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'
class_path = get_full_ambari_classpath()
jdbc_driver_path = get_jdbc_driver_path(args, get_ambari_properties())
if jdbc_driver_path not in class_path:
class_path = class_path + os.pathsep + jdbc_driver_path
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(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()
# 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)
