def __init__(self):
self.opts = None
self.args = None
self.fuse_server = None
self.log_cache_dir = None
self.state_file = None
self.log_cache_dir = None
self.runfs_thread = None
self.log = Dummy()
def init_logger(fmt='pretty',
quiet=False,
level='INFO',
fpath=None,
pre_hooks=None,
post_hooks=None,
metric_grouping_interval=None):
global LOG
if LOG is not None:
return LOG
if quiet and fpath is None:
# no need for a log - return a dummy
return Dummy()
_configure_logger(fmt, quiet, level, fpath, pre_hooks, post_hooks,
metric_grouping_interval)
log = structlog.get_logger()
level = getattr(logging, level.upper())
log.setLevel(level)
if metric_grouping_interval:
keep_running = Thread(target=dump_metrics,
args=(log, metric_grouping_interval))
keep_running.daemon = True
keep_running.start()
# TODO functionality to change even the level of global stdlib logger.
LOG = log
return log
def __init__(self, args=None):
# argparse parser obj
self.parser = argparse.ArgumentParser(description=self.DESC)
self.define_baseargs(self.parser)
self.subcommands = self.parser.add_subparsers(title="commands")
self.subcommands.dest = "commands"
self.subcommands.required = True
self.define_subcommands(self.subcommands)
self.subcommand_run = self.subcommands.add_parser("run")
self.subcommand_run.set_defaults(func=self.run)
self.define_args(self.subcommand_run)
self.args = self.parser.parse_args(args=args)
self.hostname = socket.gethostname()
if self.args.metric_grouping_interval:
self.METRIC_GROUPING_INTERVAL = self.args.metric_grouping_interval
if self.args.debug:
if self.args.log_level is None:
self.args.log_level = "debug"
if self.args.metric_grouping_interval is None:
self.args.metric_grouping_interval = 0
if not self.args.log_level:
self.args.log_level = "info"
self.args.metric_grouping_interval = self.METRIC_GROUPING_INTERVAL
if self.args.metric_grouping_interval is None:
self.args.metric_grouping_interval = self.METRIC_GROUPING_INTERVAL
log = init_logger(
fmt=self.args.log_format,
quiet=self.args.quiet,
level=self.args.log_level,
fpath=self.args.log_file,
processors=self.define_log_processors(),
metric_grouping_interval=self.args.metric_grouping_interval,
minimal=self.args.minimal,
)
self._flush_metrics_q = log._force_flush_q
self.log = log.bind(name=self.args.name)
if self.args.env_file:
ReadEnv(self.args.env_file)
self.stats = Dummy()
args = {n: getattr(self.args, n) for n in vars(self.args)}
args["func"] = self.args.func.__name__
self.log.debug("basescript init", **args)
def __init__(self, args=None):
# argparse parser obj
self.parser = argparse.ArgumentParser(description=self.DESC)
self.define_baseargs(self.parser)
self.subcommands = self.parser.add_subparsers(title='commands')
self.subcommands.dest = 'commands'
self.subcommands.required = True
self.define_subcommands(self.subcommands)
self.subcommand_run = self.subcommands.add_parser('run')
self.subcommand_run.set_defaults(func=self.run)
self.define_args(self.subcommand_run)
self.args = self.parser.parse_args(args=args)
self.hostname = socket.gethostname()
if self.args.metric_grouping_interval:
self.METRIC_GROUPING_INTERVAL = self.args.metric_grouping_interval
if self.args.debug:
if self.args.log_level is None:
self.args.log_level = 'debug'
if self.args.metric_grouping_interval is None:
self.args.metric_grouping_interval = 0
if not self.args.log_level:
self.args.log_level = 'info'
self.args.metric_grouping_interval = self.METRIC_GROUPING_INTERVAL
if self.args.metric_grouping_interval is None:
self.args.metric_grouping_interval = self.METRIC_GROUPING_INTERVAL
self.log = init_logger(
fmt=self.args.log_format,
quiet=self.args.quiet,
level=self.args.log_level,
fpath=self.args.log_file,
pre_hooks=self.define_log_pre_format_hooks(),
post_hooks=self.define_log_post_format_hooks(),
metric_grouping_interval=self.args.metric_grouping_interval).bind(
name=self.args.name)
self.stats = Dummy()
args = {n: getattr(self.args, n) for n in vars(self.args)}
args['func'] = self.args.func.__name__
self.log.debug("basescript init", **args)
def init_logger(
fmt=None,
quiet=False,
level="INFO",
fpath=None,
processors=None,
metric_grouping_interval=None,
minimal=False,
):
"""
fmt=pretty/json controls only stderr; file always gets json.
"""
global LOG
if LOG is not None:
return LOG
if quiet and fpath is None:
# no need for a log - return a dummy
return Dummy()
if not fmt and not quiet:
fmt = "pretty" if sys.stderr.isatty() else "json"
_configure_logger(
fmt, quiet, level, fpath, processors, metric_grouping_interval, minimal
)
log = structlog.get_logger()
log._force_flush_q = queue.Queue(maxsize=FORCE_FLUSH_Q_SIZE)
if metric_grouping_interval:
keep_running = Thread(target=dump_metrics, args=(log, metric_grouping_interval))
keep_running.daemon = True
keep_running.start()
# TODO functionality to change even the level of global stdlib logger.
LOG = log
return log
# -*- coding: utf-8 -*
import asyncio
import gzip
import io
import msgpack
from tornado.web import RequestHandler as TornadoRequestHandler
from tornado.web import asynchronous
import tornado.ioloop
from kwikapi import BaseRequest, BaseResponse, BaseRequestHandler
from requests.structures import CaseInsensitiveDict
from deeputil import Dummy
DUMMY_LOG = Dummy()
class TornadoRequest(BaseRequest):
def __init__(self, req_hdlr):
super().__init__()
self._request = req_hdlr.request
self.response = TornadoResponse(req_hdlr)
@property
def url(self):
return self._request.uri
@property
def method(self):
return self._request.method
class LogaggFuseRunner:
def __init__(self):
self.opts = None
self.args = None
self.fuse_server = None
self.log_cache_dir = None
self.state_file = None
self.log_cache_dir = None
self.runfs_thread = None
self.log = Dummy()
def _mkdir_logdir(self, parent_directory):
log_dir = os.path.abspath(os.path.join(parent_directory,
"logs"))
if not os.path.isdir(log_dir):
self.log.debug('making_cache_directory', d=log_dir)
os.makedirs(log_dir)
return log_dir
def _touch_statefile(self, parent_directory):
state_file = os.path.abspath(os.path.join(parent_directory,
"trackfiles.txt"))
if not os.path.exists(state_file):
self.log.debug('making_state_file', f=state_file)
open(state_file, 'a').close()
return state_file
def runfs(self):
usage = """
Logagg Log collection FUSE filesystem
""" + Fuse.fusage
#argument parsing
server = LogaggFS(version="%prog " + fuse.__version__,
usage=usage,
dash_s_do='setsingle',
file_class=LogaggFSFile)
self.fuse_server = server
p = server.parser
p.add_option(mountopt='root', metavar='PATH',
help='mountpoint')
p.add_option(mountopt='loglevel', metavar='DEBUG/INFO' ,default='INFO',
help='level of logger')
p.add_option(mountopt='logfile', metavar='PATH', default='/tmp/fuse.log',
help='file path to store logs')
server.parse(values=server, errex=1)
self.opts, self.args = server.parser.parse_args()
#initiating logger
self.log = DUMMY_LOG
if self.opts.logfile:
self.log = init_logger(fpath=self.opts.logfile,
level=self.opts.loglevel)
ldir = os.path.abspath(server.root)
ldir = os.path.join(ldir, '')[:-1]
self.log_cache_dir = ldir
server.log_cache_dir = self.log_cache_dir
LogaggFSFile.log_cache_dir = self.log_cache_dir
server.log = self.log
MirrorFSFile.log = self.log
self.log.debug('starting_up')
#FIXME: report bug of init_logger not working with fpath=None
try:
if server.fuse_args.mount_expected():
os.chdir(server.log_cache_dir)
except OSError:
log.exception("cannot_enter_root_of_underlying_filesystem", file=sys.stderr)
sys.exit(1)
# mkdir logs directory and state file inside log cache directory
self.log_dir = self._mkdir_logdir(parent_directory=self.log_cache_dir)
self.state_file = self._touch_statefile(parent_directory=self.log_cache_dir)
# create tracklist for monitoring log files
tracklist = TrackList(state_file=self.state_file,
directory=self.log_dir,
log=self.log)
LogaggFSFile.tracklist = tracklist
LogaggFSFile.mountpoint = server.fuse_args.mountpoint
server.main()
def start(self):
th = threading.Thread(target=self.runfs)
th.daemon = True
th.start()
self.runfs_thread = th
th.join()
class LogaggFuseRunner:
"""
Initializes and runs LogaggFs file system
"""
TRACKFILES_REFRESH_INTERVAL = (
30) # Seconds after which data inside trackfiles.txt is read regularly
def __init__(self):
self.opts = None
self.args = None
self.fuse_server = None
self.log_cache_dir = None
self.state_file = None
self.log_cache_dir = None
self.runfs_thread = None
self.log = Dummy()
def _mkdir_logdir(self, parent_directory):
"""
Make logcache/logs dir if not present
"""
# FIXME: use logagg_utils ensure_dir func
log_dir = os.path.abspath(os.path.join(parent_directory, "logs"))
if not os.path.isdir(log_dir):
self.log.debug("making_cache_directory", d=log_dir)
os.makedirs(log_dir)
return log_dir
def _touch_statefile(self, parent_directory):
"""
Touch logcache/trackfiles.txt filr if not there
"""
state_file = os.path.abspath(
os.path.join(parent_directory, "trackfiles.txt"))
if not os.path.exists(state_file):
self.log.debug("making_state_file", f=state_file)
open(state_file, "a").close()
return state_file
def runfs(self):
usage = ("""
Logagg Log collection FUSE filesystem
""" + Fuse.fusage)
# Argument parsing
server = LogaggFS(
version="%prog " + fuse.__version__,
usage=usage,
dash_s_do="setsingle",
file_class=LogaggFSFile,
)
self.fuse_server = server
p = server.parser
p.add_option(mountopt="root", metavar="PATH", help="mountpoint")
p.add_option(
mountopt="loglevel",
metavar="DEBUG/INFO",
default="INFO",
help="level of logger",
)
p.add_option(
mountopt="logfile",
metavar="PATH",
default="/tmp/fuse.log",
help="file path to store logs",
)
server.parse(values=server, errex=1)
self.opts, self.args = server.parser.parse_args()
# initiating logger
self.log = DUMMY_LOG
if self.opts.logfile:
self.log = init_logger(fpath=self.opts.logfile,
level=self.opts.loglevel)
if not hasattr(server, "root"):
sys.exit(0)
ldir = os.path.abspath(server.root)
ldir = os.path.join(ldir, "")[:-1]
self.log_cache_dir = ldir
server.log_cache_dir = self.log_cache_dir
LogaggFSFile.log_cache_dir = self.log_cache_dir
server.log = self.log
MirrorFSFile.log = self.log
self.log.debug("starting_up")
# FIXME: report bug of init_logger not working with fpath=None
try:
if server.fuse_args.mount_expected():
os.chdir(server.log_cache_dir)
except OSError:
log.exception("cannot_enter_root_of_underlying_filesystem",
file=sys.stderr)
sys.exit(1)
# mkdir logs directory and state file inside log cache directory
self.log_dir = self._mkdir_logdir(parent_directory=self.log_cache_dir)
self.state_file = self._touch_statefile(
parent_directory=self.log_cache_dir)
# Create tracklist for monitoring log files
tracklist = TrackList(state_file=self.state_file,
directory=self.log_dir,
log=self.log)
LogaggFSFile.tracklist = tracklist
# LRU cache that expires in TRACKFILES_REFRESH_INTERVAL sec(s)
clock = ExpiringCache(1,
default_timeout=self.TRACKFILES_REFRESH_INTERVAL)
clock.put("timeout", "no")
LogaggFSFile.clock = clock
LogaggFSFile.mountpoint = server.fuse_args.mountpoint
server.main()
def start(self):
th = threading.Thread(target=self.runfs)
th.daemon = True
th.start()
self.runfs_thread = th
th.join()
import collections
from deeputil import Dummy
from operator import attrgetter
DUMMY = Dummy()
def memoize(f):
# from: https://goo.gl/aXt4Qy
class memodict(dict):
__slots__ = ()
def __missing__(self, key):
self[key] = ret = f(key)
return ret
return memodict().__getitem__
@memoize
def load_object(imp_path):
"""Given a path (python import path), load the object.
eg of path: logagg.formatters.nginx_access
: logagg.forwarders.mongodb
"""
module_name, obj_name = imp_path.split('.', 1)
module = __import__(module_name)
obj = attrgetter(obj_name)(module)
