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Add support for variable parser to handle : as default constant .#9451

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blakerouse merged 9 commits intoelastic:mainfrom
blakerouse:fix-9328
Aug 19, 2025
Merged

Add support for variable parser to handle : as default constant .#9451
blakerouse merged 9 commits intoelastic:mainfrom
blakerouse:fix-9328

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@blakerouse blakerouse commented Aug 18, 2025 •
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What does this PR do?

Adds backwards compatibility for the : that comes from go-ucfg that was originally used in outputs before b59d51a was merged.

The : allows the following characters to be considered a constant where the | considers the following characters as a variable unless wrapped in quotes. This allows ${ELASTICSEARCH_USERNAME:} to be used in outputs and work originally as it used to before variables provider was switch for output replacement.

Why is it important?

This ensures that configurations that used the go-ucfg syntax in output configuration works as it always did, but continues to allow the composable providers in outputs.

Checklist

  • I have read and understood the pull request guidelines of this project.
  • 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/fragments using the changelog tool
  • [ ] I have added an integration test or an E2E test (covered in unit tests)

Disruptive User Impact

None.

Related issues
@blakerouse blakerouse changed the title Add support for variable parser to handle ': as default constant . Aug 18, 2025
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mergify bot commented Aug 18, 2025

This pull request does not have a backport label. Could you fix it @blakerouse? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

  • backport-./d./d is the label that automatically backports to the 8./d branch. /d is the digit
  • backport-active-all is the label that automatically backports to all active branches.
  • backport-active-8 is the label that automatically backports to all active minor branches for the 8 major.
  • backport-active-9 is the label that automatically backports to all active minor branches for the 9 major.
@blakerouse blakerouse added backport-9.1 Automated backport to the 9.1 branch Team:Elastic-Agent-Control-Plane Label for the Agent Control Plane team labels Aug 18, 2025
@blakerouse blakerouse changed the title Add support for variable parser to handle : as default constant Aug 18, 2025
@blakerouse blakerouse marked this pull request as ready for review August 18, 2025 19:55
@blakerouse blakerouse requested a review from a team as a code owner August 18, 2025 19:55
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elasticmachine commented Aug 18, 2025

Pinging @elastic/elastic-agent-control-plane (Team:Elastic-Agent-Control-Plane)
cmacknz
cmacknz reviewed Aug 19, 2025
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Tested this and it fixes the problem, a couple questions about tests though
@cmacknz cmacknz linked an issue Aug 19, 2025 that may be closed by this pull request
Starting the elastic-agent docker container fails resolving ELASTICSEARCH_API_KEY variable even when it is provided #9328
Closed
@blakerouse blakerouse added backport-8.x Automated backport to the 8.x branch with mergify backport-8.18 Automated backport to the 8.18 branch backport-9.0 Automated backport to the 9.0 branch backport-8.19 Automated backport to the 8.19 branch labels Aug 19, 2025
blakerouse and others added 5 commits August 19, 2025 11:48
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881332d 
Co-authored-by: Craig MacKenzie <craig.mackenzie@elastic.co>
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Apply suggestion from @cmacknz
1758828 
Co-authored-by: Craig MacKenzie <craig.mackenzie@elastic.co>
@blakerouse
Add escape error tests.
b442cc1
@blakerouse
Fix changelog entry to be valid YAML.
0eb6479
@blakerouse
Don't include elastic-agent.yml changes.
e0e28ea
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blakerouse commented Aug 19, 2025

@cmacknz This is ready for another review.
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elastic-sonarqube bot commented Aug 19, 2025

Quality Gate passed Quality Gate passed

Issues
1 New issue
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube
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elasticmachine commented Aug 19, 2025

💚 Build Succeeded

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cc @blakerouse
@blakerouse blakerouse merged commit c067b6a into elastic:main Aug 19, 2025
19 checks passed
mergify bot pushed a commit that referenced this pull request Aug 19, 2025
@blakerouse @mergify
Add support for variable parser to handle : as default constant . (#…
c80885b 
…9451)

(cherry picked from commit c067b6a)

# Conflicts:
#	internal/pkg/agent/transpiler/vars_test.go
mergify bot pushed a commit that referenced this pull request Aug 19, 2025
@blakerouse @mergify
Add support for variable parser to handle : as default constant . (#…
6f7fb4e 
…9451)

(cherry picked from commit c067b6a)
This was referenced Aug 19, 2025
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mergify bot pushed a commit that referenced this pull request Aug 19, 2025
@blakerouse @mergify
Add support for variable parser to handle : as default constant . (#…
f6cd88b 
…9451)

(cherry picked from commit c067b6a)
@mergify mergify bot mentioned this pull request Aug 19, 2025
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mergify bot pushed a commit that referenced this pull request Aug 19, 2025
@blakerouse @mergify
Add support for variable parser to handle : as default constant . (#…
9f8eb35 
…9451)

(cherry picked from commit c067b6a)
@mergify mergify bot mentioned this pull request Aug 19, 2025
Merged
5 tasks
@blakerouse blakerouse removed the backport-8.18 Automated backport to the 8.18 branch label Aug 20, 2025
blakerouse added a commit that referenced this pull request Aug 20, 2025
@mergify @blakerouse
Add support for variable parser to handle : as default constant . (#…
bb24335 
…9451) (#9485)

(cherry picked from commit c067b6a)

Co-authored-by: Blake Rouse <blake.rouse@elastic.co>
blakerouse added a commit that referenced this pull request Aug 20, 2025
@mergify @blakerouse
Add support for variable parser to handle : as default constant . (#…
a2501d4 
…9451) (#9486)

(cherry picked from commit c067b6a)

Co-authored-by: Blake Rouse <blake.rouse@elastic.co>
blakerouse added a commit that referenced this pull request Aug 20, 2025
@mergify @blakerouse
Add support for variable parser to handle : as default constant . (#…
57d86ae 
…9451) (#9484)

(cherry picked from commit c067b6a)

Co-authored-by: Blake Rouse <blake.rouse@elastic.co>
kaanyalti pushed a commit to kaanyalti/elastic-agent that referenced this pull request Sep 4, 2025
@blakerouse
Add support for variable parser to handle : as default constant . (e…
146e2ee 
…lastic#9451)
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backport-8.x Automated backport to the 8.x branch with mergify backport-8.19 Automated backport to the 8.19 branch backport-9.0 Automated backport to the 9.0 branch backport-9.1 Automated backport to the 9.1 branch Team:Elastic-Agent-Control-Plane Label for the Agent Control Plane team

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