def process_rules(self):
"""
Process string from firewall-cmd application output on EL7, matches ANY source/dest address rule specifications
Note: the expected input is line separated <port>/<proto> pairs, this will give any explicitly allowed rules
added by IML and other applications to the default zone but will not list named services enabled in firewalld
Empty string is a valid input indicating no explicitly added port/proto rules
:return: None on success/valid input, error string otherwise
"""
result = self.remote_access_func(self.address, self.firewall_list_cmd)
if result.rc != 0:
from iml_common.lib.shell import Shell
raise RuntimeError(
"""process_rules(): remote shell command failed unexpectedly (%s), is firewall-cmd running? (%s) (%s)
systemctl status firewalld:
%s
systemctl status polkit:
%s
journalctl -n 100:
%s"""
% (
result.rc,
result.stdout,
result.stderr,
Shell.run(["systemctl", "status", "firewalld"]).stdout,
Shell.run(["systemctl", "status", "polkit"]).stdout,
Shell.run(["journalctl", "-n", "100"]).stdout,
)
)
if result.stdout.strip() == "":
return None
# handle output separated by either new-line chars, spaces, or both
tokens = [token for token in result.stdout.replace("\n", " ").split() if token]
# as we are reading in a new firewall table content, reset 'rules' member list
self.rules = []
index = 0
while index < len(tokens):
match = re.search("(?P<port>\d+)\/(?P<proto>\w+)", tokens[index])
if match:
# Note: because we are uncertain about the command used to obtain the input string, assume persist=False
self.rules.append(self.firewall_rule(match.group("port"), match.group("proto")))
else:
raise RuntimeError(
'process_rules(): "%s" command output contains unexpected firewall-cmd output'
% self.firewall_list_cmd
)
index += 1
return None
def host_test(address, issue_num):
def print_result(r):
return "rc: %s\n\nstdout:\n%s\n\nstderr:\n%s" % \
(r.rc, r.stdout, r.stderr)
ping_result1 = Shell.run(['ping', '-c', '1', '-W', '1', address])
ping_result2_report = ""
ip_addr_result = Shell.run(['ip', 'addr', 'ls'])
ip_route_ls_result = Shell.run(['ip', 'route', 'ls'])
try:
gw = [
l for l in ip_route_ls_result.stdout.split('\n')
if l.startswith("default ")
][0].split()[2]
ping_gw_result = Shell.run(['ping', '-c', '1', '-W', '1', gw])
ping_gw_report = "\nping gateway (%s): %s" % \
(gw, print_result(ping_gw_result))
except:
ping_gw_report = "\nUnable to ping gatewy. " \
"No gateway could be found in:\n" % \
ip_route_ls_result.stdout
if ping_result1.rc != 0:
time.sleep(30)
ping_result2 = Shell.run(
['ping', '-c', '1', '-W', '1', address])
ping_result2_report = "\n30s later ping: %s" % \
print_result(ping_result2)
msg = "Error connecting to %s: %s.\n" \
"Please add the following to " \
"https://github.com/intel-hpdd/intel-manager-for-lustre/issues/%s\n" \
"Performing some diagnostics...\n" \
"ping: %s\n" \
"ifconfig -a: %s\n" \
"ip route ls: %s" \
"%s" \
"%s" % \
(address, e,
issue_num,
print_result(ping_result1),
print_result(ip_addr_result),
print_result(ip_route_ls_result),
ping_gw_report,
ping_result2_report)
logger.error(msg)
DEVNULL = open(os.devnull, 'wb')
p = subprocess.Popen(['sendmail', '-t'],
stdin=subprocess.PIPE,
stdout=DEVNULL,
stderr=DEVNULL)
p.communicate(input=b'To: [email protected]\n'
'Subject: GH#%s\n\n' % issue_num + msg)
p.wait()
DEVNULL.close()
def host_test(address, issue_num):
def print_result(r):
return "rc: %s\n\nstdout:\n%s\n\nstderr:\n%s" % (r.rc, r.stdout, r.stderr)
ping_result1 = Shell.run(["ping", "-c", "1", "-W", "1", address])
ping_result2_report = ""
ip_addr_result = Shell.run(["ip", "addr", "ls"])
ip_route_ls_result = Shell.run(["ip", "route", "ls"])
try:
gw = [l for l in ip_route_ls_result.stdout.split("\n") if l.startswith("default ")][0].split()[2]
ping_gw_result = Shell.run(["ping", "-c", "1", "-W", "1", gw])
ping_gw_report = "\nping gateway (%s): %s" % (gw, print_result(ping_gw_result))
except:
ping_gw_report = (
"\nUnable to ping gatewy. " "No gateway could be found in:\n" % ip_route_ls_result.stdout
)
if ping_result1.rc != 0:
time.sleep(30)
ping_result2 = Shell.run(["ping", "-c", "1", "-W", "1", address])
ping_result2_report = "\n30s later ping: %s" % print_result(ping_result2)
msg = (
"Error connecting to %s: %s.\n"
"Please add the following to "
"https://github.com/whamcloud/integrated-manager-for-lustre/issues/%s\n"
"Performing some diagnostics...\n"
"ping: %s\n"
"ifconfig -a: %s\n"
"ip route ls: %s"
"%s"
"%s"
% (
address,
e,
issue_num,
print_result(ping_result1),
print_result(ip_addr_result),
print_result(ip_route_ls_result),
ping_gw_report,
ping_result2_report,
)
)
logger.error(msg)
DEVNULL = open(os.devnull, "wb")
p = subprocess.Popen(["sendmail", "-t"], stdin=subprocess.PIPE, stdout=DEVNULL, stderr=DEVNULL)
p.communicate(input=b"To: [email protected]\n" b"Subject: GH#%s\n\n" % issue_num + msg)
p.wait()
DEVNULL.close()