Minor changes, some tests.

Signed-off-by: Cristiano Urban <cristiano.urban@inaf.it>

transfer_service/retrieve_executor.py

@@ -7,6 +7,7 @@ from db_connector import DbConnector
 from tape_client import TapeClient
 from task_executor import TaskExecutor
 
+
 class RetrieveExecutor(TaskExecutor): 
 
     def __init__(self):
@@ -29,9 +30,26 @@ class RetrieveExecutor(TaskExecutor):
         self.nodeList = []
         super(RetrieveExecutor, self).__init__()
         
-    def retrieveData(self):
+    def prepareData(self):
+        fileList = []
         self.dbConn.connect()
         self.dbConn.setPhase(self.jobId, "EXECUTING")
+        for vospacePath in self.nodeList:
+            [srcPath, storageType, username, osRelPath] = self.dbConn.getOSPath(vospacePath)
+            if storageType == "cold":
+                if os.path.isdir(srcPath):    
+                    for root, dirs, files in os.walk(srcPath):
+                        for f in files:
+                            fileList.append(os.path.join(root, f))
+                else:
+                    fileList.append(srcPath)
+        self.dbConn.disconnect()
+        if fileList:
+            self.tapeClient.recall(fileList)
+        
+    def retrieveData(self):
+        self.dbConn.connect()
+        #self.dbConn.setPhase(self.jobId, "EXECUTING")
         for vospacePath in self.nodeList:
             [srcPath, storageType, username, osRelPath] = self.dbConn.getOSPath(vospacePath)
             osRelParentPath = os.path.dirname(osRelPath)
@@ -90,6 +108,7 @@ class RetrieveExecutor(TaskExecutor):
                 self.jobObj = self.srcQueue.getJob()
                 self.jobId = self.jobObj.jobId                
                 self.nodeList = self.jobObj.jobInfo["nodeList"]
+                self.prepareData()
                 result = self.retrieveData()
                 if result:
                     self.updateJobStatus()

transfer_service/tape_client.py

@@ -3,6 +3,7 @@ import os
 import paramiko
 import scp
 import sys
+import uuid
 
 from tape_task import TapeTask
 
@@ -69,6 +70,16 @@ class TapeClient(object):
             sys.exit("FATAL: invalid file/dir.")
         self.scp.close()    
     
+    def recall(self, fileList):
+         #TODO
+         cmd = "eeadm recall"
+         tmp = str(uuid.uuid1().hex) + ".tmp"
+         stdin, stdout, stderr = self.client.exec_command(cmd)
+    
+    def recallChecksumFiles(self, dirName):
+        cmd = "find $(dirname " + dirName + ") -type f \( -iname \"*-md5sum.txt\" \) | eeadm recall"
+        stdin, stdout, stderr = self.client.exec_command(cmd)        
+    
     # Closes the connection
     def disconnect(self):
         self.client.close()