def do_checks(self):
try:
user = read_ambari_user()
create_user = False
update_user_setting = False
if user is not None:
create_user = get_YN_input_optional(self.NR_USER_CHANGE_PROMPT.format(user), False,SETUP_USE_DEFAULT)
update_user_setting = create_user # Only if we will create another user
else: # user is not configured yet
update_user_setting = True # Write configuration anyway
create_user = get_YN_input_optional(self.NR_USER_CUSTOMIZE_PROMPT, False,SETUP_USE_DEFAULT)
if not create_user:
user = self.NR_DEFAULT_USER
if create_user:
(retcode, user) = self._create_custom_user()
if retcode != 0:
return retcode
if update_user_setting:
write_property(NR_USER_PROPERTY, user)
adjust_directory_permissions(user)
except OSError as e:
print_error_msg("Failed: %s" % str(e))
return 4
except Exception as e:
print_error_msg("Unexpected error %s" % str(e))
return 1
return 0
def check_selinux():
try:
retcode, out, err = run_os_command(GET_SE_LINUX_ST_CMD)
se_status = re.search('(disabled|enabled)', out).group(0)
print "SELinux status is '" + se_status + "'"
if se_status == SE_STATUS_DISABLED:
return 0
else:
try:
se_mode = re.search('(enforcing|permissive)', out).group(0)
except AttributeError:
err = "Error determining SELinux mode. Exiting."
raise FatalException(1, err)
print "SELinux mode is '" + se_mode + "'"
if se_mode == SE_MODE_ENFORCING:
print "Temporarily disabling SELinux"
run_os_command(SE_SETENFORCE_CMD)
print_warning_msg(
"SELinux is set to 'permissive' mode and temporarily disabled.")
ok = get_YN_input_optional("OK to continue [y/n] (y)? ", True, SETUP_USE_DEFAULT)
if not ok:
raise FatalException(1, None)
return 0
except OSError:
print_warning_msg("Could not run {0}: OK".format(GET_SE_LINUX_ST_CMD))
return 0
def prompt_db_properties(options):
ok = False
if options.must_set_database_options:
ok = get_YN_input_optional("Enter advanced database configuration [y/n] (n)? ", False,SETUP_USE_DEFAULT)
print 'Configuring database...'
factory = DBMSConfigFactory()
options.must_set_database_options = ok
options.database_index = factory.select_dbms(options)
def check_firewall():
firewall_obj = Firewall().getFirewallObject()
firewall_on = firewall_obj.check_iptables()
if firewall_obj.stderrdata and len(firewall_obj.stderrdata) > 0:
print firewall_obj.stderrdata
if firewall_on:
print_warning_msg("%s is running. Confirm the necessary TBDS ports are accessible. " %
firewall_obj.FIREWALL_SERVICE_NAME +
"Refer to the TBDS documentation for more details on ports.")
ok = get_YN_input_optional("OK to continue [y/n] (y)? ", True,SETUP_USE_DEFAULT)
if not ok:
raise FatalException(1, None)
def download_and_install_jdk(self, args, properties):
conf_file = properties.fileName
jcePolicyWarn = "JCE Policy files are required for configuring Kerberos security. If you plan to use Kerberos," \
"please make sure JCE Unlimited Strength Jurisdiction Policy Files are valid on all hosts."
if args.java_home:
#java_home was specified among the command-line arguments. Use it as custom JDK location.
if not validate_jdk(args.java_home):
err = "Path to java home " + args.java_home + " or java binary file does not exists"
raise FatalException(1, err)
print_warning_msg("JAVA_HOME " + args.java_home + " must be valid on ALL hosts")
print_warning_msg(jcePolicyWarn)
IS_CUSTOM_JDK = True
properties.process_pair(JAVA_HOME_PROPERTY, args.java_home)
properties.removeOldProp(JDK_NAME_PROPERTY)
properties.removeOldProp(JCE_NAME_PROPERTY)
self._ensure_java_home_env_var_is_set(args.java_home)
self.jdk_index = self.custom_jdk_number
return
java_home_var = get_JAVA_HOME()
if get_silent():
if not java_home_var:
#No java_home_var set, detect if java is already installed
if os.environ.has_key(JAVA_HOME):
args.java_home = os.environ[JAVA_HOME]
properties.process_pair(JAVA_HOME_PROPERTY, args.java_home)
properties.removeOldProp(JDK_NAME_PROPERTY)
properties.removeOldProp(JCE_NAME_PROPERTY)
self._ensure_java_home_env_var_is_set(args.java_home)
self.jdk_index = self.custom_jdk_number
return
else:
# For now, changing the existing JDK to make sure we use a supported one
pass
if java_home_var:
change_jdk = get_YN_input_optional("Do you want to change Oracle JDK [y/n] (n)? ", False,SETUP_USE_DEFAULT)
if not change_jdk:
self._ensure_java_home_env_var_is_set(java_home_var)
self.jdk_index = self.custom_jdk_number
return
#Continue with the normal setup, taking the first listed JDK version as the default option
jdk_num = str(self.jdk_index + 1)
(self.jdks, jdk_choice_prompt, jdk_valid_choices, self.custom_jdk_number) = self._populate_jdk_configs(properties, jdk_num)
jdk_num = get_validated_string_input_optional(
jdk_choice_prompt,
jdk_num,
jdk_valid_choices,
"Invalid number.",
False,
SETUP_USE_DEFAULT
)
self.jdk_index = int(jdk_num) - 1
if self.jdk_index == self.custom_jdk_number:
print_warning_msg("JDK must be installed on all hosts and JAVA_HOME must be valid on all hosts.")
print_warning_msg(jcePolicyWarn)
args.java_home = get_validated_string_input_optional("Path to JAVA_HOME: ", None, None, None, False,SETUP_USE_DEFAULT, False)
if not os.path.exists(args.java_home) or not os.path.isfile(os.path.join(args.java_home, "bin", self.JAVA_BIN)):
err = "Java home path or java binary file is unavailable. Please put correct path to java home."
raise FatalException(1, err)
print "Validating JDK on TBDS Server...done."
properties.process_pair(JAVA_HOME_PROPERTY, args.java_home)
properties.removeOldProp(JDK_NAME_PROPERTY)
properties.removeOldProp(JCE_NAME_PROPERTY)
self._ensure_java_home_env_var_is_set(args.java_home)
return
jdk_cfg = self.jdks[self.jdk_index]
try:
resources_dir = properties[RESOURCES_DIR_PROPERTY]
except (KeyError), e:
err = 'Property ' + str(e) + ' is not defined at ' + conf_file
raise FatalException(1, err)
