def makersc(aa, check=True): if not aa: return ([], None, None) ra = [resource.parse_url(u) for u in aa] local = ra[0] remote = None if len(ra) > 1: remote = ra[1] if check and not local.can_connect_to(remote): raise GsyncdError("%s cannot work with %s" % (local.path, remote and remote.path)) return (ra, local, remote)
def main_i(): """internal main routine parse command line, decide what action will be taken; we can either: - query/manipulate configuration - format gsyncd urls using gsyncd's url parsing engine - start service in following modes, in given stages: - monitor: startup(), monitor() - master: startup(), connect_remote(), connect(), service_loop() - slave: startup(), connect(), service_loop() """ rconf = {'go_daemon': 'should'} def store_abs(opt, optstr, val, parser): if val and val != '-': val = os.path.abspath(val) setattr(parser.values, opt.dest, val) def store_local(opt, optstr, val, parser): rconf[opt.dest] = val def store_local_curry(val): return lambda o, oo, vx, p: store_local(o, oo, val, p) def store_local_obj(op, dmake): return lambda o, oo, vx, p: store_local(o, oo, FreeObject(op=op, **dmake(vx)), p) op = OptionParser(usage="%prog [options...] <master> <slave>", version="%prog 0.0.1") op.add_option('--gluster-command-dir', metavar='DIR', default='') op.add_option('--gluster-log-file', metavar='LOGF', default=os.devnull, type=str, action='callback', callback=store_abs) op.add_option('--gluster-log-level', metavar='LVL') op.add_option('--gluster-params', metavar='PRMS', default='') op.add_option('--gluster-cli-options', metavar='OPTS', default='--log-file=-') op.add_option('--mountbroker', metavar='LABEL') op.add_option('-p', '--pid-file', metavar='PIDF', type=str, action='callback', callback=store_abs) op.add_option('-l', '--log-file', metavar='LOGF', type=str, action='callback', callback=store_abs) op.add_option('--state-file', metavar='STATF', type=str, action='callback', callback=store_abs) op.add_option('--ignore-deletes', default=False, action='store_true') op.add_option('--use-rsync-xattrs', default=False, action='store_true') op.add_option('-L', '--log-level', metavar='LVL') op.add_option('-r', '--remote-gsyncd', metavar='CMD', default=os.path.abspath(sys.argv[0])) op.add_option('--volume-id', metavar='UUID') op.add_option('--session-owner', metavar='ID') op.add_option('-s', '--ssh-command', metavar='CMD', default='ssh') op.add_option('--rsync-command', metavar='CMD', default='rsync') op.add_option('--rsync-options', metavar='OPTS', default='--sparse') op.add_option('--rsync-ssh-options', metavar='OPTS', default='--compress') op.add_option('--timeout', metavar='SEC', type=int, default=120) op.add_option('--connection-timeout', metavar='SEC', type=int, default=60, help=SUPPRESS_HELP) op.add_option('--sync-jobs', metavar='N', type=int, default=3) op.add_option('--turns', metavar='N', type=int, default=0, help=SUPPRESS_HELP) op.add_option('--allow-network', metavar='IPS', default='') op.add_option('--state-socket-unencoded', metavar='SOCKF', type=str, action='callback', callback=store_abs) op.add_option('--checkpoint', metavar='LABEL', default='') # tunables for failover/failback mechanism: # None - gsyncd behaves as normal # blind - gsyncd works with xtime pairs to identify # candidates for synchronization # wrapup - same as normal mode but does not assign # xtimes to orphaned files # see crawl() for usage of the above tunables op.add_option('--special-sync-mode', type=str, help=SUPPRESS_HELP) op.add_option('-c', '--config-file', metavar='CONF', type=str, action='callback', callback=store_local) # duh. need to specify dest or value will be mapped to None :S op.add_option('--monitor', dest='monitor', action='callback', callback=store_local_curry(True)) op.add_option('--feedback-fd', dest='feedback_fd', type=int, help=SUPPRESS_HELP, action='callback', callback=store_local) op.add_option('--listen', dest='listen', help=SUPPRESS_HELP, action='callback', callback=store_local_curry(True)) op.add_option('-N', '--no-daemon', dest="go_daemon", action='callback', callback=store_local_curry('dont')) op.add_option('--debug', dest="go_daemon", action='callback', callback=lambda *a: (store_local_curry('dont')(*a), setattr(a[-1].values, 'log_file', '-'), setattr(a[-1].values, 'log_level', 'DEBUG'))), for a in ('check', 'get'): op.add_option('--config-' + a, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj(a, lambda vx: {'opt': vx})) op.add_option('--config-get-all', dest='config', action='callback', callback=store_local_obj('get', lambda vx: {'opt': None})) for m in ('', '-rx', '-glob'): # call this code 'Pythonic' eh? # have to define a one-shot local function to be able to inject (a value depending on the) # iteration variable into the inner lambda def conf_mod_opt_regex_variant(rx): op.add_option('--config-set' + m, metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=store_local_obj('set', lambda vx: {'opt': vx[0], 'val': vx[1], 'rx': rx})) op.add_option('--config-del' + m, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj('del', lambda vx: {'opt': vx, 'rx': rx})) conf_mod_opt_regex_variant(m and m[1:] or False) op.add_option('--normalize-url', dest='url_print', action='callback', callback=store_local_curry('normal')) op.add_option('--canonicalize-url', dest='url_print', action='callback', callback=store_local_curry('canon')) op.add_option('--canonicalize-escape-url', dest='url_print', action='callback', callback=store_local_curry('canon_esc')) tunables = [ norm(o.get_opt_string()[2:]) for o in op.option_list if o.callback in (store_abs, 'store_true', None) and o.get_opt_string() not in ('--version', '--help') ] remote_tunables = [ 'listen', 'go_daemon', 'timeout', 'session_owner', 'config_file', 'use_rsync_xattrs' ] rq_remote_tunables = { 'listen': True } # precedence for sources of values: 1) commandline, 2) cfg file, 3) defaults # -- for this to work out we need to tell apart defaults from explicitly set # options... so churn out the defaults here and call the parser with virgin # values container. defaults = op.get_default_values() opts, args = op.parse_args(values=optparse.Values()) confdata = rconf.get('config') if not (len(args) == 2 or \ (len(args) == 1 and rconf.get('listen')) or \ (len(args) <= 2 and confdata) or \ rconf.get('url_print')): sys.stderr.write("error: incorrect number of arguments\n\n") sys.stderr.write(op.get_usage() + "\n") sys.exit(1) restricted = os.getenv('_GSYNCD_RESTRICTED_') if restricted: allopts = {} allopts.update(opts.__dict__) allopts.update(rconf) bannedtuns = set(allopts.keys()) - set(remote_tunables) if bannedtuns: raise GsyncdError('following tunables cannot be set with restricted SSH invocaton: ' + \ ', '.join(bannedtuns)) for k, v in rq_remote_tunables.items(): if not k in allopts or allopts[k] != v: raise GsyncdError('tunable %s is not set to value %s required for restricted SSH invocaton' % \ (k, v)) confrx = getattr(confdata, 'rx', None) if confrx: # peers are regexen, don't try to parse them if confrx == 'glob': args = [ '\A' + fnmatch.translate(a) for a in args ] canon_peers = args namedict = {} else: rscs = [resource.parse_url(u) for u in args] dc = rconf.get('url_print') if dc: for r in rscs: print(r.get_url(**{'normal': {}, 'canon': {'canonical': True}, 'canon_esc': {'canonical': True, 'escaped': True}}[dc])) return local = remote = None if rscs: local = rscs[0] if len(rscs) > 1: remote = rscs[1] if not local.can_connect_to(remote): raise GsyncdError("%s cannot work with %s" % (local.path, remote and remote.path)) pa = ([], [], []) urlprms = ({}, {'canonical': True}, {'canonical': True, 'escaped': True}) for x in rscs: for i in range(len(pa)): pa[i].append(x.get_url(**urlprms[i])) peers, canon_peers, canon_esc_peers = pa # creating the namedict, a dict representing various ways of referring to / repreenting # peers to be fillable in config templates mods = (lambda x: x, lambda x: x[0].upper() + x[1:], lambda x: 'e' + x[0].upper() + x[1:]) if remote: rmap = { local: ('local', 'master'), remote: ('remote', 'slave') } else: rmap = { local: ('local', 'slave') } namedict = {} for i in range(len(rscs)): x = rscs[i] for name in rmap[x]: for j in range(3): namedict[mods[j](name)] = pa[j][i] if x.scheme == 'gluster': namedict[name + 'vol'] = x.volume if not 'config_file' in rconf: rconf['config_file'] = os.path.join(os.path.dirname(sys.argv[0]), "conf/gsyncd.conf") gcnf = GConffile(rconf['config_file'], canon_peers, defaults.__dict__, opts.__dict__, namedict) checkpoint_change = False if confdata: opt_ok = norm(confdata.opt) in tunables + [None] if confdata.op == 'check': if opt_ok: sys.exit(0) else: sys.exit(1) elif not opt_ok: raise GsyncdError("not a valid option: " + confdata.opt) if confdata.op == 'get': gcnf.get(confdata.opt) elif confdata.op == 'set': gcnf.set(confdata.opt, confdata.val, confdata.rx) elif confdata.op == 'del': gcnf.delete(confdata.opt, confdata.rx) # when modifying checkpoint, it's important to make a log # of that, so in that case we go on to set up logging even # if its just config invocation if confdata.opt == 'checkpoint' and confdata.op in ('set', 'del') and \ not confdata.rx: checkpoint_change = True if not checkpoint_change: return gconf.__dict__.update(defaults.__dict__) gcnf.update_to(gconf.__dict__) gconf.__dict__.update(opts.__dict__) gconf.configinterface = gcnf if restricted and gconf.allow_network: ssh_conn = os.getenv('SSH_CONNECTION') if not ssh_conn: #legacy env var ssh_conn = os.getenv('SSH_CLIENT') if ssh_conn: allowed_networks = [ IPNetwork(a) for a in gconf.allow_network.split(',') ] client_ip = IPAddress(ssh_conn.split()[0]) allowed = False for nw in allowed_networks: if client_ip in nw: allowed = True break if not allowed: raise GsyncdError("client IP address is not allowed") ffd = rconf.get('feedback_fd') if ffd: fcntl.fcntl(ffd, fcntl.F_SETFD, fcntl.FD_CLOEXEC) #normalize loglevel lvl0 = gconf.log_level if isinstance(lvl0, str): lvl1 = lvl0.upper() lvl2 = logging.getLevelName(lvl1) # I have _never_ _ever_ seen such an utterly braindead # error condition if lvl2 == "Level " + lvl1: raise GsyncdError('cannot recognize log level "%s"' % lvl0) gconf.log_level = lvl2 if checkpoint_change: GLogger._gsyncd_loginit(log_file=gconf.log_file, label='conf') if confdata.op == 'set': logging.info('checkpoint %s set' % confdata.val) elif confdata.op == 'del': logging.info('checkpoint info was reset') return go_daemon = rconf['go_daemon'] be_monitor = rconf.get('monitor') if not be_monitor and isinstance(remote, resource.SSH) and \ go_daemon == 'should': go_daemon = 'postconn' log_file = None else: log_file = gconf.log_file if be_monitor: label = 'monitor' elif remote: #master label = '' else: label = 'slave' startup(go_daemon=go_daemon, log_file=log_file, label=label) if be_monitor: return monitor() logging.info("syncing: %s" % " -> ".join(peers)) resource.Popen.init_errhandler() if remote: go_daemon = remote.connect_remote(go_daemon=go_daemon) if go_daemon: startup(go_daemon=go_daemon, log_file=gconf.log_file) # complete remote connection in child remote.connect_remote(go_daemon='done') local.connect() if ffd: os.close(ffd) local.service_loop(*[r for r in [remote] if r])
def main_i(): rconf = {'go_daemon': 'should'} def store_abs(opt, optstr, val, parser): setattr(parser.values, opt.dest, os.path.abspath(val)) def store_local(opt, optstr, val, parser): rconf[opt.dest] = val def store_local_curry(val): return lambda o, oo, vx, p: store_local(o, oo, val, p) op = OptionParser(usage="%prog [options...] <master> <slave>", version="%prog 0.0.1") op.add_option('--gluster-command', metavar='CMD', default='glusterfs') op.add_option('--gluster-log-file', metavar='LOGF', default=os.devnull, type=str, action='callback', callback=store_abs) op.add_option('--gluster-log-level', metavar='LVL') op.add_option('-p', '--pid-file', metavar='PIDF', type=str, action='callback', callback=store_abs) op.add_option('-l', '--log-file', metavar='LOGF', type=str, action='callback', callback=store_abs) op.add_option('-L', '--log-level', metavar='LVL') op.add_option('-r', '--remote-gsyncd', metavar='CMD', default=os.path.abspath(sys.argv[0])) op.add_option('-s', '--ssh-command', metavar='CMD', default='ssh') op.add_option('--rsync-command', metavar='CMD', default='rsync') op.add_option('--rsync-extra', metavar='ARGS', default='-sS', help=SUPPRESS_HELP) op.add_option('--timeout', metavar='SEC', type=int, default=120) op.add_option('--sync-jobs', metavar='N', type=int, default=3) op.add_option('--turns', metavar='N', type=int, default=0, help=SUPPRESS_HELP) op.add_option('-c', '--config-file', metavar='CONF', type=str, action='callback', callback=store_local) # duh. need to specify dest or value will be mapped to None :S op.add_option('--listen', dest='listen', help=SUPPRESS_HELP, action='callback', callback=store_local_curry(True)) op.add_option('-N', '--no-daemon', dest="go_daemon", action='callback', callback=store_local_curry('dont')) op.add_option('--debug', dest="go_daemon", action='callback', callback=lambda *a: (store_local_curry('dont')(*a), a[-1].values.__dict__.get('log_level') or \ a[-1].values.__dict__.update(log_level='DEBUG'))) op.add_option('--config-get', metavar='OPT', type=str, dest='config', action='callback', callback=store_local) op.add_option('--config-get-all', dest='config', action='callback', callback=store_local_curry(True)) op.add_option('--config-set', metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx[0], vx[1], False), p)) op.add_option('--config-set-rx', metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx[0], vx[1], True), p)) op.add_option('--config-del', metavar='OPT', type=str, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx, False, False), p)) op.add_option('--config-del-rx', metavar='OPT', type=str, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx, False, True), p)) op.add_option('--canonicalize-url', dest='do_canon', action='callback', callback=store_local_curry('raw')) op.add_option('--canonicalize-escape-url', dest='do_canon', action='callback', callback=store_local_curry('escaped')) # precedence for sources of values: 1) commandline, 2) cfg file, 3) defaults # -- for this to work out we need to tell apart defaults from explicitly set # options... so churn out the defaults here and call the parser with virgin # values container. defaults = op.get_default_values() opts, args = op.parse_args(values=optparse.Values()) confdata = rconf.get('config') if not (len(args) == 2 or \ (len(args) == 1 and rconf.get('listen')) or \ (len(args) <= 2 and confdata) or \ rconf.get('do_canon')): sys.stderr.write("error: incorrect number of arguments\n\n") sys.stderr.write(op.get_usage() + "\n") sys.exit(1) if confdata and isinstance(confdata, tuple) and confdata[2]: # peers are regexen, don't try to parse them canon_peers = args else: rscs = [resource.parse_url(u) for u in args] dc = rconf.get('do_canon') if dc: for r in rscs: print(r.get_url(canonical=True, escaped=(dc=='escaped'))) return local = remote = None if rscs: local = rscs[0] if len(rscs) > 1: remote = rscs[1] if not local.can_connect_to(remote): raise RuntimeError("%s cannot work with %s" % (local.path, remote and remote.path)) pa = ([], []) canon = [False, True] for x in (local, remote): if x: for i in range(2): pa[i].append(x.get_url(canonical=canon[i])) peers, canon_peers = pa if not 'config_file' in rconf: rconf['config_file'] = os.path.join(os.path.dirname(sys.argv[0]), "conf/gsyncd.conf") gcnf = GConffile(rconf['config_file'], canon_peers) if confdata: if isinstance(confdata, tuple): if confdata[1]: gcnf.set(*confdata) else: gcnf.delete(confdata[0], confdata[1]) else: if confdata == True: confdata = None gcnf.get(confdata) return gconf.__dict__.update(defaults.__dict__) gcnf.update_to(gconf.__dict__) gconf.__dict__.update(opts.__dict__) #normalize loglevel lvl0 = gconf.log_level if isinstance(lvl0, str): lvl1 = lvl0.upper() lvl2 = logging.getLevelName(lvl1) # I have _never_ _ever_ seen such an utterly braindead # error condition if lvl2 == "Level " + lvl1: raise RuntimeError('cannot recognize log level "%s"' % lvl0) gconf.log_level = lvl2 go_daemon = rconf['go_daemon'] if isinstance(remote, resource.SSH) and go_daemon == 'should': go_daemon = 'postconn' log_file = None else: log_file = gconf.log_file startup(go_daemon=go_daemon, log_file=log_file, slave=(not remote)) logging.info("syncing: %s" % " -> ".join(peers)) if remote: go_daemon = remote.connect_remote(go_daemon=go_daemon) if go_daemon: startup(go_daemon=go_daemon, log_file=gconf.log_file) # complete remote connection in child remote.connect_remote(go_daemon='done') local.connect() local.service_loop(*[r for r in [remote] if r]) logging.info("exiting.")
def main_i(): rconf = {'go_daemon': 'should'} def store_abs(opt, optstr, val, parser): if val and val != '-': val = os.path.abspath(val) setattr(parser.values, opt.dest, val) def store_local(opt, optstr, val, parser): rconf[opt.dest] = val def store_local_curry(val): return lambda o, oo, vx, p: store_local(o, oo, val, p) def store_local_obj(op, dmake): return lambda o, oo, vx, p: store_local(o, oo, FreeObject(op=op, **dmake(vx)), p) op = OptionParser(usage="%prog [options...] <master> <slave>", version="%prog 0.0.1") op.add_option('--gluster-command', metavar='CMD', default='glusterfs') op.add_option('--gluster-log-file', metavar='LOGF', default=os.devnull, type=str, action='callback', callback=store_abs) op.add_option('--gluster-log-level', metavar='LVL') op.add_option('-p', '--pid-file', metavar='PIDF', type=str, action='callback', callback=store_abs) op.add_option('-l', '--log-file', metavar='LOGF', type=str, action='callback', callback=store_abs) op.add_option('--state-file', metavar='STATF', type=str, action='callback', callback=store_abs) op.add_option('-L', '--log-level', metavar='LVL') op.add_option('-r', '--remote-gsyncd', metavar='CMD', default=os.path.abspath(sys.argv[0])) op.add_option('--volume-id', metavar='UUID') op.add_option('--session-owner', metavar='ID') op.add_option('-s', '--ssh-command', metavar='CMD', default='ssh') op.add_option('--rsync-command', metavar='CMD', default='rsync') op.add_option('--rsync-extra', metavar='ARGS', default='-sS', help=SUPPRESS_HELP) op.add_option('--timeout', metavar='SEC', type=int, default=120) op.add_option('--sync-jobs', metavar='N', type=int, default=3) op.add_option('--turns', metavar='N', type=int, default=0, help=SUPPRESS_HELP) op.add_option('-c', '--config-file', metavar='CONF', type=str, action='callback', callback=store_local) # duh. need to specify dest or value will be mapped to None :S op.add_option('--monitor', dest='monitor', action='callback', callback=store_local_curry(True)) op.add_option('--feedback-fd', dest='feedback_fd', type=int, help=SUPPRESS_HELP, action='callback', callback=store_local) op.add_option('--listen', dest='listen', help=SUPPRESS_HELP, action='callback', callback=store_local_curry(True)) op.add_option('-N', '--no-daemon', dest="go_daemon", action='callback', callback=store_local_curry('dont')) op.add_option('--debug', dest="go_daemon", action='callback', callback=lambda *a: (store_local_curry('dont')(*a), setattr(a[-1].values, 'log_file', '-'), setattr(a[-1].values, 'log_level', 'DEBUG'))), for a in ('check', 'get'): op.add_option('--config-' + a, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj(a, lambda vx: {'opt': vx})) op.add_option('--config-get-all', dest='config', action='callback', callback=store_local_obj('get', lambda vx: {'opt': None})) for m in ('', '-rx'): # call this code 'Pythonic' eh? # have to define a one-shot local function to be able to inject (a value depending on the) # iteration variable into the inner lambda def conf_mod_opt_regex_variant(rx): op.add_option('--config-set' + m, metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=store_local_obj('set', lambda vx: {'opt': vx[0], 'val': vx[1], 'rx': rx})) op.add_option('--config-del' + m, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj('del', lambda vx: {'opt': vx, 'rx': rx})) conf_mod_opt_regex_variant(not not m) op.add_option('--normalize-url', dest='url_print', action='callback', callback=store_local_curry('normal')) op.add_option('--canonicalize-url', dest='url_print', action='callback', callback=store_local_curry('canon')) op.add_option('--canonicalize-escape-url', dest='url_print', action='callback', callback=store_local_curry('canon_esc')) tunables = [ norm(o.get_opt_string()[2:]) for o in op.option_list if o.callback in (store_abs, None) and o.get_opt_string() not in ('--version', '--help') ] # precedence for sources of values: 1) commandline, 2) cfg file, 3) defaults # -- for this to work out we need to tell apart defaults from explicitly set # options... so churn out the defaults here and call the parser with virgin # values container. defaults = op.get_default_values() opts, args = op.parse_args(values=optparse.Values()) confdata = rconf.get('config') if not (len(args) == 2 or \ (len(args) == 1 and rconf.get('listen')) or \ (len(args) <= 2 and confdata) or \ rconf.get('url_print')): sys.stderr.write("error: incorrect number of arguments\n\n") sys.stderr.write(op.get_usage() + "\n") sys.exit(1) if getattr(confdata, 'rx', None): # peers are regexen, don't try to parse them canon_peers = args namedict = {} else: rscs = [resource.parse_url(u) for u in args] dc = rconf.get('url_print') if dc: for r in rscs: print(r.get_url(**{'normal': {}, 'canon': {'canonical': True}, 'canon_esc': {'canonical': True, 'escaped': True}}[dc])) return local = remote = None if rscs: local = rscs[0] if len(rscs) > 1: remote = rscs[1] if not local.can_connect_to(remote): raise GsyncdError("%s cannot work with %s" % (local.path, remote and remote.path)) pa = ([], [], []) urlprms = ({}, {'canonical': True}, {'canonical': True, 'escaped': True}) for x in rscs: for i in range(len(pa)): pa[i].append(x.get_url(**urlprms[i])) peers, canon_peers, canon_esc_peers = pa # creating the namedict, a dict representing various ways of referring to / repreenting # peers to be fillable in config templates mods = (lambda x: x, lambda x: x[0].upper() + x[1:], lambda x: 'e' + x[0].upper() + x[1:]) if remote: rmap = { local: ('local', 'master'), remote: ('remote', 'slave') } else: rmap = { local: ('local', 'slave') } namedict = {} for i in range(len(rscs)): x = rscs[i] for name in rmap[x]: for j in range(3): namedict[mods[j](name)] = pa[j][i] if x.scheme == 'gluster': namedict[name + 'vol'] = x.volume if not 'config_file' in rconf: rconf['config_file'] = os.path.join(os.path.dirname(sys.argv[0]), "conf/gsyncd.conf") gcnf = GConffile(rconf['config_file'], canon_peers, defaults.__dict__, opts.__dict__, namedict) if confdata: opt_ok = norm(confdata.opt) in tunables + [None] if confdata.op == 'check': if opt_ok: sys.exit(0) else: sys.exit(1) elif not opt_ok: raise GsyncdError("not a valid option: " + confdata.opt) if confdata.op == 'get': gcnf.get(confdata.opt) elif confdata.op == 'set': gcnf.set(confdata.opt, confdata.val, confdata.rx) elif confdata.op == 'del': gcnf.delete(confdata.opt, confdata.rx) return gconf.__dict__.update(defaults.__dict__) gcnf.update_to(gconf.__dict__) gconf.__dict__.update(opts.__dict__) gconf.configinterface = gcnf ffd = rconf.get('feedback_fd') if ffd: fcntl.fcntl(ffd, fcntl.F_SETFD, fcntl.FD_CLOEXEC) #normalize loglevel lvl0 = gconf.log_level if isinstance(lvl0, str): lvl1 = lvl0.upper() lvl2 = logging.getLevelName(lvl1) # I have _never_ _ever_ seen such an utterly braindead # error condition if lvl2 == "Level " + lvl1: raise GsyncdError('cannot recognize log level "%s"' % lvl0) gconf.log_level = lvl2 go_daemon = rconf['go_daemon'] be_monitor = rconf.get('monitor') if not be_monitor and isinstance(remote, resource.SSH) and \ go_daemon == 'should': go_daemon = 'postconn' log_file = None else: log_file = gconf.log_file if be_monitor: label = 'monitor' elif remote: #master label = '' else: label = 'slave' startup(go_daemon=go_daemon, log_file=log_file, label=label) if be_monitor: return monitor() logging.info("syncing: %s" % " -> ".join(peers)) if remote: go_daemon = remote.connect_remote(go_daemon=go_daemon) if go_daemon: startup(go_daemon=go_daemon, log_file=gconf.log_file) # complete remote connection in child remote.connect_remote(go_daemon='done') local.connect() if ffd: os.close(ffd) local.service_loop(*[r for r in [remote] if r])
def main_i(): rconf = {'go_daemon': 'should'} def store_abs(opt, optstr, val, parser): setattr(parser.values, opt.dest, os.path.abspath(val)) def store_local(opt, optstr, val, parser): rconf[opt.dest] = val def store_local_curry(val): return lambda o, oo, vx, p: store_local(o, oo, val, p) op = OptionParser(usage="%prog [options...] <master> <slave>", version="%prog 0.0.1") op.add_option('--gluster-command', metavar='CMD', default='glusterfs') op.add_option('--gluster-log-file', metavar='LOGF', default=os.devnull, type=str, action='callback', callback=store_abs) op.add_option('--gluster-log-level', metavar='LVL') op.add_option('-p', '--pid-file', metavar='PIDF', type=str, action='callback', callback=store_abs) op.add_option('-l', '--log-file', metavar='LOGF', type=str, action='callback', callback=store_abs) op.add_option('-L', '--log-level', metavar='LVL') op.add_option('-r', '--remote-gsyncd', metavar='CMD', default=os.path.abspath(sys.argv[0])) op.add_option('-s', '--ssh-command', metavar='CMD', default='ssh') op.add_option('--rsync-command', metavar='CMD', default='rsync') op.add_option('--rsync-extra', metavar='ARGS', default='-sS', help=SUPPRESS_HELP) op.add_option('--timeout', metavar='SEC', type=int, default=120) op.add_option('--sync-jobs', metavar='N', type=int, default=3) op.add_option('--turns', metavar='N', type=int, default=0, help=SUPPRESS_HELP) op.add_option('-c', '--config-file', metavar='CONF', type=str, action='callback', callback=store_local) # duh. need to specify dest or value will be mapped to None :S op.add_option('--listen', dest='listen', help=SUPPRESS_HELP, action='callback', callback=store_local_curry(True)) op.add_option('-N', '--no-daemon', dest="go_daemon", action='callback', callback=store_local_curry('dont')) op.add_option('--debug', dest="go_daemon", action='callback', callback=lambda *a: (store_local_curry('dont')(*a), setattr(a[-1].values, 'log_file', '-'), setattr(a[-1].values, 'log_level', 'DEBUG'))), op.add_option('--config-get', metavar='OPT', type=str, dest='config', action='callback', callback=store_local) op.add_option('--config-get-all', dest='config', action='callback', callback=store_local_curry(True)) op.add_option('--config-set', metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx[0], vx[1], False), p)) op.add_option('--config-set-rx', metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx[0], vx[1], True), p)) op.add_option('--config-del', metavar='OPT', type=str, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx, False, False), p)) op.add_option('--config-del-rx', metavar='OPT', type=str, dest='config', action='callback', callback=lambda o, oo, vx, p: store_local(o, oo, (vx, False, True), p)) op.add_option('--canonicalize-url', dest='do_canon', action='callback', callback=store_local_curry('raw')) op.add_option('--canonicalize-escape-url', dest='do_canon', action='callback', callback=store_local_curry('escaped')) # precedence for sources of values: 1) commandline, 2) cfg file, 3) defaults # -- for this to work out we need to tell apart defaults from explicitly set # options... so churn out the defaults here and call the parser with virgin # values container. defaults = op.get_default_values() opts, args = op.parse_args(values=optparse.Values()) confdata = rconf.get('config') if not (len(args) == 2 or \ (len(args) == 1 and rconf.get('listen')) or \ (len(args) <= 2 and confdata) or \ rconf.get('do_canon')): sys.stderr.write("error: incorrect number of arguments\n\n") sys.stderr.write(op.get_usage() + "\n") sys.exit(1) if confdata and isinstance(confdata, tuple) and confdata[2]: # peers are regexen, don't try to parse them canon_peers = args else: rscs = [resource.parse_url(u) for u in args] dc = rconf.get('do_canon') if dc: for r in rscs: print(r.get_url(canonical=True, escaped=(dc=='escaped'))) return local = remote = None if rscs: local = rscs[0] if len(rscs) > 1: remote = rscs[1] if not local.can_connect_to(remote): raise RuntimeError("%s cannot work with %s" % (local.path, remote and remote.path)) pa = ([], []) canon = [False, True] for x in (local, remote): if x: for i in range(2): pa[i].append(x.get_url(canonical=canon[i])) peers, canon_peers = pa if not 'config_file' in rconf: rconf['config_file'] = os.path.join(os.path.dirname(sys.argv[0]), "conf/gsyncd.conf") gcnf = GConffile(rconf['config_file'], canon_peers) if confdata: if isinstance(confdata, tuple): if confdata[1]: gcnf.set(*confdata) else: gcnf.delete(confdata[0], confdata[1]) else: if confdata == True: confdata = None gcnf.get(confdata) return gconf.__dict__.update(defaults.__dict__) gcnf.update_to(gconf.__dict__) gconf.__dict__.update(opts.__dict__) #normalize loglevel lvl0 = gconf.log_level if isinstance(lvl0, str): lvl1 = lvl0.upper() lvl2 = logging.getLevelName(lvl1) # I have _never_ _ever_ seen such an utterly braindead # error condition if lvl2 == "Level " + lvl1: raise RuntimeError('cannot recognize log level "%s"' % lvl0) gconf.log_level = lvl2 go_daemon = rconf['go_daemon'] if isinstance(remote, resource.SSH) and go_daemon == 'should': go_daemon = 'postconn' log_file = None else: log_file = gconf.log_file startup(go_daemon=go_daemon, log_file=log_file, slave=(not remote)) logging.info("syncing: %s" % " -> ".join(peers)) if remote: go_daemon = remote.connect_remote(go_daemon=go_daemon) if go_daemon: startup(go_daemon=go_daemon, log_file=gconf.log_file) # complete remote connection in child remote.connect_remote(go_daemon='done') local.connect() local.service_loop(*[r for r in [remote] if r]) logging.info("exiting.")
def main_i(): rconf = {'go_daemon': 'should'} def store_abs(opt, optstr, val, parser): if val and val != '-': val = os.path.abspath(val) setattr(parser.values, opt.dest, val) def store_local(opt, optstr, val, parser): rconf[opt.dest] = val def store_local_curry(val): return lambda o, oo, vx, p: store_local(o, oo, val, p) def store_local_obj(op, dmake): return lambda o, oo, vx, p: store_local( o, oo, FreeObject(op=op, **dmake(vx)), p) op = OptionParser(usage="%prog [options...] <master> <slave>", version="%prog 0.0.1") op.add_option('--gluster-command', metavar='CMD', default='glusterfs') op.add_option('--gluster-log-file', metavar='LOGF', default=os.devnull, type=str, action='callback', callback=store_abs) op.add_option('--gluster-log-level', metavar='LVL') op.add_option('-p', '--pid-file', metavar='PIDF', type=str, action='callback', callback=store_abs) op.add_option('-l', '--log-file', metavar='LOGF', type=str, action='callback', callback=store_abs) op.add_option('--state-file', metavar='STATF', type=str, action='callback', callback=store_abs) op.add_option('-L', '--log-level', metavar='LVL') op.add_option('-r', '--remote-gsyncd', metavar='CMD', default=os.path.abspath(sys.argv[0])) op.add_option('--volume-id', metavar='UUID') op.add_option('--session-owner', metavar='ID') op.add_option('-s', '--ssh-command', metavar='CMD', default='ssh') op.add_option('--rsync-command', metavar='CMD', default='rsync') op.add_option('--rsync-extra', metavar='ARGS', default='-sS', help=SUPPRESS_HELP) op.add_option('--timeout', metavar='SEC', type=int, default=120) op.add_option('--sync-jobs', metavar='N', type=int, default=3) op.add_option('--turns', metavar='N', type=int, default=0, help=SUPPRESS_HELP) op.add_option('-c', '--config-file', metavar='CONF', type=str, action='callback', callback=store_local) # duh. need to specify dest or value will be mapped to None :S op.add_option('--monitor', dest='monitor', action='callback', callback=store_local_curry(True)) op.add_option('--feedback-fd', dest='feedback_fd', type=int, help=SUPPRESS_HELP, action='callback', callback=store_local) op.add_option('--listen', dest='listen', help=SUPPRESS_HELP, action='callback', callback=store_local_curry(True)) op.add_option('-N', '--no-daemon', dest="go_daemon", action='callback', callback=store_local_curry('dont')) op.add_option('--debug', dest="go_daemon", action='callback', callback=lambda *a: (store_local_curry('dont') (*a), setattr(a[-1].values, 'log_file', '-'), setattr(a[-1].values, 'log_level', 'DEBUG'))), for a in ('check', 'get'): op.add_option('--config-' + a, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj(a, lambda vx: {'opt': vx})) op.add_option('--config-get-all', dest='config', action='callback', callback=store_local_obj('get', lambda vx: {'opt': None})) for m in ('', '-rx'): # call this code 'Pythonic' eh? # have to define a one-shot local function to be able to inject (a value depending on the) # iteration variable into the inner lambda def conf_mod_opt_regex_variant(rx): op.add_option('--config-set' + m, metavar='OPT VAL', type=str, nargs=2, dest='config', action='callback', callback=store_local_obj( 'set', lambda vx: { 'opt': vx[0], 'val': vx[1], 'rx': rx })) op.add_option('--config-del' + m, metavar='OPT', type=str, dest='config', action='callback', callback=store_local_obj( 'del', lambda vx: { 'opt': vx, 'rx': rx })) conf_mod_opt_regex_variant(not not m) op.add_option('--normalize-url', dest='url_print', action='callback', callback=store_local_curry('normal')) op.add_option('--canonicalize-url', dest='url_print', action='callback', callback=store_local_curry('canon')) op.add_option('--canonicalize-escape-url', dest='url_print', action='callback', callback=store_local_curry('canon_esc')) tunables = [ norm(o.get_opt_string()[2:]) for o in op.option_list if o.callback in (store_abs, None) and o.get_opt_string() not in ('--version', '--help') ] # precedence for sources of values: 1) commandline, 2) cfg file, 3) defaults # -- for this to work out we need to tell apart defaults from explicitly set # options... so churn out the defaults here and call the parser with virgin # values container. defaults = op.get_default_values() opts, args = op.parse_args(values=optparse.Values()) confdata = rconf.get('config') if not (len(args) == 2 or \ (len(args) == 1 and rconf.get('listen')) or \ (len(args) <= 2 and confdata) or \ rconf.get('url_print')): sys.stderr.write("error: incorrect number of arguments\n\n") sys.stderr.write(op.get_usage() + "\n") sys.exit(1) if getattr(confdata, 'rx', None): # peers are regexen, don't try to parse them canon_peers = args namedict = {} else: rscs = [resource.parse_url(u) for u in args] dc = rconf.get('url_print') if dc: for r in rscs: print( r.get_url( **{ 'normal': {}, 'canon': { 'canonical': True }, 'canon_esc': { 'canonical': True, 'escaped': True } }[dc])) return local = remote = None if rscs: local = rscs[0] if len(rscs) > 1: remote = rscs[1] if not local.can_connect_to(remote): raise RuntimeError("%s cannot work with %s" % (local.path, remote and remote.path)) pa = ([], [], []) urlprms = ({}, { 'canonical': True }, { 'canonical': True, 'escaped': True }) for x in rscs: for i in range(len(pa)): pa[i].append(x.get_url(**urlprms[i])) peers, canon_peers, canon_esc_peers = pa # creating the namedict, a dict representing various ways of referring to / repreenting # peers to be fillable in config templates mods = (lambda x: x, lambda x: x[0].upper() + x[1:], lambda x: 'e' + x[0].upper() + x[1:]) if remote: rmap = {local: ('local', 'master'), remote: ('remote', 'slave')} else: rmap = {local: ('local', 'slave')} namedict = {} for i in range(len(rscs)): x = rscs[i] for name in rmap[x]: for j in range(3): namedict[mods[j](name)] = pa[j][i] if x.scheme == 'gluster': namedict[name + 'vol'] = x.volume if not 'config_file' in rconf: rconf['config_file'] = os.path.join(os.path.dirname(sys.argv[0]), "conf/gsyncd.conf") gcnf = GConffile(rconf['config_file'], canon_peers, defaults.__dict__, opts.__dict__, namedict) if confdata: opt_ok = norm(confdata.opt) in tunables + [None] if confdata.op == 'check': if opt_ok: sys.exit(0) else: sys.exit(1) elif not opt_ok: raise RuntimeError("not a valid option: " + confdata.opt) if confdata.op == 'get': gcnf.get(confdata.opt) elif confdata.op == 'set': gcnf.set(confdata.opt, confdata.val, confdata.rx) elif confdata.op == 'del': gcnf.delete(confdata.opt, confdata.rx) return gconf.__dict__.update(defaults.__dict__) gcnf.update_to(gconf.__dict__) gconf.__dict__.update(opts.__dict__) gconf.configinterface = gcnf ffd = rconf.get('feedback_fd') if ffd: fcntl.fcntl(ffd, fcntl.F_SETFD, fcntl.FD_CLOEXEC) #normalize loglevel lvl0 = gconf.log_level if isinstance(lvl0, str): lvl1 = lvl0.upper() lvl2 = logging.getLevelName(lvl1) # I have _never_ _ever_ seen such an utterly braindead # error condition if lvl2 == "Level " + lvl1: raise RuntimeError('cannot recognize log level "%s"' % lvl0) gconf.log_level = lvl2 go_daemon = rconf['go_daemon'] be_monitor = rconf.get('monitor') if not be_monitor and isinstance(remote, resource.SSH) and \ go_daemon == 'should': go_daemon = 'postconn' log_file = None else: log_file = gconf.log_file if be_monitor: label = 'monitor' elif remote: #master label = '' else: label = 'slave' startup(go_daemon=go_daemon, log_file=log_file, label=label) if be_monitor: return monitor() logging.info("syncing: %s" % " -> ".join(peers)) if remote: go_daemon = remote.connect_remote(go_daemon=go_daemon) if go_daemon: startup(go_daemon=go_daemon, log_file=gconf.log_file) # complete remote connection in child remote.connect_remote(go_daemon='done') local.connect() if ffd: os.close(ffd) local.service_loop(*[r for r in [remote] if r]) logging.info("exiting.")