# Copyright (C) 2015-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
import logging
# WARNING: do not import unnecessary things here to keep cli startup time under
# control
import os
import time
from types import FrameType
from typing import Optional
import click
from swh.core.cli import CONTEXT_SETTINGS
from swh.core.cli import swh as swh_cli_group
logger = logging.getLogger(__name__)
@swh_cli_group.group(name="objstorage", context_settings=CONTEXT_SETTINGS)
@click.option(
"--config-file",
"-C",
default=None,
type=click.Path(
exists=True,
dir_okay=False,
),
help="Configuration file.",
)
@click.pass_context
def objstorage_cli_group(ctx, config_file):
"""Software Heritage Objstorage tools."""
from swh.core import config
if not config_file:
config_file = os.environ.get("SWH_CONFIG_FILENAME")
if config_file:
if not os.path.exists(config_file):
raise click.ClickException(
"Configuration file %s does not exist" % config_file
)
conf = config.read(config_file)
else:
conf = {}
ctx.ensure_object(dict)
ctx.obj["config"] = conf
# for BW compat
cli = objstorage_cli_group
@objstorage_cli_group.command("rpc-serve")
@click.option(
"--host",
default="0.0.0.0",
metavar="IP",
show_default=True,
help="Host ip address to bind the server on",
)
@click.option(
"--port",
"-p",
default=5003,
type=click.INT,
metavar="PORT",
show_default=True,
help="Binding port of the server",
)
@click.option(
"--debug/--no-debug",
default=True,
help="Indicates if the server should run in debug mode",
)
@click.pass_context
def serve(ctx, host, port, debug):
"""Run a standalone objstorage server.
This is not meant to be run on production systems.
"""
from swh.objstorage.api.server import app, validate_config
if "log_level" in ctx.obj:
logging.getLogger("werkzeug").setLevel(ctx.obj["log_level"])
validate_config(ctx.obj["config"])
app.config.update(ctx.obj["config"])
app.run(host, port=int(port), debug=bool(debug))
@objstorage_cli_group.group("winery")
@click.pass_context
def winery(ctx):
"Winery related commands"
config = ctx.obj["config"]["objstorage"]
if config["cls"] != "winery":
raise click.ClickException("winery packer only works on a winery objstorage")
@winery.command("packer")
@click.option("--stop-after-shards", type=click.INT, default=None)
@click.pass_context
def winery_packer(ctx, stop_after_shards: Optional[int] = None):
"""Run a winery packer process"""
import signal
from swh.objstorage.backends.winery.objstorage import shard_packer
from swh.objstorage.backends.winery.roshard import (
DEFAULT_IMAGE_FEATURES_UNSUPPORTED,
)
config = ctx.obj["config"]["objstorage"]
signal_received = False
def stop_packing(num_shards: int) -> bool:
"""Stop packing when a signal is received, or when stop_after_shards is reached."""
return signal_received or (
stop_after_shards is not None and num_shards >= stop_after_shards
)
def set_signal_received(signum: int, _stack_frame: Optional[FrameType]) -> None:
nonlocal signal_received
logger.warning("Received signal %s, exiting", signal.strsignal(signum))
signal_received = True
base_dsn = config["base_dsn"]
shard_dsn = config["shard_dsn"]
shard_max_size = config["shard_max_size"]
throttle_read = config.get("throttle_read", 200 * 1024 * 1024)
throttle_write = config.get("throttle_write", 200 * 1024 * 1024)
output_dir = config.get("output_dir")
rbd_pool_name = config.get("rbd_pool_name", "shards")
rbd_data_pool_name = config.get("rbd_data_pool_name")
rbd_use_sudo = config.get("rbd_use_sudo", True)
rbd_image_features_unsupported = tuple(
config.get("rbd_image_features_unsupported", DEFAULT_IMAGE_FEATURES_UNSUPPORTED)
)
rbd_create_images = config.get("rbd_create_images", True)
signal.signal(signal.SIGINT, set_signal_received)
signal.signal(signal.SIGTERM, set_signal_received)
ret = shard_packer(
base_dsn=base_dsn,
shard_dsn=shard_dsn,
shard_max_size=shard_max_size,
throttle_read=throttle_read,
throttle_write=throttle_write,
rbd_pool_name=rbd_pool_name,
rbd_data_pool_name=rbd_data_pool_name,
rbd_image_features_unsupported=rbd_image_features_unsupported,
rbd_use_sudo=rbd_use_sudo,
rbd_create_images=rbd_create_images,
output_dir=output_dir,
stop_packing=stop_packing,
)
logger.info("Packed %s shards", ret)
@winery.command("rbd")
@click.option("--stop-instead-of-waiting", is_flag=True)
@click.pass_context
def winery_rbd(ctx, stop_instead_of_waiting: bool = False):
"""Run a winery RBD image manager process"""
import signal
from swh.objstorage.backends.winery.roshard import (
DEFAULT_IMAGE_FEATURES_UNSUPPORTED,
Pool,
)
from swh.objstorage.backends.winery.sleep import sleep_exponential
config = ctx.obj["config"]["objstorage"]
stop_on_next_iteration = False
def stop_running() -> bool:
"""Stop running when a signal is received, or when there's nothing to do."""
return stop_on_next_iteration
def wait_for_image(attempt: int):
nonlocal stop_on_next_iteration
if stop_instead_of_waiting:
stop_on_next_iteration = True
return
return sleep_exponential(
min_duration=1,
max_duration=60,
factor=2,
message="No new RBD images",
)(attempt)
def set_signal_received(signum: int, _stack_frame: Optional[FrameType]) -> None:
nonlocal stop_on_next_iteration
logger.warning("Received signal %s, exiting", signal.strsignal(signum))
stop_on_next_iteration = True
base_dsn = config["base_dsn"]
shard_max_size = config["shard_max_size"]
rbd_pool_name = config.get("rbd_pool_name", "shards")
rbd_data_pool_name = config.get("rbd_data_pool_name")
rbd_use_sudo = config.get("rbd_use_sudo", True)
rbd_image_features_unsupported = tuple(
config.get("rbd_image_features_unsupported", DEFAULT_IMAGE_FEATURES_UNSUPPORTED)
)
rbd_manage_rw_images = config.get("rbd_manage_rw_images", True)
signal.signal(signal.SIGINT, set_signal_received)
signal.signal(signal.SIGTERM, set_signal_received)
pool = Pool(
shard_max_size=shard_max_size,
rbd_pool_name=rbd_pool_name,
rbd_data_pool_name=rbd_data_pool_name,
rbd_use_sudo=rbd_use_sudo,
rbd_image_features_unsupported=rbd_image_features_unsupported,
)
pool.manage_images(
base_dsn=base_dsn,
manage_rw_images=rbd_manage_rw_images,
wait_for_image=wait_for_image,
stop_running=stop_running,
)
logger.info("Image manager exiting")
@winery.command("rw-shard-cleaner")
@click.option("--stop-after-shards", type=click.INT, default=None)
@click.option("--stop-instead-of-waiting", is_flag=True)
@click.option(
"--min-mapped-hosts",
type=click.INT,
default=1,
help="Number of hosts on which the image should be mapped read-only before cleanup",
)
@click.pass_context
def winery_rw_shard_cleaner(
ctx,
stop_after_shards: Optional[int] = None,
stop_instead_of_waiting: bool = False,
min_mapped_hosts: int = 1,
):
"""Run a winery RBD image manager process"""
import signal
from swh.objstorage.backends.winery.objstorage import rw_shard_cleaner
from swh.objstorage.backends.winery.sleep import sleep_exponential
config = ctx.obj["config"]["objstorage"]
stop_on_next_iteration = False
def stop_cleaning(num_shards: int) -> bool:
"""Stop running when requested, or when the max number of shards was reached."""
return (
stop_after_shards is not None and num_shards >= stop_after_shards
) or stop_on_next_iteration
def wait_for_shard(attempt: int):
nonlocal stop_on_next_iteration
if stop_instead_of_waiting:
stop_on_next_iteration = True
return
return sleep_exponential(
min_duration=1,
max_duration=60,
factor=2,
message="No shards to clean up",
)(attempt)
def set_signal_received(signum: int, _stack_frame: Optional[FrameType]) -> None:
nonlocal stop_on_next_iteration
logger.warning("Received signal %s, exiting", signal.strsignal(signum))
stop_on_next_iteration = True
base_dsn = config["base_dsn"]
shard_dsn = config["base_dsn"]
signal.signal(signal.SIGINT, set_signal_received)
signal.signal(signal.SIGTERM, set_signal_received)
ret = rw_shard_cleaner(
base_dsn=base_dsn,
shard_dsn=shard_dsn,
min_mapped_hosts=min_mapped_hosts,
stop_cleaning=stop_cleaning,
wait_for_shard=wait_for_shard,
)
logger.info("RW shard cleaner exiting, %d shards cleaned", ret)
@winery.command("clean-deleted-objects")
@click.pass_context
def winery_clean_deleted_objects(ctx):
"""Clean deleted objects from Winery"""
import signal
from swh.objstorage.backends.winery.objstorage import deleted_objects_cleaner
from swh.objstorage.backends.winery.roshard import (
DEFAULT_IMAGE_FEATURES_UNSUPPORTED,
Pool,
)
from swh.objstorage.backends.winery.sharedbase import SharedBase
config = ctx.obj["config"]["objstorage"]
base_dsn = config["base_dsn"]
shard_max_size = config["shard_max_size"]
rbd_pool_name = config.get("rbd_pool_name", "shards")
rbd_data_pool_name = config.get("rbd_data_pool_name")
rbd_use_sudo = config.get("rbd_use_sudo", True)
rbd_image_features_unsupported = tuple(
config.get("rbd_image_features_unsupported", DEFAULT_IMAGE_FEATURES_UNSUPPORTED)
)
stop_on_next_iteration = False
def stop_running() -> bool:
"""Stop running when a signal is received, or when there's nothing to do."""
return stop_on_next_iteration
def set_signal_received(signum: int, _stack_frame: Optional[FrameType]) -> None:
nonlocal stop_on_next_iteration
logger.warning("Received signal %s, exiting", signal.strsignal(signum))
stop_on_next_iteration = True
signal.signal(signal.SIGINT, set_signal_received)
signal.signal(signal.SIGTERM, set_signal_received)
base = SharedBase(base_dsn=base_dsn)
pool = Pool(
shard_max_size=shard_max_size,
rbd_pool_name=rbd_pool_name,
rbd_data_pool_name=rbd_data_pool_name,
rbd_use_sudo=rbd_use_sudo,
rbd_image_features_unsupported=rbd_image_features_unsupported,
)
deleted_objects_cleaner(base, pool, stop_running)
@objstorage_cli_group.command("import")
@click.argument("directory", required=True, nargs=-1)
@click.pass_context
def import_directories(ctx, directory):
"""Import a local directory in an existing objstorage."""
from swh.objstorage.factory import get_objstorage
from swh.objstorage.objstorage import compute_hash
objstorage = get_objstorage(**ctx.obj["config"]["objstorage"])
nobj = 0
volume = 0
t0 = time.time()
for dirname in directory:
for root, _dirs, files in os.walk(dirname):
for name in files:
path = os.path.join(root, name)
with open(path, "rb") as f:
content = f.read()
objstorage.add(content, obj_id=compute_hash(content))
volume += os.stat(path).st_size
nobj += 1
click.echo(
"Imported %d files for a volume of %s bytes in %d seconds"
% (nobj, volume, time.time() - t0)
)
@objstorage_cli_group.command("fsck")
@click.pass_context
def fsck(ctx):
"""Check the objstorage is not corrupted."""
from swh.objstorage.factory import get_objstorage
objstorage = get_objstorage(**ctx.obj["config"]["objstorage"])
for obj_id in objstorage:
try:
objstorage.check(obj_id)
except objstorage.Error as err:
logging.error(err)
[docs]
def main():
return cli(auto_envvar_prefix="SWH_OBJSTORAGE")
if __name__ == "__main__":
main()
