DaanHoogland commented on issue #3839: FEATURE-3823: kvm agent hooks
URL: https://github.com/apache/cloudstack/pull/3839#issuecomment-590805317
 
 
   thanks
   
   > These are system-wide scripts, which are deployed based on certain logic 
implemented for a cloud, they are not per-user, per-vm, etc. The hooks are 
deployed to agents with Ansible or another way. After being deployed, they 
substitute the old ones, so it helps to upgrade transparently.
   
   So if I understand correctly, they are not activated in the agent.properties 
by cloudstack, nor deactivated?
   
   Why I am asking is that this means, to guarantee their working a mechanism 
must be in place out of band that guards the contents in case of updates from 
ACS, like the agent lb feature.
   
   > Administrators never write hooks by themselves, they are implemented by 
cloud architectors/developers according to the cloud expected properties, which 
are beyond the logic implemented in ACS standard functionality.
   
   clear
   
   ...
   
   > Hope it clarifies things a little bit.
   
   it does ;)
   

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