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Check if Filebeat log harvester tries to open named pipe #20450

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merged 2 commits into from
Aug 6, 2020

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kvch
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@kvch kvch commented Aug 5, 2020

What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

Checklist

  • My code follows the style guidelines of this project
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
    - [ ] I have made corresponding change to the default configuration files
    - [ ] I have added tests that prove my fix is effective or that my feature works
  • I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Related issues

Closes #18682

@kvch kvch added [zube]: In Review Team:Services (Deprecated) Label for the former Integrations-Services team labels Aug 5, 2020
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Pinging @elastic/integrations-services (Team:Services)

@botelastic botelastic bot added needs_team Indicates that the issue/PR needs a Team:* label and removed needs_team Indicates that the issue/PR needs a Team:* label labels Aug 5, 2020
@kvch kvch added the needs_backport PR is waiting to be backported to other branches. label Aug 5, 2020
@kvch kvch requested a review from urso August 5, 2020 13:21
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elasticmachine commented Aug 5, 2020

💚 Build Succeeded

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Build stats

  • Build Cause: [Pull request #20450 updated]

  • Start Time: 2020-08-06T13:13:45.878+0000

  • Duration: 51 min 26 sec

Test stats 🧪

Test Results
Failed 0
Passed 5516
Skipped 840
Total 6356

@kvch kvch force-pushed the fix-filebeat-hang-on-fifo branch from 9bc4d0b to 91e6e37 Compare August 6, 2020 13:12
@kvch kvch merged commit a89d81f into elastic:master Aug 6, 2020
melchiormoulin pushed a commit to melchiormoulin/beats that referenced this pull request Oct 14, 2020
## What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

## Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

## Related issues

Closes elastic#18682
kvch added a commit to kvch/beats that referenced this pull request Nov 4, 2020
## What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

## Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

## Related issues

Closes elastic#18682

(cherry picked from commit a89d81f)
@kvch kvch added v7.11.0 and removed needs_backport PR is waiting to be backported to other branches. labels Nov 4, 2020
kvch added a commit to kvch/beats that referenced this pull request Nov 4, 2020
## What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

## Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

## Related issues

Closes elastic#18682

(cherry picked from commit a89d81f)
@kvch kvch added the v7.10.0 label Nov 4, 2020
kvch added a commit that referenced this pull request Nov 6, 2020
…2422)

## What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

## Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

## Related issues

Closes #18682

(cherry picked from commit a89d81f)
kvch added a commit that referenced this pull request Nov 6, 2020
…2423)

## What does this PR do?

This PR adds a check before opening a file for harvester Filebeat. If the file is a named pipe, an error is returned and the file is not opened.

## Why is it important?

Previously if someone wanted to open a named pipe without a writer, Filebeat hangs.

## Related issues

Closes #18682

(cherry picked from commit a89d81f)
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Filebeat hangs if it tries to open a FIFO with no writer
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