Allow for Tags on non base level JSON format #4284
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maxunt
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plugins/parsers/json/parser.go
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| case bool: | ||
| tags[name] = strconv.FormatBool(fields[name].(bool)) | ||
| delete(fields, name) | ||
| case int: |
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I think it is not possible to have ints in parsed JSON, so we can remove this case. Let's also add a warning though if we hit the default case:
log.Printf("E! [parsers.json] Unrecognized type %T", value)
plugins/parsers/json/parser.go
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| for _, name := range p.TagKeys { | ||
| //switch any fields in tagkeys into tags | ||
| if fields[name] != nil { | ||
| switch fields[name].(type) { |
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To avoid needing to type assert in each case, you can do this:
switch value := fields[name].(type) {
Then in each case the value will already be in the type of the case label.
plugins/parsers/json/parser.go
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| func (p *JSONParser) switchFieldToTag(tags map[string]string, fields map[string]interface{}) (map[string]string, map[string]interface{}) { | ||
| for _, name := range p.TagKeys { | ||
| //switch any fields in tagkeys into tags | ||
| if fields[name] != nil { |
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Nitpick, instead of nesting the switch statement in this check, I would check and continue:
if fields[name] == nil {
continue
}
switch ....
This help with readability because the scope of the conditional is reduced.
plugins/parsers/json/parser.go
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| @@ -119,6 +159,9 @@ func (f *JSONFlattener) FlattenJSON( | |||
| if f.Fields == nil { | |||
| f.Fields = make(map[string]interface{}) | |||
| } | |||
|
|
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| //bool values to be changed to allow strings, bools as fields | |||
| //changed to true true, func switchFieldToTag will remove values | |||
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I would remove this comment
plugins/parsers/json/parser_test.go
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| parser := JSONParser{ | ||
| MetricName: "json_test", | ||
| TagKeys: []string{"total_devices", "total_threads", "shares_tester", "shares_tester3"}, | ||
| //TagKeys: []string{"mytag", "a", "b_c", "b_d"}, |
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Remove any commented out code
plugins/parsers/json/parser_test.go
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| t.Logf("error: %v", err) | ||
| t.Logf("num of metrics: %v", len(metrics)) | ||
| t.Logf("metric tags: %v", metrics[0].Tags()) | ||
| t.Logf("metric fields: %v", metrics[0].Fields()) |
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Instead of logging the values, use require to assert that the values are as expected.
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| metric, err := metric.New(p.MetricName, tags, f.Fields, time.Now().UTC()) | ||
| tags, nFields := p.switchFieldToTag(tags, f.Fields) |
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Now that we are adjusting the values after flattening, is it still required to keep the loop above on line 47?
|
closes #4260 |
danielnelson
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(cherry picked from commit 8482c40)
mkboudreau
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Jun 22, 2018
* origin: (39 commits) Document path tag in tail input Update changelog Added path tag to tail input plugin (influxdata#4292) Run windows tests with -short Fix postfix input handling of multi-level queues (influxdata#4333) Update changelog Add support for comma in logparser timestamp format (influxdata#4311) Update vendoring to dep from gdm (influxdata#4314) Update changelog Add new measurement with results of pgrep lookup to procstat input (influxdata#4307) Update changelog Add valuecounter aggregator plugin (influxdata#3523) Update changelog Update docker input documentation for container status Add container status tag to docker input (influxdata#4259) Drop CI support for Go 1.8 (influxdata#4309) Update changelog Fix selection of tags under nested objects in the JSON parser (influxdata#4284) Update changelog Add owner tag on partitions in burrow input (influxdata#4281) ...
maxunt
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codesmith14
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Jul 5, 2018
…data#4284) (cherry picked from commit 8482c40)
otherpirate
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Mar 15, 2019
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