Awx.awx.inventory is failing to create constructed inventories - potential edge case?

cnfrancis · June 28, 2024, 5:14pm

hello!

I dug a bit in the code and found this edge case for collection awx.awx.inventory
The function make_request is used for creating new/updating awx resource AND also used for retrieving existing associations.

So, when a new resource is created and has associations with it, the code will check for existing associations and it will exit right away if it gets a 404 because the self.fail_json() is called when a 404 is received. awx/awx_collection/plugins/module_utils/controller_api.py at a70b0c1ddc35a03701372d0a921fba5bb14264f5 · ansible/awx · GitHub

For example, when I create a new constructed inventory,

It first makes a POST to create the constructed inventory
Makes a get request to retrieve all endpoints (existing associations)
Fails with error below

“msg”: “The requested object could not be found at /api/v2/constructed_inventories/24/input_inventories/”

args used below: (with AWX → UI version=22.0.0, Operator=2.0.0)

{
    "ANSIBLE_MODULE_ARGS": {
        "_ansible_check_mode": false,
        "_ansible_debug": false,
        "_ansible_diff": false,
        "_ansible_ignore_unknown_opts": false,
        "_ansible_keep_remote_files": true,
        "_ansible_module_name": "awx.awx.inventory",
        "_ansible_no_log": false,
        "_ansible_remote_tmp": "~/.ansible/tmp",
        "_ansible_selinux_special_fs": [
            "fuse",
            "nfs",
            "vboxsf",
            "ramfs",
            "9p",
            "vfat"
        ],
        "_ansible_shell_executable": "/bin/sh",
        "_ansible_socket": null,
        "_ansible_string_conversion_action": "warn",
        "_ansible_syslog_facility": "LOG_USER",
        "_ansible_target_log_info": null,
        "_ansible_tmpdir": "REDACTED",
        "_ansible_verbosity": 3,
        "_ansible_version": "2.17.1",
        "controller_host": "REDACTED",
        "input_inventories": [
            "REDACTED"
        ],
        "organization": "REDACTED",
        "kind": "constructed",
        "name": "REDACTED",        
        "controller_username": "REDACTED",        
        "controller_password": "REDACTED"
    }
}

OR

Maybe the edge case is that builds the url wrong when retrieving the existing associations for a constructed inventory. When I reverse engineer the api call from the UI, it makes a POST request to
https://.com/api/v2/inventories/24/input_inventories/
NOT
https://.com/api/v2/constructed_inventories/24/input_inventories/

Can someone help me with this please with a course of action to take?

Denney-tech · June 28, 2024, 7:16pm

Did the inventory ID change or have a mismatch? Or did you typo 21/24? From what I can tell, all inventories, constructed or not, appear in the inventories api endpoint. However, only constructed inventories will have inventories/<id>/input_inventories. Since you’re getting a 404 at that endpoint, I would think that the inventory name to id resolver found an existing regular or smart inventory by that name instead of updating or creating a constructed inventory.

cnfrancis · June 28, 2024, 7:34pm

hello Caleb, sorry this ID was a typo ( as i was building and deleting inventories a few time for testing, must have miscopied)

Checking further in the code: awx/awx_collection/plugins/module_utils/controller_api.py at a70b0c1ddc35a03701372d0a921fba5bb14264f5 · ansible/awx · GitHub
, I think its because AWX return the item_url for constructed inventories as /api/v2/constructed_inventories/<id> which is used here: awx/awx_collection/plugins/module_utils/controller_api.py at a70b0c1ddc35a03701372d0a921fba5bb14264f5 · ansible/awx · GitHub

so when it tries to get all endpoints for input_inventories with the URL built wrong it will throw the 404:
code at L718 ( i can’t add more than two links per post)

cnfrancis · June 28, 2024, 7:40pm

ah thanks for confirming inventories/<id>/input_inventories
so the url is indeed built wrong for constructed inventories when adding input_inventories to constructed_inventories

for reference this is the call with the data

'https://<REDACTED>.com/api/v2/inventories/'
'{"name": "REDACTED", "organization": 2, "kind": "constructed", "host_filter": null, "input_inventories": [2]}'

cnfrancis · July 2, 2024, 1:29pm

@Denney-tech i’ve raised this issue: The module awx.awx.inventory is failing to create constructed inventories - Edge case uncaught · Issue #15310 · ansible/awx (github.com)

Denney-tech · July 2, 2024, 2:16pm

And you’re certain that the inventory “name” doesn’t match an existing inventory of a different “kind”? (normal or smart inventories)

cnfrancis · July 2, 2024, 2:58pm

yes, it doesn’t match an existing inventory of a different kind

Denney-tech · July 2, 2024, 3:58pm

I’ll see if I can try and reproduce this later this week. The 404 for the constructed_inventory endpoint makes me think there’s a problem with the name-to-id resolver or that the inventory kind isn’t defined properly when the constructed inventory is created.

cnfrancis · July 2, 2024, 4:41pm

i’ve pinpoint the issue in a few code snippets with the issue that I linked.
tldr
1- it returns the url constructed_inventories/<id> after the inventory is created
2- when it checks for associations in this case the input_inventories, it uses the url above to build the irl, so you get <awx-endpoint>.com/api/v2/constructed_inventories/<id>/input_inventories instead of <awx-endpoint>.com/api/v2/inventories/<id>/input_inventories

Denney-tech · July 2, 2024, 4:46pm

But both of those should be valid for a constructed inventory…

Edit: OH… I see where I’m getting confused. Both the inventories/<ID> and constructed_inventories/<ID> mention inventories/<id>/input_inventories in the related objects, but there is no constructed_inventories/<id>/input_inventories endpoint specifically. Which makes me wonder why the constructed_inventories exists at all.

cnfrancis · July 2, 2024, 5:02pm

exactly you got it right, its a bug in the code, mind giving a thumbs up to my issue please?

github.com/ansible/awx

The module awx.awx.inventory is failing to create constructed inventories - Edge case uncaught

opened 09:24PM - 28 Jun 24 UTC

cnfrancis

type:bug component:awx_collection needs_triage community

### Please confirm the following - [X] I agree to follow this project's [code… of conduct](https://docs.ansible.com/ansible/latest/community/code_of_conduct.html). - [X] I have checked the [current issues](https://github.com/ansible/awx/issues) for duplicates. - [X] I understand that AWX is open source software provided for free and that I might not receive a timely response. - [X] I am **NOT** reporting a (potential) security vulnerability. (These should be emailed to `security@ansible.com` instead.) ### Bug Summary ### Edge Case hello, I believe there is an edge case uncaught with the module `awx.awx.inventory` when attempting to add an `input_inventories` which causes the error message below: ``` “msg”: “The requested object could not be found at /api/v2/constructed_inventories/24/input_inventories/” ``` It's due to the fact the URL built is wrong when adding an `associations` of type `input_inventories` to a resource `constructed_inventory` Related discussion: https://forum.ansible.com/t/awx-awx-inventory-is-failing-to-create-constructed-inventories-potential-edge-case/6845 ### Problematic Code Snippets I believe the problematic code that caused the URL to be built wrong and cause the `404` to happen is combination of the snippets below in `awx/awx_collection/plugins/module_utils/controller_api.py` ``` # awx/awx_collection/plugins/module_utils/controller_api.py def create_if_needed(self, existing_item, new_item, endpoint, on_create=None, auto_exit=True, item_type='unknown', associations=None): ... if response['status_code'] in [200, 201]: self.json_output['name'] = 'unknown' for key in ('name', 'username', 'identifier', 'hostname'): if key in response['json']: self.json_output['name'] = response['json'][key] self.json_output['id'] = response['json']['id'] self.json_output['changed'] = True item_url = response['json']['url'] else: if 'json' in response and '__all__' in response['json']: self.fail_json(msg="Unable to create {0} {1}: {2}".format(item_type, item_name, response['json']['__all__'][0])) elif 'json' in response: self.fail_json(msg="Unable to create {0} {1}: {2}".format(item_type, item_name, response['json'])) else: self.fail_json(msg="Unable to create {0} {1}: {2}".format(item_type, item_name, response['status_code'])) # Process any associations with this item if associations is not None: for association_type in associations: sub_endpoint = '{0}{1}/'.format(item_url, association_type) self.modify_associations(sub_endpoint, associations[association_type]) ``` and ``` # awx/awx_collection/plugins/module_utils/controller_api.py def modify_associations(self, association_endpoint, new_association_list): # if we got None instead of [] we are not modifying the association_list if new_association_list is None: return # First get the existing associations response = self.get_all_endpoint(association_endpoint) existing_associated_ids = [association['id'] for association in response['json']['results']] ``` ### Explanation In `ControllerAPIModule.create_if_needed(self)` ([code ref link](https://github.com/ansible/awx/blob/b59aff50dc28a9da0a18155227974443b19afb18/awx_collection/plugins/module_utils/controller_api.py#L832C17-L832C26)) The url and the body for the POST call ``` 'https://<REDACTED>.com/api/v2/inventories/' '{"name": "REDACTED", "organization": 2, "kind": "constructed", "host_filter": null, "input_inventories": [2]}' ``` will yield the successful response ``` response['json']['url'] = /api/v2/constructed_inventories/<id> ``` this is then stored in `item_url` which used to build the association `sub_endpoint` ([code ref link](https://github.com/ansible/awx/blob/b59aff50dc28a9da0a18155227974443b19afb18/awx_collection/plugins/module_utils/controller_api.py#L844)) `sub_endpoint=/api/v2/constructed_inventories/<id>/input_inventories ``` if associations is not None: for association_type in associations: sub_endpoint = '{0}{1}/'.format(item_url, association_type) self.modify_associations(sub_endpoint, associations[association_type]) ``` then later on, when `self.get_all_endpoint(association_endpoint)` which calls `response = self.get_endpoint(endpoint, *args, **kwargs)` with this `/api/v2/constructed_inventories/<id>/input_inventories ` it will cause the 404 as that enpoint isn't defined. ``` def modify_associations(self, association_endpoint, new_association_list): # if we got None instead of [] we are not modifying the association_list if new_association_list is None: return # First get the existing associations response = self.get_all_endpoint(association_endpoint) existing_associated_ids = [association['id'] for association in response['json']['results']] ``` Hope this makes sense. Please let me know what the action items are from this, or suggested course of action I can take. FYI @TheRealHaoLiu @relrod (@cidrblock fom AnsibleFest 2024 conference Denver, US ) ### AWX version 22.0.0 ### Select the relevant components - [ ] UI - [ ] UI (tech preview) - [ ] API - [ ] Docs - [X] Collection - [ ] CLI - [ ] Other ### Installation method kubernetes ### Modifications no ### Ansible version 2.17.1 ### Operating system _No response_ ### Web browser _No response_ ### Steps to reproduce - `ANSIBLE_KEEP_REMOTE_FILES=1 ansible localhost -m awx.awx.inventory -a '<module_args>' -vvv` - `cd /path/to/temporary/file` - `python AnsiballZ_inventory.py explode` - `python AnsiballZ_inventory.py execute` this assumes an inventory already exists when added to the `input_inventory` field. used arguments: ``` { "ANSIBLE_MODULE_ARGS": { "_ansible_check_mode": false, "_ansible_debug": false, "_ansible_diff": false, "_ansible_ignore_unknown_opts": false, "_ansible_keep_remote_files": true, "_ansible_module_name": "awx.awx.inventory", "_ansible_no_log": false, "_ansible_remote_tmp": "~/.ansible/tmp", "_ansible_selinux_special_fs": [ "fuse", "nfs", "vboxsf", "ramfs", "9p", "vfat" ], "_ansible_shell_executable": "/bin/sh", "_ansible_socket": null, "_ansible_string_conversion_action": "warn", "_ansible_syslog_facility": "LOG_USER", "_ansible_target_log_info": null, "_ansible_tmpdir": "REDACTED", "_ansible_verbosity": 3, "_ansible_version": "2.17.1", "controller_host": "REDACTED", "input_inventories": [ "REDACTED" ], "organization": "REDACTED", "kind": "constructed", "name": "REDACTED", "controller_username": "REDACTED", "controller_password": "REDACTED" } } ``` ### Expected results The built URL should be `inventories/<id>/input_inventories` when adding association of type `input_inventories` to a `construced_inventory` ### Actual results ``` “msg”: “The requested object could not be found at /api/v2/constructed_inventories/24/input_inventories/” ``` ### Additional information #13448 Commit: https://github.com/ansible/awx/commit/e22967d28de40fe40d94fd4818aa9248942f6b4c

Denney-tech · July 2, 2024, 5:22pm

I think your bug was already identified and fixed in AWX 22.1.0. Please upgrade and try again.

cnfrancis · July 2, 2024, 5:49pm

that’s actually contributing to the bug Only use constr. inv URL when req comes from it by relrod · Pull Request #13797 · ansible/awx · GitHub
what this PR does for version AWX 22.1.0 is returning construced_inventories/<id> in the response instead of inventories/<id> as the URL

but the issue is not with awx itself. It is with the ansible module using that construced_inventories/<id> url that is returned in the response for querying the input_inventories which only exists under inventories/<id>/input_inventories and not construced_inventories/<id>/input_inventories

Denney-tech · July 2, 2024, 6:22pm

Prior to the change, the API always returns the constructed_inventories prefix for kind=="constructed", which is what you’re seeing. That PR changes it to match the request, so when you’re posting the constructed inventory to inventories , the API won’t redirect you unexpectedly to constructed_inventories.

cnfrancis · July 2, 2024, 6:46pm

I will give it a go and get back with my findings

Denney-tech · July 2, 2024, 7:18pm

I think that should solve it because I cannot replicate your issue on 24.6.0.

- hosts: localhost
  gather_facts: false
  vars:
    awx_username: redacted
    awx_password: redacted
    awx_host: redacted
  tasks:
    - awx.awx.inventory:
        controller_host: "https://{{ awx_host }}"
        controller_username: "{{ awx_username }}"
        controller_password: "{{ awx_password }}"
        name: foobar
        organization: Linux
        kind: constructed
        input_inventories:
          - Inventory

PLAY [localhost] *************************************************************************************************************************************************************************************

TASK [awx.awx.inventory] *****************************************************************************************************************************************************************************
changed: [localhost]

PLAY RECAP *******************************************************************************************************************************************************************************************
localhost                  : ok=1    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

cnfrancis · July 10, 2024, 1:22pm

upgrading to the latest version worked, thanks for the suggestion Caleb that fixed my issue.

system · August 9, 2024, 1:22pm

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Awx.awx.inventory is failing to create constructed inventories - potential edge case?

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