add while pattern multiline reader to Filebeat #19662
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Since this is a community submitted pull request, a Jenkins build has not been kicked off automatically. Can an Elastic organization member please verify the contents of this patch and then kick off a build manually? |
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Since this is a community submitted pull request, a Jenkins build has not been kicked off automatically. Can an Elastic organization member please verify the contents of this patch and then kick off a build manually? |
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You mention in your PR that 5 events are expected in case of the input you have provided. Are 4 of those events empty? |
kvch
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Jul 6, 2020
It's simple example: |
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kvch
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Jul 27, 2020
kvch
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Jul 27, 2020
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Please rebase the branch and address the minor notes. |
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jenkins run tests |
kvch
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Jul 31, 2020
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…ne-2.0 * upstream/master: New multiline mode in Filebeat: while_pattern (elastic#19662) Allow space or time sync character before timestamp on syslog messages (elastic#13278) Skip TestDockerStart (elastic#20361) Change licence of github.com/gorhill/cronexpr to Apache (elastic#20351)
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…allation * upstream/master: (23 commits) [docs] Promote ingest management to beta (elastic#20295) Upgrade elasticsearch client library used in tests (elastic#20405) Disable logging when pulling on python integration tests (elastic#20397) Remove pillow from testing requirements.txt (elastic#20407) [Filebeat][ATP Module]Setting user agent field required by the API (elastic#20440) [Ingest Manager] Send datastreams fields (elastic#20402) Add event.ingested to all Filebeat modules (elastic#20386) [Elastic Agent] Fix agent control socket path to always be less than 107 characters (elastic#20426) Improve cgroup_regex docs with examples (elastic#20425) Makes `metrics` config option required in app_insights (elastic#20406) Ensure install scripts only install if needed (elastic#20349) Update container name for the azure filesets (elastic#19899) Group same timestamp metrics values in app_insights metricset (elastic#20403) add_process_metadata processor adds container id even if process metadata not accessible (elastic#19767) Support "cluster" scope in Metricbeat elasticsearch module (elastic#18547) [Filebeat][SophosXG Module] Renaming module and fileset (elastic#20396) Update Suricata dashboards (elastic#20394) [Elastic Agent] Improve version, restart, enroll CLI commands (elastic#20359) Prepare home directories for docker images in a different stage (elastic#20356) New multiline mode in Filebeat: while_pattern (elastic#19662) ...
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## What does this PR do?
Added a new type for multiline reader. It combines the lines that satisfy the pattern.
## Why is it important?
The current pattern reader combines lines matching the pattern + line at the beginning or at the end. So you need to know where the multiline starts (or ends), and in cases where the logs are collected from different sources, there can be many different multilines (panic, exception python ...)
I would like to configure filebeat once according to the following rule: usually, the application writes logs in the json format, in cases of exceptions it writes multiline in some format (not json) and needs to detect such multilines.
## How to test this PR locally
example of Filebeat configuration:
```
filebeat.inputs:
- type: log
paths:
- app.log
reload.enabled: true
multiline:
type: 'while_pattern'
pattern: '^{'
negate: true
output.console:
pretty: true
```
example app.log:
```
{}
{}
panic: some text
some text 2
some text 3
{}
{}
```
expect 5 events
## Use cases
- Aggregate stacktraces from many different programming languages, without the need to describe each stackrace
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@tufitko Would you happen to know if this while_pattern works/doesn't work with the new filestream input? i have it configured with the example you provided and i'm getting nothing from filebeat since I switched to while_pattern....? |
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@asazallesmilner hm, I need some research. I'll come back to you later. |
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@asazallesmilner also, can you show me your config? |
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filebeat.inputs:
Note: i don't know how to get this to display right when i'm not editing it, but i'm pretty sure i have the indentation correct. |
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@asazallesmilner I didn't find any problem with while_pattern logic, did you try running without it? beats/libbeat/reader/readjson/json.go Line 88 in 47fe3c3 Sorry, but I'm totally out of context, so more information is necessary |
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and samples of logs is helpful too :) |
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debug logs show absolutely nothing of interest small.log.sample.txt When I was using the regular pattern it sent just fine, minus the multiline not handling the where multiline got applied. |
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I found my issue. I Assumed that since this PR was done so long ago, it would be in the code for version 7.17 of Filebeat. I just noticed I was wrong and this only appears in the docs for 8.0+ Sorry about that. THANK YOU for looking into it!!!!! |
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@asazallesmilner oh, Okey! No problem :) |
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What does this PR do?
Added a new type for multiline reader. It combines the lines that satisfy the pattern.
Why is it important?
The current pattern reader combines lines matching the pattern + line at the beginning or at the end. So you need to know where the multiline starts (or ends), and in cases where the logs are collected from different sources, there can be many different multilines (panic, exception python ...)
I would like to configure filebeat once according to the following rule: usually, the application writes logs in the json format, in cases of exceptions it writes multiline in some format (not json) and needs to detect such multilines.
Checklist
[ ] I have made corresponding change to the default configuration filesCHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.Author's Checklist
How to test this PR locally
example of Filebeat configuration:
example app.log:
expect 5 events
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