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build: create JSON files containing image info

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The JSON info files contain details about the created firmware images
per device and are stored next to the created images.

The JSON files are stored as "$(IMAGE_PREFIX).json" and contain some
device/image meta data as well as a list of created firmware images.

An example of openwrt-ramips-rt305x-aztech_hw550-3g.json

    {
      "id": "aztech_hw550-3g",
      "image_prefix": "openwrt-ramips-rt305x-aztech_hw550-3g",
      "images": [
        {
          "name": "openwrt-ramips-rt305x-aztech_hw550-3g-squashfs-sysupgrade.bin",
          "sha256": "db2b34b0ec4a83d9bf612cf66fab0dc3722b191cb9bedf111e5627a4298baf20",
          "type": "sysupgrade"
        }
      ],
      "metadata_version": 1,
      "supported_devices": [
        "aztech,hw550-3g",
        "hw550-3g"
      ],
      "target": "ramips/rt305x",
      "titles": [
        {
          "model": "HW550-3G",
          "vendor": "Aztech"
        },
        {
          "model": "ALL0239-3G",
          "vendor": "Allnet"
        }
      ],
      "version_commit": "r10920+123-0cc87b3bac",
      "version_number": "SNAPSHOT"
    }

Signed-off-by: Paul Spooren <mail@aparcar.org>
(backported from commit 881ed09ee6e23f6c224184bb7493253c4624fb9f)
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Paul Spooren 2019-08-18 09:56:45 -10:00 committed by Adrian Schmutzler
parent 8293c8ed46
commit 8a0362c699
3 changed files with 65 additions and 1 deletions
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7
config/Config-build.in
View File

@ -7,6 +7,13 @@
menu "Global build settings"
config JSON_ADD_IMAGE_INFO
bool "Create JSON info files per build image"
default BUILDBOT
help
The JSON info files contain information about the device and
build images, stored next to the firmware images.
config ALL_NONSHARED
bool "Select all target specific packages by default"
select ALL_KMODS

17
include/image.mk
View File

@ -524,7 +524,20 @@ define Device/Build/image
$(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
cp $$^ $$@
$(if $(CONFIG_JSON_ADD_IMAGE_INFO), \
DEVICE_ID="$(DEVICE_NAME)" \
BIN_DIR="$(BIN_DIR)" \
IMAGE_NAME="$(IMAGE_NAME)" \
IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
IMAGE_PREFIX="$(IMAGE_PREFIX)" \
DEVICE_TITLE="$(DEVICE_TITLE)" \
TARGET="$(BOARD)" \
SUBTARGET="$(SUBTARGET)" \
VERSION_NUMBER="$(VERSION_NUMBER)" \
VERSION_CODE="$(VERSION_CODE)" \
SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
$(TOPDIR)/scripts/json_add_image_info.py \
)
endef
define Device/Build/artifact
@ -542,6 +555,8 @@ define Device/Build/artifact
endef
define Device/Build
$(shell rm -f $(BIN_DIR)/$(IMG_PREFIX)-$(1).json)
$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
$(call Device/Build/kernel,$(1))

42
scripts/json_add_image_info.py Executable file
View File

@ -0,0 +1,42 @@
#!/usr/bin/env python3
import json
import os
import hashlib
def e(variable, default=None):
return os.environ.get(variable, default)
json_path = "{}{}{}.json".format(e("BIN_DIR"), os.sep, e("IMAGE_PREFIX"))
with open(os.path.join(e("BIN_DIR"), e("IMAGE_NAME")), "rb") as image_file:
image_hash = hashlib.sha256(image_file.read()).hexdigest()
def get_titles():
return [{"title": e("DEVICE_TITLE")}]
if not os.path.exists(json_path):
device_info = {
"id": e("DEVICE_ID"),
"image_prefix": e("IMAGE_PREFIX"),
"images": [],
"metadata_version": 1,
"supported_devices": e("SUPPORTED_DEVICES").split(),
"target": "{}/{}".format(e("TARGET"), e("SUBTARGET", "generic")),
"titles": get_titles(),
"version_commit": e("VERSION_CODE"),
"version_number": e("VERSION_NUMBER"),
}
else:
with open(json_path, "r") as json_file:
device_info = json.load(json_file)
image_info = {"type": e("IMAGE_TYPE"), "name": e("IMAGE_NAME"), "sha256": image_hash}
device_info["images"].append(image_info)
with open(json_path, "w") as json_file:
json.dump(device_info, json_file, sort_keys=True, indent=" ")