testKuduUpdate() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     TQueryOptions options = defaultQueryOptions();
     options.setEnabled_runtime_filter_types(TEnabledRuntimeFilterTypes.ALL);
     runPlannerTestFile("kudu-update", options);
@@ -636,13 +633,11 @@ public class PlannerTest extends PlannerTestBase {
 
   @Test
   public void testKuduDelete() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     runPlannerTestFile("kudu-delete");
   }
 
   @Test
   public void testKuduSelectivity() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     TQueryOptions options = defaultQueryOptions();
     options.setExplain_level(TExplainLevel.VERBOSE);
     runPlannerTestFile("kudu-selectivity", options);
@@ -650,7 +645,6 @@ public class PlannerTest extends PlannerTestBase {
 
   @Test
   public void testKuduTpch() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
     TQueryOptions options = defaultQueryOptions();
     options.setEnabled_runtime_filter_types(TEnabledRuntimeFilterTypes.ALL);
     runPlannerTestFile("tpch-kudu", options,

fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java

@@ -108,9 +108,7 @@ public class PlannerTestBase extends FrontendTestBase {
     updateReq.setNum_executors(3);
     ExecutorMembershipSnapshot.update(updateReq);
 
-    if (RuntimeEnv.INSTANCE.isKuduSupported()) {
-      kuduClient_ = new KuduClient.KuduClientBuilder("127.0.0.1:7051").build();
-    }
+    kuduClient_ = new KuduClient.KuduClientBuilder("127.0.0.1:7051").build();
     String logDir = System.getenv("IMPALA_FE_TEST_LOGS_DIR");
     if (logDir == null) logDir = "/tmp";
     outDir_ = Paths.get(logDir, "PlannerTest");

fe/src/test/java/org/apache/impala/testutil/TestUtils.java

@@ -394,10 +394,6 @@ public class TestUtils {
     return sw.toString();
   }
 
-  public static void assumeKuduIsSupported() {
-    Assume.assumeTrue(RuntimeEnv.INSTANCE.isKuduSupported());
-  }
-
   /**
    * Returns the hive major version from environment
    */

infra/python/bootstrap_virtualenv.py

@@ -277,14 +277,10 @@ def install_adls_deps():
 def install_kudu_client_if_possible():
   '''Installs the Kudu python module if possible, which depends on the toolchain and
   the compiled requirements in compiled-requirements.txt. If the toolchain isn't
-  available, nothing will be done. Also nothing will be done if the Kudu client lib
-  required by the module isn't available (as determined by KUDU_IS_SUPPORTED)'''
+  available, nothing will be done.'''
   if reqs_are_installed(KUDU_REQS_PATH):
     LOG.debug("Skipping Kudu: matching kudu-installed-requirements.txt found")
     return
-  if os.environ["KUDU_IS_SUPPORTED"] != "true":
-    LOG.debug("Skipping Kudu: Kudu is not supported")
-    return
   kudu_base_dir = os.environ["IMPALA_KUDU_HOME"]
   if not os.path.exists(kudu_base_dir):
     LOG.debug("Skipping Kudu: %s doesn't exist" % kudu_base_dir)

testdata/bin/compute-table-stats.sh

@@ -44,7 +44,4 @@ fi
 ${COMPUTE_STATS_SCRIPT} --db_names=tpch,tpch_parquet,tpch_orc_def \
     --table_names=customer,lineitem,nation,orders,part,partsupp,region,supplier
 ${COMPUTE_STATS_SCRIPT} --db_names=tpch_nested_parquet,tpcds,tpcds_parquet
-
-if "$KUDU_IS_SUPPORTED"; then
-  ${COMPUTE_STATS_SCRIPT} --db_names=functional_kudu,tpch_kudu
-fi
+${COMPUTE_STATS_SCRIPT} --db_names=functional_kudu,tpch_kudu

testdata/bin/create-load-data.sh

@@ -638,7 +638,7 @@ elif [ "${TARGET_FILESYSTEM}" = "hdfs" ];  then
       load-data "functional-query" "core" "hbase/none"
 fi
 
-if [[ $SKIP_METADATA_LOAD -eq 1 && $KUDU_IS_SUPPORTED ]]; then
+if [[ $SKIP_METADATA_LOAD -eq 1 ]]; then
   # Tests depend on the kudu data being clean, so load the data from scratch.
   # This is only necessary if this is not a full dataload, because a full dataload
   # already loads Kudu functional and TPC-H tables from scratch.

testdata/cluster/admin

@@ -62,9 +62,7 @@ else
   # the other services could work after the proper configuration changes.
   SUPPORTED_SERVICES=()
 fi
-if $KUDU_IS_SUPPORTED; then
-  SUPPORTED_SERVICES+=(kudu)
-fi
+SUPPORTED_SERVICES+=(kudu)
 
 # All DataNodes and NodeManagers need a unique but fixed address. The IP is fixed at
 # 127.0.0.1, so the only difference is the port. The address must be fixed because it is

tests/common/kudu_test_suite.py

@@ -75,9 +75,6 @@ class KuduTestSuite(ImpalaTestSuite):
 
   @classmethod
   def setup_class(cls):
-    if os.environ["KUDU_IS_SUPPORTED"] == "false":
-      pytest.skip("Kudu is not supported")
-
     super(KuduTestSuite, cls).setup_class()
 
   @classmethod

tests/common/skip.py

@@ -106,8 +106,6 @@ class SkipIfADLS:
       reason="The client is slow to realize changes to file metadata")
 
 class SkipIfKudu:
-  unsupported_env = pytest.mark.skipif(os.environ["KUDU_IS_SUPPORTED"] == "false",
-      reason="Kudu is not supported in this environment")
   no_hybrid_clock = pytest.mark.skipif(
       get_kudu_master_flag("--use_hybrid_clock") == "false",
       reason="Test relies on --use_hybrid_clock=true in Kudu.")
@@ -118,8 +116,6 @@ class SkipIfKudu:
 class SkipIf:
   skip_hbase = pytest.mark.skipif(pytest.config.option.skip_hbase,
       reason="--skip_hbase argument specified")
-  kudu_not_supported = pytest.mark.skipif(os.environ["KUDU_IS_SUPPORTED"] == "false",
-      reason="Kudu is not supported")
   not_s3 = pytest.mark.skipif(not IS_S3, reason="S3 Filesystem needed")
   not_hdfs = pytest.mark.skipif(not IS_HDFS, reason="HDFS Filesystem needed")
   not_ec = pytest.mark.skipif(not IS_EC, reason="Erasure Coding needed")

tests/common/test_dimensions.py

@@ -29,9 +29,7 @@ WORKLOAD_DIR = os.environ['IMPALA_WORKLOAD_DIR']
 # of what specific table format to target along with the exec options (num_nodes, etc)
 # to use when running the query.
 class TableFormatInfo(object):
-  KNOWN_FILE_FORMATS = ['text', 'seq', 'rc', 'parquet', 'orc', 'avro', 'hbase']
-  if os.environ['KUDU_IS_SUPPORTED'] == 'true':
-    KNOWN_FILE_FORMATS.append('kudu')
+  KNOWN_FILE_FORMATS = ['text', 'seq', 'rc', 'parquet', 'orc', 'avro', 'hbase', 'kudu']
   KNOWN_COMPRESSION_CODECS = ['none', 'snap', 'gzip', 'bzip', 'def', 'zstd', 'lz4']
   KNOWN_COMPRESSION_TYPES = ['none', 'block', 'record']
 
@@ -255,10 +253,6 @@ def load_table_info_dimension(workload_name, exploration_strategy, file_formats=
       vals = dict((key.strip(), value.strip()) for key, value in\
           (item.split(':') for item in line.split(',')))
 
-      # Skip Kudu if Kudu is not supported (IMPALA-4287).
-      if os.environ['KUDU_IS_SUPPORTED'] != 'true' and vals['file_format'] == 'kudu':
-        continue
-
       # If only loading specific file formats skip anything that doesn't match
       if file_formats is not None and vals['file_format'] not in file_formats:
         continue

tests/comparison/leopard/impala_docker_env.py

@@ -300,28 +300,27 @@ class ImpalaDockerEnv(object):
     # incompatibility with Kudu. First we have to get test data off the container, store
     # it somewhere, and then start another container using docker -v and mount the test
     # data as a volume to bypass AUFS. See also the README for Leopard.
-    if os.environ.get('KUDU_IS_SUPPORTED') == 'true':
-      LOG.info('Warming testdata cluster external volume')
-      self.start_new_container()
-      with settings(
-          warn_only=True,
-          host_string=self.host,
-          user=self.host_username,
-      ):
-        sudo(
-            'mkdir -p {host_testdata_path} && '
-            'rsync -e "ssh -i {priv_key} -o StrictHostKeyChecking=no '
-            ''         '-o UserKnownHostsFile=/dev/null -p {ssh_port}" '
-            '--delete --archive --verbose --progress '
-            '{user}@127.0.0.1:{container_testdata_path} {host_testdata_path} && '
-            'chown -R {uid}:{gid} {host_testdata_path}'.format(
-                host_testdata_path=HOST_TESTDATA_EXTERNAL_VOLUME_PATH,
-                priv_key=HOST_TO_DOCKER_SSH_KEY,
-                ssh_port=self.ssh_port,
-                uid=DOCKER_IMPALA_USER_UID,
-                gid=DOCKER_IMPALA_USER_GID,
-                user=DOCKER_USER_NAME,
-                container_testdata_path=DOCKER_TESTDATA_VOLUME_PATH))
+    LOG.info('Warming testdata cluster external volume')
+    self.start_new_container()
+    with settings(
+        warn_only=True,
+        host_string=self.host,
+        user=self.host_username,
+    ):
+      sudo(
+          'mkdir -p {host_testdata_path} && '
+          'rsync -e "ssh -i {priv_key} -o StrictHostKeyChecking=no '
+          ''         '-o UserKnownHostsFile=/dev/null -p {ssh_port}" '
+          '--delete --archive --verbose --progress '
+          '{user}@127.0.0.1:{container_testdata_path} {host_testdata_path} && '
+          'chown -R {uid}:{gid} {host_testdata_path}'.format(
+              host_testdata_path=HOST_TESTDATA_EXTERNAL_VOLUME_PATH,
+              priv_key=HOST_TO_DOCKER_SSH_KEY,
+              ssh_port=self.ssh_port,
+              uid=DOCKER_IMPALA_USER_UID,
+              gid=DOCKER_IMPALA_USER_GID,
+              user=DOCKER_USER_NAME,
+              container_testdata_path=DOCKER_TESTDATA_VOLUME_PATH))
       self.stop_docker()
       volume_map = {
           HOST_TESTDATA_EXTERNAL_VOLUME_PATH: DOCKER_TESTDATA_VOLUME_PATH,

tests/metadata/test_ddl.py

@@ -308,7 +308,6 @@ class TestDdlStatements(TestDdlBase):
     self.run_test_case('QueryTest/create-table-as-select', vector,
         use_db=unique_database, multiple_impalad=self._use_multiple_impalad(vector))
 
-  @SkipIf.kudu_not_supported
   @UniqueDatabase.parametrize(sync_ddl=True)
   @SkipIfKudu.no_hybrid_clock
   def test_create_kudu(self, vector, unique_database):

tests/metadata/test_show_create_table.py

@@ -277,7 +277,6 @@ class TestInfraCompat(ImpalaTestSuite):
                              'l_receiptdate', 'l_shipinstruct', 'l_shipmode',
                              'l_comment')}]
 
-  @SkipIf.kudu_not_supported
   @pytest.mark.parametrize('table_primary_keys_map', TABLE_PRIMARY_KEYS_MAPS)
   def test_primary_key_parse(self, impala_testinfra_cursor, table_primary_keys_map):
     """
@@ -288,7 +287,6 @@ class TestInfraCompat(ImpalaTestSuite):
     assert impala_testinfra_cursor._fetch_primary_key_names(
         table_primary_keys_map['table']) == table_primary_keys_map['primary_keys']
 
-  @SkipIf.kudu_not_supported
   @pytest.mark.parametrize('table_primary_keys_map', TABLE_PRIMARY_KEYS_MAPS)
   def test_load_table_with_primary_key_attr(self, impala_testinfra_cursor,
                                             table_primary_keys_map):

tests/query_test/test_resource_limits.py

@@ -16,7 +16,7 @@
 # under the License.
 
 from tests.common.impala_test_suite import ImpalaTestSuite
-from tests.common.skip import SkipIfEC, SkipIfKudu, SkipIfLocal, SkipIfS3, SkipIfABFS, \
+from tests.common.skip import SkipIfEC, SkipIfLocal, SkipIfS3, SkipIfABFS, \
     SkipIfADLS
 from tests.common.test_dimensions import create_parquet_dimension
 
@@ -52,7 +52,6 @@ class TestResourceLimits(ImpalaTestSuite):
   def test_resource_limits_hbase(self, vector):
     self.run_test_case('QueryTest/query-resource-limits-hbase', vector)
 
-  @SkipIfKudu.unsupported_env
   @SkipIfLocal.multiple_impalad
   def test_resource_limits_kudu(self, vector):
     self.run_test_case('QueryTest/query-resource-limits-kudu', vector)

tests/shell/test_shell_commandline.py

@@ -754,7 +754,6 @@ class TestImpalaShell(ImpalaTestSuite):
         (expected_rows_modified, expected_row_errors)
     assert expected_output in results.stderr, results.stderr
 
-  @SkipIf.kudu_not_supported
   def test_kudu_dml_reporting(self, vector, unique_database):
     db = unique_database
     run_impala_shell_cmd(vector, [