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():
logging.info(
"Going to drop all networking (save ssh with %s) for %d seconds..."
% (bastion_host, seconds))
# TODO check connectivity, or atleast DNS resolution, for bastion_host
chains = iptables.create_gremlin_network_failure(bastion_host)
logging.info("Created iptables chains: %s" % repr(chains))
iptables.add_user_chain_to_input_chain(chains[0])
iptables.add_user_chain_to_output_chain(chains[1])
logging.info("Gremlin chains %s installed, sleeping %d seconds" %
(repr(chains), seconds))
time.sleep(seconds)
if use_flush:
logging.info("Using flush to remove gremlin chains")
iptables.flush()
else:
logging.info("Removing gremlin chains %s" % repr(chains))
iptables.remove_user_chain_from_input_chain(chains[0])
iptables.remove_user_chain_from_output_chain(chains[1])
iptables.delete_user_chain(chains[0])
iptables.delete_user_chain(chains[1])
logging.info("Removed gremlin chains %s" % repr(chains))
if restart_daemons:
logging.info("Restarting daemons: %s", repr(restart_daemons))
for daemon in restart_daemons:
procutils.start_daemon(daemon)
def do():
logging.info("Going to drop all networking (save ssh with %s) for %d seconds..." %
(bastion_host, seconds))
# TODO check connectivity, or atleast DNS resolution, for bastion_host
chains = iptables.create_gremlin_network_failure(bastion_host)
logging.info("Created iptables chains: %s" % repr(chains))
iptables.add_user_chain_to_input_chain(chains[0])
iptables.add_user_chain_to_output_chain(chains[1])
logging.info("Gremlin chains %s installed, sleeping %d seconds" % (repr(chains), seconds))
time.sleep(seconds)
if use_flush:
logging.info("Using flush to remove gremlin chains")
iptables.flush()
else:
logging.info("Removing gremlin chains %s" % repr(chains))
iptables.remove_user_chain_from_input_chain(chains[0])
iptables.remove_user_chain_from_output_chain(chains[1])
iptables.delete_user_chain(chains[0])
iptables.delete_user_chain(chains[1])
logging.info("Removed gremlin chains %s" % repr(chains))
if restart_daemons:
logging.info("Restarting daemons: %s", repr(restart_daemons))
for daemon in restart_daemons:
procutils.start_daemon(daemon)
