131 lines
4.4 KiB
Python
Executable File
131 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import struct
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from collections import namedtuple
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from datetime import datetime
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import subprocess
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import packaging.version
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from esptool.bin_image import LoadFirmwareImage # required to get hash and checksum right
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import os
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# locale.setlocale(locale.LC_ALL, 'en_US')
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APP_DESC_SIZE = 256 # sizeof(esp_app_desc_t)
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APP_DESC_STRUCT = "<II2I32s32s16s16s32s32B20I"
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AppDesc = namedtuple('AppDesc',
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[
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"secure_version",
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"version",
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"project_name",
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"time",
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"date",
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"idf_ver",
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"app_elf_sha256",
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]
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)
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def version_number_from_git(tag_prefix='release/', sha_length=10, version_format="{version}.dev{commits}+{sha}"):
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def get_released_versions():
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tags = sorted(subprocess.getoutput('git tag').split('\n'))
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versions = [t[len(tag_prefix):]
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for t in tags if t.startswith(tag_prefix)]
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return versions
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def tag_from_version(v):
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return tag_prefix + str(v)
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def increment_version(v: packaging.version.Version):
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parsed_version = [int(i) for i in str(v).split('.')]
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parsed_version[-1] += 1
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return packaging.version.parse('.'.join(str(i) for i in parsed_version))
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versions = [packaging.version.parse(s) for s in get_released_versions()]
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versions.sort()
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latest_release = versions[-1]
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commits_since_tag = subprocess.getoutput(
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'git rev-list {}..HEAD --count'.format(tag_from_version(latest_release)))
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sha = subprocess.getoutput('git rev-parse HEAD')[:sha_length]
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is_dirty = len(subprocess.getoutput(
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"git status --untracked-files=no -s")) > 0
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if int(commits_since_tag) == 0:
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version_string = str(latest_release)
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else:
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next_version = increment_version(latest_release)
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version_string = version_format.format(version=next_version, commits=commits_since_tag, sha=sha)
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if is_dirty:
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version_string += ".dirty"
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return version_string
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def read_app_description_from_segment(segment):
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def process_bytes(b):
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if not isinstance(b, bytes):
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return b
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s = b.decode()
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return s[:s.find("\x00")]
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unpacked = struct.unpack(APP_DESC_STRUCT, segment.data[:APP_DESC_SIZE])
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unpacked = tuple(process_bytes(e) for e in unpacked)
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magic_word, secure_version, _, _, version, project_name, time, date, idf_ver, app_elf_sha256, *_ = unpacked
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assert magic_word == 0xABCD5432
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return AppDesc(secure_version, version, project_name, time, date, idf_ver, app_elf_sha256)
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def patch_app_description_in_segment(segment, version, project_name, time, date):
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#assert len(version) < 32
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assert len(project_name) < 32
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assert len(time) < 16
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assert len(date) < 16
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def fill_zeros(s, total_length):
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s += "\x00" * (total_length - len(s))
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s = s.encode()
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assert len(s) == total_length
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return s
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raw_app_desc = segment.data[:APP_DESC_SIZE]
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unpacked = list(struct.unpack(APP_DESC_STRUCT, raw_app_desc))
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unpacked[4] = fill_zeros(version, 32)
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unpacked[5] = fill_zeros(project_name, 32)
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unpacked[6] = fill_zeros(time, 16)
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unpacked[7] = fill_zeros(date, 16)
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packed = struct.pack(APP_DESC_STRUCT, *unpacked)
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original_data = segment.data
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segment.data = packed + original_data[APP_DESC_SIZE:]
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def patch_firmware(input_file, output_file):
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img = LoadFirmwareImage("esp32", input_file)
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version = version_number_from_git()
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now = datetime.now()
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time = now.strftime("%H:%M:%S")
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date = now.strftime("%b %d %Y")
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patch_app_description_in_segment(img.segments[0], version, "swimtracker.bauer.tech", time, date)
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img.save(output_file)
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if __name__ == "__main__":
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firmware_file = ".pio/build/esp32/firmware.bin"
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version_file_name = "VERSION"
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patch_firmware(firmware_file, firmware_file) # patch inplace
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version = version_number_from_git()
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print("Deploying ", version)
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with open(version_file_name, "w") as version_file:
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print(version, file=version_file)
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subprocess.run(["scp", firmware_file, "core@server:/docker/web/volumes/static-sites/swimtracker-update"])
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subprocess.run(["scp", version_file_name, "core@server:/docker/web/volumes/static-sites/swimtracker-update"])
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os.unlink(firmware_file)
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os.unlink(version_file_name)
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