We've just discovered that if you use the "Nagios Core Main Config" editor (https://nagios/nagiosxi//includes/compo ... pe=corecfg) within the Nagios XI GUI, when you save the file, it removes all line-breaks and Nagios config checks fail (obviously).
We've seen/tested this in Chrome and Firefox.
Actually, I've done a bit more digging and it's also happening on "Nagios Core CGI Config" editor (https://nagios/nagiosxi//includes/compo ... ype=cgicfg) and further to my initial findings, it's not that line-breaks are removed, but that the resulting file contents are "over escaped" (made-up term), with there being a single line of text, containing escape sequences for newline (\n), carriage return (\r), tab (\t), instead of the actual elements.
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# MODIFIED\r\nadmin_email=root@localhost\r\nadmin_pager=root@localhost\r\ntranslate_passive_host_checks=1\r\nlog_event_handlers=0\r\nuse_large_installation_tweaks=1\r\nenable_environment_macros=0\r\n\r\n\r\n# NDOUtils module\r\nbroker_module=/usr/local/nagios/bin/ndomod.o config_file=/usr/local/nagios/etc/ndomod.cfg\r\n\r\n\r\n# PNP settings - bulk mode with NCPD\r\nprocess_performance_data=1\r\n# service performance data\r\nservice_perfdata_file=/usr/local/nagios/var/service-perfdata\r\nservice_perfdata_file_template=DATATYPE::SERVICEPERFDATA\\tTIMET::$TIMET$\\tHOSTNAME::$HOSTNAME$\\tSERVICEDESC::$SERVICEDESC$\\tSERVICEPERFDATA::$SERVICEPERFDATA$\\tSERVICECHECKCOMMAND::$SERVICECHECKCOMMAND$\\tHOSTSTATE::$HOSTSTATE$\\tHOSTSTATETYPE::$HOSTSTATETYPE$\\tSERVICESTATE::$SERVICESTATE$\\tSERVICESTATETYPE::$SERVICESTATETYPE$\\tSERVICEOUTPUT::$SERVICEOUTPUT$\r\nservice_perfdata_file_mode=a\r\nservice_perfdata_file_processing_interval=15\r\nservice_perfdata_file_processing_command=process-service-perfdata-file-pnp-bulk\r\n# host performance data\r\nhost_perfdata_file=/usr/local/nagios/var/host-perfdata\r\nhost_perfdata_file_template=DATATYPE::HOSTPERFDATA\\tTIMET::$TIMET$\\tHOSTNAME::$HOSTNAME$\\tHOSTPERFDATA::$HOSTPERFDATA$\\tHOSTCHECKCOMMAND::$HOSTCHECKCOMMAND$\\tHOSTSTATE::$HOSTSTATE$\\tHOSTSTATETYPE::$HOSTSTATETYPE$\\tHOSTOUTPUT::$HOSTOUTPUT$\r\nhost_perfdata_file_mode=a\r\nhost_perfdata_file_processing_interval=15\r\nhost_perfdata_file_processing_command=process-host-perfdata-file-pnp-bulk\r\n\r\n\r\n# OBJECTS - UNMODIFIED\r\n#cfg_file=/usr/local/nagios/etc/objects/commands.cfg\r\n#cfg_file=/usr/local/nagios/etc/objects/contacts.cfg\r\n#cfg_file=/usr/local/nagios/etc/objects/localhost.cfg\r\n#cfg_file=/usr/local/nagios/etc/objects/templates.cfg\r\n#cfg_file=/usr/local/nagios/etc/objects/timeperiods.cfg\r\n\r\n\r\n# STATIC OBJECT DEFINITIONS (THESE DON\'T GET EXPORTED/IMPORTED BY NAGIOSQL)\r\ncfg_dir=/usr/local/nagios/etc/static\r\n\r\n# OBJECTS EXPORTED FROM NAGIOSQL\r\ncfg_file=/usr/local/nagios/etc/contacttemplates.cfg\r\ncfg_file=/usr/local/nagios/etc/contactgroups.cfg\r\ncfg_file=/usr/local/nagios/etc/contacts.cfg\r\ncfg_file=/usr/local/nagios/etc/timeperiods.cfg\r\ncfg_file=/usr/local/nagios/etc/commands.cfg\r\ncfg_file=/usr/local/nagios/etc/hostgroups.cfg\r\ncfg_file=/usr/local/nagios/etc/servicegroups.cfg\r\ncfg_file=/usr/local/nagios/etc/hosttemplates.cfg\r\ncfg_file=/usr/local/nagios/etc/servicetemplates.cfg\r\ncfg_file=/usr/local/nagios/etc/servicedependencies.cfg\r\ncfg_file=/usr/local/nagios/etc/serviceescalations.cfg\r\ncfg_file=/usr/local/nagios/etc/hostdependencies.cfg\r\ncfg_file=/usr/local/nagios/etc/hostescalations.cfg\r\ncfg_file=/usr/local/nagios/etc/hostextinfo.cfg\r\ncfg_file=/usr/local/nagios/etc/serviceextinfo.cfg\r\ncfg_dir=/usr/local/nagios/etc/hosts\r\ncfg_dir=/usr/local/nagios/etc/services\r\n\r\n# GLOBAL EVENT HANDLERS\r\nglobal_host_event_handler=xi_host_event_handler\r\nglobal_service_event_handler=xi_service_event_handler\r\n\r\n\r\n\r\n# UNMODIFIED\r\naccept_passive_host_checks=1\r\naccept_passive_service_checks=1\r\nadditional_freshness_latency=15\r\nauto_reschedule_checks=0\r\nauto_rescheduling_interval=30\r\nauto_rescheduling_window=180\r\nbare_update_check=0\r\ncached_host_check_horizon=15\r\ncached_service_check_horizon=15\r\ncheck_external_commands=1\r\ncheck_for_orphaned_hosts=1\r\ncheck_for_orphaned_services=1\r\ncheck_for_updates=1\r\ncheck_host_freshness=0\r\ncheck_result_path=/usr/local/nagios/var/spool/checkresults\r\ncheck_result_reaper_frequency=10\r\ncheck_service_freshness=1\r\ncommand_check_interval=-1\r\ncommand_file=/usr/local/nagios/var/rw/nagios.cmd\r\ndaemon_dumps_core=0\r\ndate_format=us\r\ndebug_file=/usr/local/nagios/var/nagios.debug\r\ndebug_level=0\r\ndebug_verbosity=1\r\nenable_embedded_perl=1\r\nenable_event_handlers=1\r\nenable_flap_detection=1\r\nenable_notifications=1\r\nenable_predictive_host_dependency_checks=1\r\nenable_predictive_service_dependency_checks=1\r\nevent_broker_options=-1\r\nevent_handler_timeout=30\r\nexecute_host_checks=1\r\nexecute_service_checks=1\r\nexternal_command_buffer_slots=4096\r\nhigh_host_flap_threshold=20.0\r\nhigh_service_flap_threshold=20.0\r\nhost_check_timeout=30\r\nhost_freshness_check_interval=60\r\nhost_inter_check_delay_method=d\r\nillegal_macro_output_chars=`~$&|\'\"<>\r\nillegal_object_name_chars=`~!$%^&*|\'\"<>?,()=\r\ninterval_length=60\r\nlock_file=/usr/local/nagios/var/nagios.lock\r\nlog_archive_path=/usr/local/nagios/var/archives\r\nlog_external_commands=0\r\nlog_file=/usr/local/nagios/var/nagios.log\r\nlog_host_retries=1\r\nlog_initial_states=0\r\nlog_notifications=1\r\nlog_passive_checks=0\r\nlog_rotation_method=d\r\nlog_service_retries=1\r\nlow_host_flap_threshold=5.0\r\nlow_service_flap_threshold=5.0\r\nmax_check_result_file_age=3600\r\nmax_check_result_reaper_time=30\r\nmax_concurrent_checks=0\r\nmax_debug_file_size=1000000\r\nmax_host_check_spread=30\r\nmax_service_check_spread=30\r\nnagios_group=nagios\r\nnagios_user=nagios\r\nnotification_timeout=30\r\nobject_cache_file=/usr/local/nagios/var/objects.cache\r\nobsess_over_hosts=0\r\nobsess_over_services=0\r\nocsp_timeout=5\r\np1_file=/usr/local/nagios/bin/p1.pl\r\npassive_host_checks_are_soft=0\r\nperfdata_timeout=5\r\nprecached_object_file=/usr/local/nagios/var/objects.precache\r\nresource_file=/usr/local/nagios/etc/resource.cfg\r\nretained_contact_host_attribute_mask=0\r\nretained_contact_service_attribute_mask=0\r\nretained_host_attribute_mask=0\r\nretained_process_host_attribute_mask=0\r\nretained_process_service_attribute_mask=0\r\nretained_service_attribute_mask=0\r\nretain_state_information=1\r\nretention_update_interval=60\r\nservice_check_timeout=300\r\nservice_freshness_check_interval=60\r\nservice_inter_check_delay_method=d\r\nservice_interleave_factor=s\r\nsleep_time=0.25\r\nsoft_state_dependencies=0\r\nstate_retention_file=/usr/local/nagios/var/retention.dat\r\nstatus_file=/usr/local/nagios/var/status.dat\r\nstatus_update_interval=10\r\ntemp_file=/usr/local/nagios/var/nagios.tmp\r\ntemp_path=/tmp\r\nuse_aggressive_host_checking=0\r\nuse_embedded_perl_implicitly=1\r\nuse_regexp_matching=0\r\nuse_retained_program_state=1\r\nuse_retained_scheduling_info=1\r\nuse_syslog=1\r\nuse_true_regexp_matching=0\r\n\r\n\r\n
Cheers,
--
ChrisP
