Example #1
0
def run_mpack_install_checker(options, mpack_stacks):
    """
  Run MpackInstallChecker to validate that there is no cluster deployed with a stack that is not included in the management pack
  :param options: Options passed
  :param mpack_stacks: List of stacks included in the management pack
  :return: Output of MpackInstallChecker
  """
    properties = get_ambari_properties()
    database_type = properties[JDBC_DATABASE_PROPERTY]
    jdk_path = get_java_exe_path()

    if not jdk_path or not database_type:
        # Ambari Server has not been setup, so no cluster would be present
        return (0, "", "")

    parse_properties_file(options)
    options.database_index = LINUX_DBMS_KEYS_LIST.index(
        properties[JDBC_DATABASE_PROPERTY])
    ensure_jdbc_driver_is_installed(options, properties)

    serverClassPath = ServerClassPath(properties, options)
    class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

    command = MPACK_INSTALL_CHECKER_CMD.format(jdk_path, class_path,
                                               ",".join(mpack_stacks))

    ambari_user = read_ambari_user()
    current_user = ensure_can_start_under_current_user(ambari_user)
    environ = generate_env(options, ambari_user, current_user)

    return run_os_command(command, env=environ)
Example #2
0
def migrate_ldap_pam(args):
  properties = get_ambari_properties()

  if get_value_from_properties(properties,CLIENT_SECURITY,"") != 'pam':
    err = "PAM is not configured. Please configure PAM authentication first."
    raise FatalException(1, err)

  db_title = get_db_type(properties).title
  confirm = get_YN_input("Ambari Server configured for %s. Confirm "
                        "you have made a backup of the Ambari Server database [y/n] (y)? " % db_title, True)

  if not confirm:
    print_error_msg("Database backup is not confirmed")
    return 1

  jdk_path = get_java_exe_path()
  if jdk_path is None:
    print_error_msg("No JDK found, please run the \"setup\" "
                    "command to install a JDK automatically or install any "
                    "JDK manually to " + configDefaults.JDK_INSTALL_DIR)
    return 1

  # At this point, the args does not have the ambari database information.
  # Augment the args with the correct ambari database information
  parse_properties_file(args)

  ensure_jdbc_driver_is_installed(args, properties)

  print 'Migrating LDAP Users & Groups to PAM'

  serverClassPath = ServerClassPath(properties, args)
  class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

  command = LDAP_TO_PAM_MIGRATION_HELPER_CMD.format(jdk_path, class_path)

  ambari_user = read_ambari_user()
  current_user = ensure_can_start_under_current_user(ambari_user)
  environ = generate_env(args, ambari_user, current_user)

  (retcode, stdout, stderr) = run_os_command(command, env=environ)
  print_info_msg("Return code from LDAP to PAM migration command, retcode = " + str(retcode))
  if stdout:
    print "Console output from LDAP to PAM migration command:"
    print stdout
    print
  if stderr:
    print "Error output from LDAP to PAM migration command:"
    print stderr
    print
  if retcode > 0:
    print_error_msg("Error executing LDAP to PAM migration, please check the server logs.")
  else:
    print_info_msg('LDAP to PAM migration completed')
  return retcode
Example #3
0
def check_database(options):
    logger.info("Check database consistency.")
    jdk_path = serverConfiguration.get_java_exe_path()

    if jdk_path is None:
        print_error_msg(
            "No JDK found, please run the \"setup\" "
            "command to install a JDK automatically or install any "
            "JDK manually to " + configDefaults.JDK_INSTALL_DIR)
        sys.exit(1)

    properties = serverConfiguration.get_ambari_properties()
    serverConfiguration.parse_properties_file(options)

    database_type = properties[JDBC_DATABASE_PROPERTY]
    if not database_type:
        print_error_msg("Please run \"ambari-server setup\" command"
                        " to initialize ambari db properties.")
        sys.exit(1)

    options.database_index = LINUX_DBMS_KEYS_LIST.index(
        properties[JDBC_DATABASE_PROPERTY])

    dbConfiguration.ensure_jdbc_driver_is_installed(
        options, serverConfiguration.get_ambari_properties())

    serverClassPath = ServerClassPath(
        serverConfiguration.get_ambari_properties(), options)
    class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

    command = CHECK_DATABASE_HELPER_CMD.format(jdk_path, class_path)

    ambari_user = serverConfiguration.read_ambari_user()
    current_user = setupSecurity.ensure_can_start_under_current_user(
        ambari_user)
    environ = setupSecurity.generate_env(options, ambari_user, current_user)

    (retcode, stdout, stderr) = os_utils.run_os_command(command, env=environ)

    if retcode > 0:
        print str(stdout)
        raise FatalException(
            1, 'Database check failed to complete. Please check ' +
            configDefaults.SERVER_LOG_FILE + ' and ' +
            configDefaults.DB_CHECK_LOG + ' for more information.')
    else:
        print str(stdout)
        if not stdout.startswith("No errors"):
            print "Ambari Server 'check-database' completed"
            sys.exit(1)
Example #4
0
def check_database(options):

    jdk_path = serverConfiguration.get_java_exe_path()

    if jdk_path is None:
        print_error_msg(
            "No JDK found, please run the \"setup\" "
            "command to install a JDK automatically or install any "
            "JDK manually to " + configDefaults.JDK_INSTALL_DIR)
        sys.exit(1)

    properties = serverConfiguration.get_ambari_properties()
    serverConfiguration.parse_properties_file(options)
    options.database_index = LINUX_DBMS_KEYS_LIST.index(
        properties[JDBC_DATABASE_PROPERTY])

    dbConfiguration.ensure_jdbc_driver_is_installed(
        options, serverConfiguration.get_ambari_properties())

    serverClassPath = ServerClassPath(
        serverConfiguration.get_ambari_properties(), options)
    class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

    command = CHECK_DATABASE_HELPER_CMD.format(jdk_path, class_path)

    ambari_user = serverConfiguration.read_ambari_user()
    current_user = setupSecurity.ensure_can_start_under_current_user(
        ambari_user)
    environ = setupSecurity.generate_env(options, ambari_user, current_user)

    (retcode, stdout, stderr) = os_utils.run_os_command(command, env=environ)
    print_info_msg("Return code from check database command, retcode = " +
                   str(retcode))

    if retcode > 0:
        print_error_msg(
            "Database check failed to complete. Please check ambari-server.log and ambari-server-check-database.log for problem."
        )
        raise FatalException(1, 'Database check failed.')
    else:
        print str(stdout)
def server_process_main(options, scmStatus=None):
    # debug mode, including stop Java process at startup
    try:
        set_debug_mode_from_options(options)
    except AttributeError:
        pass

    if not check_reverse_lookup():
        print_warning_msg(
            "The hostname was not found in the reverse DNS lookup. "
            "This may result in incorrect behavior. "
            "Please check the DNS setup and fix the issue.")

    check_database_name_property()
    parse_properties_file(options)

    is_active_instance = get_is_active_instance()
    if not is_active_instance:
        print_warning_msg(
            "This instance of ambari server is not designated as active. Cannot start ambari server."
        )
        err = "This is not an active instance. Shutting down..."
        raise FatalException(1, err)

    ambari_user = read_ambari_user()
    current_user = ensure_can_start_under_current_user(ambari_user)

    print_info_msg("Ambari Server is not running...")

    jdk_path = find_jdk()
    if jdk_path is None:
        err = "No JDK found, please run the \"ambari-server setup\" " \
              "command to install a JDK automatically or install any " \
              "JDK manually to " + configDefaults.JDK_INSTALL_DIR
        raise FatalException(1, err)

    properties = get_ambari_properties()

    if not options.skip_properties_validation:
        missing_properties = get_missing_properties(properties)
        if missing_properties:
            err = "Required properties are not found: " + str(missing_properties) + ". To skip properties validation " \
                  "use \"--skip-properties-validation\""
            raise FatalException(1, err)

    # Preparations
    if is_root():
        print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

    ensure_jdbc_driver_is_installed(options, properties)

    ensure_dbms_is_running(options, properties, scmStatus)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    refresh_stack_hash(properties)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    ensure_server_security_is_configured()

    if scmStatus is not None:
        scmStatus.reportStartPending()

    java_exe = get_java_exe_path()

    serverClassPath = ServerClassPath(properties, options)

    debug_mode = get_debug_mode()
    debug_start = (debug_mode & 1) or SERVER_START_DEBUG
    suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
    suspend_mode = 'y' if suspend_start else 'n'

    if options.skip_database_validation:
        global jvm_args
        jvm_args += " -DskipDatabaseConsistencyValidation"

    param_list = generate_child_process_param_list(
        ambari_user, java_exe,
        serverClassPath.get_full_ambari_classpath_escaped_for_shell(
            validate_classpath=True), debug_start, suspend_mode)
    environ = generate_env(options, ambari_user, current_user)

    if not os.path.exists(configDefaults.PID_DIR):
        os.makedirs(configDefaults.PID_DIR, 0755)

    # The launched shell process and sub-processes should have a group id that
    # is different from the parent.
    def make_process_independent():
        if IS_FOREGROUND:  # upstart script is not able to track process from different pgid.
            return

        processId = os.getpid()
        if processId > 0:
            try:
                os.setpgid(processId, processId)
            except OSError, e:
                print_warning_msg('setpgid({0}, {0}) failed - {1}'.format(
                    pidJava, str(e)))
                pass
Example #6
0
def server_process_main(options, scmStatus=None):
    properties = get_ambari_properties()
    if properties == -1:
        err = "Error getting ambari properties"
        raise FatalException(-1, err)

    properties_for_print = []
    logger.info("Ambari server properties config:")
    for key, value in properties.getPropertyDict().items():
        if "passwd" not in key and "password" not in key:
            properties_for_print.append(key + "=" + value)

    logger.info(properties_for_print)

    # debug mode, including stop Java process at startup
    try:
        set_debug_mode_from_options(options)
    except AttributeError:
        pass

    if not check_reverse_lookup():
        print_warning_msg(
            "The hostname was not found in the reverse DNS lookup. "
            "This may result in incorrect behavior. "
            "Please check the DNS setup and fix the issue.")

    check_database_name_property()
    parse_properties_file(options)

    is_active_instance = get_is_active_instance()
    if not is_active_instance:
        print_warning_msg(
            "This instance of ambari server is not designated as active. Cannot start ambari server."
        )
        err = "This is not an active instance. Shutting down..."
        raise FatalException(1, err)

    ambari_user = read_ambari_user()
    current_user = ensure_can_start_under_current_user(ambari_user)

    print_info_msg("Ambari Server is not running...")

    jdk_path = find_jdk()
    if jdk_path is None:
        err = "No JDK found, please run the \"ambari-server setup\" " \
              "command to install a JDK automatically or install any " \
              "JDK manually to " + configDefaults.JDK_INSTALL_DIR
        raise FatalException(1, err)

    if not options.skip_properties_validation:
        missing_properties = get_missing_properties(properties)
        if missing_properties:
            err = "Required properties are not found: " + str(missing_properties) + ". To skip properties validation " \
                  "use \"--skip-properties-validation\""
            raise FatalException(1, err)

    # Preparations
    if is_root():
        print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

    ensure_jdbc_driver_is_installed(options, properties)

    ensure_dbms_is_running(options, properties, scmStatus)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    refresh_stack_hash(properties)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    ensure_server_security_is_configured()

    if scmStatus is not None:
        scmStatus.reportStartPending()

    java_exe = get_java_exe_path()

    serverClassPath = ServerClassPath(properties, options)

    debug_mode = get_debug_mode()
    debug_start = (debug_mode & 1) or SERVER_START_DEBUG
    suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
    suspend_mode = 'y' if suspend_start else 'n'

    environ = generate_env(options, ambari_user, current_user)
    class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell(
        validate_classpath=True)

    if options.skip_database_check:
        global jvm_args
        jvm_args += " -DskipDatabaseConsistencyCheck"
        print "Ambari Server is starting with the database consistency check skipped. Do not make any changes to your cluster " \
              "topology or perform a cluster upgrade until you correct the database consistency issues. See \"" \
              + configDefaults.DB_CHECK_LOG + "\" for more details on the consistency issues."
        properties.process_pair(CHECK_DATABASE_SKIPPED_PROPERTY, "true")
    else:
        print "Ambari database consistency check started..."
        if options.fix_database_consistency:
            jvm_args += " -DfixDatabaseConsistency"
        properties.process_pair(CHECK_DATABASE_SKIPPED_PROPERTY, "false")

    update_properties(properties)
    param_list = generate_child_process_param_list(ambari_user, java_exe,
                                                   class_path, debug_start,
                                                   suspend_mode)

    # The launched shell process and sub-processes should have a group id that
    # is different from the parent.
    def make_process_independent():
        if IS_FOREGROUND:  # upstart script is not able to track process from different pgid.
            return

        processId = os.getpid()
        if processId > 0:
            try:
                os.setpgid(processId, processId)
            except OSError, e:
                print_warning_msg('setpgid({0}, {0}) failed - {1}'.format(
                    pidJava, str(e)))
                pass
Example #7
0
def upgrade(args):
    if not is_root():
        err = configDefaults.MESSAGE_ERROR_UPGRADE_NOT_ROOT
        raise FatalException(4, err)

    print 'Updating properties in ' + AMBARI_PROPERTIES_FILE + ' ...'
    retcode = update_ambari_properties()
    if not retcode == 0:
        err = AMBARI_PROPERTIES_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    try:
        update_database_name_property(upgrade=True)
    except FatalException:
        return -1

    # Ignore the server version & database options passed via command-line arguments
    parse_properties_file(args)

    #TODO check database version
    change_objects_owner(args)

    retcode = run_schema_upgrade()
    if not retcode == 0:
        print_error_msg(
            "Ambari server upgrade failed. Please look at {0}, for more details."
            .format(configDefaults.SERVER_LOG_FILE))
        raise FatalException(11, 'Schema upgrade failed.')

    user = read_ambari_user()
    if user is None:
        warn = "Can not determine custom ambari user.\n" + SETUP_OR_UPGRADE_MSG
        print_warning_msg(warn)
    else:
        adjust_directory_permissions(user)

    # local repo
    upgrade_local_repo(args)

    # create jdbc symlinks if jdbc drivers are available in resources
    check_jdbc_drivers(args)

    properties = get_ambari_properties()
    if properties == -1:
        err = "Error getting ambari properties"
        print_error_msg(err)
        raise FatalException(-1, err)

    # Move *.py files from custom_actions to custom_actions/scripts
    # This code exists for historic reasons in which custom action python scripts location changed from Ambari 1.7.0 to 2.0.0
    ambari_version = get_ambari_version(properties)
    if ambari_version is None:
        args.warnings.append(
            "*.py files were not moved from custom_actions to custom_actions/scripts."
        )
    elif compare_versions(ambari_version, "2.0.0") == 0:
        move_user_custom_actions()

    # Remove ADMIN_VIEW directory for upgrading Admin View on Ambari upgrade from 1.7.0 to 2.0.0
    admin_views_dirs = get_admin_views_dir(properties)
    for admin_views_dir in admin_views_dirs:
        shutil.rmtree(admin_views_dir)

    # check if ambari has obsolete LDAP configuration
    if properties.get_property(
            LDAP_PRIMARY_URL_PROPERTY
    ) and not properties.get_property(IS_LDAP_CONFIGURED):
        args.warnings.append(
            "Existing LDAP configuration is detected. You must run the \"ambari-server setup-ldap\" command to adjust existing LDAP configuration."
        )
Example #8
0
def upgrade(args):
    print_info_msg("Upgrade Ambari Server", True)
    if not is_root():
        err = configDefaults.MESSAGE_ERROR_UPGRADE_NOT_ROOT
        raise FatalException(4, err)
    print_info_msg(
        'Updating Ambari Server properties in {0} ...'.format(
            AMBARI_PROPERTIES_FILE), True)
    retcode = update_ambari_properties()
    if not retcode == 0:
        err = AMBARI_PROPERTIES_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    print_info_msg(
        'Updating Ambari Server properties in {0} ...'.format(AMBARI_ENV_FILE),
        True)
    retcode = update_ambari_env()
    if not retcode == 0:
        err = AMBARI_ENV_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    retcode = update_krb_jaas_login_properties()
    if retcode == -2:
        pass  # no changes done, let's be silent
    elif retcode == 0:
        print_info_msg("File {0} updated.".format(AMBARI_KRB_JAAS_LOGIN_FILE),
                       True)
    elif not retcode == 0:
        err = AMBARI_KRB_JAAS_LOGIN_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    restore_custom_services()
    replay_mpack_logs()
    try:
        update_database_name_property(upgrade=True)
    except FatalException:
        return -1

    # Ignore the server version & database options passed via command-line arguments
    parse_properties_file(args)

    #TODO check database version
    change_objects_owner(args)

    retcode = run_schema_upgrade(args)
    if not retcode == 0:
        print_error_msg(
            "Ambari server upgrade failed. Please look at {0}, for more details."
            .format(configDefaults.SERVER_LOG_FILE))
        raise FatalException(11, 'Schema upgrade failed.')

    user = read_ambari_user()
    if user is None:
        warn = "Can not determine custom ambari user.\n" + SETUP_OR_UPGRADE_MSG
        print_warning_msg(warn)
    else:
        adjust_directory_permissions(user)

    # local repo
    upgrade_local_repo(args)

    # create jdbc symlinks if jdbc drivers are available in resources
    check_jdbc_drivers(args)

    properties = get_ambari_properties()
    if properties == -1:
        err = "Error getting ambari properties"
        print_error_msg(err)
        raise FatalException(-1, err)

    # Move *.py files from custom_actions to custom_actions/scripts
    # This code exists for historic reasons in which custom action python scripts location changed from Ambari 1.7.0 to 2.0.0
    ambari_version = get_ambari_version(properties)
    if ambari_version is None:
        args.warnings.append(
            "*.py files were not moved from custom_actions to custom_actions/scripts."
        )
    elif compare_versions(ambari_version, "2.0.0") == 0:
        move_user_custom_actions()

    # Remove ADMIN_VIEW directory for upgrading Admin View on Ambari upgrade from 1.7.0 to 2.0.0
    admin_views_dirs = get_admin_views_dir(properties)
    for admin_views_dir in admin_views_dirs:
        shutil.rmtree(admin_views_dir)

    # Modify timestamp of views jars to current time
    views_jars = get_views_jars(properties)
    for views_jar in views_jars:
        os.utime(views_jar, None)

    # check if ambari has obsolete LDAP configuration
    if properties.get_property(
            LDAP_PRIMARY_URL_PROPERTY
    ) and not properties.get_property(IS_LDAP_CONFIGURED):
        args.warnings.append(
            "Existing LDAP configuration is detected. You must run the \"ambari-server setup-ldap\" command to adjust existing LDAP configuration."
        )

    # adding custom jdbc name and previous custom jdbc properties
    # we need that to support new dynamic jdbc names for upgraded ambari
    add_jdbc_properties(properties)
def upgrade(args):
  if not is_root():
    err = configDefaults.MESSAGE_ERROR_UPGRADE_NOT_ROOT
    raise FatalException(4, err)
  print 'Updating properties in ' + AMBARI_PROPERTIES_FILE + ' ...'
  retcode = update_ambari_properties()
  if not retcode == 0:
    err = AMBARI_PROPERTIES_FILE + ' file can\'t be updated. Exiting'
    raise FatalException(retcode, err)

  retcode = update_ambari_env()
  if not retcode == 0:
    err = AMBARI_ENV_FILE + ' file can\'t be updated. Exiting'
    raise FatalException(retcode, err)

  retcode = update_krb_jaas_login_properties()
  if retcode == -2:
    pass  # no changes done, let's be silent
  elif retcode == 0:
    print 'File ' + AMBARI_KRB_JAAS_LOGIN_FILE + ' updated.'
  elif not retcode == 0:
    err = AMBARI_KRB_JAAS_LOGIN_FILE + ' file can\'t be updated. Exiting'
    raise FatalException(retcode, err)

  restore_custom_services()
  try:
    update_database_name_property(upgrade=True)
  except FatalException:
    return -1

  # Ignore the server version & database options passed via command-line arguments
  parse_properties_file(args)

  #TODO check database version
  change_objects_owner(args)

  retcode = run_schema_upgrade(args)
  if not retcode == 0:
    print_error_msg("Ambari server upgrade failed. Please look at {0}, for more details.".format(configDefaults.SERVER_LOG_FILE))
    raise FatalException(11, 'Schema upgrade failed.')

  user = read_ambari_user()
  if user is None:
    warn = "Can not determine custom ambari user.\n" + SETUP_OR_UPGRADE_MSG
    print_warning_msg(warn)
  else:
    adjust_directory_permissions(user)

  # local repo
  upgrade_local_repo(args)

  # create jdbc symlinks if jdbc drivers are available in resources
  check_jdbc_drivers(args)

  properties = get_ambari_properties()
  if properties == -1:
    err = "Error getting ambari properties"
    print_error_msg(err)
    raise FatalException(-1, err)

  # Move *.py files from custom_actions to custom_actions/scripts
  # This code exists for historic reasons in which custom action python scripts location changed from Ambari 1.7.0 to 2.0.0
  ambari_version = get_ambari_version(properties)
  if ambari_version is None:
    args.warnings.append("*.py files were not moved from custom_actions to custom_actions/scripts.")
  elif compare_versions(ambari_version, "2.0.0") == 0:
    move_user_custom_actions()

  # Remove ADMIN_VIEW directory for upgrading Admin View on Ambari upgrade from 1.7.0 to 2.0.0
  admin_views_dirs = get_admin_views_dir(properties)
  for admin_views_dir in admin_views_dirs:
    shutil.rmtree(admin_views_dir)

  # Remove ambari views directory for the rest of the jars, at the time of upgrade. At restart all jars present in Ambari will be extracted into work directory
  views_dir =  get_views_dir(properties)
  for views in views_dir:
    shutil.rmtree(views)

  # check if ambari has obsolete LDAP configuration
  if properties.get_property(LDAP_PRIMARY_URL_PROPERTY) and not properties.get_property(IS_LDAP_CONFIGURED):
    args.warnings.append("Existing LDAP configuration is detected. You must run the \"ambari-server setup-ldap\" command to adjust existing LDAP configuration.")
Example #10
0
def update_host_names(args, options):
    services_stopped = userInput.get_YN_input(
        "Please, confirm Ambari services are stopped [y/n] (n)? ", False)
    if not services_stopped:
        print 'Exiting...'
        sys.exit(1)

    pending_commands = userInput.get_YN_input(
        "Please, confirm there are no pending commands on cluster [y/n] (n)? ",
        False)
    if not pending_commands:
        print 'Exiting...'
        sys.exit(1)

    db_backup_done = userInput.get_YN_input(
        "Please, confirm you have made backup of the Ambari db [y/n] (n)? ",
        False)
    if not db_backup_done:
        print 'Exiting...'
        sys.exit(1)

    status, pid = serverUtils.is_server_runing()
    if status:
        raise FatalException(1, "Ambari Server should be stopped")

    try:
        host_mapping_file_path = args[1]
    except IndexError:
        #host_mapping file is mandatory
        raise FatalException(
            1,
            "Invalid number of host update arguments. Probably, you forgot to add json file with "
            "host changes.")

    if not os.path.isfile(host_mapping_file_path):
        raise FatalException(1, "Invalid file path or file doesn't exist")

    if not os.access(host_mapping_file_path, os.R_OK):
        raise FatalException(1, "File is not readable")

    jdk_path = serverConfiguration.get_java_exe_path()

    if jdk_path is None:
        print_error_msg(
            "No JDK found, please run the \"setup\" "
            "command to install a JDK automatically or install any "
            "JDK manually to " + configDefaults.JDK_INSTALL_DIR)
        sys.exit(1)

    properties = serverConfiguration.get_ambari_properties()
    serverConfiguration.parse_properties_file(options)
    options.database_index = LINUX_DBMS_KEYS_LIST.index(
        properties[JDBC_DATABASE_PROPERTY])

    dbConfiguration.ensure_jdbc_driver_is_installed(
        options, serverConfiguration.get_ambari_properties())

    serverClassPath = ServerClassPath(
        serverConfiguration.get_ambari_properties(), options)
    class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

    command = HOST_UPDATE_HELPER_CMD.format(jdk_path, class_path,
                                            host_mapping_file_path)

    ambari_user = serverConfiguration.read_ambari_user()
    current_user = setupSecurity.ensure_can_start_under_current_user(
        ambari_user)
    environ = setupSecurity.generate_env(options, ambari_user, current_user)

    (retcode, stdout, stderr) = os_utils.run_os_command(command, env=environ)
    print_info_msg("Return code from update host names command, retcode = " +
                   str(retcode))

    if retcode > 0:
        print_error_msg(
            "Error executing update host names, please check the server logs.")
        raise FatalException(1, 'Host names update failed.')
    else:
        print_info_msg('Host names update completed successfully')
Example #11
0
def upgrade(args):
    print_info_msg("Upgrade Ambari Server", True)
    if not is_root():
        err = configDefaults.MESSAGE_ERROR_UPGRADE_NOT_ROOT
        raise FatalException(4, err)
    print_info_msg(
        'Updating Ambari Server properties in {0} ...'.format(
            AMBARI_PROPERTIES_FILE), True)
    retcode = update_ambari_properties()
    if not retcode == 0:
        err = AMBARI_PROPERTIES_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    print_info_msg(
        'Updating Ambari Server properties in {0} ...'.format(AMBARI_ENV_FILE),
        True)
    retcode = update_ambari_env()
    if not retcode == 0:
        err = AMBARI_ENV_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    retcode = update_krb_jaas_login_properties()
    if retcode == -2:
        pass  # no changes done, let's be silent
    elif retcode == 0:
        print_info_msg("File {0} updated.".format(AMBARI_KRB_JAAS_LOGIN_FILE),
                       True)
    elif not retcode == 0:
        err = AMBARI_KRB_JAAS_LOGIN_FILE + ' file can\'t be updated. Exiting'
        raise FatalException(retcode, err)

    restore_custom_services()
    replay_mpack_logs()
    try:
        update_database_name_property(upgrade=True)
    except FatalException:
        return -1

    # Ignore the server version & database options passed via command-line arguments
    parse_properties_file(args)

    #TODO check database version
    change_objects_owner(args)

    retcode = run_schema_upgrade(args)
    if not retcode == 0:
        print_error_msg(
            "Ambari server upgrade failed. Please look at {0}, for more details."
            .format(configDefaults.SERVER_LOG_FILE))
        raise FatalException(11, 'Schema upgrade failed.')

    user = read_ambari_user()
    if user is None:
        warn = "Can not determine custom ambari user.\n" + SETUP_OR_UPGRADE_MSG
        print_warning_msg(warn)
    else:
        adjust_directory_permissions(user)

    # create jdbc symlinks if jdbc drivers are available in resources
    check_jdbc_drivers(args)

    properties = get_ambari_properties()
    if properties == -1:
        err = "Error getting ambari properties"
        print_error_msg(err)
        raise FatalException(-1, err)

    # Move *.py files from custom_actions to custom_actions/scripts
    # This code exists for historic reasons in which custom action python scripts location changed from Ambari 1.7.0 to 2.0.0
    ambari_version = get_ambari_version(properties)
    if ambari_version is None:
        args.warnings.append(
            "*.py files were not moved from custom_actions to custom_actions/scripts."
        )
    elif compare_versions(ambari_version, "2.0.0") == 0:
        move_user_custom_actions()

    # Move files installed by package to default views directory to a custom one
    for views_dir in get_views_dir(properties):
        root_views_dir = views_dir + "/../"

        if os.path.samefile(root_views_dir, get_default_views_dir()):
            continue

        for file in glob.glob(get_default_views_dir() + '/*'):
            shutil.move(file, root_views_dir)

    # Remove ADMIN_VIEW directory for upgrading Admin View on Ambari upgrade from 1.7.0 to 2.0.0
    admin_views_dirs = get_admin_views_dir(properties)
    for admin_views_dir in admin_views_dirs:
        shutil.rmtree(admin_views_dir)

    # Modify timestamp of views jars to current time
    views_jars = get_views_jars(properties)
    for views_jar in views_jars:
        os.utime(views_jar, None)

    # check if ambari is configured to use LDAP authentication
    if properties.get_property(CLIENT_SECURITY) == "ldap":
        args.warnings.append(
            "LDAP authentication is detected. You must run the \"ambari-server setup-ldap\" command to adjust existing LDAP configuration."
        )

    # adding custom jdbc name and previous custom jdbc properties
    # we need that to support new dynamic jdbc names for upgraded ambari
    add_jdbc_properties(properties)

    json_url = get_json_url_from_repo_file()
    if json_url:
        print "Ambari repo file contains latest json url {0}, updating stacks repoinfos with it...".format(
            json_url)
        properties = get_ambari_properties()
        stack_root = get_stack_location(properties)
        update_latest_in_repoinfos_for_stacks(stack_root, json_url)
    else:
        print "Ambari repo file doesn't contain latest json url, skipping repoinfos modification"
def update_host_names(args, options):
  services_stopped = userInput.get_YN_input("Please, confirm Ambari services are stopped [y/n] (n)? ", False)
  if not services_stopped:
    print 'Exiting...'
    sys.exit(1)

  pending_commands = userInput.get_YN_input("Please, confirm there are no pending commands on cluster [y/n] (n)? ", False)
  if not pending_commands:
    print 'Exiting...'
    sys.exit(1)

  db_backup_done = userInput.get_YN_input("Please, confirm you have made backup of the Ambari db [y/n] (n)? ", False)
  if not db_backup_done:
    print 'Exiting...'
    sys.exit(1)

  status, pid = serverUtils.is_server_runing()
  if status:
    raise FatalException(1, "Ambari Server should be stopped")

  try:
    host_mapping_file_path = args[1]
  except IndexError:
    #host_mapping file is mandatory
    raise FatalException(1, "Invalid number of host update arguments. Probably, you forgot to add json file with "
                            "host changes.")

  if not os.path.isfile(host_mapping_file_path):
    raise FatalException(1, "Invalid file path or file doesn't exist")

  if not os.access(host_mapping_file_path, os.R_OK):
    raise FatalException(1, "File is not readable")

  jdk_path = serverConfiguration.get_java_exe_path()

  if jdk_path is None:
    print_error_msg("No JDK found, please run the \"setup\" "
                    "command to install a JDK automatically or install any "
                    "JDK manually to " + configDefaults.JDK_INSTALL_DIR)
    sys.exit(1)

  properties = serverConfiguration.get_ambari_properties()
  serverConfiguration.parse_properties_file(options)
  options.database_index = LINUX_DBMS_KEYS_LIST.index(properties[JDBC_DATABASE_PROPERTY])

  dbConfiguration.ensure_jdbc_driver_is_installed(options, serverConfiguration.get_ambari_properties())

  serverClassPath = ServerClassPath(serverConfiguration.get_ambari_properties(), options)
  class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()

  command = HOST_UPDATE_HELPER_CMD.format(jdk_path, class_path, host_mapping_file_path)

  ambari_user = serverConfiguration.read_ambari_user()
  current_user = setupSecurity.ensure_can_start_under_current_user(ambari_user)
  environ = setupSecurity.generate_env(options, ambari_user, current_user)

  (retcode, stdout, stderr) = os_utils.run_os_command(command, env=environ)
  print_info_msg("Return code from update host names command, retcode = " + str(retcode))

  if retcode > 0:
    print_error_msg("Error executing update host names, please check the server logs.")
    raise FatalException(1, 'Host names update failed.')
  else:
    print_info_msg('Host names update completed successfully')
Example #13
0
def server_process_main(options, scmStatus=None):
    # debug mode, including stop Java process at startup
    try:
        set_debug_mode_from_options(options)
    except AttributeError:
        pass

    if not check_reverse_lookup():
        print_warning_msg(
            "The hostname was not found in the reverse DNS lookup. "
            "This may result in incorrect behavior. "
            "Please check the DNS setup and fix the issue.")

    check_database_name_property()
    parse_properties_file(options)

    ambari_user = read_ambari_user()
    current_user = ensure_can_start_under_current_user(ambari_user)

    print_info_msg("Ambari Server is not running...")

    jdk_path = find_jdk()
    if jdk_path is None:
        err = "No JDK found, please run the \"ambari-server setup\" " \
              "command to install a JDK automatically or install any " \
              "JDK manually to " + configDefaults.JDK_INSTALL_DIR
        raise FatalException(1, err)

    properties = get_ambari_properties()

    # Preparations
    if is_root():
        print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

    ensure_jdbc_driver_is_installed(options, properties)

    ensure_dbms_is_running(options, properties, scmStatus)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    refresh_stack_hash(properties)

    if scmStatus is not None:
        scmStatus.reportStartPending()

    ensure_server_security_is_configured()

    if scmStatus is not None:
        scmStatus.reportStartPending()

    java_exe = get_java_exe_path()

    class_path = get_conf_dir()
    class_path = os.path.abspath(
        class_path) + os.pathsep + get_ambari_classpath()

    debug_mode = get_debug_mode()
    debug_start = (debug_mode & 1) or SERVER_START_DEBUG
    suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
    suspend_mode = 'y' if suspend_start else 'n'

    (param_list,
     environ) = generate_child_process_param_list(ambari_user, current_user,
                                                  java_exe, class_path,
                                                  debug_start, suspend_mode)

    if not os.path.exists(configDefaults.PID_DIR):
        os.makedirs(configDefaults.PID_DIR, 0755)

    print_info_msg("Running server: " + str(param_list))
    procJava = subprocess.Popen(param_list, env=environ)

    pidJava = procJava.pid
    if pidJava <= 0:
        procJava.terminate()
        exitcode = procJava.returncode
        exitfile = os.path.join(configDefaults.PID_DIR, EXITCODE_NAME)
        save_pid(exitcode, exitfile)

        if scmStatus is not None:
            scmStatus.reportStopPending()

        raise FatalException(
            -1,
            AMBARI_SERVER_DIE_MSG.format(exitcode,
                                         configDefaults.SERVER_OUT_FILE))
    else:
        pidfile = os.path.join(configDefaults.PID_DIR, PID_NAME)
        save_pid(pidJava, pidfile)
        print "Server PID at: " + pidfile
        print "Server out at: " + configDefaults.SERVER_OUT_FILE
        print "Server log at: " + configDefaults.SERVER_LOG_FILE

        wait_for_server_start(pidfile, scmStatus)

    if scmStatus is not None:
        scmStatus.reportStarted()

    return procJava
Example #14
0
def server_process_main(options, scmStatus=None):
  # debug mode, including stop Java process at startup
  try:
    set_debug_mode_from_options(options)
  except AttributeError:
    pass

  if not check_reverse_lookup():
    print_warning_msg("The hostname was not found in the reverse DNS lookup. "
                      "This may result in incorrect behavior. "
                      "Please check the DNS setup and fix the issue.")

  check_database_name_property()
  parse_properties_file(options)

  ambari_user = read_ambari_user()
  current_user = ensure_can_start_under_current_user(ambari_user)

  print_info_msg("Ambari Server is not running...")

  jdk_path = find_jdk()
  if jdk_path is None:
    err = "No JDK found, please run the \"ambari-server setup\" " \
          "command to install a JDK automatically or install any " \
          "JDK manually to " + configDefaults.JDK_INSTALL_DIR
    raise FatalException(1, err)

  properties = get_ambari_properties()

  # Preparations
  if is_root():
    print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

  ensure_jdbc_driver_is_installed(options, properties)

  ensure_dbms_is_running(options, properties, scmStatus)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  refresh_stack_hash(properties)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  ensure_server_security_is_configured()

  if scmStatus is not None:
    scmStatus.reportStartPending()

  java_exe = get_java_exe_path()

  serverClassPath = ServerClassPath(properties, options)

  debug_mode = get_debug_mode()
  debug_start = (debug_mode & 1) or SERVER_START_DEBUG
  suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
  suspend_mode = 'y' if suspend_start else 'n'

  param_list = generate_child_process_param_list(ambari_user, java_exe,
                                                 serverClassPath.get_full_ambari_classpath_escaped_for_shell(), debug_start,
                                                 suspend_mode)
  environ = generate_env(options, ambari_user, current_user)

  if not os.path.exists(configDefaults.PID_DIR):
    os.makedirs(configDefaults.PID_DIR, 0755)

  # The launched shell process and sub-processes should have a group id that
  # is different from the parent.
  def make_process_independent():
    processId = os.getpid()
    if processId > 0:
      try:
        os.setpgid(processId, processId)
      except OSError, e:
        print_warning_msg('setpgid({0}, {0}) failed - {1}'.format(pidJava, str(e)))
        pass
Example #15
0
def server_process_main(options, scmStatus=None):
  # debug mode, including stop Java process at startup
  try:
    set_debug_mode_from_options(options)
  except AttributeError:
    pass

  if not check_reverse_lookup():
    print_warning_msg("The hostname was not found in the reverse DNS lookup. "
                      "This may result in incorrect behavior. "
                      "Please check the DNS setup and fix the issue.")

  check_database_name_property()
  parse_properties_file(options)

  is_active_instance = get_is_active_instance()
  if not is_active_instance:
      print_warning_msg("This instance of ambari server is not designated as active. Cannot start ambari server.")
      err = "This is not an active instance. Shutting down..."
      raise FatalException(1, err)

  ambari_user = read_ambari_user()
  current_user = ensure_can_start_under_current_user(ambari_user)

  print_info_msg("Ambari Server is not running...")

  jdk_path = find_jdk()
  if jdk_path is None:
    err = "No JDK found, please run the \"ambari-server setup\" " \
          "command to install a JDK automatically or install any " \
          "JDK manually to " + configDefaults.JDK_INSTALL_DIR
    raise FatalException(1, err)

  properties = get_ambari_properties()

  # Preparations
  if is_root():
    print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

  ensure_jdbc_driver_is_installed(options, properties)

  ensure_dbms_is_running(options, properties, scmStatus)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  refresh_stack_hash(properties)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  ensure_server_security_is_configured()

  if scmStatus is not None:
    scmStatus.reportStartPending()

  java_exe = get_java_exe_path()

  class_path = get_conf_dir()
  class_path = os.path.abspath(class_path) + os.pathsep + get_ambari_classpath()
  jdbc_driver_path = get_jdbc_driver_path(options, properties)
  if jdbc_driver_path not in class_path:
    class_path = class_path + os.pathsep + jdbc_driver_path

  if SERVER_CLASSPATH_KEY in os.environ:
      class_path =  os.environ[SERVER_CLASSPATH_KEY] + os.pathsep + class_path

  native_libs_path = get_native_libs_path(options, properties)
  if native_libs_path is not None:
    if LIBRARY_PATH_KEY in os.environ:
      native_libs_path = os.environ[LIBRARY_PATH_KEY] + os.pathsep + native_libs_path
    os.environ[LIBRARY_PATH_KEY] = native_libs_path

  debug_mode = get_debug_mode()
  debug_start = (debug_mode & 1) or SERVER_START_DEBUG
  suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
  suspend_mode = 'y' if suspend_start else 'n'

  param_list = generate_child_process_param_list(ambari_user, java_exe,
                                                 class_path, debug_start,
                                                 suspend_mode)
  environ = generate_env(ambari_user, current_user)

  if not os.path.exists(configDefaults.PID_DIR):
    os.makedirs(configDefaults.PID_DIR, 0755)

  print_info_msg("Running server: " + str(param_list))
  procJava = subprocess.Popen(param_list, env=environ)

  pidJava = procJava.pid
  if pidJava <= 0:
    procJava.terminate()
    exitcode = procJava.returncode
    exitfile = os.path.join(configDefaults.PID_DIR, EXITCODE_NAME)
    save_pid(exitcode, exitfile)

    if scmStatus is not None:
      scmStatus.reportStopPending()

    raise FatalException(-1, AMBARI_SERVER_DIE_MSG.format(exitcode, configDefaults.SERVER_OUT_FILE))
  else:
    # Change the group id to the process id of the parent so that the launched
    # process and sub-processes have a group id that is different from the parent.
    try:
      os.setpgid(pidJava, 0)
    except OSError, e:
      print_warning_msg('setpgid({0}, 0) failed - {1}'.format(pidJava, str(e)))
      pass
    pidfile = os.path.join(configDefaults.PID_DIR, PID_NAME)
    save_pid(pidJava, pidfile)
    print "Server PID at: "+pidfile
    print "Server out at: "+configDefaults.SERVER_OUT_FILE
    print "Server log at: "+configDefaults.SERVER_LOG_FILE

    wait_for_server_start(pidfile, scmStatus)
def server_process_main(options, scmStatus=None):
  # debug mode, including stop Java process at startup
  try:
    set_debug_mode_from_options(options)
  except AttributeError:
    pass

  if not check_reverse_lookup():
    print_warning_msg("The hostname was not found in the reverse DNS lookup. "
                      "This may result in incorrect behavior. "
                      "Please check the DNS setup and fix the issue.")

  check_database_name_property()
  parse_properties_file(options)

  ambari_user = read_ambari_user()
  current_user = ensure_can_start_under_current_user(ambari_user)

  print_info_msg("TBDS Server is not running...")

  jdk_path = find_jdk()
  if jdk_path is None:
    err = "No JDK found, please run the \"tbds-server setup\" " \
          "command to install a JDK automatically or install any " \
          "JDK manually to " + configDefaults.JDK_INSTALL_DIR
    raise FatalException(1, err)

  properties = get_ambari_properties()

  # Preparations
  if is_root():
    print configDefaults.MESSAGE_SERVER_RUNNING_AS_ROOT

  ensure_jdbc_driver_is_installed(options, properties)

  ensure_dbms_is_running(options, properties, scmStatus)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  refresh_stack_hash(properties)

  if scmStatus is not None:
    scmStatus.reportStartPending()

  ensure_server_security_is_configured()

  if scmStatus is not None:
    scmStatus.reportStartPending()

  java_exe = get_java_exe_path()

  class_path = get_conf_dir()
  class_path = os.path.abspath(class_path) + os.pathsep + get_ambari_classpath()

  debug_mode = get_debug_mode()
  debug_start = (debug_mode & 1) or SERVER_START_DEBUG
  suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
  suspend_mode = 'y' if suspend_start else 'n'

  (param_list, environ) = generate_child_process_param_list(ambari_user, current_user,
                                                 java_exe, class_path, debug_start, suspend_mode)

  if not os.path.exists(configDefaults.PID_DIR):
    os.makedirs(configDefaults.PID_DIR, 0755)

  print_info_msg("Running server: " + str(param_list))
  procJava = subprocess.Popen(param_list, env=environ)

  pidJava = procJava.pid
  if pidJava <= 0:
    procJava.terminate()
    exitcode = procJava.returncode
    exitfile = os.path.join(configDefaults.PID_DIR, EXITCODE_NAME)
    save_pid(exitcode, exitfile)

    if scmStatus is not None:
      scmStatus.reportStopPending()

    raise FatalException(-1, AMBARI_SERVER_DIE_MSG.format(exitcode, configDefaults.SERVER_OUT_FILE))
  else:
    pidfile = os.path.join(configDefaults.PID_DIR, PID_NAME)
    save_pid(pidJava, pidfile)
    print "Server PID at: "+pidfile
    print "Server out at: "+configDefaults.SERVER_OUT_FILE
    print "Server log at: "+configDefaults.SERVER_LOG_FILE

    wait_for_server_start(pidfile, scmStatus)

  if scmStatus is not None:
    scmStatus.reportStarted()

  return procJava