+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import division
+from builtins import range
+
import fcntl
import hashlib
+import httplib2
import os
+import random
import re
import subprocess
import errno
import sys
-from arvados.collection import *
+
+import arvados
+from arvados.collection import CollectionReader
HEX_RE = re.compile(r'^[0-9a-fA-F]+$')
group_uuid_pattern = re.compile(r'[a-z0-9]{5}-j7d0g-[a-z0-9]{15}')
user_uuid_pattern = re.compile(r'[a-z0-9]{5}-tpzed-[a-z0-9]{15}')
link_uuid_pattern = re.compile(r'[a-z0-9]{5}-o0j2j-[a-z0-9]{15}')
+job_uuid_pattern = re.compile(r'[a-z0-9]{5}-8i9sb-[a-z0-9]{15}')
+container_uuid_pattern = re.compile(r'[a-z0-9]{5}-dz642-[a-z0-9]{15}')
manifest_pattern = re.compile(r'((\S+)( +[a-f0-9]{32}(\+\d+)(\+\S+)*)+( +\d+:\d+:\S+)+$)+', flags=re.MULTILINE)
def clear_tmpdir(path=None):
p = subprocess.Popen(execargs, **kwargs)
stdoutdata, stderrdata = p.communicate(None)
if p.returncode != 0:
- raise errors.CommandFailedError(
+ raise arvados.errors.CommandFailedError(
"run_command %s exit %d:\n%s" %
(execargs, p.returncode, stderrdata))
return stdoutdata, stderrdata
elif re.search('\.tar$', f.name()):
p = tar_extractor(path, '')
else:
- raise errors.AssertionError(
+ raise arvados.errors.AssertionError(
"tarball_extract cannot handle filename %s" % f.name())
while True:
buf = f.read(2**20)
p.wait()
if p.returncode != 0:
lockfile.close()
- raise errors.CommandFailedError(
+ raise arvados.errors.CommandFailedError(
"tar exited %d" % p.returncode)
os.symlink(tarball, os.path.join(path, '.locator'))
- tld_extracts = filter(lambda f: f != '.locator', os.listdir(path))
+ tld_extracts = [f for f in os.listdir(path) if f != '.locator']
lockfile.close()
if len(tld_extracts) == 1:
return os.path.join(path, tld_extracts[0])
for f in CollectionReader(zipball).all_files():
if not re.search('\.zip$', f.name()):
- raise errors.NotImplementedError(
+ raise arvados.errors.NotImplementedError(
"zipball_extract cannot handle filename %s" % f.name())
zip_filename = os.path.join(path, os.path.basename(f.name()))
zip_file = open(zip_filename, 'wb')
p.wait()
if p.returncode != 0:
lockfile.close()
- raise errors.CommandFailedError(
+ raise arvados.errors.CommandFailedError(
"unzip exited %d" % p.returncode)
os.unlink(zip_filename)
os.symlink(zipball, os.path.join(path, '.locator'))
- tld_extracts = filter(lambda f: f != '.locator', os.listdir(path))
+ tld_extracts = [f for f in os.listdir(path) if f != '.locator']
lockfile.close()
if len(tld_extracts) == 1:
return os.path.join(path, tld_extracts[0])
outfile.write(buf)
outfile.close()
if len(files_got) < len(files):
- raise errors.AssertionError(
+ raise arvados.errors.AssertionError(
"Wanted files %s but only got %s from %s" %
(files, files_got,
[z.name() for z in CollectionReader(collection).all_files()]))
outfile.write(buf)
outfile.close()
if len(files_got) < len(files):
- raise errors.AssertionError(
+ raise arvados.errors.AssertionError(
"Wanted files %s but only got %s from %s" %
(files, files_got, [z.name() for z in stream.all_files()]))
lockfile.close()
"""
num_length_args = len(length_args)
if num_length_args > 2:
- raise ArgumentError("is_hex accepts up to 3 arguments ({} given)".
- format(1 + num_length_args))
+ raise arvados.errors.ArgumentError(
+ "is_hex accepts up to 3 arguments ({} given)".format(1 + num_length_args))
elif num_length_args == 2:
good_len = (length_args[0] <= len(s) <= length_args[1])
elif num_length_args == 1:
return bool(good_len and HEX_RE.match(s))
def list_all(fn, num_retries=0, **kwargs):
+ # Default limit to (effectively) api server's MAX_LIMIT
+ kwargs.setdefault('limit', sys.maxsize)
items = []
offset = 0
- items_available = sys.maxint
+ items_available = sys.maxsize
while len(items) < items_available:
c = fn(offset=offset, **kwargs).execute(num_retries=num_retries)
items += c['items']
items_available = c['items_available']
offset = c['offset'] + len(c['items'])
return items
+
+def ca_certs_path(fallback=httplib2.CA_CERTS):
+ """Return the path of the best available CA certs source.
+
+ This function searches for various distribution sources of CA
+ certificates, and returns the first it finds. If it doesn't find any,
+ it returns the value of `fallback` (httplib2's CA certs by default).
+ """
+ for ca_certs_path in [
+ # Arvados specific:
+ '/etc/arvados/ca-certificates.crt',
+ # Debian:
+ '/etc/ssl/certs/ca-certificates.crt',
+ # Red Hat:
+ '/etc/pki/tls/certs/ca-bundle.crt',
+ ]:
+ if os.path.exists(ca_certs_path):
+ return ca_certs_path
+ return fallback
+
+def new_request_id():
+ rid = "req-"
+ # 2**104 > 36**20 > 2**103
+ n = random.getrandbits(104)
+ for _ in range(20):
+ c = n % 36
+ if c < 10:
+ rid += chr(c+ord('0'))
+ else:
+ rid += chr(c+ord('a')-10)
+ n = n // 36
+ return rid