def do():
logging.info("Going to drop packets from %s for %d seconds..." %
(repr(daemons), seconds))
# Figure out what ports the daemons are listening on
all_ports = []
for daemon in daemons:
pid = procutils.find_jvm(daemon)
if not pid:
logging.warn("Daemon %s not running!" % daemon)
continue
ports = procutils.get_listening_ports(pid)
logging.info("%s is listening on ports: %s" %
(daemon, repr(ports)))
all_ports.extend(ports)
if not all_ports:
logging.warn("No ports found for daemons: %s. Skipping fault." %
repr(daemons))
return
# Set up a chain to drop the packets
chain = iptables.create_gremlin_chain(all_ports)
logging.info("Created iptables chain: %s" % chain)
iptables.add_user_chain_to_input_chain(chain)
logging.info("Gremlin chain %s installed, sleeping %d seconds" %
(chain, seconds))
time.sleep(seconds)
logging.info("Removing gremlin chain %s" % chain)
iptables.remove_user_chain_from_input_chain(chain)
iptables.delete_user_chain(chain)
logging.info("Removed gremlin chain %s" % chain)
def do():
logging.info("Going to drop packets from %s for %d seconds..." %
(repr(daemons), seconds))
# Figure out what ports the daemons are listening on
all_ports = []
for daemon in daemons:
pid = procutils.find_jvm(daemon)
if not pid:
logging.warn("Daemon %s not running!" % daemon)
continue
ports = procutils.get_listening_ports(pid)
logging.info("%s is listening on ports: %s" % (daemon, repr(ports)))
all_ports.extend(ports)
if not all_ports:
logging.warn("No ports found for daemons: %s. Skipping fault." % repr(daemons))
return
# Set up a chain to drop the packets
chain = iptables.create_gremlin_chain(all_ports)
logging.info("Created iptables chain: %s" % chain)
iptables.add_user_chain_to_input_chain(chain)
logging.info("Gremlin chain %s installed, sleeping %d seconds" % (chain, seconds))
time.sleep(seconds)
logging.info("Removing gremlin chain %s" % chain)
iptables.remove_user_chain_from_input_chain(chain)
iptables.delete_user_chain(chain)
logging.info("Removed gremlin chain %s" % chain)
def do():
# Stop all daemons, record their pids
for jvm_name in jvm_names:
pid = procutils.find_jvm(jvm_name)
if not pid:
logging.warn("No pid found for %s" % jvm_name)
continue
logging.warn("Suspending %s pid %d for %d seconds" % (jvm_name, pid, seconds))
os.kill(pid, signal.SIGSTOP)
# Pause for prescribed amount of time
time.sleep(seconds)
# Resume them
for jvm_name in jvm_names:
pid = procutils.find_jvm(jvm_name)
if pid:
logging.warn("Resuming %s pid %d" % (jvm_name, pid))
os.kill(pid, signal.SIGCONT)
def do():
# Stop all daemons, record their pids
for jvm_name in jvm_names:
pid = procutils.find_jvm(jvm_name)
if not pid:
logging.warn("No pid found for %s" % jvm_name)
continue
logging.warn("Suspending %s pid %d for %d seconds" %
(jvm_name, pid, seconds))
os.kill(pid, signal.SIGSTOP)
# Pause for prescribed amount of time
time.sleep(seconds)
# Resume them
for jvm_name in jvm_names:
pid = procutils.find_jvm(jvm_name)
if pid:
logging.warn("Resuming %s pid %d" % (jvm_name, pid))
os.kill(pid, signal.SIGCONT)
def do():
# First kill
for daemon in daemons:
pid = procutils.find_jvm(daemon)
if pid:
logging.info("Killing %s pid %d with signal %d" % (daemon, pid, signal))
os.kill(pid, signal)
else:
logging.info("There was no %s running!" % daemon)
logging.info("Sleeping for %d seconds" % restart_after)
time.sleep(restart_after)
for daemon in daemons:
logging.info("Restarting %s" % daemon);
procutils.start_daemon(daemon)
def do():
# First kill
for daemon in daemons:
pid = procutils.find_jvm(daemon)
if pid:
logging.info("Killing %s pid %d with signal %d" %
(daemon, pid, signal))
os.kill(pid, signal)
else:
logging.info("There was no %s running!" % daemon)
logging.info("Sleeping for %d seconds" % restart_after)
time.sleep(restart_after)
for daemon in daemons:
logging.info("Restarting %s" % daemon)
procutils.start_daemon(daemon)
