Table of Contents

Problem

During activation, you may face this issue.

Screenshot of activating pending changes. Progress Failed due to an error creating configuration name

Solution

There is no default solution for this. We need to debug it step-by-step.

Log in as the site user.
```
root@linux~# su - mysite
```
.

Create the core config from the command line.

OMD[mysite]:~$ cmk --debug -vvU
Trying to acquire lock on /omd/sites/mysite/etc/check_mk/main.mk
Got lock on /omd/sites/mysite/etc/check_mk/main.mk
Generating configuration for core (type cmc)...Trying to acquire lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Got lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Releasing lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Released lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Creating helper config...OK

Time needed [<lambda>]: 0.00 sec
time period 'time_period_1': 2 time points (optimized from 2922)
time period 'time_period_2': 2 time points (optimized from 2922)
time period '24X7': 2 time points
Time needed [cmc_timeperiods]: 0.01 sec
Time needed [cmc_contacts]: 0.00 sec
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/localhost2.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/localhost.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/localhost3.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/rdw_infra-gn4c-sw1-p1801.rdw.net-walk_copy.mk
Releasing lock on /omd/sites/mysite/etc/check_mk/main.mk
Released lock on /omd/sites/mysite/etc/check_mk/main.mk
Configuration Error: 'name'
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/rdw_infra-gn4c-sw1-p1801.rdw.net-walk.txt.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/localhost.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/localhost2.mk
Trying to acquire lock on /omd/sites/mysite/var/check_mk/crashes/base/c7aa6504-30c9-11ec-aa5d-dd3ebce72779/crash.info
Got lock on /omd/sites/mysite/var/check_mk/crashes/base/c7aa6504-30c9-11ec-aa5d-dd3ebce72779/crash.info
Releasing lock on /omd/sites/mysite/var/check_mk/crashes/base/c7aa6504-30c9-11ec-aa5d-dd3ebce72779/crash.info
Released lock on /omd/sites/mysite/var/check_mk/crashes/base/c7aa6504-30c9-11ec-aa5d-dd3ebce72779/crash.info
Traceback (most recent call last):
  File "/omd/sites/mysite/bin/cmk", line 92, in <module>
    exit_status = modes.call(mode_name, mode_args, opts, args)
  File "/omd/sites/mysite/lib/python3/cmk/base/modes/__init__.py", line 69, in call
    return handler(*handler_args)
  File "/omd/sites/mysite/lib/python3/cmk/base/modes/check_mk.py", line 1116, in mode_update
    do_create_config(create_core(config.monitoring_core))
  File "/omd/sites/mysite/lib/python3/cmk/base/core_config.py", line 336, in do_create_config
    _create_core_config(core)
  File "/omd/sites/mysite/lib/python3/cmk/base/core_config.py", line 401, in _create_core_config
    core.create_config(helper_config.serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 87, in create_config
    _create_core_config(serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 151, in _create_core_config
    hosts_config = _measure_time(cmc_all_hosts, serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 186, in _measure_time
    result = func(*args, **kwargs)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 582, in cmc_all_hosts
    cmc_hosts = CMCHosts(serial, strategy, list(config_cache.all_active_hosts()), CMCHostConfig)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 659, in __init__
    for chunk_result in _compute_host_configurations(
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 641, in _compute_host_configurations
    return mapper(partial(get_host_configurations, serial), host_chunks)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 536, in _one_worker_per_chunk
    raise ret.error
KeyError: 'name'

.

We must disable the parallelized config creation in the global settings for better debugging.

Setup → General → Global settings → Monitoring Core → Parallellize config creation → remove the tick and save the changes

.

The activate changes will run again into an error, but now we can debug much better.

OMD[mysite]:~$ cmk --debug -vvU
Trying to acquire lock on /omd/sites/mysite/etc/check_mk/main.mk
Got lock on /omd/sites/mysite/etc/check_mk/main.mk
Generating configuration for core (type cmc)...Trying to acquire lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Got lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Releasing lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Released lock on /omd/sites/mysite/var/check_mk/core/helper_config/serial.mk
Creating helper config...OK

Time needed [<lambda>]: 0.00 sec
time period 'time_period_1': 2 time points (optimized from 2922)
time period 'time_period_2': 2 time points (optimized from 2922)
time period '24X7': 2 time points
Time needed [cmc_timeperiods]: 0.01 sec
Time needed [cmc_contacts]: 0.00 sec
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/rdw_infra-gn4c-sw1-p1801.rdw.net-walk.txt.mk
Loading autochecks from /omd/sites/mysite/var/check_mk/autochecks/rdw_infra-gn4c-sw1-p1801.rdw.net-walk_copy.mk
Releasing lock on /omd/sites/mysite/etc/check_mk/main.mk
Released lock on /omd/sites/mysite/etc/check_mk/main.mk
Configuration Error: 'name'
Trying to acquire lock on /omd/sites/mysite/var/check_mk/crashes/base/35606d18-30cb-11ec-aa5d-dd3ebce72779/crash.info
Got lock on /omd/sites/mysite/var/check_mk/crashes/base/35606d18-30cb-11ec-aa5d-dd3ebce72779/crash.info
Releasing lock on /omd/sites/mysite/var/check_mk/crashes/base/35606d18-30cb-11ec-aa5d-dd3ebce72779/crash.info
Released lock on /omd/sites/mysite/var/check_mk/crashes/base/35606d18-30cb-11ec-aa5d-dd3ebce72779/crash.info
Traceback (most recent call last):
  File "/omd/sites/mysite/bin/cmk", line 92, in <module>
    exit_status = modes.call(mode_name, mode_args, opts, args)
  File "/omd/sites/mysite/lib/python3/cmk/base/modes/__init__.py", line 69, in call
    return handler(*handler_args)
  File "/omd/sites/mysite/lib/python3/cmk/base/modes/check_mk.py", line 1116, in mode_update
    do_create_config(create_core(config.monitoring_core))
  File "/omd/sites/mysite/lib/python3/cmk/base/core_config.py", line 336, in do_create_config
    _create_core_config(core)
  File "/omd/sites/mysite/lib/python3/cmk/base/core_config.py", line 401, in _create_core_config
    core.create_config(helper_config.serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 87, in create_config
    _create_core_config(serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 151, in _create_core_config
    hosts_config = _measure_time(cmc_all_hosts, serial)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 186, in _measure_time
    result = func(*args, **kwargs)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 582, in cmc_all_hosts
    cmc_hosts = CMCHosts(serial, strategy, list(config_cache.all_active_hosts()), CMCHostConfig)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 659, in __init__
    for chunk_result in _compute_host_configurations(
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 641, in _compute_host_configurations
    return mapper(partial(get_host_configurations, serial), host_chunks)
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 511, in _sequential_strategy_map
    raise ret.error
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 759, in get_host_configurations
    result = [host_class(hostname).get_serialized_data() for hostname in hostlist]
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 759, in <listcomp>
    result = [host_class(hostname).get_serialized_data() for hostname in hostlist]
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 1079, in __init__
    super(CMCHostConfig, self).__init__(hostname=hostname,
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 839, in __init__
    self._compute()
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 1100, in _compute
    self._cmc_services()
  File "/omd/sites/mysite/lib/python3/cmk/base/cee/core_cmc.py", line 1259, in _cmc_services
    description = config.active_check_service_description(self._hostname,
  File "/omd/sites/mysite/lib/python3/cmk/base/config.py", line 1117, in active_check_service_description
    description = act_info["service_description"](params)
  File "/omd/sites/mysite/local/share/check_mk/checks/check_crl_url", line 22, in check_crl_url_desc
    return "CRL %s" % (params['name'])
KeyError: 'name'

.

This issue is caused by a custom check due to an empty parameter. You need to check the rule in Checkmk again or rewrite your check to have some default values.
.
Please don't forget to activate to parallelize config creation again

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