Rudder

I had a sles12 with an old agent (4.0)
I upgraded to latest version, and after that, the inventory failed because there were no /opt/rudder/etc/uuid.hive

no error at upgrade

Chargement des données du dépôt...
Lecture des paquets installés...
Résolution des dépendances des paquets...

The following package is going to be upgraded:
  rudder-agent

The following package is not supported by its vendor:
  rudder-agent

1 package to upgrade.
Taille de téléchargement totale : 6,1 MiB. Déjà en cache : 0 B. Après
l'opération, 100,0 MiB d'espace disque sera libéré.
Continuer ? [o/n/? affiche toutes les options] (o): o
Récupération de package rudder-agent-1398866025:5.0.5.release-1.SLES.12.x86_64
                                        (1/1),   6,1 MiB (  6,1 MiB décompressé)
Récupération : rudder-agent-5.0.5.release-1.SLES.12.x86_64.rpm ...........[fait]
Vérification des conflits de fichiers : ..................................[fait]
(1/1) Installation : rudder-agent - 1398866025:5.0.5.release-1.SLES.12 ...[fait]
Sortie rpm supplémentaire:
warning: /etc/cron.d/rudder-agent saved as /etc/cron.d/rudder-agent.rpmsave

Note: This output shows SysV services only and does not include native
systemd services. SysV configuration data might be overridden by native
systemd configuration.

If you want to list systemd services use 'systemctl list-unit-files'.
To see services enabled on particular target use
'systemctl list-dependencies [target]'.

Note: This output shows SysV services only and does not include native
systemd services. SysV configuration data might be overridden by native
systemd configuration.

If you want to list systemd services use 'systemctl list-unit-files'.
To see services enabled on particular target use
'systemctl list-dependencies [target]'.

rudder                    0:off  1:off  2:off  3:off  4:off  5:off  6:off
ok: Rudder agent is now disabled.
ok: stop service rudder-agent succeeded
INFO: Ensuring correct permissions on the keys directory... Done.
ok: Rudder agent has been enabled but not started, wait for next cron run.
ok: start service rudder-agent succeeded
INFO: Scheduling an inventory during next run...
INFO: A back up copy of the /opt/rudder/etc/uuid.hive has been created in /var/backups/rudder
INFO: A back up copy of the /var/rudder/cfengine-community/policy_server.dat has been created in /var/backups/rudder
INFO: A back up copy of the /var/rudder/cfengine-community/ppkeys has been created in /var/backups/rudder

sles-12-64:~ # rudder agent inventory
Rudder agent 5.0.5.release
Node uuid: Not yet configured
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive'
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
   error: CfReadFile: Could not examine file '/opt/rudder/etc/uuid.hive' (stat: No such file or directory)
Start execution with config [20190114-154026-799972db]

   error: Finished command related to promiser '/var/rudder/inventories' -- an error occurred, returned 26
   error: Transformer '/var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.sign' => '/opt/rudder/bin/curl -L -k -1 -f -s --proxy '' --user rudder:rudder -T /var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.sign https://orchestrateur-3.labo.normation.com/inventory-updates/' returned error
   error: Finished command related to promiser '/var/rudder/inventories' -- an error occurred, returned 26
   error: Transformer '/var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.gz' => '/opt/rudder/bin/curl -L -k -1 -f -s --proxy '' --user rudder:rudder -T /var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.gz https://orchestrateur-3.labo.normation.com/inventory-updates/' returned error
M| State         Technique                 Component                 Key                Message
E| error         Inventory                 inventory                                    Could not send the inventory
   error: Method 'sendInventory' failed in some repairs
   error: Method 'doInventory_always' failed in some repairs

rudder agent check restored the uuid, but it still prevented the inventory from being set

Rudder agent 5.0.5.release
Node uuid: b8dcd41d-be6f-40e5-9b4f-f494fdeda113
Start execution with config [20190114-154026-799972db]

   error: Finished command related to promiser '/var/rudder/inventories' -- an error occurred, returned 26
   error: Transformer '/var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.sign' => '/opt/rudder/bin/curl -L -k -1 -f -s --proxy '' --user rudder:rudder -T /var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.sign https://orchestrateur-3.labo.normation.com/inventory-updates/' returned error
   error: Finished command related to promiser '/var/rudder/inventories' -- an error occurred, returned 26
   error: Transformer '/var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.gz' => '/opt/rudder/bin/curl -L -k -1 -f -s --proxy '' --user rudder:rudder -T /var/rudder/inventories/sles-12-64-${rudder_roles.uuid}.ocs.gz https://orchestrateur-3.labo.normation.com/inventory-updates/' returned error
M| State         Technique                 Component                 Key                Message
E| error         Inventory                 inventory                                    Could not send the inventory
   error: Method 'sendInventory' failed in some repairs
   error: Method 'doInventory_always' failed in some repairs
info     Rudder agent was run on a subset of policies - not all policies were checked

somehow, the uuid_file is not read in bundle common rudder_roles