Parsing SDA Size No Longer Working

[bjmaynard01]

I have the following lamdba statement in a custom csv template

{"title": "Disk1", "id": "disk1", "visible": True, "field": lambda h: host['ansible_facts'].get('ansible_devices').get('sda').get('size', '')},

This worked flawlessly previously, but now I am getting an error:

The reported error was: AttributeError: 'NoneType' object has no attribute 'get'

The full error was:

    Traceback (most recent call last):
      File "/root/inventory/env/bin/../lib/ansiblecmdb/ansible-cmdb.py", line 216, in <module>
        output = renderer.render(ansible.get_hosts(), params)
      File "/root/inventory/env/lib64/python3.6/site-packages/ansiblecmdb/render.py", line 42, in render
        return self._render_mako(hosts, vars)
      File "/root/inventory/env/lib64/python3.6/site-packages/ansiblecmdb/render.py", line 59, in _render_mako
        return template.render(hosts=hosts, **vars)
      File "/root/inventory/env/lib64/python3.6/site-packages/mako/template.py", line 476, in render
        return runtime._render(self, self.callable_, args, data)
      File "/root/inventory/env/lib64/python3.6/site-packages/mako/runtime.py", line 883, in _render
        **_kwargs_for_callable(callable_, data)
      File "/root/inventory/env/lib64/python3.6/site-packages/mako/runtime.py", line 920, in _render_context
        _exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
      File "/root/inventory/env/lib64/python3.6/site-packages/mako/runtime.py", line 947, in _exec_template
        callable_(context, *args, **kwargs)
      File "/root/inventory/env/custom_csv.tpl", line 43, in render_body
        out_cols.append(col['field'](host))
      File "/root/inventory/env/custom_csv.tpl", line 14, in <lambda>
        {"title": "Disk1",        "id": "disk1",      "visible": True, "field": lambda h: host['ansible_facts'].get('ansible_devices').get('sda').get('size', '')},
    AttributeError: 'NoneType' object has no attribute 'get'

It still seems to work from some items in my inventory, but chokes at some point, and I'm at a loss as to where to look to try to isolate the root cause. Is there another way I should be getting the size of the sda disk?

The only thing that changed regarding inventory is upgrading ansible. Is this application no longer supported on newer versions of Ansible? Currently using Ansible 2.9.14

[bjmaynard01]

Ansible Facts from last rendered host

{"ansible_facts": {"ansible_all_ipv4_addresses": ["10.5.12.235"], "ansible_all_ipv6_addresses": [], "ansible_apparmor": {"status": "disabled"}, "ansible_architecture": "x86_64", "ansible_bios_date": "04/01/2014", "ansible_bios_version": "1.9.1-5.el6", "ansible_cmdline": {"KEYBOARDTYPE": "pc", "KEYTABLE": "us", "LANG": "en_US.UTF-8", "SYSFONT": "latarcyrheb-sun16", "audit": "1", "crashkernel": "130M@48M", "quiet": true, "rd_LVM_LV": "vg_sys/lv_root", "rd_NO_DM": true, "rd_NO_LUKS": true, "rd_NO_MD": true, "rhgb": true, "ro": true, "root": "/dev/mapper/vg_sys-lv_root"}, "ansible_date_time": {"date": "2020-11-10", "day": "10", "epoch": "1605019488", "hour": "14", "iso8601": "2020-11-10T14:44:48Z", "iso8601_basic": "20201110T144448949149", "iso8601_basic_short": "20201110T144448", "iso8601_micro": "2020-11-10T14:44:48.949149Z", "minute": "44", "month": "11", "second": "48", "time": "14:44:48", "tz": "UTC", "tz_offset": "+0000", "weekday": "Tuesday", "weekday_number": "2", "weeknumber": "45", "year": "2020"}, "ansible_default_ipv4": {"address": "10.5.12.235", "alias": "eth0", "broadcast": "10.5.12.255", "gateway": "10.5.12.1", "interface": "eth0", "macaddress": "50:6b:8d:64:97:ae", "mtu": 1500, "netmask": "255.255.255.0", "network": "10.5.12.0", "type": "ether"}, "ansible_default_ipv6": {}, "ansible_device_links": {"ids": {"dm-0": ["dm-name-vg_sys-lv_root", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hkgBGy7pe16W37cRDLkSNkz0CceG76BrB"], "dm-1": ["dm-name-vg_sys-lv_swap", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hXY9RLOV95X5UksuhD6hAuDqFsZBQ64Xc"], "dm-2": ["dm-name-vg_sys-lv_home", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hn0dEPOAg60Kk560UVTYEL80kj5loMXck"], "dm-3": ["dm-name-vg_sys-lv_tmp", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1heeLhQWMzdTzrQlXZ2tBALBGBahD8dw1o"], "dm-4": ["dm-name-vg_sys-lv_var", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hhPlRVGjxxQHWKG52mYlvqkxtQM2A3cSs"], "dm-5": ["dm-name-vg_sys-lv_var_log", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hhYHs029i2359EmRexV30lAk4tdynDWc0"], "dm-6": ["dm-name-vg_sys-lv_var_log_audit", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hpr2gdbLogbAoCMWMzbe34BjdtOHTMJBP"], "sda": ["scsi-1NUTANIX_NFS_2_0_550_03ddeee6_75c5_4cf5_8003_5debfaa8bc20"], "sda1": ["scsi-1NUTANIX_NFS_2_0_550_03ddeee6_75c5_4cf5_8003_5debfaa8bc20-part1"], "sda2": ["lvm-pv-uuid-YgmLNp-LsW8-s4K1-20dt-3hJw-YN6g-UMUnSB", "scsi-1NUTANIX_NFS_2_0_550_03ddeee6_75c5_4cf5_8003_5debfaa8bc20-part2"], "sda3": ["lvm-pv-uuid-28qrns-oDjs-OyFU-eDCQ-XAvf-Jlpp-N68K5a", "scsi-1NUTANIX_NFS_2_0_550_03ddeee6_75c5_4cf5_8003_5debfaa8bc20-part3"], "sr0": ["ata-QEMU_DVD-ROM_QM00001"]}, "labels": {}, "masters": {"sda2": ["dm-0", "dm-1", "dm-2", "dm-3", "dm-4", "dm-5", "dm-6"], "sda3": ["dm-0"]}, "uuids": {"dm-0": ["4d6a32dc-b3bd-475d-a5c0-a193197cf241"], "dm-1": ["cc033f6b-0804-4aa1-b3d3-9880b56a9051"], "dm-2": ["77b63833-c67c-4a75-a55e-289a22bdb621"], "dm-3": ["749fb906-7023-4073-be35-919d4f24027e"], "dm-4": ["d910fd08-bfc7-4938-a39f-83c0d5b7ada1"], "dm-5": ["3fb89f10-345f-4d1f-9881-e639576c4847"], "dm-6": ["06240f8f-2746-48f8-b82a-9a35fa0da9a7"], "sda1": ["1b17a0c6-5984-42bd-83e3-67f5b82f33c5"]}}, "ansible_devices": {"dm-0": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_root", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hkgBGy7pe16W37cRDLkSNkz0CceG76BrB"], "labels": [], "masters": [], "uuids": ["4d6a32dc-b3bd-475d-a5c0-a193197cf241"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "2080415744", "sectorsize": "512", "size": "992.02 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-1": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_swap", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hXY9RLOV95X5UksuhD6hAuDqFsZBQ64Xc"], "labels": [], "masters": [], "uuids": ["cc033f6b-0804-4aa1-b3d3-9880b56a9051"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "4128768", "sectorsize": "512", "size": "1.97 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-2": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_home", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hn0dEPOAg60Kk560UVTYEL80kj5loMXck"], "labels": [], "masters": [], "uuids": ["77b63833-c67c-4a75-a55e-289a22bdb621"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "2097152", "sectorsize": "512", "size": "1.00 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-3": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_tmp", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1heeLhQWMzdTzrQlXZ2tBALBGBahD8dw1o"], "labels": [], "masters": [], "uuids": ["749fb906-7023-4073-be35-919d4f24027e"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "2097152", "sectorsize": "512", "size": "1.00 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-4": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_var", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hhPlRVGjxxQHWKG52mYlvqkxtQM2A3cSs"], "labels": [], "masters": [], "uuids": ["d910fd08-bfc7-4938-a39f-83c0d5b7ada1"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "4194304", "sectorsize": "512", "size": "2.00 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-5": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_var_log", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hhYHs029i2359EmRexV30lAk4tdynDWc0"], "labels": [], "masters": [], "uuids": ["3fb89f10-345f-4d1f-9881-e639576c4847"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "2097152", "sectorsize": "512", "size": "1.00 GB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "dm-6": {"holders": [], "host": "", "links": {"ids": ["dm-name-vg_sys-lv_var_log_audit", "dm-uuid-LVM-uwDYE7fHJ8sd27Ow0o857eE1KLmWch1hpr2gdbLogbAoCMWMzbe34BjdtOHTMJBP"], "labels": [], "masters": [], "uuids": ["06240f8f-2746-48f8-b82a-9a35fa0da9a7"]}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", "sas_address": null, "sas_device_handle": null, "scheduler_mode": "", "sectors": "1048576", "sectorsize": "512", "size": "512.00 MB", "support_discard": "1048576", "vendor": null, "virtual": 1}, "loop0": {"holders": [], "host": "", "links": {"ids": [], "labels": [], "masters": [], "uuids": []}, "model": null, "partitions": {}, "removable": "0", "rotational": "1", 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"changed": false}

[fboender]

I'm at a loss as to where to look to try to isolate the root cause.

Try adding a debug statement to your custom csv template. Something like the sys.stderr.write line in the example below. That should write out each hostname and the last one shown is the one with the problem.

writer.writerow(fieldnames)
for hostname, host in hosts.items():
  sys.stderr.write("{}\n".format(hostname))
  if 'ansible_facts' not in host:

Is there another way I should be getting the size of the sda disk?

It's always best to provide defaults when using .get(). So instead of:

# error prone
host['ansible_facts'].get('ansible_devices').get('sda').get('size', '')
# more resilient
host['ansible_facts'].get('ansible_devices', {}).get('sda', {}).get('size', '')

The only thing that changed regarding inventory is upgrading ansible.

It's difficult to say what the problem is here. Try adding the debug line I mentioned above and then inspecting the problematic fact file in a JSON editor. See if ansible_devices or sda is missing.

Is this application no longer supported on newer versions of Ansible? Currently using Ansible 2.9.14

We're running Ansible 2.11.3 and it's working fine, so 2.9.14 should also work.