Difference between revisions of "HostAgent"
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Live Notes may be taken for this topic at: http://etherpad.openstack.org/HostAgent | Live Notes may be taken for this topic at: http://etherpad.openstack.org/HostAgent | ||
| + | |||
| + | === Requirements === | ||
| + | |||
| + | * should be ''nice'' to unix daemons | ||
| + | * should support syslog | ||
| + | * failure should not affect guest instances | ||
=== Considerations === | === Considerations === | ||
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* Upgrades to [[HostAgent]] code (apt-get update) without breaking current long running tasks (spawning of instances) | * Upgrades to [[HostAgent]] code (apt-get update) without breaking current long running tasks (spawning of instances) | ||
* [[HostAgent]] should be stateless, with persistent state in the datastore | * [[HostAgent]] should be stateless, with persistent state in the datastore | ||
| + | * Support [[GuestAgent]] ... | ||
Revision as of 11:49, 13 July 2010
Host Agent
Live Notes may be taken for this topic at: http://etherpad.openstack.org/HostAgent
Requirements
- should be nice to unix daemons
- should support syslog
- failure should not affect guest instances
Considerations
- Heavy I/O operations should be executed with Processing Pools (or some mechanism that limits concurrent operations)
- Upgrades to HostAgent code (apt-get update) without breaking current long running tasks (spawning of instances)
- HostAgent should be stateless, with persistent state in the datastore
- Support GuestAgent ...
