#
# SPDX-License-Identifier: Apache-2.0
+from future import standard_library
+standard_library.install_aliases()
+from builtins import object
+from builtins import str
+from future.utils import viewvalues
+
import fnmatch
import os
import errno
-import urlparse
+import urllib.parse
import re
import logging
import threading
logger = logging.getLogger('arvados.cwl-runner')
+pdh_size = re.compile(r'([0-9a-f]{32})\+(\d+)(\+\S+)*')
+
class CollectionCache(object):
def __init__(self, api_client, keep_client, num_retries,
cap=256*1024*1024,
self.cap = cap
self.min_entries = min_entries
- def cap_cache(self):
- if self.total > self.cap:
- # ordered list iterates from oldest to newest
- for pdh, v in self.collections.items():
- if self.total < self.cap or len(self.collections) < self.min_entries:
- break
- # cut it loose
- logger.debug("Evicting collection reader %s from cache", pdh)
- del self.collections[pdh]
- self.total -= v[1]
-
- def get(self, pdh):
+ def set_cap(self, cap):
+ self.cap = cap
+
+ def cap_cache(self, required):
+ # ordered dict iterates from oldest to newest
+ for pdh, v in list(self.collections.items()):
+ available = self.cap - self.total
+ if available >= required or len(self.collections) < self.min_entries:
+ return
+ # cut it loose
+ logger.debug("Evicting collection reader %s from cache (cap %s total %s required %s)", pdh, self.cap, self.total, required)
+ del self.collections[pdh]
+ self.total -= v[1]
+
+ def get(self, locator):
with self.lock:
- if pdh not in self.collections:
- logger.debug("Creating collection reader for %s", pdh)
- cr = arvados.collection.CollectionReader(pdh, api_client=self.api_client,
- keep_client=self.keep_client,
- num_retries=self.num_retries)
+ if locator not in self.collections:
+ m = pdh_size.match(locator)
+ if m:
+ self.cap_cache(int(m.group(2)) * 128)
+ logger.debug("Creating collection reader for %s", locator)
+ try:
+ cr = arvados.collection.CollectionReader(locator, api_client=self.api_client,
+ keep_client=self.keep_client,
+ num_retries=self.num_retries)
+ except arvados.errors.ApiError as ap:
+ raise IOError(errno.ENOENT, "Could not access collection '%s': %s" % (locator, str(ap._get_reason())))
sz = len(cr.manifest_text()) * 128
- self.collections[pdh] = (cr, sz)
+ self.collections[locator] = (cr, sz)
self.total += sz
- self.cap_cache()
else:
- cr, sz = self.collections[pdh]
+ cr, sz = self.collections[locator]
# bump it to the back
- del self.collections[pdh]
- self.collections[pdh] = (cr, sz)
+ del self.collections[locator]
+ self.collections[locator] = (cr, sz)
return cr
def get_collection(self, path):
sp = path.split("/", 1)
p = sp[0]
- if p.startswith("keep:") and arvados.util.keep_locator_pattern.match(p[5:]):
- pdh = p[5:]
- return (self.collection_cache.get(pdh), urlparse.unquote(sp[1]) if len(sp) == 2 else None)
+ if p.startswith("keep:") and (arvados.util.keep_locator_pattern.match(p[5:]) or
+ arvados.util.collection_uuid_pattern.match(p[5:])):
+ locator = p[5:]
+ rest = os.path.normpath(urllib.parse.unquote(sp[1])) if len(sp) == 2 else None
+ return (self.collection_cache.get(locator), rest)
else:
return (None, path)
def glob(self, pattern):
collection, rest = self.get_collection(pattern)
- if collection is not None and not rest:
+ if collection is not None and rest in (None, "", "."):
return [pattern]
patternsegments = rest.split("/")
return sorted(self._match(collection, patternsegments, "keep:" + collection.manifest_locator()))
- def open(self, fn, mode):
+ def open(self, fn, mode, encoding=None):
collection, rest = self.get_collection(fn)
if collection is not None:
- return collection.open(rest, mode)
+ return collection.open(rest, mode, encoding=encoding)
else:
return super(CollectionFsAccess, self).open(self._abs(fn), mode)
return False
else:
raise
+ except IOError as err:
+ if err.errno == errno.ENOENT:
+ return False
+ else:
+ raise
if collection is not None:
if rest:
return collection.exists(rest)
raise IOError(errno.ENOENT, "Directory '%s' in '%s' not found" % (rest, collection.portable_data_hash()))
if not isinstance(dir, arvados.collection.RichCollectionBase):
raise IOError(errno.ENOENT, "Path '%s' in '%s' is not a Directory" % (rest, collection.portable_data_hash()))
- return [abspath(l, fn) for l in dir.keys()]
+ return [abspath(l, fn) for l in list(dir.keys())]
else:
return super(CollectionFsAccess, self).listdir(fn)
self.fsaccess = fs_access
self.num_retries = num_retries
- def fetch_text(self, url):
+ def fetch_text(self, url, content_types=None):
if url.startswith("keep:"):
- with self.fsaccess.open(url, "r") as f:
+ with self.fsaccess.open(url, "r", encoding="utf-8") as f:
return f.read()
if url.startswith("arvwf:"):
record = self.api_client.workflows().get(uuid=url[6:]).execute(num_retries=self.num_retries)
- definition = record["definition"] + ('\nlabel: "%s"\n' % record["name"].replace('"', '\\"'))
- return definition
+ definition = yaml.round_trip_load(record["definition"])
+ definition["label"] = record["name"]
+ return yaml.round_trip_dump(definition)
return super(CollectionFetcher, self).fetch_text(url)
def check_exists(self, url):
try:
if url.startswith("http://arvados.org/cwl"):
return True
- if url.startswith("keep:"):
- return self.fsaccess.exists(url)
- if url.startswith("arvwf:"):
- if self.fetch_text(url):
+ urld, _ = urllib.parse.urldefrag(url)
+ if urld.startswith("keep:"):
+ return self.fsaccess.exists(urld)
+ if urld.startswith("arvwf:"):
+ if self.fetch_text(urld):
return True
except arvados.errors.NotFoundError:
return False
- except:
- logger.exception("Got unexpected exception checking if file exists:")
+ except Exception:
+ logger.exception("Got unexpected exception checking if file exists")
return False
return super(CollectionFetcher, self).check_exists(url)
if not url:
return base_url
- urlsp = urlparse.urlsplit(url)
+ urlsp = urllib.parse.urlsplit(url)
if urlsp.scheme or not base_url:
return url
- basesp = urlparse.urlsplit(base_url)
+ basesp = urllib.parse.urlsplit(base_url)
if basesp.scheme in ("keep", "arvwf"):
if not basesp.path:
raise IOError(errno.EINVAL, "Invalid Keep locator", base_url)
baseparts = basesp.path.split("/")
urlparts = urlsp.path.split("/") if urlsp.path else []
- pdh = baseparts.pop(0)
+ locator = baseparts.pop(0)
- if basesp.scheme == "keep" and not arvados.util.keep_locator_pattern.match(pdh):
+ if (basesp.scheme == "keep" and
+ (not arvados.util.keep_locator_pattern.match(locator)) and
+ (not arvados.util.collection_uuid_pattern.match(locator))):
raise IOError(errno.EINVAL, "Invalid Keep locator", base_url)
if urlsp.path.startswith("/"):
if baseparts and urlsp.path:
baseparts.pop()
- path = "/".join([pdh] + baseparts + urlparts)
- return urlparse.urlunsplit((basesp.scheme, "", path, "", urlsp.fragment))
+ path = "/".join([locator] + baseparts + urlparts)
+ return urllib.parse.urlunsplit((basesp.scheme, "", path, "", urlsp.fragment))
return super(CollectionFetcher, self).urljoin(base_url, url)
+ schemes = [u"file", u"http", u"https", u"mailto", u"keep", u"arvwf"]
+
+ def supported_schemes(self): # type: () -> List[Text]
+ return self.schemes
+
+
workflow_uuid_pattern = re.compile(r'[a-z0-9]{5}-7fd4e-[a-z0-9]{15}')
pipeline_template_uuid_pattern = re.compile(r'[a-z0-9]{5}-p5p6p-[a-z0-9]{15}')
def collectionResolver(api_client, document_loader, uri, num_retries=4):
if uri.startswith("keep:") or uri.startswith("arvwf:"):
- return uri
+ return str(uri)
if workflow_uuid_pattern.match(uri):
- return "arvwf:%s#main" % (uri)
+ return u"arvwf:%s#main" % (uri)
if pipeline_template_uuid_pattern.match(uri):
pt = api_client.pipeline_templates().get(uuid=uri).execute(num_retries=num_retries)
- return "keep:" + pt["components"].values()[0]["script_parameters"]["cwl:tool"]
+ return u"keep:" + viewvalues(pt["components"])[0]["script_parameters"]["cwl:tool"]
p = uri.split("/")
if arvados.util.keep_locator_pattern.match(p[0]):
- return "keep:%s" % (uri)
+ return u"keep:%s" % (uri)
if arvados.util.collection_uuid_pattern.match(p[0]):
- return "keep:%s%s" % (api_client.collections().
+ return u"keep:%s%s" % (api_client.collections().
get(uuid=p[0]).execute()["portable_data_hash"],
uri[len(p[0]):])
projects / arvados.git / blobdiff