Autoscaler is failing with KeyError: 'headnode.internal.cloudapp.net'

[xpillons]

On some systems, it appears that PBS commands qmgr list sched and qmgr list server sometimes return values with long names and not short names, making the research of a scheduler to failed with the following stack trace

2025-09-18 08:49:02,300 DEBUG: Full stacktrace Traceback (most recent call last): File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/hpc/autoscale/clilib.py", line 1890, in main args.func(**kwargs) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/hpc/autoscale/clilib.py", line 434, in autoscale output_columns = output_columns or self._get_default_output_columns(config) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/hpc/autoscale/clilib.py", line 1075, in _get_default_output_columns default_cmd = self._default_output_columns(config, cmd_name) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/pbspro/cli.py", line 76, in _default_output_columns env = self._pbs_env(driver) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/pbspro/cli.py", line 110, in _pbs_env self.__pbs_env = environment.from_driver(pbs_driver.config, pbs_driver) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/pbspro/environment.py", line 52, in from_driver schedulers = pbs_driver.read_schedulers() File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/pbspro/driver.py", line 562, in read_schedulers return read_schedulers(self.pbscmd, self.resource_definitions) File "/opt/cycle/pbspro/venv/lib/python3.6/site-packages/pbspro/scheduler.py", line 84, in read_schedulers server_dict = server_dicts_by_host[hostname] KeyError: 'headnode.internal.cloudapp.net'

A suggested fix would be to use short names in the dictionary lookup line 83 and make sure that the scheduler is always using short names.