# -*- coding: utf-8 -*-
#
# Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
# This file is part of GlusterFS.
#
# This file is licensed to you under your choice of the GNU Lesser
# General Public License, version 3 or any later version (LGPLv3 or
# later), or the GNU General Public License, version 2 (GPLv2), in all
# cases as published by the Free Software Foundation.
#
from __future__ import print_function
from syncdutils import lf
import logging
import gsyncdconfig as gconf
ERROR_CONFIG_INVALID = 2
ERROR_CONFIG_INVALID_VALUE = 3
ERROR_CONFIG_NOT_CONFIGURABLE = 4
def subcmd_monitor_status(args):
from gsyncdstatus import set_monitor_status
from rconf import rconf
set_monitor_status(gconf.get("state-file"), args.status)
rconf.log_exit = False
logging.info(lf("Monitor Status Change", status=args.status))
def subcmd_status(args):
from gsyncdstatus import GeorepStatus
master_name = args.master.replace(":", "")
slave_data = args.slave.replace("ssh://", "")
brick_status = GeorepStatus(gconf.get("state-file"),
"",
args.local_path,
"",
master_name,
slave_data,
gconf.get("pid-file"))
checkpoint_time = gconf.get("checkpoint", 0)
brick_status.print_status(checkpoint_time=checkpoint_time,
json_output=args.json)
def subcmd_monitor(args):
import monitor
from resource import GLUSTER, SSH, Popen
go_daemon = False if args.debug else True
monitor.startup(go_daemon)
Popen.init_errhandler()
local = GLUSTER("localhost", args.master)
slavehost, slavevol = args.slave.split("::")
remote = SSH(slavehost, slavevol)
return monitor.monitor(local, remote)
def subcmd_verify_spawning(args):
logging.info("Able to spawn gsyncd.py")
def subcmd_worker(args):
import os
import fcntl
from resource import GLUSTER, SSH, Popen
Popen.init_errhandler()
fcntl.fcntl(args.feedback_fd, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
local = GLUSTER("localhost", args.master)
slave_url, slavevol = args.slave.split("::")
if "@" not in slave_url:
slavehost = args.resource_remote
else:
slavehost = "%s@%s" % (slave_url.split("@")[0], args.resource_remote)
remote = SSH(slavehost, slavevol)
remote.connect_remote()
local.connect()
logging.info("Worker spawn successful. Acknowledging back to monitor")
os.close(args.feedback_fd)
local.service_loop(remote)
def subcmd_slave(args):
from resource import GLUSTER, Popen
Popen.init_errhandler()
slavevol = args.slave.split("::")[-1]
local = GLUSTER("localhost", slavevol)
local.connect()
local.service_loop()
def subcmd_agent(args):
import os
from changelogagent import agent, Changelog
from syncdutils import lf
os.setsid()
logging.debug(lf("RPC FD",
rpc_fd=repr(args.rpc_fd)))
return agent(Changelog(), args.rpc_fd)
def subcmd_voluuidget(args):
from subprocess import Popen, PIPE
import xml.etree.ElementTree as XET
ParseError = XET.ParseError if hasattr(XET, 'ParseError') else SyntaxError
cmd = ['gluster', '--xml', '--remote-host=' + args.host,
'volume', 'info', args.volname]
if args.inet6:
cmd.append("--inet6")
po = Popen(cmd, bufsize=0,
stdin=None, stdout=PIPE, stderr=PIPE,
universal_newlines=True)
vix, err = po.communicate()
if po.returncode != 0:
logging.info(lf("Volume info failed, unable to get "
"volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=po.returncode))
return ""
vi = XET.fromstring(vix)
if vi.find('opRet').text != '0':
logging.info(lf("Unable to get volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=vi.find('opErrstr').text))
return ""
try:
voluuid = vi.find("volInfo/volumes/volume/id").text
except (ParseError, AttributeError, ValueError) as e:
logging.info(lf("Parsing failed to volume uuid of slavevol, "
"returning empty string",
slavevol=args.volname,
slavehost=args.host,
error=e))
voluuid = ""
print(voluuid)
def _unlink(path):
import os
from errno import ENOENT
from syncdutils import GsyncdError
import sys
try:
os.unlink(path)
except (OSError, IOError):
if sys.exc_info()[1].errno == ENOENT:
pass
else:
raise GsyncdError('Unlink error: %s' % path)
def subcmd_delete(args):
import logging
import shutil
import glob
import sys
from errno import ENOENT, ENODATA
import struct
from syncdutils import GsyncdError, Xattr, errno_wrap
import gsyncdconfig as gconf
logging.info('geo-replication delete')
# remove the stime xattr from all the brick paths so that
# a re-create of a session will start sync all over again
stime_xattr_prefix = gconf.get('stime-xattr-prefix', None)
# Delete pid file, status file, socket file
cleanup_paths = []
cleanup_paths.append(gconf.get("pid-file"))
# Cleanup Session dir
try:
shutil.rmtree(gconf.get("georep-session-working-dir"))
except (IOError, OSError):
if sys.exc_info()[1].errno == ENOENT:
pass
else:
raise GsyncdError(
'Error while removing working dir: %s' %
gconf.get("georep-session-working-dir"))
# Cleanup changelog working dirs
try:
shutil.rmtree(gconf.get("working-dir"))
except (IOError, OSError):
if sys.exc_info()[1].errno == ENOENT:
pass
else:
raise GsyncdError(
'Error while removing working dir: %s' %
gconf.get("working-dir"))
for path in cleanup_paths:
# To delete temp files
for f in glob.glob(path + "*"):
_unlink(f)
if args.reset_sync_time and stime_xattr_prefix:
for p in args.paths:
if p != "":
# set stime to (0,0) to trigger full volume content resync
# to slave on session recreation
# look at master.py::Xcrawl hint: zero_zero
errno_wrap(Xattr.lsetxattr,
(p, stime_xattr_prefix + ".stime",
struct.pack("!II", 0, 0)),
[ENOENT, ENODATA])
errno_wrap(Xattr.lremovexattr,
(p, stime_xattr_prefix + ".entry_stime"),
[ENOENT, ENODATA])
return
def print_config(name, value, only_value=False, use_underscore=False):
val = value
if isinstance(value, bool):
val = str(value).lower()
if only_value:
print(val)
else:
if use_underscore:
name = name.replace("-", "_")
print(("%s:%s" % (name, val)))
def config_name_format(val):
return val.replace("_", "-")
def subcmd_config_get(args):
import sys
import json
all_config = gconf.getall(show_defaults=args.show_defaults,
show_non_configurable=True)
if args.name is not None:
val = all_config.get(config_name_format(args.name), None)
if val is None:
sys.stderr.write("Invalid config name \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_INVALID)
print_config(args.name, val["value"], only_value=args.only_value,
use_underscore=args.use_underscore)
return
if args.json:
out = []
# Convert all values as string
for k in sorted(all_config):
v = all_config[k]
out.append({
"name": k,
"value": str(v["value"]),
"default": str(v["default"]),
"configurable": v["configurable"],
"modified": v["modified"]
})
print((json.dumps(out)))
return
for k in sorted(all_config):
print_config(k, all_config[k]["value"],
use_underscore=args.use_underscore)
def subcmd_config_check(args):
import sys
try:
gconf.check(config_name_format(args.name), value=args.value,
with_conffile=False)
except gconf.GconfNotConfigurable:
cnf_val = gconf.get(config_name_format(args.name), None)
if cnf_val is None:
sys.stderr.write("Invalid config name \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_INVALID)
# Not configurable
sys.stderr.write("Not configurable \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_NOT_CONFIGURABLE)
except gconf.GconfInvalidValue:
sys.stderr.write("Invalid config value \"%s=%s\"\n" % (args.name,
args.value))
sys.exit(ERROR_CONFIG_INVALID_VALUE)
def subcmd_config_set(args):
import sys
try:
gconf.setconfig(config_name_format(args.name), args.value)
except gconf.GconfNotConfigurable:
cnf_val = gconf.get(config_name_format(args.name), None)
if cnf_val is None:
sys.stderr.write("Invalid config name \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_INVALID)
# Not configurable
sys.stderr.write("Not configurable \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_NOT_CONFIGURABLE)
except gconf.GconfInvalidValue:
sys.stderr.write("Invalid config value \"%s=%s\"\n" % (args.name,
args.value))
sys.exit(ERROR_CONFIG_INVALID_VALUE)
def subcmd_config_reset(args):
import sys
try:
gconf.resetconfig(config_name_format(args.name))
except gconf.GconfNotConfigurable:
cnf_val = gconf.get(config_name_format(args.name), None)
if cnf_val is None:
sys.stderr.write("Invalid config name \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_INVALID)
# Not configurable
sys.stderr.write("Not configurable \"%s\"\n" % args.name)
sys.exit(ERROR_CONFIG_NOT_CONFIGURABLE)