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##############################################################################
# Copyright (c) 2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import yaml
import os
import sys
def load_env():
cache_dir = os.environ.get('CACHE_DIR')
print "Read local Cache dir is %s" % cache_dir
return cache_dir
def get_from_cache(cache, package):
filename = package.get("name")
remotefile = package.get("url")
localfile = cache + "/" + filename
localmd5file = localfile + ".md5"
remotemd5file = remotefile + ".md5"
print "removing local md5 file...."
cmd = "rm -f " + localmd5file
os.system(cmd)
print "downloading remote md5 file to local...."
cmd = "curl --connect-timeout 10 -o " + localmd5file + " " + remotemd5file
os.system(cmd)
if os.path.exists(localmd5file):
print "calculate md5sum of local file"
cmd = "md5sum " + localfile + "|cut -d ' ' -f 1"
localmd5sum = os.popen(cmd).readlines()
cmd = "cat " + localmd5file + "|cut -d ' ' -f 1"
remotemd5sum = os.popen(cmd).readlines()
print "md5 local %s remote %s" % (localmd5sum, remotemd5sum)
if (remotemd5sum == localmd5sum):
print "Same with remote, no need to download...."
return
print "downloading remote file to local...."
cmd = "curl --connect-timeout 10 -o " + localfile + " " + remotefile
print cmd
rc = os.system(cmd)
if rc != 0:
sys.exit(1)
def get_from_git(cache, package):
localfile = cache + "/" + package.get("name")
cmd = "rm -rf " + localfile
print cmd
os.system(cmd)
cmd = "git clone " + package.get("url") + " " + localfile
print cmd
rc = os.system(cmd)
if rc != 0:
sys.exit(1)
def get_from_docker(cache, package):
cmd = "sudo docker pull "+package.get("url")
os.system(cmd)
cmd = "sudo docker save "+package.get("url")+" -o "+cache+"/"
cmd += package.get("name")+".tar"
rc = os.system(cmd)
if rc != 0:
sys.exit(1)
def get_from_curl(cache, package):
cmd = "curl --connect-timeout 10 -o " + cache + "/"
cmd += package.get("name") + " " + package.get("url")
print cmd
rc = os.system(cmd)
if rc != 0:
sys.exit(1)
def usage():
print "cached : Download from a cached server"
print "git : Download from git url"
print "curl : Download from a url link by curl"
print "docker : Download from docker hub"
def build_parser(build_file_name):
cache = load_env()
cfg = yaml.safe_load(file(build_file_name, 'r'))
print "Starting building...."
for pkg in cfg.get("packages"):
print "processing %s" % pkg.get("description")
if pkg.get("get_method") == "cached":
get_from_cache(cache, pkg)
elif pkg.get("get_method") == "git":
get_from_git(cache, pkg)
elif pkg.get("get_method") == "docker":
get_from_docker(cache, pkg)
elif pkg.get("get_method") == "curl":
get_from_curl(cache, pkg)
else:
usage
if __name__ == "__main__":
if len(sys.argv) != 2:
print("parameter wrong%d %s" % (len(sys.argv), sys.argv))
sys.exit(1)
build_parser(sys.argv[1])
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