tests-extra: remove ixfr/stress (deprecated by journal unittest)

tests-extra/tests/ixfr/stress/test.py

-#!/usr/bin/env python3
-
-'''Stress test for multiple incoming DDNS and outgoing IXFRs'''
-
-import random, socket, os
-
-from dnstest.utils import *
-from dnstest.test import Test
-
-UPDATE_COUNT = 40
-UPDATE_SIZE = 450
-
-chars="qwertyuiopasdfghjklzxcvbnm123456789"
-
-def randstr():
-    return ''.join(random.choice(chars) for _ in range(63))
-
-def flood(server, zone):
-    rr = None
-    updates = []
-    for i in range(UPDATE_COUNT):
-        update = server.update(zone)
-        for j in range(UPDATE_SIZE):
-            rr = [randstr() + "." + zone[0].name, 3600, "TXT", randstr()]
-            update.add(*rr)
-        update.send()
-    return rr
-
-random.seed()
-
-t = Test()
-
-zone = t.zone_rnd(1, dnssec=False, records=4)
-master = t.server("knot")
-
-# set journal limit for the master
-master.ixfr_fslimit = "800k"
-
-slaves = [t.server("knot") for _ in range(2)]
-# set journal limit for one of the slaves
-slaves[0].ixfr_fslimit = "500k"
-
-for s in slaves:
-    t.link(zone, master, s, ddns=True, ixfr=True)
-
-t.start()
-
-for s in slaves + [master]:
-    s.zone_wait(zone)
-
-# flood server with updates
-last_rr = flood(master, zone)
-
-# wait for update and ixfr processing
-t.sleep(10)
-
-# restart servers and dig for last change
-for s in slaves + [master]:
-    s.stop()
-    s.start()
-    s.zone_wait(zone)
-    resp = s.dig(last_rr[0], "TXT")
-    resp.check(rdata = last_rr[3])
-
-# check journal sizes
-st = os.stat(master.dir + "/" + zone[0].name.lower() + "diff.db")
-if st.st_size > 1050 * 1024:
-    detail_log("Journal too big, should be max 800k, is: " + str(st.st_size // 1024) + "k")
-    set_err("JOURNAL SIZE OVERFLOW")
-
-st = os.stat(slaves[0].dir + "/" + zone[0].name.lower() + "diff.db")
-if st.st_size > 650 * 1024:
-    detail_log("Journal too big, should be max 500k, is: " + str(st.st_size // 1024) + "k")
-    set_err("JOURNAL SIZE OVERFLOW")
-
-t.stop()
-