[Networking] Prevent duplicate security group rules in shared storage security group #7191
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… security group. The deduplication is needed because when duplicate rules are requested, the CFN handler responsible for their creation goes into a path that is more susceptible to eventual consistency issue. When such issue occur, cluster creation may fail.
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Description of changes
Prevent duplicate security group rules in shared storage security group.
The deduplication is needed because when duplicate rules are requested, the CFN handler responsible for their creation goes into a path that is more susceptible to eventual consistency issue.
When such issue occur, cluster creation fail.
Tests
SUCCEEDED integration tests:
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