az network bastion ssh fails with Python error - No module named 'pkg_resources'

Open

#33,110 opened on Mar 31, 2026 8 comments 3 reactions 1 assignee Assigned to @a0x1ab View on GitHub

act-platform-engineering-squad act-quality-productivity-squad Auto-Assign bug Installation Network - Bastion Service Attention

Dominant language: Python
Stars: 4.6k
Forks: 3.5k
Avg merge: 3d 2h
Merged PRs (30d): 60

Description

### Describe the bug

When trying to ssh through Azure Bastion with native client support from local machine, it fails with a python error - "No module named 'pkg_resources'"

Here is the full error:

The command failed with an unexpected error. Here is the traceback:
No module named 'pkg_resources'
Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 682, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 812, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 781, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 174, in ssh_bastion_host
_test_extension(SSH_EXTENSION_NAME)
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 107, in _test_extension
from pkg_resources import parse_version
ModuleNotFoundError: No module named 'pkg_resources'

### Related command

az network bastion ssh --name bastion-netscus --resource-group rg-networks --target-resource-id "/subscriptions//resourceGroups/rg-cyclecloud/providers/Microsoft.Compute/virtualMachines/vm-ccapp" --auth-type ssh-key --username azureuser --ssh-key ~/.ssh/id_ed25519

### Errors

### Issue script & Debug output

DEBUG: cli.knack.cli: Command arguments: ['network', 'bastion', 'ssh', '--name', 'bastion-netscus', '--resource-group', 'rg-networks', '--target-resource-id', '/subscriptions//resourceGroups/rg-cyclecloud/providers/Microsoft.Compute/virtualMachines/vm-ccapp', '--auth-type', 'ssh-key', '--username', 'azureuser', '--ssh-key', '/home/jackw/.ssh/id_ed25519', '--debug']
DEBUG: cli.knack.cli: __init__ debug log:
Cannot enable color.
DEBUG: cli.knack.cli: Event: Cli.PreExecute []
DEBUG: cli.knack.cli: Event: CommandParser.OnGlobalArgumentsCreate [, , ]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreCommandTableCreate []
DEBUG: cli.azure.cli.core: Modules found from index for 'network': ['azure.cli.command_modules.privatedns', 'azure.cli.command_modules.network', 'azext_bastion']
DEBUG: cli.azure.cli.core: Loading command modules...
DEBUG: cli.azure.cli.core: Loaded command modules in parallel:
DEBUG: cli.azure.cli.core: Name Load Time Groups Commands
DEBUG: cli.azure.cli.core: privatedns 0.099 14 60
DEBUG: cli.azure.cli.core: network 0.381 122 370
DEBUG: cli.azure.cli.core: Total (2) 0.383 136 430
DEBUG: cli.azure.cli.core: These extensions are not installed and will be skipped: ['azext_ai_examples', 'azext_next']
DEBUG: cli.azure.cli.core: Loading extensions:
DEBUG: cli.azure.cli.core: Name Load Time Groups Commands Directory
DEBUG: cli.azure.cli.core: bastion 0.004 2 9 /home/jackw/.azure/cliextensions/bastion
DEBUG: cli.azure.cli.core: Total (1) 0.004 2 9
DEBUG: cli.azure.cli.core: Loaded 136 groups, 439 commands.
DEBUG: cli.azure.cli.core: Found a match in the command table.
DEBUG: cli.azure.cli.core: Raw command : network bastion ssh
DEBUG: cli.azure.cli.core: Command table: network bastion ssh
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreCommandTableTruncate []
DEBUG: cli.azure.cli.core.azlogging: metadata file logging enabled - writing logs to '/home/jackw/.azure/commands/2026-03-31.09-41-41.network_bastion_ssh.3442.log'.
INFO: az_command_data_logger: command args: network bastion ssh --name {} --resource-group {} --target-resource-id {} --auth-type {} --username {} --ssh-key {} --debug
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreArgumentLoad [.add_subscription_parameter at 0x7f1b9161cae0>]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostArgumentLoad []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostCommandTableCreate [.add_ids_arguments at 0x7f1b9161cb80>, .add_cache_arguments at 0x7f1b9161cd60>, .update_breaking_change_info at 0x7f1b9161ce00>]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnCommandTableLoaded []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreParseArgs []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostParseArgs [, , .parse_ids_arguments at 0x7f1b9161cc20>]
INFO: az_command_data_logger: extension name: bastion
INFO: az_command_data_logger: extension version: 1.4.2
DEBUG: cli.azure.cli.core.azclierror: Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 682, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 812, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 781, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 174, in ssh_bastion_host
_test_extension(SSH_EXTENSION_NAME)
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 107, in _test_extension
from pkg_resources import parse_version
ModuleNotFoundError: No module named 'pkg_resources'

ERROR: cli.azure.cli.core.azclierror: The command failed with an unexpected error. Here is the traceback:
ERROR: az_command_data_logger: The command failed with an unexpected error. Here is the traceback:
ERROR: cli.azure.cli.core.azclierror: No module named 'pkg_resources'
Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 682, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 812, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 781, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 174, in ssh_bastion_host
_test_extension(SSH_EXTENSION_NAME)
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 107, in _test_extension
from pkg_resources import parse_version
ModuleNotFoundError: No module named 'pkg_resources'
ERROR: az_command_data_logger: No module named 'pkg_resources'
Traceback (most recent call last):
File "/usr/lib64/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 682, in execute
raise ex
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 812, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 781, in _run_job
result = cmd_copy(params)
^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 336, in __call__
return self.handler(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/az/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 120, in handler
return op(**command_args)
^^^^^^^^^^^^^^^^^^
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 174, in ssh_bastion_host
_test_extension(SSH_EXTENSION_NAME)
File "/home/jackw/.azure/cliextensions/bastion/azext_bastion/custom.py", line 107, in _test_extension
from pkg_resources import parse_version
ModuleNotFoundError: No module named 'pkg_resources'
To check existing issues, please visit: https://github.com/Azure/azure-cli/issues
DEBUG: cli.knack.cli: Event: Cli.PostExecute []
INFO: az_command_data_logger: exit code: 1
INFO: cli.__main__: Command ran in 0.505 seconds (init: 0.079, invoke: 0.426)
INFO: telemetry.main: Begin splitting cli events and extra events, total events: 1
INFO: telemetry.client: Accumulated 0 events. Flush the clients.
INFO: telemetry.main: Finish splitting cli events and extra events, cli events: 1
INFO: telemetry.save: Save telemetry record of length 8521 in cache file under /home/jackw/.azure/telemetry/20260331094141780
INFO: telemetry.main: Begin creating telemetry upload process.
INFO: telemetry.process: Creating upload process: "/usr/bin/python3.12 /usr/lib64/az/lib/python3.12/site-packages/azure/cli/telemetry/__init__.py /home/jackw/.azure /home/jackw/.azure/telemetry/20260331094141780"
INFO: telemetry.process: Return from creating process 3448
INFO: telemetry.main: Finish creating telemetry upload process.

### Expected behavior

I should get a SSH tunnel to my virtual machine

### Environment Summary

azure-cli 2.84.0

core 2.84.0
telemetry 1.1.0

Extensions:
bastion 1.4.2
ml 2.38.1
ssh 2.0.6

Dependencies:
msal 1.35.0b1
azure-mgmt-resource 24.0.0

Python location '/usr/bin/python3.12'
Config directory '/home/jackw/.azure'
Extensions directory '/home/jackw/.azure/cliextensions'

Python (Linux) 3.12.12 (main, Feb 27 2026, 00:00:00) [GCC 11.5.0 20240719 (Red Hat 11.5.0-11)]

Legal docs and information: aka.ms/AzureCliLegal

Your CLI is up-to-date.

### Additional context

_No response_

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

az network bastion ssh fails with Python error - No module named 'pkg_resources'

Description

Contributor guide

Assessment

Get new issues in your inbox