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Create gen_build_info.py
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xtray85 authored Jul 28, 2024
1 parent 5969af8 commit 1bbe7a5
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96 changes: 96 additions & 0 deletions Tools/gen_build_info.py
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#!/usr/bin/env python3

# Generates build info and injects it into the server zip files.

import codecs
import hashlib
import io
import json
import os
import subprocess
from zipfile import ZipFile, ZIP_DEFLATED

FILE = "SS14.Client.zip"

SERVER_FILES = [
"SS14.Server_linux-x64.zip",
"SS14.Server_win-x64.zip"
]

VERSION = os.environ['GITHUB_SHA']
print(VERSION)
FORK_ID = "ADT"
BUILD_URL = f"http://builds.adventurestation.space/builds/{{FORK_VERSION}}/{FILE}"
MANIFEST_URL = f"http://builds.adventurestation.space/version/{{FORK_VERSION}}/manifest"
MANIFEST_DOWNLOAD_URL = f"http://builds.adventurestation.space/version/{{FORK_VERSION}}/download"

def main() -> None:
client_file = os.path.join("release", FILE)
manifest = generate_build_json(client_file)

for server in SERVER_FILES:
inject_manifest(os.path.join("release", server), manifest)


def inject_manifest(zip_path: str, manifest: str) -> None:
with ZipFile(zip_path, "a", compression=ZIP_DEFLATED) as z:
print(manifest)
z.writestr("build.json", manifest)


def generate_build_json(file: str) -> str:
# Env variables set by Jenkins.

hash = sha256_file(file)
engine_version = get_engine_version()
manifest_hash = generate_manifest_hash(file)

return json.dumps({
"download": BUILD_URL,
"hash": hash,
"version": VERSION,
"fork_id": FORK_ID,
"engine_version": engine_version,
"manifest_url": MANIFEST_URL,
"manifest_download_url": MANIFEST_DOWNLOAD_URL,
"manifest_hash": manifest_hash
})

def generate_manifest_hash(file: str) -> str:
zip = ZipFile(file)
infos = zip.infolist()
infos.sort(key=lambda i: i.filename)

bytesIO = io.BytesIO()
writer = codecs.getwriter("UTF-8")(bytesIO)
writer.write("Robust Content Manifest 1\n")

for info in infos:
if info.filename[-1] == "/":
continue

bytes = zip.read(info)
hash = hashlib.blake2b(bytes, digest_size=32).hexdigest().upper()
writer.write(f"{hash} {info.filename}\n")

manifestHash = hashlib.blake2b(bytesIO.getbuffer(), digest_size=32)

return manifestHash.hexdigest().upper()

def get_engine_version() -> str:
proc = subprocess.run(["git", "describe","--tags", "--abbrev=0"], stdout=subprocess.PIPE, cwd="RobustToolbox", check=True, encoding="UTF-8")
tag = proc.stdout.strip()
assert tag.startswith("v")
return tag[1:] # Cut off v prefix.


def sha256_file(path: str) -> str:
with open(path, "rb") as f:
h = hashlib.sha256()
for b in iter(lambda: f.read(4096), b""):
h.update(b)

return h.hexdigest()

if __name__ == '__main__':
main()

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