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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| { | ||
| "result": [ | ||
| { | ||
| "name": "pool1", | ||
| "id": "1", | ||
| "healthy": true, | ||
| "origins": [ | ||
| { | ||
| "name": "origin1", | ||
| "address": "127.0.0.1", | ||
| "healthy": true | ||
| }, | ||
| { | ||
| "name": "origin2", | ||
| "address": "192.168.1.1", | ||
| "healthy": false | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "pool2", | ||
| "id": "2", | ||
| "healthy": true, | ||
| "origins": [ | ||
| { | ||
| "name": "origin3", | ||
| "address": "10.0.0.1", | ||
| "healthy": true | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "pool3", | ||
| "id": "3", | ||
| "healthy": false, | ||
| "origins": [ | ||
| { | ||
| "name": "origin4", | ||
| "address": "10.0.0.1", | ||
| "healthy": false | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // Copyright 2020 The Prometheus Authors | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package transformers | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "github.com/itchyny/gojq" | ||
| ) | ||
|
|
||
| // JQTransformer struct for jq transformation | ||
| type JQTransformer struct { | ||
| Query string | ||
| } | ||
|
|
||
| // NewJQTransformer creates a new JQTransformer with a given query | ||
| func NewJQTransformer(query string) JQTransformer { | ||
| return JQTransformer{Query: query} | ||
| } | ||
|
|
||
| // Transform applies the jq filter transformation to the input data | ||
| func (jq JQTransformer) Transform(data []byte) ([]byte, error) { | ||
| return applyJQFilter(data, jq.Query) | ||
| } | ||
|
|
||
| // applyJQFilter uses gojq to apply a jq transformation to the input data | ||
| func applyJQFilter(jsonData []byte, jqQuery string) ([]byte, error) { | ||
| var input interface{} | ||
| if err := json.Unmarshal(jsonData, &input); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| query, err := gojq.Parse(jqQuery) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| iter := query.Run(input) | ||
| var results []interface{} | ||
| for { | ||
| v, ok := iter.Next() | ||
| if !ok { | ||
| break | ||
| } | ||
| if err, ok := v.(error); ok { | ||
| return nil, err | ||
| } | ||
| results = append(results, v) | ||
| } | ||
|
|
||
| // Convert the transformed result back to JSON []byte | ||
| transformedJSON, err := json.Marshal(results) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return transformedJSON, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // Copyright 2020 The Prometheus Authors | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package transformers | ||
|
|
||
| import "fmt" | ||
|
|
||
| type Transformer interface { | ||
| Transform(data []byte) ([]byte, error) | ||
| } | ||
|
|
||
| type TransformationConfig struct { | ||
| Type string | ||
| Query string | ||
| } | ||
|
|
||
| func NewTransformer(config TransformationConfig) (Transformer, error) { | ||
| switch config.Type { | ||
| case "jq": | ||
| return NewJQTransformer(config.Query), nil | ||
| default: | ||
| return nil, fmt.Errorf("unsupported transformer type: %s", config.Type) | ||
| } | ||
| } |
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