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Edit File: systemd-sysv-convert
#!/usr/bin/python # -*- Mode: Python; python-indent: 8; indent-tabs-mode: t -*- import sys, os, argparse, errno def find_service(service, runlevel): priority = -1 for l in os.listdir("/etc/rc%i.d" % runlevel): if len(l) < 4: continue if l[0] != 'S' or l[3:] != service: continue p = int(l[1:3]) if p >= 0 and p <= 99 and p >= priority: priority = p; return priority def lookup_database(services): try: database = open("/var/lib/systemd/sysv-convert/database", "r") except IOError, e: if e.errno != errno.ENOENT: raise e return {} found = {} k = 0 for line in database: service, r, p = line.strip().split("\t", 3) k += 1 try: runlevel = int(r) priority = int(p) except ValueError, e: sys.stderr.write("Failed to parse database line %i. Ignoring." % k) continue if runlevel not in (2, 3, 4, 5): sys.stderr.write("Runlevel out of bounds in database line %i. Ignoring." % k) continue if priority < 0 or priority > 99: sys.stderr.write("Priority out of bounds in database line %i. Ignoring." % k) continue if service not in services: continue if service not in found: found[service] = {} if runlevel not in found[service] or found[service][runlevel] < priority: found[service][runlevel] = priority return found def mkdir_p(path): try: os.makedirs(path, 0755) except OSError, e: if e.errno != errno.EEXIST: raise e if os.geteuid() != 0: sys.stderr.write("Need to be root.\n") sys.exit(1) parser = argparse.ArgumentParser(description='Save and Restore SysV Service Runlevel Information') parser.add_argument('services', metavar='SERVICE', type=str, nargs='+', help='Service names') parser.add_argument('--save', dest='save', action='store_const', const=True, default=False, help='Save SysV runlevel information for one or more services') parser.add_argument('--show', dest='show', action='store_const', const=True, default=False, help='Show saved SysV runlevel information for one or more services') parser.add_argument('--apply', dest='apply', action='store_const', const=True, default=False, help='Apply saved SysV runlevel information for one or more services to systemd counterparts') a = parser.parse_args() if a.save: for service in a.services: if not os.access("/etc/rc.d/init.d/%s" % service, os.F_OK): sys.stderr.write("SysV service %s does not exist.\n" % service) sys.exit(1) mkdir_p("/var/lib/systemd/sysv-convert") database = open("/var/lib/systemd/sysv-convert/database", "a") for runlevel in (2, 3, 4, 5): priority = find_service(service, runlevel) if priority >= 0: database.write("%s\t%s\t%s\n" % (service, runlevel, priority)) elif a.show: found = lookup_database(a.services) if len(found) <= 0: sys.stderr.write("No information about passed services found.\n") sys.exit(1) for service, data in found.iteritems(): for runlevel, priority in data.iteritems(): sys.stdout.write("SysV service %s enabled in runlevel %s at priority %s\n" % (service, runlevel, priority)) elif a.apply: for service in a.services: if not os.access("/lib/systemd/system/%s.service" % service, os.F_OK): sys.stderr.write("systemd service %s.service does not exist.\n" % service) sys.exit(1) found = lookup_database(a.services) if len(found) <= 0: sys.stderr.write("No information about passed services found.\n") sys.exit(1) for service, data in found.iteritems(): for runlevel in data.iterkeys(): sys.stderr.write("ln -sf /lib/systemd/system/%s.service /etc/systemd/system/runlevel%i.target.wants/%s.service\n" % (service, runlevel, service)) mkdir_p("/etc/systemd/system/runlevel%i.target.wants" % runlevel) try: os.symlink("/lib/systemd/system/%s.service" % service, "/etc/systemd/system/runlevel%i.target.wants/%s.service" % (runlevel, service)) except OSError, e: if e.errno != errno.EEXIST: raise e else: parser.print_help()