When adding a must_exist field to a remove index alias API call it does not recognize the field. Also does not show up in autocomplete in Kibana.
POST /_aliases
{
"actions": [
{
"remove": {
"index": "doesntmatter",
"alias": "aliasname",
"must_exist": true
}
}
]
}
{
"error" : {
"root_cause" : [
{
"type" : "x_content_parse_exception",
"reason" : "[7:9] [remove] unknown field [must_exist]"
}
],
"type" : "x_content_parse_exception",
"reason" : "[7:23] [aliases] failed to parse field [actions]",
"caused_by" : {
"type" : "x_content_parse_exception",
"reason" : "[7:23] [alias_action] failed to parse field [remove]",
"caused_by" : {
"type" : "x_content_parse_exception",
"reason" : "[7:9] [remove] unknown field [must_exist]"
}
}
},
"status" : 400
}
Elasticsearch version : 7.9
Description of the problem including expected versus actual behavior:
The PR for this feature.
When adding a must_exist field to a remove index alias API call it does not recognize the field. Also does not show up in autocomplete in Kibana.
Initially reported - https://discuss.elastic.co/t/must-exist/249009
Steps to reproduce:
Returns Error
Verified the field is present
https://github.com/elastic/elasticsearch/blob/7.9/server/src/main/java/org/elasticsearch/action/admin/indices/alias/IndicesAliasesRequest.java#L101
Verified the error handing works if you change type to add
https://github.com/elastic/elasticsearch/blob/7.9/server/src/main/java/org/elasticsearch/action/admin/indices/alias/IndicesAliasesRequest.java#L477
Possible reason is that the field is not in XContentBuilder
https://github.com/elastic/elasticsearch/blob/7.9/server/src/main/java/org/elasticsearch/action/admin/indices/alias/IndicesAliasesRequest.java#L521