toolkit/iso/empanadas/empanadas/common.py

121 lines
3.6 KiB
Python

# All imports are here
import os
import platform
import time
import glob
import rpm
import yaml
import logging
import hashlib
# These are a bunch of colors we may use in terminal output
class Color:
RED = '\033[91m'
GREEN = '\033[92m'
PURPLE = '\033[95m'
CYAN = '\033[96m'
DARKCYAN = '\033[36m'
BLUE = '\033[94m'
YELLOW = '\033[93m'
UNDERLINE = '\033[4m'
BOLD = '\033[1m'
END = '\033[0m'
class Utils:
"""
Quick utilities that may be commonly used
"""
@staticmethod
def get_checksum(path, hashtype, logger):
"""
Generates a checksum from the provided path by doing things in chunks.
This way we don't do it in memory.
"""
try:
checksum = hashlib.new(hashtype)
except ValueError:
logger.error("Invalid hash type: %s" % hashtype)
return False
try:
input_file = open(path, "rb")
except IOError as e:
logger.error("Could not open file %s: %s" % (path, e))
return False
while True:
chunk = input_file.read(8192)
if not chunk:
break
checksum.update(chunk)
input_file.close()
stat = os.stat(path)
base = os.path.basename(path)
# This emulates our current syncing scripts that runs stat and
# sha256sum and what not with a very specific output.
return "%s: %s bytes\n%s (%s) = %s\n" % (
base,
stat.st_size,
hashtype.upper(),
base,
checksum.hexdigest()
)
# vars and additional checks
rldict = {}
sigdict = {}
config = {
"rlmacro": rpm.expandMacro('%rhel'),
"dist": 'el' + rpm.expandMacro('%rhel'),
"arch": platform.machine(),
"date_stamp": time.strftime("%Y%m%d.%H%M%S", time.localtime()),
"compose_root": "/mnt/compose",
"staging_root": "/mnt/repos-staging",
"production_root": "/mnt/repos-production",
"category_stub": "mirror/pub/rocky",
"sig_category_stub": "mirror/pub/sig",
"repo_base_url": "https://yumrepofs.build.resf.org/v1/projects",
"mock_work_root": "/builddir",
"container": "centos:stream9",
"distname": "Rocky Linux",
"shortname": "Rocky",
"translators": {
"x86_64": "amd64",
"aarch64": "arm64",
"ppc64le": "ppc64le",
"s390x": "s390x"
},
"aws_region": "us-east-2",
"bucket": "resf-empanadas",
"bucket_url": "https://resf-empanadas.s3.us-east-2.amazonaws.com"
}
# Importing the config from yaml
import importlib_resources
_rootdir = importlib_resources.files("empanadas")
for conf in glob.iglob(f"{_rootdir}/configs/*.yaml"):
with open(conf, 'r', encoding="utf-8") as file:
rldict.update(yaml.safe_load(file))
# Import all SIG configs from yaml
for conf in glob.iglob(f"{_rootdir}/sig/*.yaml"):
with open(conf, 'r', encoding="utf-8") as file:
sigdict.update(yaml.safe_load(file))
# The system needs to be a RHEL-like system. It cannot be Fedora or SuSE.
#if "%rhel" in config['rlmacro']:
# raise SystemExit(Color.BOLD + 'This is not a RHEL-like system.' + Color.END
# + '\n\nPlease verify you are running on a RHEL-like system that is '
# 'not Fedora nor SuSE. This means that the %rhel macro will be '
# 'defined with a value equal to the version you are targetting. RHEL'
# ' and its derivatives have this set.')
# These will be set in their respective var files
#REVISION = rlvars['revision'] + '-' + rlvars['rclvl']
#rlvars = rldict[rlver]
#rlvars = rldict[rlmacro]
#COMPOSE_ISO_WORKDIR = COMPOSE_ROOT + "work/" + arch + "/" + date_stamp