Loki: Change how push API checks for contentType #4443
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- Currently, the ContentType is expected to be exactly "application/json". That's a problem because although a "application/json; charset=utf-8" is considered a valid JSON content type, it will be seen as an error.
- mime.ParseMediaType is more reliable than strings.Contains because if a wrong contentType (such as "application/jsonnn") is given, we still accept it - mime.ParseMediaType has support for contentType parameters. This way, valid contentTypes such as "application/json; charset=utf-8" will not be rejected
- Without this change, the lint fails because gzipString would be called
with always the same input. Full error:
```
`gzipString` - `source` always receives ``{"streams": [{ "stream": {
"foo": "bar2" }, "values": [ [ "1570818238000000000", "fizzbuzz" ] ]
}]}` ("{\"streams\": [{ \"stream\": { \"foo\": \"bar2\" }, \"values\": [
[ ...)
` (unparam)
```
dannykopping
approved these changes
Oct 11, 2021
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What this PR does / why we need it:
Changes how the push API checks for contentType. Currently, the contentType is expected to be exactly
application/json, however, even other valid values such asapplication/json; charset=utf-8aren't accepted. In fact, Loki's response to that endpoint has contentTypeapplication/json; charset=utf-8so I think it is worth to support it.Which issue(s) this PR fixes:
Fixes #4442
Special notes for your reviewer:
Checklist