[openwrt/openwrt] build: include size-limits to device-metadata

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/0ee1ede25a9f8278a8e0bc0820e4c55d2023adf9

commit 0ee1ede25a9f8278a8e0bc0820e4c55d2023adf9
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Mon Dec 11 14:46:12 2023 +0100

    build: include size-limits to device-metadata
    
    Include the image and kernel size limitations defined for each device to
    the device metadata JSON.
    
    These informations are only added if defined.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 include/image.mk               |  6 ++++++
 scripts/json_add_image_info.py | 27 ++++++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/include/image.mk b/include/image.mk
index fd6f76b277..69fdd371b0 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -647,6 +647,8 @@ define Device/Build/initramfs
 	VERSION_NUMBER="$(VERSION_NUMBER)" \
 	VERSION_CODE="$(VERSION_CODE)" \
 	SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
+	KERNEL_SIZE="$$(KERNEL_SIZE)" \
+	IMAGE_SIZE="$$(IMAGE_SIZE)" \
 	$(TOPDIR)/scripts/json_add_image_info.py $$@
 endef
 endif
@@ -781,6 +783,8 @@ define Device/Build/image
 	VERSION_NUMBER="$(VERSION_NUMBER)" \
 	VERSION_CODE="$(VERSION_CODE)" \
 	SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
+	KERNEL_SIZE="$(KERNEL_SIZE)" \
+	IMAGE_SIZE="$(IMAGE_SIZE)" \
 	$(TOPDIR)/scripts/json_add_image_info.py $$@
 
 endef
@@ -835,6 +839,8 @@ define Device/Build/artifact
 	VERSION_NUMBER="$(VERSION_NUMBER)" \
 	VERSION_CODE="$(VERSION_CODE)" \
 	SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
+	KERNEL_SIZE="$(KERNEL_SIZE)" \
+	IMAGE_SIZE="$(IMAGE_SIZE)" \
 	$(TOPDIR)/scripts/json_add_image_info.py $$@
 
 endef
diff --git a/scripts/json_add_image_info.py b/scripts/json_add_image_info.py
index 915e5f6181..3478cdbf22 100755
--- a/scripts/json_add_image_info.py
+++ b/scripts/json_add_image_info.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-from os import getenv
+from os import getenv, path
 from pathlib import Path
 from sys import argv
 import hashlib
@@ -35,6 +35,17 @@ def get_titles():
     return titles
 
 
+def get_numerical_size(image_size):
+    if image_size.endswith("g"):
+        return int(image_size[:-1]) * 1024 * 1024 * 1024
+    elif image_size.endswith("m"):
+        return int(image_size[:-1]) * 1024 * 1024
+    elif image_size.endswith("k"):
+        return int(image_size[:-1]) * 1024
+    else:
+        return int(image_size)
+
+
 device_id = getenv("DEVICE_ID")
 
 sha256_hash = hashlib.sha256()
@@ -52,6 +63,8 @@ if file_path.with_suffix(file_path.suffix + ".sha256sum").exists():
 else:
     hash_unsigned = hash_file
 
+file_size = path.getsize(file_path)
+
 file_info = {
     "metadata_version": 1,
     "target": "{}/{}".format(getenv("TARGET"), getenv("SUBTARGET")),
@@ -67,6 +80,7 @@ file_info = {
                     "name": getenv("FILE_NAME"),
                     "sha256": hash_file,
                     "sha256_unsigned": hash_unsigned,
+                    "size": file_size,
                 }
             ],
             "device_packages": getenv("DEVICE_PACKAGES").split(),
@@ -76,6 +90,17 @@ file_info = {
     },
 }
 
+if getenv("IMAGE_SIZE") or getenv("KERNEL_SIZE"):
+    file_info["profiles"][device_id]["file_size_limits"] = {}
+    if getenv("IMAGE_SIZE"):
+        file_info["profiles"][device_id]["file_size_limits"]["image"] = get_numerical_size(
+            getenv("IMAGE_SIZE")
+        )
+    if getenv("KERNEL_SIZE"):
+        file_info["profiles"][device_id]["file_size_limits"]["kernel"] = get_numerical_size(
+            getenv("KERNEL_SIZE")
+        )
+
 if getenv("FILE_FILESYSTEM"):
     file_info["profiles"][device_id]["images"][0]["filesystem"] = getenv(
         "FILE_FILESYSTEM"