88fe8afe50
Code handling agents status updates coming via RPC checks, if a corresponding entry for the given (agent_type, host) pair already exists in DB and updates it. And if it doesn't exist, a new entry is created. Without a unique constraint this can cause a race condition resulting in adding of two agent entries having the same value of (agent_type, host) pair. Note, that it's already not allowed to have multiple agents of the same type having the same host value, but currently it's enforced only at code level, not at DB schema level, which effectively makes race conditions possible. Closes-Bug: #1254246 Change-Id: I1ebaa111154b3d6b34074705b579097ab730594c |
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| base.py | ||
| tools.py | ||