crit: Speed up jenkins test ~60 times

Running crit tool 4 times per test (decode, encode, decode --pretty
and encode back again) is way too slow. The majority of time, as
it turned out, goes on python load and arguments parsing. The en-
and de-coding works pretty fast.

So doing re-code logic in one python script for ALL images is way
way faster -- ~1 hour vs ~1 minute on my box.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/crit-recode.py

@@ -0,0 +1,67 @@
+#!/bin/env python
+
+import pycriu
+import sys
+import os
+import subprocess
+
+find = subprocess.Popen(['find', 'test/dump/', '-name', '*.img'],
+		stdout = subprocess.PIPE)
+
+test_pass = True
+
+def recode_and_check(imgf, o_img, pretty):
+	try:
+		pb = pycriu.images.loads(o_img, pretty)
+	except pycriu.images.MagicException as me:
+		print "%s magic %x error" % (imgf, me.magic)
+		return False
+	except:
+		print "%s %sdecode fails" % (imgf, pretty and 'pretty ' or '')
+		return False
+
+	try:
+		r_img = pycriu.images.dumps(pb)
+	except:
+		print "%s %sencode fails" % (imgf, pretty and 'pretty ' or '')
+		return False
+
+	if o_img != r_img:
+		print "%s %srecode mismatch" % (imgf, pretty and 'pretty ' or '')
+		return False
+
+	return True
+
+
+for imgf in find.stdout.readlines():
+	imgf = imgf.strip()
+	imgf_b = os.path.basename(imgf)
+
+	if imgf_b.startswith('pages-'):
+		continue
+	if imgf_b.startswith('iptables-'):
+		continue
+	if imgf_b.startswith('ip6tables-'):
+		continue
+	if imgf_b.startswith('route-'):
+		continue
+	if imgf_b.startswith('route6-'):
+		continue
+	if imgf_b.startswith('ifaddr-'):
+		continue
+	if imgf_b.startswith('tmpfs-'):
+		continue
+
+	o_img = open(imgf).read()
+	if not recode_and_check(imgf, o_img, False):
+		test_pass = False
+	if not recode_and_check(imgf, o_img, True):
+		test_pass = False
+
+find.wait()
+
+if not test_pass:
+	print "FAIL"
+	sys.exit(1)
+
+print "PASS"