Module arvados.commands.run
Expand source code
# Copyright (C) The Arvados Authors. All rights reserved.
# Copyright (C) 2018 Genome Research Ltd.
#
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
from __future__ import absolute_import
from builtins import range
from past.builtins import basestring
from builtins import object
import arvados
import arvados.commands.ws as ws
import argparse
import json
import re
import os
import stat
from . import put
import time
import subprocess
import logging
import sys
import errno
import arvados.commands._util as arv_cmd
import arvados.collection
import arvados.config as config
from arvados._version import __version__
logger = logging.getLogger('arvados.arv-run')
logger.setLevel(logging.INFO)
class ArvFile(object):
def __init__(self, prefix, fn):
self.prefix = prefix
self.fn = fn
def __hash__(self):
return (self.prefix+self.fn).__hash__()
def __eq__(self, other):
return (self.prefix == other.prefix) and (self.fn == other.fn)
class UploadFile(ArvFile):
pass
# Determine if a file is in a collection, and return a tuple consisting of the
# portable data hash and the path relative to the root of the collection.
# Return None if the path isn't with an arv-mount collection or there was is error.
def is_in_collection(root, branch):
try:
if root == "/":
return (None, None)
fn = os.path.join(root, ".arvados#collection")
if os.path.exists(fn):
with open(fn, 'r') as f:
c = json.load(f)
return (c["portable_data_hash"], branch)
else:
sp = os.path.split(root)
return is_in_collection(sp[0], os.path.join(sp[1], branch))
except (IOError, OSError):
return (None, None)
# Determine the project to place the output of this command by searching upward
# for arv-mount psuedofile indicating the project. If the cwd isn't within
# an arv-mount project or there is an error, return current_user.
def determine_project(root, current_user):
try:
if root == "/":
return current_user
fn = os.path.join(root, ".arvados#project")
if os.path.exists(fn):
with file(fn, 'r') as f:
c = json.load(f)
if 'writable_by' in c and current_user in c['writable_by']:
return c["uuid"]
else:
return current_user
else:
sp = os.path.split(root)
return determine_project(sp[0], current_user)
except (IOError, OSError):
return current_user
# Determine if string corresponds to a file, and if that file is part of a
# arv-mounted collection or only local to the machine. Returns one of
# ArvFile() (file already exists in a collection), UploadFile() (file needs to
# be uploaded to a collection), or simply returns prefix+fn (which yields the
# original parameter string).
def statfile(prefix, fn, fnPattern="$(file %s/%s)", dirPattern="$(dir %s/%s/)", raiseOSError=False):
absfn = os.path.abspath(fn)
try:
st = os.stat(absfn)
sp = os.path.split(absfn)
(pdh, branch) = is_in_collection(sp[0], sp[1])
if pdh:
if stat.S_ISREG(st.st_mode):
return ArvFile(prefix, fnPattern % (pdh, branch))
elif stat.S_ISDIR(st.st_mode):
return ArvFile(prefix, dirPattern % (pdh, branch))
else:
raise Exception("%s is not a regular file or directory" % absfn)
else:
# trim leading '/' for path prefix test later
return UploadFile(prefix, absfn[1:])
except OSError as e:
if e.errno == errno.ENOENT and not raiseOSError:
pass
else:
raise
return prefix+fn
def write_file(collection, pathprefix, fn, flush=False):
with open(os.path.join(pathprefix, fn), "rb") as src:
dst = collection.open(fn, "wb")
r = src.read(1024*128)
while r:
dst.write(r)
r = src.read(1024*128)
dst.close(flush=flush)
def uploadfiles(files, api, dry_run=False, num_retries=0,
project=None,
fnPattern="$(file %s/%s)",
name=None,
collection=None,
packed=True):
# Find the smallest path prefix that includes all the files that need to be uploaded.
# This starts at the root and iteratively removes common parent directory prefixes
# until all file paths no longer have a common parent.
if files:
n = True
pathprefix = "/"
while n:
pathstep = None
for c in files:
if pathstep is None:
sp = c.fn.split('/')
if len(sp) < 2:
# no parent directories left
n = False
break
# path step takes next directory
pathstep = sp[0] + "/"
else:
# check if pathstep is common prefix for all files
if not c.fn.startswith(pathstep):
n = False
break
if n:
# pathstep is common parent directory for all files, so remove the prefix
# from each path
pathprefix += pathstep
for c in files:
c.fn = c.fn[len(pathstep):]
logger.info("Upload local files: \"%s\"", '" "'.join([c.fn for c in files]))
if dry_run:
logger.info("$(input) is %s", pathprefix.rstrip('/'))
pdh = "$(input)"
else:
files = sorted(files, key=lambda x: x.fn)
if collection is None:
collection = arvados.collection.Collection(api_client=api, num_retries=num_retries)
prev = ""
for f in files:
localpath = os.path.join(pathprefix, f.fn)
if prev and localpath.startswith(prev+"/"):
# If this path is inside an already uploaded subdirectory,
# don't redundantly re-upload it.
# e.g. we uploaded /tmp/foo and the next file is /tmp/foo/bar
# skip it because it starts with "/tmp/foo/"
continue
prev = localpath
if os.path.isfile(localpath):
write_file(collection, pathprefix, f.fn, not packed)
elif os.path.isdir(localpath):
for root, dirs, iterfiles in os.walk(localpath):
root = root[len(pathprefix):]
for src in iterfiles:
write_file(collection, pathprefix, os.path.join(root, src), not packed)
pdh = None
if len(collection) > 0:
# non-empty collection
filters = [["portable_data_hash", "=", collection.portable_data_hash()]]
name_pdh = "%s (%s)" % (name, collection.portable_data_hash())
if name:
filters.append(["name", "=", name_pdh])
if project:
filters.append(["owner_uuid", "=", project])
# do the list / create in a loop with up to 2 tries as we are using `ensure_unique_name=False`
# and there is a potential race with other workflows that may have created the collection
# between when we list it and find it does not exist and when we attempt to create it.
tries = 2
while pdh is None and tries > 0:
exists = api.collections().list(filters=filters, limit=1).execute(num_retries=num_retries)
if exists["items"]:
item = exists["items"][0]
pdh = item["portable_data_hash"]
logger.info("Using collection %s (%s)", pdh, item["uuid"])
else:
try:
collection.save_new(name=name_pdh, owner_uuid=project, ensure_unique_name=False)
pdh = collection.portable_data_hash()
logger.info("Uploaded to %s (%s)", pdh, collection.manifest_locator())
except arvados.errors.ApiError as ae:
tries -= 1
if pdh is None:
# Something weird going on here, probably a collection
# with a conflicting name but wrong PDH. We won't
# able to reuse it but we still need to save our
# collection, so so save it with unique name.
logger.info("Name conflict on '%s', existing collection has an unexpected portable data hash", name_pdh)
collection.save_new(name=name_pdh, owner_uuid=project, ensure_unique_name=True)
pdh = collection.portable_data_hash()
logger.info("Uploaded to %s (%s)", pdh, collection.manifest_locator())
else:
# empty collection
pdh = collection.portable_data_hash()
assert (pdh == config.EMPTY_BLOCK_LOCATOR), "Empty collection portable_data_hash did not have expected locator, was %s" % pdh
logger.debug("Using empty collection %s", pdh)
for c in files:
c.keepref = "%s/%s" % (pdh, c.fn)
c.fn = fnPattern % (pdh, c.fn)
def main(arguments=None):
raise Exception("Legacy arv-run removed.")
if __name__ == '__main__':
main()
Functions
def determine_project(root, current_user)
-
Expand source code
def determine_project(root, current_user): try: if root == "/": return current_user fn = os.path.join(root, ".arvados#project") if os.path.exists(fn): with file(fn, 'r') as f: c = json.load(f) if 'writable_by' in c and current_user in c['writable_by']: return c["uuid"] else: return current_user else: sp = os.path.split(root) return determine_project(sp[0], current_user) except (IOError, OSError): return current_user
def is_in_collection(root, branch)
-
Expand source code
def is_in_collection(root, branch): try: if root == "/": return (None, None) fn = os.path.join(root, ".arvados#collection") if os.path.exists(fn): with open(fn, 'r') as f: c = json.load(f) return (c["portable_data_hash"], branch) else: sp = os.path.split(root) return is_in_collection(sp[0], os.path.join(sp[1], branch)) except (IOError, OSError): return (None, None)
def main(arguments=None)
-
Expand source code
def main(arguments=None): raise Exception("Legacy arv-run removed.")
def statfile(prefix, fn, fnPattern='$(file %s/%s)', dirPattern='$(dir %s/%s/)', raiseOSError=False)
-
Expand source code
def statfile(prefix, fn, fnPattern="$(file %s/%s)", dirPattern="$(dir %s/%s/)", raiseOSError=False): absfn = os.path.abspath(fn) try: st = os.stat(absfn) sp = os.path.split(absfn) (pdh, branch) = is_in_collection(sp[0], sp[1]) if pdh: if stat.S_ISREG(st.st_mode): return ArvFile(prefix, fnPattern % (pdh, branch)) elif stat.S_ISDIR(st.st_mode): return ArvFile(prefix, dirPattern % (pdh, branch)) else: raise Exception("%s is not a regular file or directory" % absfn) else: # trim leading '/' for path prefix test later return UploadFile(prefix, absfn[1:]) except OSError as e: if e.errno == errno.ENOENT and not raiseOSError: pass else: raise return prefix+fn
def uploadfiles(files, api, dry_run=False, num_retries=0, project=None, fnPattern='$(file %s/%s)', name=None, collection=None, packed=True)
-
Expand source code
def uploadfiles(files, api, dry_run=False, num_retries=0, project=None, fnPattern="$(file %s/%s)", name=None, collection=None, packed=True): # Find the smallest path prefix that includes all the files that need to be uploaded. # This starts at the root and iteratively removes common parent directory prefixes # until all file paths no longer have a common parent. if files: n = True pathprefix = "/" while n: pathstep = None for c in files: if pathstep is None: sp = c.fn.split('/') if len(sp) < 2: # no parent directories left n = False break # path step takes next directory pathstep = sp[0] + "/" else: # check if pathstep is common prefix for all files if not c.fn.startswith(pathstep): n = False break if n: # pathstep is common parent directory for all files, so remove the prefix # from each path pathprefix += pathstep for c in files: c.fn = c.fn[len(pathstep):] logger.info("Upload local files: \"%s\"", '" "'.join([c.fn for c in files])) if dry_run: logger.info("$(input) is %s", pathprefix.rstrip('/')) pdh = "$(input)" else: files = sorted(files, key=lambda x: x.fn) if collection is None: collection = arvados.collection.Collection(api_client=api, num_retries=num_retries) prev = "" for f in files: localpath = os.path.join(pathprefix, f.fn) if prev and localpath.startswith(prev+"/"): # If this path is inside an already uploaded subdirectory, # don't redundantly re-upload it. # e.g. we uploaded /tmp/foo and the next file is /tmp/foo/bar # skip it because it starts with "/tmp/foo/" continue prev = localpath if os.path.isfile(localpath): write_file(collection, pathprefix, f.fn, not packed) elif os.path.isdir(localpath): for root, dirs, iterfiles in os.walk(localpath): root = root[len(pathprefix):] for src in iterfiles: write_file(collection, pathprefix, os.path.join(root, src), not packed) pdh = None if len(collection) > 0: # non-empty collection filters = [["portable_data_hash", "=", collection.portable_data_hash()]] name_pdh = "%s (%s)" % (name, collection.portable_data_hash()) if name: filters.append(["name", "=", name_pdh]) if project: filters.append(["owner_uuid", "=", project]) # do the list / create in a loop with up to 2 tries as we are using `ensure_unique_name=False` # and there is a potential race with other workflows that may have created the collection # between when we list it and find it does not exist and when we attempt to create it. tries = 2 while pdh is None and tries > 0: exists = api.collections().list(filters=filters, limit=1).execute(num_retries=num_retries) if exists["items"]: item = exists["items"][0] pdh = item["portable_data_hash"] logger.info("Using collection %s (%s)", pdh, item["uuid"]) else: try: collection.save_new(name=name_pdh, owner_uuid=project, ensure_unique_name=False) pdh = collection.portable_data_hash() logger.info("Uploaded to %s (%s)", pdh, collection.manifest_locator()) except arvados.errors.ApiError as ae: tries -= 1 if pdh is None: # Something weird going on here, probably a collection # with a conflicting name but wrong PDH. We won't # able to reuse it but we still need to save our # collection, so so save it with unique name. logger.info("Name conflict on '%s', existing collection has an unexpected portable data hash", name_pdh) collection.save_new(name=name_pdh, owner_uuid=project, ensure_unique_name=True) pdh = collection.portable_data_hash() logger.info("Uploaded to %s (%s)", pdh, collection.manifest_locator()) else: # empty collection pdh = collection.portable_data_hash() assert (pdh == config.EMPTY_BLOCK_LOCATOR), "Empty collection portable_data_hash did not have expected locator, was %s" % pdh logger.debug("Using empty collection %s", pdh) for c in files: c.keepref = "%s/%s" % (pdh, c.fn) c.fn = fnPattern % (pdh, c.fn)
def write_file(collection, pathprefix, fn, flush=False)
-
Expand source code
def write_file(collection, pathprefix, fn, flush=False): with open(os.path.join(pathprefix, fn), "rb") as src: dst = collection.open(fn, "wb") r = src.read(1024*128) while r: dst.write(r) r = src.read(1024*128) dst.close(flush=flush)
Classes
class ArvFile (prefix, fn)
-
Expand source code
class ArvFile(object): def __init__(self, prefix, fn): self.prefix = prefix self.fn = fn def __hash__(self): return (self.prefix+self.fn).__hash__() def __eq__(self, other): return (self.prefix == other.prefix) and (self.fn == other.fn)
Subclasses
class UploadFile (prefix, fn)
-
Expand source code
class UploadFile(ArvFile): pass
Ancestors