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confluent/misc/makeboot.centos.py
2021-01-21 17:48:56 -05:00

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Python
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#!/usr/bin/python
import os
import sys
import yaml
def mkdirp(path):
try:
os.makedirs(path)
except OSError as e:
if e.errno != 17:
raise
def makeboot_tree(distribution, profiledir):
bootdir = os.path.join(profiledir, 'boot')
efisrc = os.path.join(distribution, 'EFI')
efidir = os.path.join(bootdir, 'efi/boot')
mkdirp(efidir)
initrfsdir = os.path.join(bootdir, 'initramfs')
mkdirp(initrfsdir)
for directory in os.walk(efisrc):
for filename in directory[2]:
if filename.lower() == 'bootx64.efi':
srcfile = os.path.join(directory[0], filename)
trgfile = os.path.join(efidir, 'bootx64.efi')
os.link(srcfile, trgfile)
elif filename.lower() == 'grubx64.efi':
srcfile = os.path.join(directory[0], filename)
trgfile = os.path.join(efidir, 'grubx64.efi')
os.link(srcfile, trgfile)
netbootdir = os.path.join(distribution, 'images/pxeboot')
srckern = os.path.join(netbootdir, 'vmlinuz')
srcinitramfs = os.path.join(netbootdir, 'initrd.img')
trgkern = os.path.join(bootdir, 'kernel')
trginitramfs = os.path.join(initrfsdir, 'initrd.img')
os.link(srckern, trgkern)
os.link(srcinitramfs, trginitramfs)
trginitramfs = os.path.join(initrfsdir, 'site-initramfs.gz')
os.link('/var/lib/confluent/public/site/site-initramfs.gz', trginitramfs)
profileinfo = os.path.join(profiledir, 'profile.yaml')
with open(profileinfo) as info:
profile = yaml.safe_load(info)
cfgfile = os.path.join(efidir, 'grub.cfg')
with open(cfgfile, 'w') as grubcfg:
grubcfg.write('set timeout=5\n')
grubcfg.write("menuentry '{0}' {{\n".format(
profile.get('label', 'Unknown')))
grubcfg.write(' linuxefi /kernel {0}\n'.format(profile.get(
'kernelargs', 'quiet')))
initrds = ' '.join(
['/initramfs/{0}'.format(x) for x in os.listdir(initrfsdir)])
grubcfg.write(' initrdefi {0}\n}}'.format(initrds))
#TODO: create the netboot grub.cfg, is there a way to use grub http
# without putting the server in the cfg?
# If server is omitted, value of environment variable net_default_server
# is used
if __name__ == '__main__':
makeboot_tree(sys.argv[1], sys.argv[2])