Add support for gNOI File Services

[kanchanavelusamy]

Manual CLI Testing Results

Remove RPC

admin@sonic:~$ touch /tmp/test_remove
admin@sonic:~$ ls /tmp/test_remove
/tmp/test_remove
admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc Remove -jsonin '{"remote_file":"/tmp/test_remove"}'
File Remove
{}
admin@sonic:~$ ls /tmp/test_remove
ls: cannot access '/tmp/test_remove': No such file or directory
admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc Remove -jsonin '{"remote_file":"/tmp/test_remove"}'
File Remove
panic: rpc error: code = Unknown desc = File not found: /tmp/test_remove

goroutine 1 [running]:
github.com/sonic-net/sonic-gnmi/gnoi_client/file.Remove(0xc000174400, {0xb43dd8, 0xc000079c80})
	/sonic/src/sonic-gnmi/gnoi_client/file/file.go:103 +0x254
main.main()
	/sonic/src/sonic-gnmi/gnoi_client/gnoi_client.go:61 +0x2ad
admin@sonic:~$ 

Stat RPC

admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc Stat -jsonin '{"path":"/etc/hostname"}'
File Stat
{"stats":[{"path":"/etc/hostname","last_modified":1747382453052000000,"permissions":420,"size":6,"umask":18}]}

Get RPC

admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc Get -jsonin '{ "path": "/etc/sonic/config_db.json" }'
File Get
panic: rpc error: code = Unimplemented desc = Method file.Get is unimplemented.

goroutine 1 [running]:
github.com/sonic-net/sonic-gnmi/gnoi_client/file.Get(0xc000172400, {0xb43dd8, 0xc000079c80?})
	/sonic/src/sonic-gnmi/gnoi_client/file/file.go:49 +0x354
main.main()
	/sonic/src/sonic-gnmi/gnoi_client/gnoi_client.go:57 +0x225

Put RPC

admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc Put -jsonin '{ "open": { "path": "/etc/config.txt", "permissions": 420 } }'
File Put
panic: rpc error: code = Unimplemented desc = Method file.Put is unimplemented.

goroutine 1 [running]:
github.com/sonic-net/sonic-gnmi/gnoi_client/file.Put(0xc000174400, {0xb43dd8, 0xc000079c80})
	/sonic/src/sonic-gnmi/gnoi_client/file/file.go:83 +0x294
main.main()
	/sonic/src/sonic-gnmi/gnoi_client/gnoi_client.go:59 +0x24e

TransferToRemote RPC

admin@sonic:~$ docker exec -it gnmi gnoi_client -notls -insecure -module File -rpc TransferToRemote -jsonin '{
>   "local_path": "/etc/config.txt",
>   "remote_download": {
>     "protocol": 1,
>     "remote_url": "scp://user@remotehost:/path/to/destination",
>     "username": "user",
>     "password": "password"
>   }
> }'
File TransferToRemote
panic: rpc error: code = Unimplemented desc = Method file.TransferToRemote is unimplemented.

goroutine 1 [running]:
github.com/sonic-net/sonic-gnmi/gnoi_client/file.TransferToRemote(0xc000174400, {0xb43dd8, 0xc000079c80})
	/sonic/src/sonic-gnmi/gnoi_client/file/file.go:124 +0x254
main.main()
	/sonic/src/sonic-gnmi/gnoi_client/gnoi_client.go:63 +0x2f9
admin@sonic:~$ 

Why I did it

How I did it

How to verify it

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: kishanps (f17cad9, fae0b51, 1be9ebf, 938b1f6)

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