op_mode: T6956: Fix for "generate tech-support archive" if /config contains directories

[natali-rs1985]

Change Summary

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

• https://vyos.dev/T6956

Related PR(s)

Component(s) name

op mode

Proposed changes

How to test

vyos@vyos:~$ ls -la /config/scripts/
total 20
drwxrwsr-x 3 root vyattacfg 4096 Dec 27 03:05 .
drwxrwsr-x 1 root vyattacfg 4096 Dec 23 20:35 ..
drwxrwsr-x 2 root vyattacfg 4096 Dec 27 01:52 accel-ppp
-rwxrwxr-x 1 root vyattacfg  230 Dec 20 15:57 vyos-postconfig-bootup.script
-rwxrwxr-x 1 root vyattacfg  225 Dec 20 15:57 vyos-preconfig-bootup.script


vyos@vyos:~$ generate tech-support archive
...
 "config": {
            "scripts": [
                {
                    "path": "/config/scripts/vyos-postconfig-bootup.script",
                    "data": "#!/bin/sh\n# This script is executed at boot time after VyOS configuration is fully applied.\n# Any modifications required to work around unfixed bugs\n# or use services not available through the VyOS CLI system can be placed here."
                },
                {
                    "path": "/config/scripts/vyos-preconfig-bootup.script",
                    "data": "#!/bin/sh\n# This script is executed at boot time before VyOS configuration is applied.\n# Any modifications required to work around unfixed bugs or use\n# services not available through the VyOS CLI system can be placed here."
                },
                {
                    "path": "/config/scripts/accel-ppp/ipoe.lua",
                    "data": "#!lua\n  function username_func(pkt)\n    local username=pkt:hwaddr()\n    return username\nend"
                }
         ]
    }
...

Smoketest result

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• I have run the components SMOKETESTS if applicable
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[github-actions]

👍
No issues in PR Title / Commit Title

[github-actions]

CI integration ❌ failed!

Details

CI logs

• CLI Smoketests (no interfaces) ❌ failed
• CLI Smoketests (interfaces only) ❌ failed
• Config tests 👍 passed
• RAID1 tests 👍 passed
• TPM tests 👍 passed