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https://github.com/openwrt/openwrt.git
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build: refactor JSON info files to profiles.json
JSON info files contain machine readable information of built profiles
and resulting images. These files were added in commit 881ed09ee6
("build: create JSON files containing image info").
They are useful for firmware wizards and script checking for
reproducibility.
Currently all JSON files are stored next to the built images, resulting
in up to 168 individual files for the ath79/generic target.
This patch refactors the JSON creation to store individual per image
(not per profile) files in $(BUILD_DIR)/json_info_files and create an
single overview file called `profiles.json` in the target directory.
Storing per image files and not per profile solves the problem of
parallel file writes. If a profiles sysupgrade and factory image are
finished at the same time both processes would write to the same JSON
file, resulting in randomly broken outputs.
Some target like x86/64 do not use the image code yet, resulting in
missing JSON files. If no JSON info files were created, no
`profiles.json` files is created as it would be empty anyway.
As before, this creation is enabled by default only if `BUILDBOT` is set.
Tested via buildroot & ImageBuilder on ath79/generic, imx6 and x86/64.
Signed-off-by: Paul Spooren <mail@aparcar.org>
[json_info_files dir handling in Make, if case refactoring]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Paul Spooren
Petr Štetiar
parent
fcd1401700
commit
07449f692c
9
Makefile
9
Makefile
@ -88,6 +88,14 @@ prereq: $(target/stamp-prereq) tmp/.prereq_packages
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exit 1; \
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fi
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$(BIN_DIR)/profiles.json: FORCE
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$(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
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WORK_DIR=$(BUILD_DIR)/json_info_files \
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$(SCRIPT_DIR)/json_overview_image_info.py $@ \
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)
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json_overview_image_info: $(BIN_DIR)/profiles.json
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checksum: FORCE
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$(call sha256sums,$(BIN_DIR),$(CONFIG_BUILDBOT))
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@ -109,6 +117,7 @@ prepare: .config $(tools/stamp-compile) $(toolchain/stamp-compile)
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world: prepare $(target/stamp-compile) $(package/stamp-compile) $(package/stamp-install) $(target/stamp-install) FORCE
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$(_SINGLE)$(SUBMAKE) -r package/index
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$(_SINGLE)$(SUBMAKE) -r json_overview_image_info
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$(_SINGLE)$(SUBMAKE) -r checksum
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.PHONY: clean dirclean prereq prepare world package/symlinks package/symlinks-install package/symlinks-clean
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@ -7,12 +7,13 @@
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menu "Global build settings"
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config JSON_ADD_IMAGE_INFO
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bool "Create JSON info files per build image"
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config JSON_OVERVIEW_IMAGE_INFO
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bool "Create JSON info file overview per target"
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default BUILDBOT
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help
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The JSON info files contain information about the device and
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build images, stored next to the firmware images.
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Create a JSON info file called profiles.json in the target
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directory containing machine readable list of built profiles
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and resulting images.
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config ALL_NONSHARED
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bool "Select all target specific packages by default"
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@ -545,8 +545,11 @@ endef
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define Device/Build/image
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GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
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$$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
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$$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
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$(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json, \
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$(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX))
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$(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
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ROOTFS/$(1)/$(3) := \
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$(KDIR)/root.$(1)$$(strip \
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$$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
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@ -568,7 +571,9 @@ define Device/Build/image
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$(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
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cp $$^ $$@
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$(if $(CONFIG_JSON_ADD_IMAGE_INFO), \
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$(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
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@mkdir -p $$(shell dirname $$@)
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DEVICE_ID="$(DEVICE_NAME)" \
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BIN_DIR="$(BIN_DIR)" \
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IMAGE_NAME="$(IMAGE_NAME)" \
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@ -592,8 +597,7 @@ define Device/Build/image
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VERSION_NUMBER="$(VERSION_NUMBER)" \
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VERSION_CODE="$(VERSION_CODE)" \
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SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
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$(TOPDIR)/scripts/json_add_image_info.py \
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)
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$(TOPDIR)/scripts/json_add_image_info.py $$@
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endef
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@ -612,8 +616,6 @@ define Device/Build/artifact
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endef
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define Device/Build
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$(shell rm -f $(BIN_DIR)/$(IMG_PREFIX)-$(1).json)
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
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$(call Device/Build/kernel,$(1))
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@ -699,6 +701,7 @@ define BuildImage
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image_prepare: compile
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mkdir -p $(BIN_DIR) $(KDIR)/tmp
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rm -rf $(BUILD_DIR)/json_info_files
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$(call Image/Prepare)
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legacy-images-prepare-make: image_prepare
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@ -1,18 +1,22 @@
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#!/usr/bin/env python3
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import json
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import os
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from os import getenv
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from pathlib import Path
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from sys import argv
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import hashlib
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import json
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if len(argv) != 2:
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print("ERROR: JSON info script requires output arg")
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exit(1)
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def e(variable, default=None):
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return os.environ.get(variable, default)
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json_path = Path(argv[1])
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bin_dir = Path(getenv("BIN_DIR"))
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image_file = bin_dir / getenv("IMAGE_NAME")
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json_path = "{}{}{}.json".format(e("BIN_DIR"), os.sep, e("IMAGE_PREFIX"))
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with open(os.path.join(e("BIN_DIR"), e("IMAGE_NAME")), "rb") as image_file:
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image_hash = hashlib.sha256(image_file.read()).hexdigest()
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if not image_file.is_file():
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print("Skip JSON creation for non existing image ", image_file)
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exit(0)
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def get_titles():
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@ -20,36 +24,40 @@ def get_titles():
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for prefix in ["", "ALT0_", "ALT1_", "ALT2_"]:
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title = {}
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for var in ["vendor", "model", "variant"]:
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if e("DEVICE_{}{}".format(prefix, var.upper())):
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title[var] = e("DEVICE_{}{}".format(prefix, var.upper()))
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if getenv("DEVICE_{}{}".format(prefix, var.upper())):
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title[var] = getenv("DEVICE_{}{}".format(prefix, var.upper()))
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if title:
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titles.append(title)
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if not titles:
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titles.append({"title": e("DEVICE_TITLE")})
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titles.append({"title": getenv("DEVICE_TITLE")})
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return titles
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if not os.path.exists(json_path):
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device_info = {
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"id": e("DEVICE_ID"),
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"image_prefix": e("IMAGE_PREFIX"),
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"images": [],
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device_id = getenv("DEVICE_ID")
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image_hash = hashlib.sha256(image_file.read_bytes()).hexdigest()
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image_info = {
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"metadata_version": 1,
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"supported_devices": e("SUPPORTED_DEVICES").split(),
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"target": "{}/{}".format(e("TARGET"), e("SUBTARGET", "generic")),
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"titles": get_titles(),
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"version_commit": e("VERSION_CODE"),
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"version_number": e("VERSION_NUMBER"),
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"target": "{}/{}".format(getenv("TARGET"), getenv("SUBTARGET")),
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"version_code": getenv("VERSION_CODE"),
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"version_number": getenv("VERSION_NUMBER"),
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"profiles": {
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device_id: {
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"image_prefix": getenv("IMAGE_PREFIX"),
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"images": [
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{
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"type": getenv("IMAGE_TYPE"),
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"name": getenv("IMAGE_NAME"),
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"sha256": image_hash,
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}
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],
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"supported_devices": getenv("SUPPORTED_DEVICES").split(),
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"titles": get_titles(),
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}
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},
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}
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else:
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with open(json_path, "r") as json_file:
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device_info = json.load(json_file)
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image_info = {"type": e("IMAGE_TYPE"), "name": e("IMAGE_NAME"), "sha256": image_hash}
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device_info["images"].append(image_info)
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with open(json_path, "w") as json_file:
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json.dump(device_info, json_file, sort_keys=True, indent=" ")
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json_path.write_text(json.dumps(image_info, separators=(",", ":")))
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39
scripts/json_overview_image_info.py
Executable file
39
scripts/json_overview_image_info.py
Executable file
@ -0,0 +1,39 @@
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#!/usr/bin/env python3
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import json
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from pathlib import Path
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from os import getenv
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from sys import argv
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if len(argv) != 2:
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print("JSON info files script requires ouput file as argument")
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exit(1)
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output_path = Path(argv[1])
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assert getenv("WORK_DIR"), "$WORK_DIR required"
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work_dir = Path(getenv("WORK_DIR"))
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assert work_dir.is_dir(), "$WORK_DIR not a directory"
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output = {}
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for json_file in work_dir.glob("*.json"):
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image_info = json.loads(json_file.read_text())
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if not output:
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output.update(image_info)
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else:
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# get first (and only) profile in json file
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device_id = next(iter(image_info["profiles"].keys()))
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if device_id not in output["profiles"]:
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output["profiles"].update(image_info["profiles"])
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else:
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output["profiles"][device_id]["images"].append(
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image_info["profiles"][device_id]["images"][0]
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)
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if output:
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output_path.write_text(json.dumps(output, sort_keys=True, separators=(",", ":")))
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else:
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print("JSON info file script could not find any JSON files for target")
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@ -118,6 +118,7 @@ _call_image: staging_dir/host/.prereq-build
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$(MAKE) package_install
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$(MAKE) -s prepare_rootfs
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$(MAKE) -s build_image
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$(MAKE) -s json_overview_image_info
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$(MAKE) -s checksum
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_call_manifest: FORCE
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@ -163,12 +164,21 @@ prepare_rootfs: FORCE
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$(CP) $(TARGET_DIR) $(TARGET_DIR_ORIG)
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$(call prepare_rootfs,$(TARGET_DIR),$(USER_FILES),$(DISABLED_SERVICES))
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build_image: FORCE
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@echo
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@echo Building images...
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$(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 EXTRA_IMAGE_NAME="$(EXTRA_IMAGE_NAME)" \
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$(if $(USER_PROFILE),PROFILE="$(USER_PROFILE)")
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$(BIN_DIR)/profiles.json: FORCE
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$(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
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WORK_DIR=$(BUILD_DIR)/json_info_files \
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$(SCRIPT_DIR)/json_overview_image_info.py $@ \
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)
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json_overview_image_info: $(BIN_DIR)/profiles.json
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checksum: FORCE
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@echo
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@echo Calculating checksums...
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