Changeset 7183b48 for fedd/federation

Timestamp:

Dec 8, 2009 4:50:25 PM (15 years ago)

Author:

Ted Faber <faber@…>

Branches:

axis_example, compt_changes, info-ops, master, version-3.01, version-3.02

Children:

7b26c39

Parents:

c17efe6

Message:

Split out experiment creation into two parts

File:

• fedd/federation/experiment_control.py (modified) (11 diffs)

fedd/federation/experiment_control.py

@@ -219 +219 @@
 
         self.repodir = config.get("experiment_control", "repodir")
+        self.repo_url = config.get("experiment_control", "repo_url", 
+                "https://users.isi.deterlab.net:23235");
 
         self.exp_stem = "fed-stem"
@@ -987 +989 @@
     
 
-    def allocate_resources(self, allocated, master, eid, expid, expcert, 
+    def allocate_resources(self, allocated, master, eid, expid, 
             tbparams, topo, tmpdir, alloc_log=None, log_collector=None, 
             attrs=None):
@@ -1843 +1845 @@
             # XXX
             softmap[pkg] = \
-                    "https://users.isi.deterlab.net:23235/%s/%s" %\
-                    ( path, dest)
+                    "%s/%s/%s" %\
+                    ( self.repo_url, path, dest)
 
             # Allow the individual segments to access the software.
@@ -1884 +1886 @@
             raise service_error(service_error.internal,
                     "Access map and authorizer out of sync in " + \
-                            "create_experiment for fedid %s"  % fid)
+                            "new_experiment for fedid %s"  % fid)
 
         pid = "dummy"
@@ -1937 +1939 @@
         to instantiate them and start it all up.
         """
-        if not self.auth.check_attribute(fid, 'create'):
-            raise service_error(service_error.access, "Create access denied")
+
+        req = req.get('CreateRequestBody', None)
+        if not req:
+            raise service_error(service_error.req,
+                    "Bad request format (no CreateRequestBody)")
+
+        # Get the experiment access
+        exp = req.get('experimentID', None)
+        if exp:
+            if exp.has_key('fedid'):
+                key = exp['fedid']
+                expid = key
+                eid = None
+            elif exp.has_key('localname'):
+                key = exp['localname']
+                eid = key
+                expid = None
+            else:
+                raise service_error(service_error.req, "Unknown lookup type")
+        else:
+            raise service_error(service_error.req, "No request?")
+
+        self.check_experiment_access(fid, key)
 
         try:
@@ -1962 +1985 @@
         gid = "dummy"
 
-        req = req.get('CreateRequestBody', None)
-        if not req:
-            raise service_error(service_error.req,
-                    "Bad request format (no CreateRequestBody)")
         # The tcl parser needs to read a file so put the content into that file
         descr=req.get('experimentdescription', None)
@@ -1984 +2003 @@
             raise service_error(service_error.req, "No experiment description")
 
-        # Generate an ID for the experiment (slice) and a certificate that the
-        # allocator can use to prove they own it.  We'll ship it back through
-        # the encrypted connection.
-        (expid, expcert) = generate_fedid("test", dir=tmpdir, log=self.log)
-
-        eid = self.create_experiment_state(fid, req, expid, expcert)
+        self.state_lock.acquire()
+        if self.state.has_key(key):
+            for e in self.state[key].get('experimentID',[]):
+                if not expid and e.has_key('fedid'):
+                    expid = e['fedid']
+                elif not eid and e.has_key('localname'):
+                    eid = e['localname']
+        self.state_lock.release()
+
+        if not (eid and expid):
+            raise service_error(service_error.internal, 
+                    "Cannot find local experiment info!?")
+
         try: 
             # This catches exceptions to clear the placeholder if necessary
@@ -2161 +2187 @@
         alloc_log.addHandler(h)
         
-        # XXX
-        url_base = 'https://users.isi.deterlab.net:23235'
         attrs = [ 
                 {
                     'attribute': 'ssh_pubkey', 
                     'value': '%s/%s/config/%s' % \
-                            (url_base, expid, gw_pubkey_base)
+                            (self.repo_url, expid, gw_pubkey_base)
                 },
                 {
                     'attribute': 'ssh_secretkey', 
                     'value': '%s/%s/config/%s' % \
-                            (url_base, expid, gw_secretkey_base)
+                            (self.repo_url, expid, gw_secretkey_base)
                 },
                 {
                     'attribute': 'hosts', 
                     'value': '%s/%s/config/hosts' % \
-                            (url_base, expid)
+                            (self.repo_url, expid)
                 },
                 {
@@ -2187 +2211 @@
         # Start a thread to do the resource allocation
         t  = Thread(target=self.allocate_resources,
-                args=(allocated, master, eid, expid, expcert, tbparams, 
+                args=(allocated, master, eid, expid, tbparams, 
                     topo, tmpdir, alloc_log, alloc_collector, attrs),
                 name=eid)
@@ -2197 +2221 @@
                 ],
                 'experimentStatus': 'starting',
-                'experimentAccess': { 'X509' : expcert }
             }
 
@@ -2250 +2273 @@
 
     def get_handler(self, path, fid):
+        self.log.info("Get handler %s %s" % (path, fid))
         if self.auth.check_attribute(fid, path):
             return ("%s/%s" % (self.repodir, path), "application/binary")