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[dbnode] Introduce Resource Exhausted RPC Error flag for query limits (…
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59 changes: 59 additions & 0 deletions
59
src/dbnode/network/server/tchannelthrift/errors/errors_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package errors | ||
|
|
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| import ( | ||
| "errors" | ||
| "testing" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| func TestErrorsAreRecognized(t *testing.T) { | ||
| someError := errors.New("some inner error") | ||
|
|
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| tests := []struct { | ||
| name string | ||
| value bool | ||
| }{ | ||
| { | ||
| name: "internal error", | ||
| value: IsInternalError(NewInternalError(someError)), | ||
| }, | ||
| { | ||
| name: "bad request error", | ||
| value: IsBadRequestError(NewBadRequestError(someError)), | ||
| }, | ||
| { | ||
| name: "resource exhausted error", | ||
| value: IsBadRequestError(NewResourceExhaustedError(someError)), | ||
| }, | ||
| { | ||
| name: "resource exhausted flag", | ||
| value: IsResourceExhaustedErrorFlag(NewResourceExhaustedError(someError)), | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| assert.True(t, tt.value) | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
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| package limits | ||
|
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| import xerrors "github.com/m3db/m3/src/x/errors" | ||
|
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| type queryLimitExceededError struct { | ||
| msg string | ||
| } | ||
|
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| // NewQueryLimitExceededError creates a query limit exceeded error. | ||
| func NewQueryLimitExceededError(msg string) error { | ||
| return &queryLimitExceededError{ | ||
| msg: msg, | ||
| } | ||
| } | ||
|
|
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| func (err *queryLimitExceededError) Error() string { | ||
| return err.msg | ||
| } | ||
|
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| // IsQueryLimitExceededError returns true if the error is a query limits exceeded error. | ||
| func IsQueryLimitExceededError(err error) bool { | ||
| for err != nil { | ||
| if _, ok := err.(*queryLimitExceededError); ok { //nolint:errorlint | ||
| return true | ||
| } | ||
| err = xerrors.InnerError(err) | ||
| } | ||
| return false | ||
| } |
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