feat: Include cluster name in the output

[dabico]

What this PR does / why we need it?

Include the cluster name as part of the output. Obtained either through the kubeconfig or overridden through a CLI flag.

PR Checklist

• This PR adds K8s exceptions (false positives)
• This PR adds new code
• This PR includes tests for new/existing code
• This PR adds docs

GitHub Issue

Closes #579

Notes for your reviewers

Since this information is not propagated to the formatter, the name of the cluster will not be part of reports that are sent to Slack. Planning to add that in a subsequent commit.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 22.41379% with 45 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.58%. Comparing base (58fc28d) to head (826e0b9).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/kor/kor.go	72.22%	2 Missing and 3 partials ⚠️
pkg/utils/banner.go	0.00%	5 Missing ⚠️
cmd/kor/root.go	0.00%	4 Missing ⚠️
pkg/kor/formatter.go	0.00%	4 Missing ⚠️
cmd/kor/all.go	0.00%	1 Missing ⚠️
cmd/kor/clusterrolebindings.go	0.00%	1 Missing ⚠️
cmd/kor/clusterroles.go	0.00%	1 Missing ⚠️
cmd/kor/configmaps.go	0.00%	1 Missing ⚠️
cmd/kor/crds.go	0.00%	1 Missing ⚠️
cmd/kor/daemonsets.go	0.00%	1 Missing ⚠️
... and 21 more
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #586      +/-   ##
==========================================
+ Coverage   46.56%   46.58%   +0.02%     
==========================================
  Files          69       69              
  Lines        3930     3956      +26     
==========================================
+ Hits         1830     1843      +13     
- Misses       1794     1805      +11     
- Partials      306      308       +2     

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[Copilot]

Pull request overview

Adds a cluster identifier to the CLI’s human-readable banner output, sourced from kubeconfig (or overridden via a new CLI flag), to help distinguish runs across multiple clusters.

Changes:

• Extend banner printing to optionally include a “kor cluster: …” line.
• Add kubeconfig-derived cluster/context lookup and wire it into command execution.
• Plumb a new --cluster-name-override option through commands to the banner.

Reviewed changes

Copilot reviewed 31 out of 31 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
pkg/utils/banner.go	Adds optional cluster line to version/banner output; updates function signatures to accept cluster string.
pkg/kor/kor.go	Introduces isRunningInCluster() and GetClusterName() helper; reuses in-cluster detection in config loading.
pkg/common/params.go	Adds ClusterNameOverride to shared CLI options.
cmd/kor/root.go	Populates cluster name (if not overridden) and adds --cluster-name-override flag; passes cluster to banner in root command.
cmd/kor/all.go	Passes cluster override into banner printing.
cmd/kor/clusterrolebindings.go	Passes cluster override into banner printing.
cmd/kor/clusterroles.go	Passes cluster override into banner printing.
cmd/kor/configmaps.go	Passes cluster override into banner printing.
cmd/kor/crds.go	Passes cluster override into banner printing.
cmd/kor/daemonsets.go	Passes cluster override into banner printing.
cmd/kor/deployments.go	Passes cluster override into banner printing.
cmd/kor/finalizers.go	Adds utils import and passes cluster override into banner printing.
cmd/kor/hpas.go	Passes cluster override into banner printing.
cmd/kor/ingresses.go	Passes cluster override into banner printing.
cmd/kor/jobs.go	Passes cluster override into banner printing.
cmd/kor/networkpolicies.go	Passes cluster override into banner printing.
cmd/kor/pdbs.go	Passes cluster override into banner printing.
cmd/kor/pods.go	Passes cluster override into banner printing.
cmd/kor/priorityclasses.go	Passes cluster override into banner printing.
cmd/kor/pv.go	Passes cluster override into banner printing.
cmd/kor/pvc.go	Passes cluster override into banner printing.
cmd/kor/replicasets.go	Passes cluster override into banner printing.
cmd/kor/rolebindings.go	Passes cluster override into banner printing.
cmd/kor/roles.go	Passes cluster override into banner printing.
cmd/kor/secrets.go	Passes cluster override into banner printing.
cmd/kor/serviceaccounts.go	Passes cluster override into banner printing.
cmd/kor/services.go	Passes cluster override into banner printing.
cmd/kor/statefulsets.go	Passes cluster override into banner printing.
cmd/kor/storageclasses.go	Passes cluster override into banner printing.
cmd/kor/volumeattachments.go	Passes cluster override into banner printing.
cmd/kor/version.go	Updates version command to use new PrintVersion(string) signature.

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[yonahd]

Looks good overall a couple small comments that should be cleared before merging

[yonahd]

Lgtm

[SamuelMolling]

@yonahd When will the new release have this feature?

[yonahd]

@yonahd When will the new release have this feature?

Hopefully beginning of next week

[yonahd]

@SamuelMolling A new release was created.
Enjoy the new features