Merge branch 'master' into 13822-nm-delayed-daemon

[arvados.git] / sdk / cwl / arvados_cwl / fsaccess.py

diff --git a/sdk/cwl/arvados_cwl/fsaccess.py b/sdk/cwl/arvados_cwl/fsaccess.py
index 935fe65e1f437a5d350f773b995c7240b0dedcc6..15689a9010934cf2b8847ec08825cf30bd3e13eb 100644 (file)
--- a/sdk/cwl/arvados_cwl/fsaccess.py
+++ b/sdk/cwl/arvados_cwl/fsaccess.py
@@ -22,19 +22,24 @@ import arvados.collection
 import arvados.arvfile
 import arvados.errors
 
+from googleapiclient.errors import HttpError
+
 from schema_salad.ref_resolver import DefaultFetcher
 
 logger = logging.getLogger('arvados.cwl-runner')
 
 class CollectionCache(object):
-    def __init__(self, api_client, keep_client, num_retries):
+    def __init__(self, api_client, keep_client, num_retries,
+                 cap=256*1024*1024,
+                 min_entries=2):
         self.api_client = api_client
         self.keep_client = keep_client
+        self.num_retries = num_retries
         self.collections = OrderedDict()
         self.lock = threading.Lock()
         self.total = 0
-        self.cap = 256*1024*1024
-        self.min_entries = 4
+        self.cap = cap
+        self.min_entries = min_entries
 
     def cap_cache(self):
         if self.total > self.cap:
@@ -52,7 +57,8 @@ class CollectionCache(object):
             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)
+                                                         keep_client=self.keep_client,
+                                                         num_retries=self.num_retries)
                 sz = len(cr.manifest_text()) * 128
                 self.collections[pdh] = (cr, sz)
                 self.total += sz
@@ -108,7 +114,7 @@ class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
         if collection is not None and not rest:
             return [pattern]
         patternsegments = rest.split("/")
-        return self._match(collection, patternsegments, "keep:" + collection.manifest_locator())
+        return sorted(self._match(collection, patternsegments, "keep:" + collection.manifest_locator()))
 
     def open(self, fn, mode):
         collection, rest = self.get_collection(fn)
@@ -118,7 +124,13 @@ class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
             return super(CollectionFsAccess, self).open(self._abs(fn), mode)
 
     def exists(self, fn):
-        collection, rest = self.get_collection(fn)
+        try:
+            collection, rest = self.get_collection(fn)
+        except HttpError as err:
+            if err.resp.status == 404:
+                return False
+            else:
+                raise
         if collection is not None:
             if rest:
                 return collection.exists(rest)
@@ -177,16 +189,13 @@ class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
             return os.path.realpath(path)
 
 class CollectionFetcher(DefaultFetcher):
-    def __init__(self, cache, session, api_client=None, fs_access=None, num_retries=4, overrides=None):
+    def __init__(self, cache, session, api_client=None, fs_access=None, num_retries=4):
         super(CollectionFetcher, self).__init__(cache, session)
         self.api_client = api_client
         self.fsaccess = fs_access
         self.num_retries = num_retries
-        self.overrides = overrides if overrides else {}
 
     def fetch_text(self, url):
-        if url in self.overrides:
-            return self.overrides[url]
         if url.startswith("keep:"):
             with self.fsaccess.open(url, "r") as f:
                 return f.read()
@@ -197,8 +206,6 @@ class CollectionFetcher(DefaultFetcher):
         return super(CollectionFetcher, self).fetch_text(url)
 
     def check_exists(self, url):
-        if url in self.overrides:
-            return True
         try:
             if url.startswith("http://arvados.org/cwl"):
                 return True