libucl-based configuration file parser for ctld
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Authored by jceel on Dec 12 2015, 3:33 PM.

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trasz
mav

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rS295212: Add an additional, libucl-based configuration file parser to ctld.

Summary

This change adds additional, libucl-based configuration file parser to ctld. Parsing ctl.conf (or configuration file specified with -f) as an UCL file is enabled using -u command-line switch.

Test Plan

Example config file (which is actually in JSON format, fully compatible with UCL):

{
    "target": {
        "naa.5000c50006815e48": {
            "port": "camsim",
            "lun": [
                {
                    "number": 0,
                    "name": "disk1"
                },
                {
                    "number": 1,
                    "name": "disk3"
                },
                {
                    "number": 2,
                    "name": "disk4"
                }
            ]
        }
    },
    "lun": {
        "disk1": {
            "serial": "00505625139600",
            "blocksize": 512,
            "options": {
                "removable": "on",
                "product": "Virtual Disk",
                "vendor": "FreeNAS",
                "device-id": "Virtual Disk 00505625139600",
                "rpm": "7200",
                "naa": "0x6589cfc000000572122b119a12bbdac3"
            },
            "path": "/var/db/system/simulator/disk1"
        },
        "disk3": {
            "serial": "00505625139600",
            "blocksize": 512,
            "options": {
                "removable": "on",
                "product": "Virtual Disk",
                "vendor": "FreeNAS",
                "device-id": "Virtual Disk 00505625139600",
                "rpm": "7200",
                "naa": "0x6589cfc000000446222150ce63317d41"
            },
            "path": "/var/db/system/simulator/disk3"
        },
        "disk4": {
            "serial": "00505625139600",
            "blocksize": 512,
            "options": {
                "removable": "on",
                "product": "Virtual Disk",
                "vendor": "FreeNAS",
                "device-id": "Virtual Disk 00505625139600",
                "rpm": "7200",
                "naa": "0x6589cfc000000e7f80ec91885d4d80b9"
            },
            "path": "/var/db/system/simulator/disk4"
        },
        "disk2": {
            "serial": "00505625139600",
            "blocksize": 512,
            "options": {
                "removable": "on",
                "product": "Virtual Disk",
                "vendor": "FreeNAS",
                "device-id": "Virtual Disk 00505625139600",
                "rpm": "7200",
                "naa": "0x6589cfc000000ee13371ddb41ec93d01"
            },
            "path": "/var/db/system/simulator/disk2"
        }
    }
}

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Event Timeline

jceel updated this revision to Diff 11176.Dec 12 2015, 3:33 PM

jceel retitled this revision from to libucl-based configuration file parser for ctld.

jceel updated this object.

jceel edited the test plan for this revision. (Show Details)

jceel added a reviewer: trasz.

jceel set the repository for this revision to rS FreeBSD src repository - subversion.

Herald added a subscriber: imp. · View Herald TranscriptDec 12 2015, 3:33 PM

jceel added a reviewer: mav.Dec 12 2015, 4:22 PM

Initialize "tag" variable to NULL explicitly at uclparse.c:134.

trasz added inline comments.Dec 21 2015, 10:23 PM

usr.sbin/ctld/Makefile
5	This kind of looks like like it should be handled by LIBADD=ucl. Isn't it?
usr.sbin/ctld/ctld.c
2553	I liked the old order, ie check_perms after parse_conf/uclparse_conf. This way you would get an user-friendly error with path, if the configuration file doesn't exist.
2556	style(9) - superfluous "{}" bracees.
usr.sbin/ctld/uclparse.c
227	s/parse_toplevel/uclparse_toplevel/ ?
471	Empty line.
659	Unneeded braces.
692	Braces.