add areSlicesEnabled and isSiteEnabled convenience checks
[monitor.git] / monitor / wrapper / plc.py
index b7b55d9..97200d9 100644 (file)
@@ -12,7 +12,7 @@ import xml, xmlrpclib
 import logging
 import time
 import traceback
-from monitor import database
+from datetime import datetime
 
 # note: this needs to be consistent with the value in PLEWWW/planetlab/includes/plc_functions.php
 PENDING_CONSORTIUM_ID = 0
@@ -90,54 +90,7 @@ class PLC:
                return self.api.__repr__()
 
 
-class CachedPLC(PLC):
-
-       def _param_to_str(self, name, *params):
-               fields = len(params)
-               retstr = ""
-               retstr += "%s-" % name
-               for x in params:
-                       retstr += "%s-" % x
-               return retstr[:-1]
-
-       def __getattr__(self, name):
-               method = getattr(self.api, name)
-               if method is None:
-                       raise AssertionError("method does not exist")
-
-               def run_or_returncached(*params):
-                       cachename = self._param_to_str(name, *params)
-                       #print "cachename is %s" % cachename
-                       if hasattr(config, 'refresh'):
-                               refresh = config.refresh
-                       else:
-                               refresh = False
-
-                       if 'Get' in name:
-                               if not database.cachedRecently(cachename):
-                                       load_old_cache = False
-                                       try:
-                                               values = method(self.auth, *params)
-                                       except:
-                                               print "Call %s FAILED: Using old cached data" % cachename
-                                               load_old_cache = True
-
-                                       if load_old_cache:
-                                               values = database.dbLoad(cachename)
-                                       else:
-                                               database.dbDump(cachename, values)
-
-                                       return values
-                               else:
-                                       values = database.dbLoad(cachename)
-                                       return values
-                       else:
-                               return method(self.auth, *params)
-
-               return run_or_returncached
-
 api = PLC(auth.auth, auth.server)
-cacheapi = CachedPLC(auth.auth, auth.server)
 
 
 def getAPI(url):
@@ -173,7 +126,11 @@ def getTechEmails(loginbase):
        # get people at site
        p = api.GetPersons(s['person_ids'])
        # pull out those with the right role.
-       emails = [ person['email'] for person in filter(lambda x: 'tech' in x['roles'], p) ]
+       emails = []
+       for person in filter(lambda x: 'tech' in x['roles'], p):
+               if not isPersonExempt(person['email']):
+                       emails.append(person['email'])
+       #emails = [ person['email'] for person in filter(lambda x: 'tech' in x['roles'], p) ]
        return emails
 
 def getPIEmails(loginbase):
@@ -186,7 +143,11 @@ def getPIEmails(loginbase):
        # get people at site
        p = api.GetPersons(s['person_ids'])
        # pull out those with the right role.
-       emails = [ person['email'] for person in filter(lambda x: 'pi' in x['roles'], p) ]
+       #emails = [ person['email'] for person in filter(lambda x: 'pi' in x['roles'], p) ]
+       emails = []
+       for person in filter(lambda x: 'pi' in x['roles'], p):
+               if not isPersonExempt(person['email']):
+                       emails.append(person['email'])
        return emails
 
 def getSliceUserEmails(loginbase):
@@ -202,7 +163,13 @@ def getSliceUserEmails(loginbase):
        for slice in slices:
                people += api.GetPersons(slice['person_ids'])
        # pull out those with the right role.
-       emails = [ person['email'] for person in filter(lambda x: 'pi' in x['roles'], people) ]
+       #emails = [ person['email'] for person in filter(lambda x: 'pi' in x['roles'], people) ]
+
+       emails = []
+       for person in people:
+               if not isPersonExempt(person['email']):
+                       emails.append(person['email'])
+
        unique_emails = [ x for x in set(emails) ]
        return unique_emails
 
@@ -248,7 +215,11 @@ Returns dict of PCU info of a given node.
 def getpcu(nodename):
        api = xmlrpclib.Server(auth.server, verbose=False, allow_none=True)
        anon = {'AuthMethod': "anonymous"}
-       nodeinfo = api.GetNodes(auth.auth, {"hostname": nodename}, ["pcu_ids", "ports"])[0]
+        try:
+                nodeinfo = api.GetNodes(auth.auth, {"hostname": nodename}, ["pcu_ids", "ports"])[0]
+        except IndexError:
+                logger.info("Can not find node: %s" % nodename)
+                return False
        if nodeinfo['pcu_ids']:
                print nodeinfo
                sitepcu = api.GetPCUs(auth.auth, nodeinfo['pcu_ids'])[0]
@@ -336,7 +307,7 @@ def isPendingSite(loginbase):
         try:
                 site = api.GetSites(auth.auth, loginbase)[0]
         except Exception, exc:
-                login.info("ERROR: No site %s" % loginbase)
+                logger.info("ERROR: No site %s" % loginbase)
                 return False
 
         if not site['enabled'] and site['ext_consortium_id'] == PENDING_CONSORTIUM_ID:
@@ -389,7 +360,8 @@ def suspendSiteSlices(loginbase):
                logger.info("Suspending slice %s" % slice)
                try:
                        if not debug:
-                               api.AddSliceAttribute(auth.auth, slice, "enabled", "0")
+                           if not isSliceExempt(slice):
+                                   api.AddSliceAttribute(auth.auth, slice, "enabled", "0")
                except Exception, exc:
                        logger.info("suspendSlices:  %s" % exc)
 
@@ -464,11 +436,65 @@ def enableSliceCreation(nodename):
         loginbase = siteId(nodename)
         enableSiteSliceCreation(loginbase)
 
+def areSlicesEnabled(site):
+
+       try:
+               slice_list = api.GetSlices(slices(site))
+               if len(slice_list) == 0:
+                       return None
+               for slice in slice_list:
+                       slice_id = slice['slice_id']
+                       l_attr = api.GetSliceAttributes({'slice_id': slice_id})
+                       for attr in l_attr:
+                               if "enabled" == attr['name'] and attr['value'] == "0":
+                                       return False
+
+       except Exception, exc:
+               pass
+
+       return True
+       
+
+def isSiteEnabled(site):
+    try:
+        site = api.GetSites(site)[0]
+        return site['enabled']
+    except:
+        pass
+
+    return True
+    
+
+def isTagCurrent(tags):
+    if len(tags) > 0:
+        for tag in tags:
+            until = tag['value']
+            if datetime.strptime(until, "%Y%m%d") > datetime.now():
+                # NOTE: the 'exempt_until' time is beyond current time
+                return True
+    return False
+
+def isPersonExempt(email):
+    tags = api.GetPersonTags({'email' : email, 'tagname' : 'exempt_person_until'})
+    return isTagCurrent(tags)
+
+def isNodeExempt(hostname):
+    tags = api.GetNodeTags({'hostname' : hostname, 'tagname' : 'exempt_node_until'})
+    return isTagCurrent(tags)
+
+def isSliceExempt(slicename):
+    tags = api.GetSliceTags({'name' : slicename, 'tagname' : 'exempt_slice_until'})
+    return isTagCurrent(tags)
+
+def isSiteExempt(loginbase):
+    tags = api.GetSiteTags({'login_base' : loginbase, 'tagname' : 'exempt_site_until'})
+    return isTagCurrent(tags)
+
 '''
 Removes site's ability to create slices. Returns previous max_slices
 '''
 def removeSiteSliceCreation(loginbase):
-       print "removeSiteSliceCreation(%s)" % loginbase
+       #print "removeSiteSliceCreation(%s)" % loginbase
 
        if isPendingSite(loginbase):
                msg = "INFO: removeSiteSliceCreation: Pending Site (%s)" % loginbase
@@ -480,7 +506,8 @@ def removeSiteSliceCreation(loginbase):
        try:
                logger.info("Removing slice creation for site %s" % loginbase)
                if not debug:
-                       api.UpdateSite(auth.auth, loginbase, {'enabled': False})
+                       if not isSiteExempt(loginbase):
+                           api.UpdateSite(auth.auth, loginbase, {'enabled': False})
        except Exception, exc:
                logger.info("removeSiteSliceCreation:  %s" % exc)