[pve-devel] [PATCH esxi-import-tools v2] listvms: exclude VMs without datastore_name from manifest.json

[Daniel Herzig <d.herzig@proxmox.com>]

On newer ESXI-8x versions, the diskless vCLS machines in an
ESXI-cluster are not stored on a datastore anymore.

Instead, they are placed under `/var/run/crx` on the ESXI-hosts'
filesystem. This can lead to issues with the ESXI-storage not being
activated on the PVE-side [0].

This commit prevents these machines from being included in `manifest.json`.

It also excludes VMs without a datastore string in its configuration.

[0] https://forum.proxmox.com/threads/new-import-wizard-available-for-migrating-vmware-esxi-based-virtual-machines.144023/post-759288
---
This supersedes: https://lore.proxmox.com/pve-devel/875xjft34o.fsf@proxmox.com/T/#t

Changes from v1:
* query the ESXI VM config more purposefully -- thanks @Wolfgang
* prepare logging of dropped VMs to stderr

 listvms.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/listvms.py b/listvms.py
index a2fb2a5..89ddfb2 100755
--- a/listvms.py
+++ b/listvms.py
@@ -265,6 +265,20 @@ def main():
     with connect_to_esxi_host(connection_args) as connection:
         data = {}
         for vm in list_vms(connection):
+            # drop vCLS machines
+            vCLS = any(cfg.key == "HDCS.agent"
+                       and cfg.value.lower() == "true"
+                       for cfg in vm.config.extraConfig)
+            if vCLS:
+                continue
+            # drop vms with empty datastore
+            datastore_name, relative_vmx_path = parse_file_path(
+                vm.config.files.vmPathName
+            )
+            if not datastore_name:
+                print(f"Skipping VM (no datastore value): {vm.name}",
+                      file=sys.stderr)
+                continue
             try:
                 fetch_and_update_vm_data(vm, data)
             except Exception as err:
-- 
2.39.5


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