✨ feat(kube): add --print-path flag to cluster kubeconfig

[jfbus]

Description

This PR adds a --print-path flag to cluster kubeconfig.

This is implemented as a print-path formatter that caches the output to a file in ~/.cache and displays the path of the file.

It can be used on all commands but is only exposed/documented in cluster kubeconfig.

An alternative could have been to develop an ad-hoc kubeconfig command, using the same kubeconfig cached file as cluster kubectl. This solution was not used because:

• it adds some complexity to the kubeconfig cache handling, considering that cluster kubeconfig has flags controlling the content of the kubeconfig (user, group, ttl),
• caching the output of --print-path would break the contract with the user regarding ttl : a cached file from a previous run will never have the ttl that was requested by the user.

Type of Change

Please check the relevant option(s):

• 🐛 Bug fix
• ✨ New feature
• 🧹 Code cleanup or refactor
• 📝 Documentation update
• 🔧 Build or CI-related change
• 🔒 Security fix
• Other (specify):

How Has This Been Tested?

Please describe the test strategy:

• Manual testing
• Unit tests
• Integration tests
• Not tested yet

Checklist

• I have followed the Contributing Guidelines
• I have added tests or explained why they are not needed
• I have updated relevant documentation (README, examples, etc.)
• My changes follow the Conventional Commits specification
• My commits include appropriate Gitmoji

Additional Context

[github-actions]

WARNING : Differences in reference doc 🤔

 docs/reference/octl_kube_cluster_kubeconfig.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Detailed changes

docs/reference/octl_kube_cluster_kubeconfig.md

-      --ttl string     
+      --print-path     Print path to saved kubeconfig
+      --ttl string     TTL in human readable format (5h, 1d, 1w)

[github-actions]

🔖 auto-tagging: Adding label "kind/feature"

[github-actions]

No flags have been deleted 😀

[github-actions]

Binary size: 82.3MB => 82.3MB (change +8KB, +0.0%) 😉