def do_showplot(environ,start_response):
import config
d = cgi.parse_qs(environ['QUERY_STRING'])
if 'id' in d:
from mod_flow import filedb
import postgresops
try :
filedb.connect();
postgresops.check_evil(d['id'][0])
files = filedb.get_files(where = 'id = %s'%d['id'][0])
if ( len(files) != 1):
raise Exception("Error 0 or >1 files matched!")
else:
f = tempfile.NamedTemporaryFile(delete = False)
fname = f.name
f.close();
cmdline = str(config.map['web']['plotcsvcmd'] + "-csvin %s -pngout %s -title \"Source:%s ID:%s Filters:%s\"" %(files[0].file_name,fname,files[0].source_name,files[0].source_id,files[0].steps))
cmds = shlex.split(cmdline)
subprocess.call(cmds)
if os.path.getsize(fname) == 0:
raise Exception("Plot file not created. Error plotting?")
start_response('200 OK',[('Content-Type','image/png')])
return TempFileWrapper(fname);
except Exception,exp:
import traceback
start_response('500 ERROR',[('Content-Type','text/plain')])
return ["Exception "+str(exp)+" occured\n",traceback.format_exc()]
def flush_files():
scheduledb.connect()
filedb.connect()
idstokill = []
postgresops.dbcur.execute("select id from flows.files where status=%s",(filedb.FAIL,))
idstokill.extend([i[0] for i in postgresops.dbcur])
postgresops.dbcur.execute("select id,task_id from flows.files where status=%s",(filedb.INVALID,))
rows = postgresops.dbcur.fetchall()
for id,task_id in rows:
postgresops.dbcur.execute("select status from schedule.tasks where id=%s",(task_id,))
if ( postgresops.dbcur.rowcount <= 0 or postgresops.dbcur.fetchone()[0] >= scheduledb.ERROR_CRASH ):
idstokill.append(id)
if len(idstokill)==0: return
if not autoconfirm:
print "The following files will be removed from the cache: ",idstokill
conf = raw_input("Confirm [y|n]? ")
if ( conf != 'y' and conf != 'yes'):
print "Cancelled by user"
sys.exit(10)
for id in idstokill:
str = postgresops.dbcur.mogrify("DELETE FROM flows.files WHERE id=%s",(id,))
print str
postgresops.dbcur.execute(str)
postgresops.dbcon.commit()
print "";
def flush_flows():
scheduledb.connect()
filedb.connect()
flowdb.connect()
postgresops.dbcur.execute("select flowdef,time_from,time_to,source_name,source_id from flows.curflows where status=%s",(flowdb.ERROR,))
idstokill = []
idstokill.extend(postgresops.dbcur.fetchall())
postgresops.dbcur.execute("select flowdef,time_from,time_to,source_name,source_id,task_ids,file_ids from flows.curflows where status!=%s",(flowdb.DONE,))
rows = postgresops.dbcur.fetchall()
for flowdef,time_from,time_to,source_name,source_id,task_ids,file_ids in rows:
found_death= False
for task_id in task_ids:
postgresops.dbcur.execute("select status from schedule.tasks where id=%s",(task_id,))
if ( postgresops.dbcur.rowcount <= 0 or postgresops.dbcur.fetchone()[0] >= scheduledb.ERROR_CRASH ):
idstokill.append((flowdef,time_from,time_to,source_name,source_id))
found_death = True
break
if found_death:
continue
for file_id in file_ids:
postgresops.dbcur.execute("select status from flows.files where id=%s",(file_id,))
if ( postgresops.dbcur.rowcount <= 0 or postgresops.dbcur.fetchone()[0] == filedb.FAIL ):
idstokill.append((flowdef,time_from,time_to,source_name,source_id))
found_death = True
break
if len(idstokill)==0: return
if not autoconfirm:
print "The following flows will be removed from the database:\n"+"\n\t".join([i.__str__() for i in idstokill])
conf = raw_input("Confirm [y|n]? ")
if ( conf != 'y' and conf != 'yes'):
print "Cancelled by user"
sys.exit(10)
for flowdef,time_from,time_to,source_name,source_id in idstokill:
str = postgresops.dbcur.mogrify("DELETE FROM flows.curflows WHERE flowdef=%s and time_from=%s and time_to=%s and source_name=%s and source_id=%s",
(flowdef,time_from,time_to,source_name,source_id))
print str
postgresops.dbcur.execute(str)
postgresops.dbcon.commit()
print "";
