Added basic 'migrate()' method + minor changes.

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

transfer_service/tape_client.py

@@ -73,6 +73,16 @@ class TapeClient(object):
             sys.exit("FATAL: invalid file/dir.")
         self.scp.close()
         
+    def migrate(self, fileList):
+        tmp = str(uuid.uuid1().hex) + "-vos_migrate.tmp"
+        fp = open(tmp, "a")
+        for f in fileList:
+            fp.write(f"{f}\n")
+        fp.close()
+        self.copy("./" + tmp, "/tmp/" +  tmp)
+        cmd = "/opt/ibm/ltfsee/bin/eeadm migrate /tmp/" + tmp + " -p pl_generic_rw_01"
+        stdin, stdout, stderr = self.client.exec_command(cmd)
+    
     def recall(self, fileList): 
         tmp = str(uuid.uuid1().hex) + "-vos_recall.tmp"
         fp = open(tmp, "a")
@@ -80,7 +90,7 @@ class TapeClient(object):
             fp.write(f"{f}\n")
         fp.close()
         self.copy("./" + tmp, "/tmp/" +  tmp)
-        cmd = "eeadm recall /tmp/" + tmp
+        cmd = "/opt/ibm/ltfsee/bin/eeadm recall /tmp/" + tmp
         stdin, stdout, stderr = self.client.exec_command(cmd)
     
     def recallChecksumFiles(self, dirName):