mirror of
https://github.com/xcat2/confluent.git
synced 2024-11-22 17:43:14 +00:00
4fe84ca6dc
If the kernel is new enough to do SKU, but the firmware doesn't have it, fallback to model. Fix outright mistakes in the config_port_tsm code Up mac count from 2 to 3. If querying cumulus switches using SNMP the switch will add its own mac to the list bringing the total for a shared port to 3.
342 lines
15 KiB
Python
342 lines
15 KiB
Python
#!/usr/bin/python2
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import argparse
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import glob
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import os
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import os.path
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import pwd
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import shutil
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import sys
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import time
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path = os.path.dirname(os.path.realpath(__file__))
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path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
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if path.startswith('/opt'):
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sys.path.append(path)
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import confluent.collective.manager as collective
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import eventlet.green.subprocess as subprocess
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import confluent.selfservice as selfservice
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import confluent.util as util
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import confluent.client as client
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import confluent.sshutil as sshutil
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import confluent.certutil as certutil
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try:
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input = raw_input
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except NameError:
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pass
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def emprint(txt):
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if sys.stdout.isatty():
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print('\x1b[1m\x1b[4m' + txt + '\x1b[0m')
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else:
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print(txt)
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fnamechars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.^'
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def main(args):
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ap = argparse.ArgumentParser(description='Manage OS deployment resources')
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sp = ap.add_subparsers(dest='command')
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wiz = sp.add_parser('initialize', help='Do OS deployment preparation')
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wiz.add_argument('-g', help='Initialize a Genesis profile to boot systems into a rescue or staging environment', action='store_true')
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wiz.add_argument('-u', help='Pull in root user key for node deployment', action='store_true')
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wiz.add_argument('-s', help='Set up SSH CA for managing node to node ssh and known hosts', action='store_true')
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wiz.add_argument('-k', help='Update local global known hosts file with confluent CA', action='store_true')
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wiz.add_argument('-t', help='Generate new TLS key for HTTPS operation and register with confluent repository', action='store_true')
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wiz.add_argument('-p', help='Copy in TFTP contents required for PXE support', action='store_true')
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wiz.add_argument('-i', help='Interactively prompt for behaviors', action='store_true')
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wiz.add_argument('-l', help='Set up local management node to allow login from managed nodes', action='store_true')
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osip = sp.add_parser('import', help='Import an OS image from an ISO image')
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osip.add_argument('imagefile', help='File to use for source of importing')
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upb = sp.add_parser(
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'updateboot',
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help='Push profile.yaml of the named profile data into boot assets as appropriate')
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upb.add_argument('profile', help='Profile to update boot assets')
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cmdset = ap.parse_args()
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if cmdset.command == 'import':
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return osimport(cmdset.imagefile)
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if cmdset.command == 'initialize':
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return initialize(cmdset)
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if cmdset.command == 'updateboot':
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return updateboot(cmdset.profile)
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ap.print_help()
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def initialize_genesis():
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if not os.path.exists('/opt/confluent/genesis/x86_64/boot/kernel'):
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emprint('Install the confluent-genesis package to have the '
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'resources for a genesis profile')
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return 1
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hasconfluentuser = None
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try:
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hasconfluentuser = pwd.getpwnam('confluent')
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except KeyError:
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pass
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pid = os.fork()
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if pid:
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retval = os.waitpid(pid, 0)
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return retval[1]
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retcode = 0
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try:
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if hasconfluentuser:
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os.setgid(hasconfluentuser.pw_gid)
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os.setuid(hasconfluentuser.pw_uid)
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os.umask(0o22)
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os.makedirs('/var/lib/confluent/public/os/genesis-x86_64/boot/efi/boot', 0o755)
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os.makedirs('/var/lib/confluent/public/os/genesis-x86_64/boot/initramfs', 0o755)
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os.symlink('/opt/confluent/genesis/x86_64/boot/efi/boot/BOOTX64.EFI',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/efi/boot/BOOTX64.EFI')
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os.symlink('/opt/confluent/genesis/x86_64/boot/efi/boot/grubx64.efi',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/efi/boot/grubx64.efi')
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os.symlink('/opt/confluent/genesis/x86_64/boot/initramfs/distribution',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/initramfs/distribution')
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os.symlink('/var/lib/confluent/public/site/initramfs.cpio',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/initramfs/site.cpio')
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os.symlink('/opt/confluent/lib/osdeploy/genesis/initramfs/addons.cpio',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/initramfs/addons.cpio')
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os.symlink('/opt/confluent/genesis/x86_64/boot/kernel',
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'/var/lib/confluent/public/os/genesis-x86_64/boot/kernel')
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shutil.copytree('/opt/confluent/lib/osdeploy/genesis/profiles/default/scripts/',
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'/var/lib/confluent/public/os/genesis-x86_64/scripts/')
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shutil.copyfile('/opt/confluent/lib/osdeploy/genesis/profiles/default/profile.yaml',
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'/var/lib/confluent/public/os/genesis-x86_64/profile.yaml')
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except Exception:
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retcode = 1
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finally:
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os._exit(retcode)
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def local_node_trust_setup():
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allnodes, domain = selfservice.get_cluster_list()
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myname = collective.get_myname()
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myprincipals = set([myname])
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restorecon = os.path.exists('/usr/sbin/restorecon')
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neededlines = set([
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'HostbasedAuthentication yes', 'HostbasedUsesNameFromPacketOnly yes',
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'IgnoreRhosts no'])
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if domain and not myname.endswith(domain):
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myprincipals.add('{0}.{1}'.format(myname, domain))
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if domain and '.' in myname and myname.endswith(domain):
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myprincipals.add(myname.split('.')[0])
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for pubkey in glob.glob('/etc/ssh/ssh_host_*_key.pub'):
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currpubkey = open(pubkey, 'rb').read()
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cert = sshutil.sign_host_key(currpubkey, myname, myprincipals)
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certfile = pubkey.replace('key.pub', 'key-cert.pub')
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neededlines.add('HostCertificate {0}'.format(certfile))
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if os.path.exists(certfile):
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os.unlink(certfile)
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with open(certfile, 'w') as certout:
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certout.write(cert)
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if restorecon:
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subprocess.check_call(['/usr/sbin/restorecon', certfile])
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with open('/etc/ssh/sshd_config', 'r') as sshconf:
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currconfig = sshconf.read().split('\n')
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for conline in currconfig:
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conline = conline.strip()
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neededlines.discard(conline)
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if neededlines:
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with open('/etc/ssh/sshd_config', 'a') as cfgout:
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for currline in neededlines:
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cfgout.write(currline)
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cfgout.write('\n')
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with open('/etc/ssh/shosts.equiv', 'w') as equivout:
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for node in util.natural_sort(allnodes):
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equivout.write(node + '\n')
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with open('/root/.shosts', 'w') as equivout:
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for node in util.natural_sort(allnodes):
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equivout.write(node + '\n')
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if restorecon:
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subprocess.check_call(
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['/usr/sbin/restorecon',
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'/etc/ssh/shosts.equiv', '/root/.shosts'])
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def install_tftp_content():
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tftplocation = None
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candidates = ('/tftpboot', '/var/lib/tftpboot', '/srv/tftpboot', '/srv/tftp')
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for cand in candidates:
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if os.path.isdir(cand):
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tftplocation = cand
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break
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if not tftplocation:
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emprint('Unable to detect a directory for tftp content (check that tftp server is installed)')
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return 1
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if os.path.exists('/usr/lib/systemd/system/tftp.socket'):
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if tftplocation == '/tftpboot':
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emprint('/tftpboot is detected as tftp directory, will not try to automatically enable tftp, as it is presumed to be externally managed')
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else:
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try:
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subprocess.check_call(['systemctl', 'enable', 'tftp.socket', '--now'])
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print('TFTP service is enabled and running')
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except Exception:
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emprint('Unable to automatically enable and start tftp.socket, tftp server may already be running outside of systemd control')
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else:
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emprint(
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'Detected {0} as tftp directory, but unable to determine tftp service, ensure that a tftp server is installed and enabled manually'.format(tftplocation))
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tftplocation = '{0}/confluent/x86_64'.format(tftplocation)
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try:
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os.makedirs(tftplocation)
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except OSError as e:
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if e.errno != 17:
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raise
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shutil.copy('/opt/confluent/lib/ipxe/ipxe.efi', tftplocation)
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shutil.copy('/opt/confluent/lib/ipxe/ipxe.kkpxe', tftplocation)
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def initialize(cmdset):
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if os.getuid() != 0:
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sys.stderr.write('This command must run as root user\n')
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sys.exit(1)
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if cmdset.i:
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didsomething = True
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sys.stdout.write('Add root user key to be authorized to log into nodes (-u)? (y/n): ')
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sys.stdout.flush()
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cmdset.u = input().strip().lower().startswith('y')
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sys.stdout.write('Initialize a profile to boot Genesis on target systems (a small Linux environment for rescue and staging use)? (y/n): ')
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cmdset.g = input().strip().lower().startswith('y')
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sys.stdout.write('Set up an SSH authority to help manage known_hosts and node to node ssh for all users (-s)? (y/n): ')
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cmdset.s = input().strip().lower().startswith('y')
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sys.stdout.write('Update global known hosts on this server to trust local CA certificates (-k)? (y/n): ')
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cmdset.k = input().strip().lower().startswith('y')
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sys.stdout.write('Allow managed nodes to ssh to this management node without a password (-l)? (y/n): ')
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cmdset.l = input().strip().lower().startswith('y')
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sys.stdout.write('Update tftp directory with binaries to support PXE (-p) (y/n): ')
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cmdset.p = input().strip().lower().startswith('y')
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sys.stdout.write('Generate new TLS certificates for HTTP, replacing any existing certificate (-t)? (y/n): ')
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cmdset.t = input().strip().lower().startswith('y')
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if not cmdset.t:
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print(
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'In order to use your own certificate authority, make sure '
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'to put the certificate authority into '
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'/var/lib/confluent/public/site/tls/ directory as a .pem file '
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'as well as named (hash).0 where (hash) is the hash of the '
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'subject.')
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else:
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didsomething = False
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if cmdset.u:
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didsomething = True
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if not glob.glob('/root/.ssh/*.pub'):
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sys.stderr.write('No user keys for root detected, it is recommended '
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'to run ssh-keygen -t ed25519 to generate a user '
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'key. For optimal security, a passphrase should be '
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'used. ssh-agent may be used to make use of a '
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'passphrase protected ssh key easier.\n')
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sys.exit(1)
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sshutil.initialize_root_key(False)
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if cmdset.t:
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didsomething = True
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certutil.create_certificate()
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if os.path.exists('/usr/lib/systemd/system/httpd.service'):
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subprocess.check_call(['systemctl', 'try-restart', 'httpd'])
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print('HTTP server has been restarted if it was running')
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elif os.path.exists('/usr/lib/systemd/system/apache2.service'):
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subprocess.check_call(['systemctl', 'try-restart', 'apache2'])
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print('HTTP server has been restarted if it was running')
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else:
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emprint('New HTTPS certificates generated, restart the web server manually')
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if cmdset.s:
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didsomething = True
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sshutil.initialize_ca()
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if cmdset.p:
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install_tftp_content()
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if cmdset.l:
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local_node_trust_setup()
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if cmdset.k:
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with open('/etc/ssh/ssh_known_hosts', 'a+b') as skh:
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for cafile in glob.glob('/var/lib/confluent/public/site/ssh/*.ca'):
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cacert = open(cafile, 'rb').read()
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cacert = b'@cert-authority * ' + cacert
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skh.write(cacert)
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if cmdset.g:
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initialize_genesis()
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if not didsomething and (cmdset.k or cmdset.l or cmdset.g or cmdset.p):
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if cmdset.g:
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updateboot('genesis-x86_64')
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sys.exit(0)
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if not didsomething:
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sys.stderr.write('Nothing was done, use initialize -i for '
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'interactive mode, or see initialize -h for more options\n')
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sys.exit(1)
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tmpname = '/var/lib/confluent/public/site/initramfs.cpio.'
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for x in bytearray(os.urandom(22)):
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tmpname += fnamechars[x >> 2]
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topack = []
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opath = os.getcwd()
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os.chdir('/var/lib/confluent/public/site')
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topack.append('ssh/')
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for currd, _, files in os.walk('ssh'):
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for fname in files:
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topack.append(os.path.join(currd, fname))
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topack.append('tls/')
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for currd, _, files in os.walk('tls'):
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for fname in files:
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topack.append(os.path.join(currd, fname))
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with open(tmpname, 'wb') as initramfs:
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packit = subprocess.Popen(['cpio', '-H', 'newc', '-o'],
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stdout=initramfs, stdin=subprocess.PIPE)
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for packfile in topack:
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if not isinstance(packfile, bytes):
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packfile = packfile.encode('utf8')
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packit.stdin.write(packfile)
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packit.stdin.write(b'\n')
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packit.stdin.close()
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res = packit.wait()
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if res:
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sys.stderr.write('Error occurred while packing site initramfs')
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sys.exit(1)
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os.rename(tmpname, '/var/lib/confluent/public/site/initramfs.cpio')
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if cmdset.g:
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updateboot('genesis-x86_64')
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tmptarname = tmpname.replace('cpio', 'tgz')
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tarcmd = ['tar', '-czf', tmptarname, 'ssh', 'tls']
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subprocess.check_call(tarcmd)
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os.chdir(opath)
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os.rename(tmptarname, '/var/lib/confluent/public/site/initramfs.tgz')
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print('Site initramfs content packed successfully')
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if not os.path.exists('/etc/confluent/srvcert.pem'):
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subprocess.check_call(['collective', 'gencert'])
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# TODO: check selinux and segetbool for httpd_can_network_connect
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# httpd available and enabled?
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def updateboot(profilename):
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c = client.Command()
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for rsp in c.update('/deployment/profiles/{0}'.format(profilename),
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{'updateboot': 1}):
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if 'updated' in rsp:
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print('Updated: {0}'.format(rsp['updated']))
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else:
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print(repr(rsp))
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def osimport(imagefile):
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c = client.Command()
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imagefile = os.path.abspath(imagefile)
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importing = False
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shortname = None
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for rsp in c.create('/deployment/importing/', {'filename': imagefile}):
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if 'target' in rsp:
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importing = True
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shortname = rsp['name']
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print('Importing from {0} to {1}'.format(imagefile, rsp['target']))
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else:
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print(repr(rsp))
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while importing:
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for rsp in c.read('/deployment/importing/{0}'.format(shortname)):
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if 'progress' in rsp:
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sys.stdout.write('{0}: {1:.2f}% \r'.format(rsp['phase'],
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rsp['progress']))
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if rsp['phase'] == 'complete':
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importing = False
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sys.stdout.write('\n')
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for profile in rsp['profiles']:
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print('Deployment profile created: {0}'.format(profile))
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sys.stdout.flush()
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else:
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print(repr(rsp))
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time.sleep(0.5)
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if shortname:
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list(c.delete('/deployment/importing/{0}'.format(shortname)))
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if __name__ == '__main__':
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main(sys.argv)
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