mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-26 09:18:24 -05:00
c64b6f62cd
This gets rid of the loop that was polling for things to do every 0.25 seconds and instead, reacts to any data from VMs as soon as it becomes available. This avoids unnecessary operations when no new data is available and avoids unnecessary waits when new data becomes available more quickly. Signed-off-by: Jouni Malinen <j@w1.fi>
608 lines
21 KiB
Python
Executable File
608 lines
21 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Parallel VM test case executor
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# Copyright (c) 2014-2019, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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from __future__ import print_function
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import curses
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import fcntl
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import logging
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import os
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import selectors
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import subprocess
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import sys
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import time
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import errno
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logger = logging.getLogger()
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# Test cases that take significantly longer time to execute than average.
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long_tests = ["ap_roam_open",
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"wpas_mesh_password_mismatch_retry",
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"wpas_mesh_password_mismatch",
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"hostapd_oom_wpa2_psk_connect",
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"ap_hs20_fetch_osu_stop",
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"ap_roam_wpa2_psk",
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"ibss_wpa_none_ccmp",
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"nfc_wps_er_handover_pk_hash_mismatch_sta",
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"go_neg_peers_force_diff_freq",
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"p2p_cli_invite",
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"sta_ap_scan_2b",
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"ap_pmf_sta_unprot_deauth_burst",
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"ap_bss_add_remove_during_ht_scan",
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"wext_scan_hidden",
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"autoscan_exponential",
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"nfc_p2p_client",
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"wnm_bss_keep_alive",
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"ap_inactivity_disconnect",
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"scan_bss_expiration_age",
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"autoscan_periodic",
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"discovery_group_client",
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"concurrent_p2pcli",
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"ap_bss_add_remove",
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"wpas_ap_wps",
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"wext_pmksa_cache",
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"ibss_wpa_none",
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"ap_ht_40mhz_intolerant_ap",
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"ibss_rsn",
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"discovery_pd_retries",
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"ap_wps_setup_locked_timeout",
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"ap_vht160",
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'he160',
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'he160b',
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"dfs_radar",
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"dfs",
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"dfs_ht40_minus",
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"dfs_etsi",
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"ap_acs_dfs",
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"grpform_cred_ready_timeout",
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"hostapd_oom_wpa2_eap_connect",
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"wpas_ap_dfs",
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"autogo_many",
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"hostapd_oom_wpa2_eap",
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"ibss_open",
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"proxyarp_open_ebtables",
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"proxyarp_open_ebtables_ipv6",
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"radius_failover",
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"obss_scan_40_intolerant",
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"dbus_connect_oom",
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"proxyarp_open",
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"proxyarp_open_ipv6",
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"ap_wps_iteration",
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"ap_wps_iteration_error",
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"ap_wps_pbc_timeout",
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"ap_wps_http_timeout",
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"p2p_go_move_reg_change",
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"p2p_go_move_active",
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"p2p_go_move_scm",
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"p2p_go_move_scm_peer_supports",
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"p2p_go_move_scm_peer_does_not_support",
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"p2p_go_move_scm_multi"]
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def get_failed(vm):
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failed = []
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for i in range(num_servers):
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failed += vm[i]['failed']
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return failed
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def vm_read_stdout(vm, test_queue):
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global total_started, total_passed, total_failed, total_skipped
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global rerun_failures
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global first_run_failures
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ready = False
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try:
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out = vm['proc'].stdout.read()
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if out == None:
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return False
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out = out.decode()
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except IOError as e:
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if e.errno == errno.EAGAIN:
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return False
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raise
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logger.debug("VM[%d] stdout.read[%s]" % (vm['idx'], out))
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pending = vm['pending'] + out
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lines = []
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while True:
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pos = pending.find('\n')
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if pos < 0:
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break
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line = pending[0:pos].rstrip()
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pending = pending[(pos + 1):]
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logger.debug("VM[%d] stdout full line[%s]" % (vm['idx'], line))
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if line.startswith("READY"):
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vm['starting'] = False
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vm['started'] = True
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ready = True
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elif line.startswith("PASS"):
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ready = True
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total_passed += 1
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elif line.startswith("FAIL"):
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ready = True
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total_failed += 1
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vals = line.split(' ')
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if len(vals) < 2:
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logger.info("VM[%d] incomplete FAIL line: %s" % (vm['idx'],
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line))
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name = line
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else:
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name = vals[1]
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logger.debug("VM[%d] test case failed: %s" % (vm['idx'], name))
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vm['failed'].append(name)
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if name != vm['current_name']:
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logger.info("VM[%d] test result mismatch: %s (expected %s)" % (vm['idx'], name, vm['current_name']))
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else:
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count = vm['current_count']
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if count == 0:
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first_run_failures.append(name)
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if rerun_failures and count < 1:
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logger.debug("Requeue test case %s" % name)
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test_queue.append((name, vm['current_count'] + 1))
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elif line.startswith("NOT-FOUND"):
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ready = True
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total_failed += 1
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logger.info("VM[%d] test case not found" % vm['idx'])
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elif line.startswith("SKIP"):
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ready = True
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total_skipped += 1
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elif line.startswith("REASON"):
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vm['skip_reason'].append(line[7:])
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elif line.startswith("START"):
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total_started += 1
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if len(vm['failed']) == 0:
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vals = line.split(' ')
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if len(vals) >= 2:
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vm['fail_seq'].append(vals[1])
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vm['out'] += line + '\n'
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lines.append(line)
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vm['pending'] = pending
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return ready
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def start_vm(vm, sel):
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logger.info("VM[%d] starting up" % (vm['idx'] + 1))
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vm['starting'] = True
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vm['proc'] = subprocess.Popen(vm['cmd'],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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vm['cmd'] = None
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for stream in [vm['proc'].stdout, vm['proc'].stderr]:
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fd = stream.fileno()
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fl = fcntl.fcntl(fd, fcntl.F_GETFL)
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fcntl.fcntl(fd, fcntl.F_SETFL, fl | os.O_NONBLOCK)
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sel.register(stream, selectors.EVENT_READ, vm)
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def num_vm_starting():
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count = 0
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for i in range(num_servers):
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if vm[i]['starting']:
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count += 1
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return count
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def vm_read_stderr(vm):
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try:
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err = vm['proc'].stderr.read()
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if err != None:
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err = err.decode()
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if len(err) > 0:
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vm['err'] += err
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logger.info("VM[%d] stderr.read[%s]" % (vm['idx'], err))
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except IOError as e:
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if e.errno != errno.EAGAIN:
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raise
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def vm_next_step(_vm, scr, test_queue):
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scr.move(_vm['idx'] + 1, 10)
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scr.clrtoeol()
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if not test_queue:
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_vm['proc'].stdin.write(b'\n')
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_vm['proc'].stdin.flush()
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scr.addstr("shutting down")
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logger.info("VM[%d] shutting down" % _vm['idx'])
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return
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(name, count) = test_queue.pop(0)
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_vm['current_name'] = name
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_vm['current_count'] = count
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_vm['proc'].stdin.write(name.encode() + b'\n')
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_vm['proc'].stdin.flush()
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scr.addstr(name)
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logger.debug("VM[%d] start test %s" % (_vm['idx'], name))
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def check_vm_start(scr, sel, test_queue):
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running = False
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updated = False
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for i in range(num_servers):
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if not vm[i]['proc']:
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# Either not yet started or already stopped VM
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if test_queue and vm[i]['cmd'] and num_vm_starting() < 2:
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scr.move(i + 1, 10)
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scr.clrtoeol()
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scr.addstr(i + 1, 10, "starting VM")
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updated = True
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start_vm(vm[i], sel)
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else:
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continue
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running = True
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return running, updated
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def vm_terminated(_vm, scr, sel, test_queue):
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updated = False
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for stream in [_vm['proc'].stdout, _vm['proc'].stderr]:
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sel.unregister(stream)
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_vm['proc'] = None
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scr.move(_vm['idx'] + 1, 10)
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scr.clrtoeol()
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log = '{}/{}.srv.{}/console'.format(dir, timestamp, _vm['idx'] + 1)
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with open(log, 'r') as f:
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if "Kernel panic" in f.read():
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scr.addstr("kernel panic")
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logger.info("VM[%d] kernel panic" % _vm['idx'])
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updated = True
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if test_queue:
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num_vm = 0
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for i in range(num_servers):
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if _vm['proc']:
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num_vm += 1
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if len(test_queue) > num_vm:
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scr.addstr("unexpected exit")
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logger.info("VM[%d] unexpected exit" % i)
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updated = True
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return updated
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def update_screen(scr, total_tests):
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scr.move(num_servers + 1, 10)
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scr.clrtoeol()
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scr.addstr("{} %".format(int(100.0 * (total_passed + total_failed + total_skipped) / total_tests)))
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scr.addstr(num_servers + 1, 20,
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"TOTAL={} STARTED={} PASS={} FAIL={} SKIP={}".format(total_tests, total_started, total_passed, total_failed, total_skipped))
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failed = get_failed(vm)
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if len(failed) > 0:
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scr.move(num_servers + 2, 0)
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scr.clrtoeol()
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scr.addstr("Failed test cases: ")
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count = 0
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for f in failed:
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count += 1
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if count > 30:
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scr.addstr('...')
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scr.clrtoeol()
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break
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scr.addstr(f)
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scr.addstr(' ')
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scr.refresh()
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def show_progress(scr):
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global num_servers
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global vm
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global dir
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global timestamp
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global tests
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global first_run_failures
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global total_started, total_passed, total_failed, total_skipped
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global rerun_failures
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sel = selectors.DefaultSelector()
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total_tests = len(tests)
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logger.info("Total tests: %d" % total_tests)
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test_queue = [(t, 0) for t in tests]
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start_vm(vm[0], sel)
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scr.leaveok(1)
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scr.addstr(0, 0, "Parallel test execution status", curses.A_BOLD)
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for i in range(0, num_servers):
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scr.addstr(i + 1, 0, "VM %d:" % (i + 1), curses.A_BOLD)
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status = "starting VM" if vm[i]['proc'] else "not yet started"
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scr.addstr(i + 1, 10, status)
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scr.addstr(num_servers + 1, 0, "Total:", curses.A_BOLD)
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scr.addstr(num_servers + 1, 20, "TOTAL={} STARTED=0 PASS=0 FAIL=0 SKIP=0".format(total_tests))
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scr.refresh()
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while True:
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updated = False
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events = sel.select(timeout=1)
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for key, mask in events:
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_vm = key.data
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if not _vm['proc']:
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continue
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vm_read_stderr(_vm)
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if vm_read_stdout(_vm, test_queue):
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vm_next_step(_vm, scr, test_queue)
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updated = True
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vm_read_stderr(_vm)
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if _vm['proc'].poll() is not None:
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if vm_terminated(_vm, scr, sel, test_queue):
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updated = True
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running, run_update = check_vm_start(scr, sel, test_queue)
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if updated or run_update:
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update_screen(scr, total_tests)
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if not running:
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break
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sel.close()
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for i in range(num_servers):
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if not vm[i]['proc']:
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continue
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vm[i]['proc'] = None
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scr.move(i + 1, 10)
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scr.clrtoeol()
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scr.addstr("still running")
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logger.info("VM[%d] still running" % i)
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scr.refresh()
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time.sleep(0.3)
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def main():
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import argparse
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import os
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global num_servers
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global vm
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global dir
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global timestamp
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global tests
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global first_run_failures
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global total_started, total_passed, total_failed, total_skipped
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global rerun_failures
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total_started = 0
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total_passed = 0
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total_failed = 0
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total_skipped = 0
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debug_level = logging.INFO
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rerun_failures = True
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timestamp = int(time.time())
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scriptsdir = os.path.dirname(os.path.realpath(sys.argv[0]))
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p = argparse.ArgumentParser(description='run multiple testing VMs in parallel')
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p.add_argument('num_servers', metavar='number of VMs', type=int, choices=range(1, 100),
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help="number of VMs to start")
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p.add_argument('-f', dest='testmodules', metavar='<test module>',
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help='execute only tests from these test modules',
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type=str, nargs='+')
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p.add_argument('-1', dest='no_retry', action='store_const', const=True, default=False,
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help="don't retry failed tests automatically")
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p.add_argument('--debug', dest='debug', action='store_const', const=True, default=False,
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help="enable debug logging")
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p.add_argument('--codecov', dest='codecov', action='store_const', const=True, default=False,
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help="enable code coverage collection")
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p.add_argument('--shuffle-tests', dest='shuffle', action='store_const', const=True, default=False,
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help="shuffle test cases to randomize order")
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p.add_argument('--short', dest='short', action='store_const', const=True,
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default=False,
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help="only run short-duration test cases")
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p.add_argument('--long', dest='long', action='store_const', const=True,
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default=False,
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help="include long-duration test cases")
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p.add_argument('--valgrind', dest='valgrind', action='store_const',
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const=True, default=False,
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help="run tests under valgrind")
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p.add_argument('--telnet', dest='telnet', metavar='<baseport>', type=int,
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help="enable telnet server inside VMs, specify the base port here")
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p.add_argument('params', nargs='*')
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args = p.parse_args()
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dir = os.environ.get('HWSIM_TEST_LOG_DIR', '/tmp/hwsim-test-logs')
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try:
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os.makedirs(dir)
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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num_servers = args.num_servers
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rerun_failures = not args.no_retry
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if args.debug:
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debug_level = logging.DEBUG
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extra_args = []
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if args.valgrind:
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extra_args += ['--valgrind']
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if args.long:
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extra_args += ['--long']
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if args.codecov:
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print("Code coverage - build separate binaries")
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logdir = os.path.join(dir, str(timestamp))
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os.makedirs(logdir)
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subprocess.check_call([os.path.join(scriptsdir, 'build-codecov.sh'),
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logdir])
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codecov_args = ['--codecov_dir', logdir]
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codecov = True
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else:
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codecov_args = []
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codecov = False
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first_run_failures = []
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if args.params:
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tests = args.params
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else:
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tests = []
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cmd = [os.path.join(os.path.dirname(scriptsdir), 'run-tests.py'), '-L']
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if args.testmodules:
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cmd += ["-f"]
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cmd += args.testmodules
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lst = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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for l in lst.stdout.readlines():
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name = l.decode().split(' ')[0]
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tests.append(name)
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if len(tests) == 0:
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sys.exit("No test cases selected")
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if args.shuffle:
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from random import shuffle
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shuffle(tests)
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elif num_servers > 2 and len(tests) > 100:
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# Move test cases with long duration to the beginning as an
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# optimization to avoid last part of the test execution running a long
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# duration test case on a single VM while all other VMs have already
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# completed their work.
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for l in long_tests:
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if l in tests:
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tests.remove(l)
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tests.insert(0, l)
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if args.short:
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tests = [t for t in tests if t not in long_tests]
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logger.setLevel(debug_level)
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log_handler = logging.FileHandler('parallel-vm.log')
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log_handler.setLevel(debug_level)
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fmt = "%(asctime)s %(levelname)s %(message)s"
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log_formatter = logging.Formatter(fmt)
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log_handler.setFormatter(log_formatter)
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logger.addHandler(log_handler)
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vm = {}
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for i in range(0, num_servers):
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cmd = [os.path.join(scriptsdir, 'vm-run.sh'),
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'--timestamp', str(timestamp),
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'--ext', 'srv.%d' % (i + 1),
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'-i'] + codecov_args + extra_args
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if args.telnet:
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cmd += ['--telnet', str(args.telnet + i)]
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vm[i] = {}
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vm[i]['idx'] = i
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vm[i]['starting'] = False
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vm[i]['started'] = False
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vm[i]['cmd'] = cmd
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vm[i]['proc'] = None
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vm[i]['out'] = ""
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vm[i]['pending'] = ""
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vm[i]['err'] = ""
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vm[i]['failed'] = []
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vm[i]['fail_seq'] = []
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vm[i]['skip_reason'] = []
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print('')
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|
curses.wrapper(show_progress)
|
|
|
|
with open('{}/{}-parallel.log'.format(dir, timestamp), 'w') as f:
|
|
for i in range(0, num_servers):
|
|
f.write('VM {}\n{}\n{}\n'.format(i + 1, vm[i]['out'], vm[i]['err']))
|
|
first = True
|
|
for i in range(0, num_servers):
|
|
for line in vm[i]['out'].splitlines():
|
|
if line.startswith("FAIL "):
|
|
if first:
|
|
first = False
|
|
print("Logs for failed test cases:")
|
|
f.write("Logs for failed test cases:\n")
|
|
fname = "%s/%d.srv.%d/%s.log" % (dir, timestamp, i + 1,
|
|
line.split(' ')[1])
|
|
print(fname)
|
|
f.write("%s\n" % fname)
|
|
|
|
failed = get_failed(vm)
|
|
|
|
if first_run_failures:
|
|
print("To re-run same failure sequence(s):")
|
|
for i in range(0, num_servers):
|
|
if len(vm[i]['failed']) == 0:
|
|
continue
|
|
print("./vm-run.sh", end=' ')
|
|
if args.long:
|
|
print("--long", end=' ')
|
|
skip = len(vm[i]['fail_seq'])
|
|
skip -= min(skip, 30)
|
|
for t in vm[i]['fail_seq']:
|
|
if skip > 0:
|
|
skip -= 1
|
|
continue
|
|
print(t, end=' ')
|
|
print('')
|
|
print("Failed test cases:")
|
|
for f in first_run_failures:
|
|
print(f, end=' ')
|
|
logger.info("Failed: " + f)
|
|
print('')
|
|
double_failed = []
|
|
for name in failed:
|
|
double_failed.append(name)
|
|
for test in first_run_failures:
|
|
double_failed.remove(test)
|
|
if not rerun_failures:
|
|
pass
|
|
elif failed and not double_failed:
|
|
print("All failed cases passed on retry")
|
|
logger.info("All failed cases passed on retry")
|
|
elif double_failed:
|
|
print("Failed even on retry:")
|
|
for f in double_failed:
|
|
print(f, end=' ')
|
|
logger.info("Failed on retry: " + f)
|
|
print('')
|
|
res = "TOTAL={} PASS={} FAIL={} SKIP={}".format(total_started,
|
|
total_passed,
|
|
total_failed,
|
|
total_skipped)
|
|
print(res)
|
|
logger.info(res)
|
|
print("Logs: " + dir + '/' + str(timestamp))
|
|
logger.info("Logs: " + dir + '/' + str(timestamp))
|
|
|
|
skip_reason = []
|
|
for i in range(num_servers):
|
|
if not vm[i]['started']:
|
|
continue
|
|
skip_reason += vm[i]['skip_reason']
|
|
if len(vm[i]['pending']) > 0:
|
|
logger.info("Unprocessed stdout from VM[%d]: '%s'" %
|
|
(i, vm[i]['pending']))
|
|
log = '{}/{}.srv.{}/console'.format(dir, timestamp, i + 1)
|
|
with open(log, 'r') as f:
|
|
if "Kernel panic" in f.read():
|
|
print("Kernel panic in " + log)
|
|
logger.info("Kernel panic in " + log)
|
|
missing = {}
|
|
missing['OCV not supported'] = 'OCV'
|
|
missing['sigma_dut not available'] = 'sigma_dut'
|
|
missing['Skip test case with long duration due to --long not specified'] = 'long'
|
|
missing['TEST_ALLOC_FAIL not supported' ] = 'TEST_FAIL'
|
|
missing['TEST_ALLOC_FAIL not supported in the build'] = 'TEST_FAIL'
|
|
missing['TEST_FAIL not supported' ] = 'TEST_FAIL'
|
|
missing['veth not supported (kernel CONFIG_VETH)'] = 'KERNEL:CONFIG_VETH'
|
|
missing['WPA-EAP-SUITE-B-192 not supported'] = 'CONFIG_SUITEB192'
|
|
missing['WPA-EAP-SUITE-B not supported'] = 'CONFIG_SUITEB'
|
|
missing['wmediumd not available'] = 'wmediumd'
|
|
missing['DPP not supported'] = 'CONFIG_DPP'
|
|
missing['DPP version 2 not supported'] = 'CONFIG_DPP2'
|
|
missing_items = []
|
|
other_reasons = []
|
|
for reason in sorted(set(skip_reason)):
|
|
if reason in missing:
|
|
missing_items.append(missing[reason])
|
|
elif reason.startswith('OCSP-multi not supported with this TLS library'):
|
|
missing_items.append('OCSP-MULTI')
|
|
else:
|
|
other_reasons.append(reason)
|
|
if missing_items:
|
|
print("Missing items (SKIP):", missing_items)
|
|
if other_reasons:
|
|
print("Other skip reasons:", other_reasons)
|
|
|
|
if codecov:
|
|
print("Code coverage - preparing report")
|
|
for i in range(num_servers):
|
|
subprocess.check_call([os.path.join(scriptsdir,
|
|
'process-codecov.sh'),
|
|
logdir + ".srv.%d" % (i + 1),
|
|
str(i)])
|
|
subprocess.check_call([os.path.join(scriptsdir, 'combine-codecov.sh'),
|
|
logdir])
|
|
print("file://%s/index.html" % logdir)
|
|
logger.info("Code coverage report: file://%s/index.html" % logdir)
|
|
|
|
if double_failed or (failed and not rerun_failures):
|
|
logger.info("Test run complete - failures found")
|
|
sys.exit(2)
|
|
if failed:
|
|
logger.info("Test run complete - failures found on first run; passed on retry")
|
|
sys.exit(1)
|
|
logger.info("Test run complete - no failures")
|
|
sys.exit(0)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|