logs: label 'target' cannot be used at it is already defined by default. Renaming it in 'name'

[wat-org]

What this PR does / Which issue(s) does the PR fix:

The prober logger contains by default a label 'module' and a label 'target', which contains contextual information related to the current module/target.
Some logs related to dns explicitly specifies a label 'target', and consequently overrides the content of the default label 'target' and make log correlation difficult.
The aim of this PR if to fix this: using another label name, the label 'target' will have a consistant value and simplify log correlation.

example

before the fix:

time=2026-01-08T10:19:33.736Z level=INFO source=handler.go:123 msg="Beginning probe" module=http-xxx target=https://www.example.com/api/health probe=http timeout_seconds=5
time=2026-01-08T10:19:33.737Z level=INFO source=utils.go:61 msg="Resolving target address" module=http-xxx target=www.example.com ip_protocol=ip4
time=2026-01-08T10:19:33.739Z level=INFO source=utils.go:74 msg="Resolved target address" module=http-xxx target=www.example.com ip=104.18.26.120
time=2026-01-08T10:19:33.740Z level=INFO source=http.go:207 msg="Making HTTP request" module=http-xxx target=https://www.example.com/api/health url=https://104.18.26.120/api/health host=www.example.com
time=2026-01-08T10:19:33.749Z level=INFO source=http.go:542 msg="Received HTTP response" module=http-xxx target=https://www.example.com/api/health status_code=200
time=2026-01-08T10:19:33.749Z level=INFO source=http.go:673 msg="Response timings for roundtrip" module=http-xxx target=https://www.example.com/api/health roundtrip=0 start=2026-01-08T10:19:33.740Z dnsDone=2026-01-08T10:19:33.740Z connectDone=2026-01-08T10:19:33.741Z gotConn=2026-01-08T10:19:33.745Z responseStart=2026-01-08T10:19:33.749Z tlsStart=2026-01-08T10:19:33.741Z tlsDone=2026-01-08T10:19:33.745Z end=2026-01-08T10:19:33.749Z
time=2026-01-08T10:19:33.749Z level=INFO source=handler.go:134 msg="Probe succeeded" module=http-xxx target=https://www.example.com/api/health duration_seconds=0.012727658

->
the logs generated by the prober have target=https://www.example.com/api/health
the logs produced by utils.go have target=www.example.com
->
label target is not consistant.
it is hard to correlate logs.

after the fix:

time=2026-01-08T10:19:33.736Z level=INFO source=handler.go:123 msg="Beginning probe" module=http-xxx target=https://www.example.com/api/health probe=http timeout_seconds=5
time=2026-01-08T10:19:33.737Z level=INFO source=utils.go:61 msg="Resolving target address" module=http-xxx target=https://www.example.com/api/health name=www.example.com ip_protocol=ip4
time=2026-01-08T10:19:33.739Z level=INFO source=utils.go:74 msg="Resolved target address" module=http-xxx target=https://www.example.com/api/health name=www.example.com ip=104.18.26.120
time=2026-01-08T10:19:33.740Z level=INFO source=http.go:207 msg="Making HTTP request" module=http-xxx target=https://www.example.com/api/health url=https://104.18.26.120/api/health host=www.example.com
time=2026-01-08T10:19:33.749Z level=INFO source=http.go:542 msg="Received HTTP response" module=http-xxx target=https://www.example.com/api/health status_code=200
time=2026-01-08T10:19:33.749Z level=INFO source=http.go:673 msg="Response timings for roundtrip" module=http-xxx target=https://www.example.com/api/health roundtrip=0 start=2026-01-08T10:19:33.740Z dnsDone=2026-01-08T10:19:33.740Z connectDone=2026-01-08T10:19:33.741Z gotConn=2026-01-08T10:19:33.745Z responseStart=2026-01-08T10:19:33.749Z tlsStart=2026-01-08T10:19:33.741Z tlsDone=2026-01-08T10:19:33.745Z end=2026-01-08T10:19:33.749Z
time=2026-01-08T10:19:33.749Z level=INFO source=handler.go:134 msg="Probe succeeded" module=http-xxx target=https://www.example.com/api/health duration_seconds=0.012727658

->
the logs generated by the prober have target=https://www.example.com/api/health
the logs produced by utils.go have target=https://www.example.com/api/health (and name=www.example.com)
->
label target is consistant.
it is simple to correlate logs.

Does this PR introduce a user-facing change?

not at all

Checklist

• Tests updated (N/A)
• Documentation added (N/A)
• CHANGELOG added in release-notes section of PR Desc. (N/A)

[wat-org]

hello @electron0zero
I've seen you have merged a PR few days ago.
Could you have a look at this one ?
Regards

[wat-org]

hello @SuperQ
I've seen you have merged a PR few days ago.
Could you have a look at this one ?
Regards