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PYTHON-2970 Prioritize electionId over setVersion for stale primary c…
…heck (mongodb#845)
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92 changes: 92 additions & 0 deletions
92
test/discovery_and_monitoring/rs/electionId_precedence_setVersion.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| { | ||
| "description": "ElectionId is considered higher precedence than setVersion", | ||
| "uri": "mongodb://a/?replicaSet=rs", | ||
| "phases": [ | ||
| { | ||
| "responses": [ | ||
| [ | ||
| "a:27017", | ||
| { | ||
| "ok": 1, | ||
| "helloOk": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000001" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ], | ||
| [ | ||
| "b:27017", | ||
| { | ||
| "ok": 1, | ||
| "helloOk": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 2, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000001" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ], | ||
| [ | ||
| "a:27017", | ||
| { | ||
| "ok": 1, | ||
| "helloOk": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000002" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ] | ||
| ], | ||
| "outcome": { | ||
| "servers": { | ||
| "a:27017": { | ||
| "type": "RSPrimary", | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| }, | ||
| "b:27017": { | ||
| "type": "Unknown", | ||
| "setName": null, | ||
| "setVersion": null, | ||
| "electionId": null | ||
| } | ||
| }, | ||
| "topologyType": "ReplicaSetWithPrimary", | ||
| "logicalSessionTimeoutMinutes": null, | ||
| "setName": "rs", | ||
| "maxSetVersion": 1, | ||
| "maxElectionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } |
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149 changes: 149 additions & 0 deletions
149
test/discovery_and_monitoring/rs/set_version_can_rollback.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| { | ||
| "description": "Set version rolls back after new primary with higher election Id", | ||
| "uri": "mongodb://a/?replicaSet=rs", | ||
| "phases": [ | ||
| { | ||
| "responses": [ | ||
| [ | ||
| "a:27017", | ||
| { | ||
| "ok": 1, | ||
| "hello": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 2, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000001" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ] | ||
| ], | ||
| "outcome": { | ||
| "servers": { | ||
| "a:27017": { | ||
| "type": "RSPrimary", | ||
| "setName": "rs", | ||
| "setVersion": 2, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000001" | ||
| } | ||
| }, | ||
| "b:27017": { | ||
| "type": "Unknown", | ||
| "setName": null, | ||
| "electionId": null | ||
| } | ||
| }, | ||
| "topologyType": "ReplicaSetWithPrimary", | ||
| "logicalSessionTimeoutMinutes": null, | ||
| "setName": "rs", | ||
| "maxSetVersion": 2, | ||
| "maxElectionId": { | ||
| "$oid": "000000000000000000000001" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "_comment": "Response from new primary with newer election Id", | ||
| "responses": [ | ||
| [ | ||
| "b:27017", | ||
| { | ||
| "ok": 1, | ||
| "hello": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000002" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ] | ||
| ], | ||
| "outcome": { | ||
| "servers": { | ||
| "a:27017": { | ||
| "type": "Unknown", | ||
| "setName": null, | ||
| "electionId": null | ||
| }, | ||
| "b:27017": { | ||
| "type": "RSPrimary", | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| } | ||
| }, | ||
| "topologyType": "ReplicaSetWithPrimary", | ||
| "logicalSessionTimeoutMinutes": null, | ||
| "setName": "rs", | ||
| "maxSetVersion": 1, | ||
| "maxElectionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "_comment": "Response from stale primary", | ||
| "responses": [ | ||
| [ | ||
| "a:27017", | ||
| { | ||
| "ok": 1, | ||
| "hello": true, | ||
| "isWritablePrimary": true, | ||
| "hosts": [ | ||
| "a:27017", | ||
| "b:27017" | ||
| ], | ||
| "setName": "rs", | ||
| "setVersion": 2, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000001" | ||
| }, | ||
| "minWireVersion": 0, | ||
| "maxWireVersion": 6 | ||
| } | ||
| ] | ||
| ], | ||
| "outcome": { | ||
| "servers": { | ||
| "a:27017": { | ||
| "type": "Unknown", | ||
| "setName": null, | ||
| "electionId": null | ||
| }, | ||
| "b:27017": { | ||
| "type": "RSPrimary", | ||
| "setName": "rs", | ||
| "setVersion": 1, | ||
| "electionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| } | ||
| }, | ||
| "topologyType": "ReplicaSetWithPrimary", | ||
| "logicalSessionTimeoutMinutes": null, | ||
| "setName": "rs", | ||
| "maxSetVersion": 1, | ||
| "maxElectionId": { | ||
| "$oid": "000000000000000000000002" | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } |
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