Aaron Lindsey created GEODE-7830:
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Summary: Management REST API rebalance endpoints return confusing
operationResults
Key: GEODE-7830
URL: https://issues.apache.org/jira/browse/GEODE-7830
Project: Geode
Issue Type: Bug
Components: management
Reporter: Aaron Lindsey
We observed odd behavior regarding the operationResult object returned in the
rebalance API:
# It contains success=false if the cluster has no regions or has no servers.
This is confusing because the rebalance didn't fail — it just didn't have
anything to rebalance so it was basically a no-op. As a consumer of this API, I
need to be able to distinguish between "real" failures and this "no-op"
failure, and I should not have to write code to parse the "statusMessage" to do
that.
# Sometimes, success=true and other times success=false for the same
statusMessage: "Distributed system has no regions that can be rebalanced." This
is confusing because I don't know why it sometimes considers this a failure and
other times considers it a success. If #1 above is fixed, then this would not
be an issue because it would always return success=true for this particular
statusMessage.
Here is an example of two confusing operationResults we observed:
{code:json}
{
"result": [
{
"statusCode": "OK",
"links": {
"self":
"http://geodecluster-sample-locator.default/management/v1/operations/rebalances/15dfe6ef-acaf-4a45-9b55-1d855a977ba8";,
"list":
"http://geodecluster-sample-locator.default/management/v1/operations/rebalances";
},
"operationStart": "2020-02-25T18:53:34.058Z",
"operationEnd": "2020-02-25T18:53:34.063Z",
"operationId": "15dfe6ef-acaf-4a45-9b55-1d855a977ba8",
"operation": {
"simulate": false
},
"operationResult": {
"statusMessage": "Distributed system has no regions that can be
rebalanced.",
"success": true
}
},
{
"statusCode": "OK",
"links": {
"self":
"http://geodecluster-sample-locator.default/management/v1/operations/rebalances/8218ce0d-e3b8-4c49-b925-665a28e821c3";,
"list":
"http://geodecluster-sample-locator.default/management/v1/operations/rebalances";
},
"operationStart": "2020-02-25T18:53:45.650Z",
"operationEnd": "2020-02-25T18:53:45.654Z",
"operationId": "8218ce0d-e3b8-4c49-b925-665a28e821c3",
"operation": {
"simulate": false
},
"operationResult": {
"statusMessage": "Distributed system has no regions that can be
rebalanced.",
"success": false
}
}
],
"statusCode": "OK"
}
{code}
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