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Updating logstash to v1 #76

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Updating logstash to v1 #76

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10 changes: 8 additions & 2 deletions logstash.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,9 @@ const jsonStringify = require('fast-safe-stringify');
*/
module.exports = format(info => {
const logstash = {};

if (info.message) {
logstash['@message'] = info.message;
logstash.message = info.message;
delete info.message;
}

Expand All @@ -23,7 +24,12 @@ module.exports = format(info => {
delete info.timestamp;
}

logstash['@fields'] = info;
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@ad737079 ad737079 Aug 1, 2019

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Removing this line will also remove all root level fields, not just level.

if (info.level) {
logstash.level = info.level;
delete info.level;
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@DABH DABH Mar 11, 2019

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@tomasAlabes Thanks and sorry for slow review! Only question is: why are you deleting info.level? This doesn't seem necessary and feels like it could interfere with subsequent formatters that expect to find it? Let me know what you think -- thanks!

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@tomasAlabes tomasAlabes Mar 12, 2019

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No problem David.
Honestly, I was just following the pattern of the previous code 🤷‍♂️

}

logstash['@version'] = 1;
info[MESSAGE] = jsonStringify(logstash);
return info;
});
22 changes: 10 additions & 12 deletions test/logstash.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,36 +9,34 @@ const { MESSAGE } = require('triple-beam');
const TIMESTAMP = Symbol.for('timestamp');

describe('logstash', () => {
it('default { @message, @fields } sets info[MESSAGE]', helpers.assumeFormatted(
it('default { @version, message } sets info[MESSAGE]', helpers.assumeFormatted(
logstash(),
{ level: 'info', message: 'whatever' },
(info, expected) => {
assume(info.level).equals('info');
assume(info.level).equals(undefined);
assume(info.message).equals(undefined);
assume(info[MESSAGE]).equals(JSON.stringify({
'@message': expected.message,
'@fields': {
level: expected.level
}
'message': expected.message,
'level': expected.level,
'@version': 1
}));
}
));

it('with timestamp { @message, @timestamp, @fields } sets info[MESSAGE]', helpers.assumeFormatted(
it('with timestamp { @version, @timestamp, message } sets info[MESSAGE]', helpers.assumeFormatted(
combine(
timestamp({ alias: TIMESTAMP }),
logstash()
),
{ level: 'info', message: 'whatever' },
(info, expected) => {
assume(info.level).equals('info');
assume(info.level).equals(undefined);
assume(info.message).equals(undefined);
assume(info[MESSAGE]).equals(JSON.stringify({
'@message': expected.message,
'message': expected.message,
'@timestamp': info[TIMESTAMP],
'@fields': {
level: expected.level
}
'level': expected.level,
'@version': 1
}));
}
));
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