Uniquely identifying a platform programmatically

[Philip Prindeville]

Okay, I've created a PR to make this change:

https://github.com/openwrt/openwrt/pull/4184



> On May 17, 2021, at 4:43 PM, Philip Prindeville <philipp_subx at redfish-solutions.com> wrote:
> 
> Hi,
> 
> I was wondering what the best way to map a running box back to a candidate image would be.
> 
> It seems like the tuple ($CONFIG_TARGET_BOARD, $CONFIG_TARGET_SUBTARGET, $CONFIG_TARGET_PROFILE) would provide this, since you can mangle them into a bin/targets/$CONFIG_TARGET_BOARD/$CONFIG_TARGET_SUBTARGET/openwrt-*-$CONFIG_TARGET_BOARD-$CONFIG_TARGET_SUBTARGET-$CONFIG_TARGET_PROFILE-squashfs-sysupgrade.bin (or -factory.bin) image for provisioning...
> 
> Maybe also $CONFIG_VERSION_NUMBER if you're dealing with $CONFIG_IMAGEOPT.
> 
> /etc/os-release contains most of this information:
> 
> # cat /etc/os-release
> NAME="OpenWrt"
> VERSION="1.1"
> ID="openwrt"
> ID_LIKE="lede openwrt"
> PRETTY_NAME="OpenWrt 1.1"
> VERSION_ID="1.1"
> HOME_URL="https://openwrt.org/"
> BUG_URL="https://bugs.openwrt.org/"
> SUPPORT_URL="https://forum.openwrt.org/"
> BUILD_ID="r16585-182eaa4916"
> OPENWRT_BOARD="ath79/generic"
> OPENWRT_ARCH="mips_24kc"
> OPENWRT_TAINTS="no-all"
> OPENWRT_DEVICE_MANUFACTURER="OpenWrt"
> OPENWRT_DEVICE_MANUFACTURER_URL="https://openwrt.org/"
> OPENWRT_DEVICE_PRODUCT="Generic"
> OPENWRT_DEVICE_REVISION="v0"
> OPENWRT_RELEASE="OpenWrt 1.1 r16585-182eaa4916"
> 
> Even if you have to split() OPENWRT_BOARD on the slash (trivial in sh)...  But the target profile is sadly missing.
> 
> Any objections to adding it?
> 
> I understand that not all boards/architectures support this, so synthesizing the /etc/os-release file might become slightly more complicated...
> 
> I could grovel the target profile out of /etc/board.json, but then my scripting needs to support 'jq', etc.
> 
> # cat /etc/board.json
> {
> 	"model": {
> 		"id": "tplink,archer-a7-v5",
> 		"name": "TP-Link Archer A7 v5"
> 	},
> 
> ...
> 
> Any suggestions welcome.
> 
> Thanks.
> 
> -Philip
> 
> 
> 
> _______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/mailman/listinfo/openwrt-devel