Aaron Peeler created VCL-846:
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Summary: Improve flow of handling nodes for deleted reservations
assigned to new reservations
Key: VCL-846
URL: https://issues.apache.org/jira/browse/VCL-846
Project: VCL
Issue Type: Bug
Components: vcld (backend), web gui (frontend)
Reporter: Aaron Peeler
Fix For: 2.5
As a user can make a new reservation, the front-end can assign a node that is
currently being cleaned up from a deleted reservation. So far the states
observed are:
currentstate = pending
laststate = deleted
node state = reserved
If this node is assigned to a new reservation, the back end checks for existing
process, logs it and fails the new reservation. It fails it likely because the
new process on the backend does not know how much time is left to clean up the
deleted reservation.
A decision/implementation on synchronizing the front-end and back-end needs to
be made on how to handle this case as to not have reservation failures.
Suggestions are to:
1) only select available machines not assigned to reservations on the front
end.
2) Or on the backend - wait until the previous deleted process is complete(
which could take a while depending on what can be done)
3) on the backend - intercept the process and force a reload - not matter what
the image is.
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