def get_json_via_rest_api(properties, admin_login, admin_password,
entry_point):
"""
Fetches the data from a given REST API entry point
:param properties: the properties from the ambari.properties file
:param admin_login: an administrator's username used to log in to Ambari
:param admin_password: an administrator's password used to log in to Ambari
:param entry_point: the relative entry point to query (the base URL will be generated using the ambari.properties data)
:return: HTTP status, JSON data
"""
url = get_ambari_server_api_base(properties) + entry_point
admin_auth = base64.encodestring(
'%s:%s' % (admin_login, admin_password)).replace('\n', '')
request = urllib2.Request(url)
request.add_header('Authorization', 'Basic %s' % admin_auth)
request.add_header('X-Requested-By', 'ambari')
request.get_method = lambda: 'GET'
print_info_msg("Fetching information from Ambari's REST API")
with closing(urllib2.urlopen(
request, context=get_ssl_context(properties))) as response:
response_status_code = response.getcode()
json_data = None
print_info_msg(
"Received HTTP %s while fetching information from Ambari's REST API"
% response_status_code)
if response_status_code == 200:
json_data = json.loads(response.read())
if (get_debug_mode()):
print_info_msg("Received JSON:\n" + json_data)
return response_status_code, json_data
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 update_debug_mode():
debug_mode = get_debug_mode()
# The command-line settings supersede the ones in ambari.properties
if not debug_mode & 1:
properties = get_ambari_properties()
if properties == -1:
print_error_msg("Error getting ambari properties")
return -1
if get_value_from_properties(properties, DEBUG_MODE_KEY, False):
debug_mode = debug_mode | 1
if get_value_from_properties(properties, SUSPEND_START_MODE_KEY, False):
debug_mode = debug_mode | 2
set_debug_mode(debug_mode)
def update_debug_mode():
debug_mode = get_debug_mode()
# The command-line settings supersede the ones in ambari.properties
if not debug_mode & 1:
properties = get_ambari_properties()
if properties == -1:
print_error_msg("Error getting ambari properties")
return -1
if get_value_from_properties(properties, DEBUG_MODE_KEY, False):
debug_mode = debug_mode | 1
if get_value_from_properties(properties, SUSPEND_START_MODE_KEY, False):
debug_mode = debug_mode | 2
set_debug_mode(debug_mode)
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 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
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)
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
