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bench/vm/build.py
2018-03-15 11:11:17 +05:30

74 lines
1.9 KiB
Python

"""
Builds a vm and puts it in ~/public with a latest.json that has its filename and md5sum
"""
# imports - standard imports
import os
import json
import stat
import errno
from subprocess import check_output
OUTPUT_DIR = 'output-virtualbox-ovf'
PUBLIC_DIR = os.path.join(os.path.expanduser('~'), 'public')
def main():
install_virtualbox()
install_packer()
build_vm()
update_latest()
move_to_public()
cleanup()
def install_virtualbox():
check_output(['bench', 'install', 'virtualbox'])
def install_packer():
check_output(['bench', 'install', 'packer'])
def build_vm():
download_latest_ubuntu_ova()
check_output("/opt/packer build vm.json", shell=True)
def download_latest_ubuntu_ova():
silent_remove('/tmp/ubuntu-16.04-server-cloudimg-amd64.ova')
check_output(['wget', 'https://cloud-images.ubuntu.com/releases/16.04/release/ubuntu-16.04-server-cloudimg-amd64.ova'], cwd='/tmp/')
def silent_remove(filename):
try:
os.remove(filename)
except OSError as e: # this would be "except OSError, e:" before Python 2.6
if e.errno != errno.ENOENT: # errno.ENOENT = no such file or directory
raise # re-raise exception if a different error occurred
def move_to_public():
src = get_filepath()
dest = os.path.join(PUBLIC_DIR, os.path.join(PUBLIC_DIR, get_filename()))
os.rename(src, dest)
st = os.stat(dest)
os.chmod(dest, st.st_mode | stat.S_IROTH)
def update_latest():
with open(os.path.join(PUBLIC_DIR, "latest.json"), 'w') as f:
json.dump(get_latest(), f)
def get_latest():
md5 = check_output("md5sum {}".format(get_filepath()), shell=True).split()[0]
return {
"filename": get_filename(),
"md5": md5
}
def get_filename():
return os.listdir(OUTPUT_DIR)[0]
def get_filepath():
filename = os.listdir(OUTPUT_DIR)[0]
return os.path.join(OUTPUT_DIR, filename)
def cleanup():
os.rmdir(OUTPUT_DIR)
if __name__ == "__main__":
main()