Copying same file shouldn't crash (#1269213)

When using the template install command copying the same file to itself
shouldn't crash. Just log the error and continue.

Also copy the s390 configuration files for use with livemedia-creator

Resolves: rhbz#1269213
(cherry picked from commit 701ab02619)

share/live/config_files/s390/generic.ins

@@ -0,0 +1,5 @@
+* minimal lpar ins file
+images/kernel.img 0x00000000
+images/initrd.img @INITRD_LOAD_ADDRESS@
+images/genericdvd.prm 0x00010480
+images/initrd.addrsize 0x00010408

share/live/config_files/s390/generic.prm

@@ -0,0 +1 @@
+ro ramdisk_size=40000 cio_ignore=all,!condev

share/live/config_files/s390/genericdvd.prm

@@ -0,0 +1 @@
+ro ramdisk_size=40000 cio_ignore=all,!condev rd.cmdline=ask

share/live/config_files/s390/redhat.exec

@@ -0,0 +1,9 @@
+/* */
+'CL RDR'
+'PURGE RDR ALL'
+'SPOOL PUNCH * RDR'
+'PUNCH KERNEL IMG A (NOH'
+'PUNCH GENERIC PRM A (NOH'
+'PUNCH INITRD IMG A (NOH'
+'CH RDR ALL KEEP NOHOLD'
+'I 00C'

src/pylorax/ltmpl.py

@@ -26,6 +26,7 @@ logger = logging.getLogger("pylorax.ltmpl")
 import os, re, glob, shlex, fnmatch
 from os.path import basename, isdir
 from subprocess import CalledProcessError
+import shutil
 
 from sysutils import joinpaths, cpfile, mvfile, replace, remove
 from yumhelper import * # Lorax*Callback classes
@@ -231,7 +232,10 @@ class LoraxTemplateRunner(object):
             install /usr/share/myconfig/grub.conf.in /boot/grub.conf
         '''
         for src in rglob(self._in(srcglob), fatal=True):
+            try:
                 cpfile(src, self._out(dest))
+            except shutil.Error as e:
+                logger.error(e)
 
     def installimg(self, srcdir, destfile):
         '''
@@ -362,7 +366,10 @@ class LoraxTemplateRunner(object):
           If DEST doesn't exist, SRC will be copied to a file with
           that name, if the path leading to it exists.
         '''
+        try:
             cpfile(self._out(src), self._out(dest))
+        except shutil.Error as e:
+            logger.error(e)
 
     def move(self, src, dest):
         '''