Add support for LokiOrgID configuration and update HTTP headers accor…

[ggontariu]

…dingly

[CLAassistant]

All committers have signed the CLA.

[Copilot]

Pull request overview

Adds initial support for configuring a Loki tenant/organization ID and using it in Loki HTTP requests.

Changes:

• Added LokiOrgID to the main configuration struct.
• Switched the Loki connectivity check from http.Get to an explicit request so a custom header can be set.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
remotelog/loki.go	Builds a GET request for the Loki label endpoint and conditionally sets X-Scope-OrgID.
config/config.go	Introduces the LokiOrgID configuration field.

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[adubovikov]

@ggontariu thank you - please check the Copilot reply.

[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

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[adubovikov]

@ggontariu please review the Copilot's reply.

[ggontariu]

@adubovikov remotelog/loki had no tests. I added test_loki.go

[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

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[ggontariu]

@adubovikov Comments resolved

[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated no new comments.

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