fix: fixes dns query issue, changes ndots to 1

[nxtcoder17]

initial reference was from k8s default pod /etc/resolv.conf, but it assumes ndots:5, which means a domain to have at least 5 dots to be qualified as a FQDN, which is kind of wrong in our use case

Resolves kloudlite/kloudlite#304

Summary by Sourcery

Bug Fixes:

• Fix DNS query issue by changing the ndots option from 5 to 1 in the resolv.conf configuration.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR modifies the DNS resolution configuration in the networking operator's webhook by changing the ndots option from 5 to 1. This change affects how DNS queries are handled, making the DNS resolution more efficient by reducing unnecessary DNS searches for hostnames that don't require them.

Class diagram for DNS configuration change

classDiagram
    class Webhook {
        +string resolvConfPath
        +configureDNS()
    }

    class DNSConfiguration {
        +string searchDomains
        +int ndots
    }

    Webhook --> DNSConfiguration

    note for DNSConfiguration "ndots changed from 5 to 1"

Loading

File-Level Changes

Change	Details	Files
Modified DNS resolution configuration by reducing ndots value	Changed ndots value from 5 to 1 in resolv.conf configuration Maintains existing search domain configuration for Kubernetes service discovery	operators/networking/internal/cmd/webhook/main.go

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[sourcery-ai]

Hey @nxtcoder17 - I've reviewed your changes - here's some feedback:

Overall Comments:

• Please add documentation explaining why ndots:1 was chosen and what implications this change has for DNS resolution behavior.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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