CI: Can preset leader via env var BLAZINGMQ_LEADER_NAME for integration tests #693
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Signed-off-by: Dmitrii Petukhov <[email protected]>
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Describe your changes
Added a new env var BLAZINGMQ_LEADER_NAME which is respected in Integration tests runner. It allows to preset leader node in the cluster fixture.
The preset of leader is done via altering quorum for nodes. If the evn var BLAZINGMQ_LEADER_NAME is specified, for the selected leader quorum is set to 1, for all other nodes -- 100. This approach allows the specified node to win in leader election.
Testing performed