Refactor query api #6779
Refactor query api #6779
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SungJin1212
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@harry671003 Can you please help take a look at this PR? |
| package query | ||
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| // Response defines the Prometheus response format. | ||
| type Response struct { |
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Why we cannot reuse the one from util/api/response.go?
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This is to use the original code.. The v1.ErrorType doesn't have a value like ErrNotFound and ErrInternal.
pkg/util/api/parse.go
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| maxTimeFormatted = MaxTime.Format(time.RFC3339Nano) | ||
| ) | ||
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| func ExtractQueryOpts(r *http.Request) (promql.QueryOpts, error) { |
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It makes more sense to move this to query API
pkg/util/api/parse.go
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| return 0, httpgrpc.Errorf(http.StatusBadRequest, "%s", err.Error()) | ||
| } | ||
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| return util.TimeToMillis(t), nil |
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Umm, I dislike current implementation as we are still keeping 2 copies of code. Then it doesn't make much sense to put them in a common place for reuse.
And it is weird to have one function returns standard error and another returns httpgrpc error.
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I was thinking these ways.
- The
tripperwareuses original functions that return ahttperror, and then wrapshttp errorwithgrpcand convertstimestruct tounix ts. - The
api utildefines functions that returngrpcerror andunix ts(this way). - The
tripperwarereuses the original functions and changesPrometheusRequest'sint64type (unix ts) totimestruct. It requires a change to existing functions.
WDTY?
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If we define two types of functions and each type of function is either used by tripperware or query API then I would suggest we put them into separate packages rather than the same places... If they are not re-used anyway.
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Signed-off-by: SungJin1212 <[email protected]>
Signed-off-by: SungJin1212 <[email protected]>
Signed-off-by: SungJin1212 <[email protected]>
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The PR #6763 added dedicated instant/range query handlers. This PR changes the handlers to emit the original error. Also, it moves common functions used in
queryapiandtripperwareto the api util package.Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]