def run_schema_upgrade():
db_title = get_db_type(get_ambari_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
print 'Upgrading database schema'
command = SCHEMA_UPGRADE_HELPER_CMD.format(jdk_path, get_full_ambari_classpath())
ambari_user = read_ambari_user()
current_user = ensure_can_start_under_current_user(ambari_user)
environ = generate_env(ambari_user, current_user)
(retcode, stdout, stderr) = run_os_command(command, env=environ)
print_info_msg("Return code from schema upgrade command, retcode = " + str(retcode))
if retcode > 0:
print_error_msg("Error executing schema upgrade, please check the server logs.")
else:
print_info_msg('Schema upgrade completed')
return retcode
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)
def run_schema_upgrade(args):
db_title = get_db_type(get_ambari_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
ensure_jdbc_driver_is_installed(args, get_ambari_properties())
print_info_msg('Upgrading database schema', True)
serverClassPath = ServerClassPath(get_ambari_properties(), args)
class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell(
validate_classpath=True)
set_debug_mode_from_options(args)
debug_mode = get_debug_mode()
debug_start = (debug_mode & 1) or SCHEMA_UPGRADE_DEBUG
suspend_start = (debug_mode & 2) or SUSPEND_START_MODE
suspend_mode = 'y' if suspend_start else 'n'
command = SCHEMA_UPGRADE_HELPER_CMD_DEBUG.format(
jdk_path, class_path,
suspend_mode) if debug_start else SCHEMA_UPGRADE_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 schema upgrade command, retcode = {0}".format(
str(retcode)), True)
if stdout:
print_info_msg("Console output from schema upgrade command:", True)
print_info_msg(stdout, True)
print
if retcode > 0:
print_error_msg(
"Error executing schema upgrade, please check the server logs.")
if stderr:
print_error_msg("Error output from schema upgrade command:")
print_error_msg(stderr)
print
else:
print_info_msg('Schema upgrade completed', True)
return retcode
def run_db_cleanup(options):
if validate_args(options):
return 1
db_title = get_db_type(get_ambari_properties()).title
confirmBackup = get_YN_input("Ambari Server configured for {0}. Confirm you have made a backup of the Ambari Server database [y/n]".format(
db_title), True)
if not confirmBackup:
print_info_msg("Ambari Server Database cleanup aborted")
return 0
status, stateDesc = is_server_runing()
if status:
print_error_msg("The database cleanup cannot proceed while Ambari Server is running. Please shut down Ambari first.")
return 1
confirm = get_YN_input(
"Ambari server is using db type {0}. Cleanable database entries older than {1} will be cleaned up. Proceed [y/n]".format(
db_title, options.cleanup_from_date), True)
if not confirm:
print_info_msg("Ambari Server Database cleanup aborted")
return 0
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 {0}".format(configDefaults.JDK_INSTALL_DIR));
return 1
ensure_jdbc_driver_is_installed(options, get_ambari_properties())
serverClassPath = ServerClassPath(get_ambari_properties(), options)
class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()
ambari_user = read_ambari_user()
current_user = ensure_can_start_under_current_user(ambari_user)
environ = generate_env(options, ambari_user, current_user)
print "Cleaning up the database ..."
command = DB_CLEANUP_CMD.format(jdk_path, class_path, options.cluster_name, options.cleanup_from_date)
(retcode, stdout, stderr) = run_os_command(command, env=environ)
print_info_msg("Return code from database cleanup command, retcode = " + str(retcode))
if stdout:
print "Console output from database cleanup command:"
print stdout
print
if stderr:
print "Error output from database cleanup command:"
print stderr
print
if retcode > 0:
print_error_msg("Error wncountered while cleaning up the Ambari Server Database. Check the ambari-server.log for details.")
else:
print "Cleanup completed. Check the ambari-server.log for details."
return retcode
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)
def run_schema_upgrade(args):
db_title = get_db_type(get_ambari_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
ensure_jdbc_driver_is_installed(args, get_ambari_properties())
print 'Upgrading database schema'
serverClassPath = ServerClassPath(get_ambari_properties(), args)
class_path = serverClassPath.get_full_ambari_classpath_escaped_for_shell()
command = SCHEMA_UPGRADE_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 schema upgrade command, retcode = " + str(retcode))
if stdout:
print "Console output from schema upgrade command:"
print stdout
print
if stderr:
print "Error output from schema upgrade command:"
print stderr
print
if retcode > 0:
print_error_msg("Error executing schema upgrade, please check the server logs.")
else:
print_info_msg('Schema upgrade completed')
return retcode
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 run_schema_upgrade():
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
print 'Upgrading database schema'
command = SCHEMA_UPGRADE_HELPER_CMD.format(jdk_path, get_full_ambari_classpath())
ambari_user = read_ambari_user()
current_user = ensure_can_start_under_current_user(ambari_user)
environ = generate_env(ambari_user, current_user)
(retcode, stdout, stderr) = run_os_command(command, env=environ)
print_info_msg("Return code from schema upgrade command, retcode = " + str(retcode))
if retcode > 0:
print_error_msg("Error executing schema upgrade, please check the server logs.")
else:
print_info_msg('Schema upgrade completed')
return retcode
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
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
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')
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')
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
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)