def format_haproxy_backend_row(backend, is_correct_instance):
"""Pretty Prints the status of a given haproxy backend
Takes the fields described in the CSV format of haproxy:
http://www.haproxy.org/download/1.5/doc/configuration.txt
And tries to make a good guess about how to represent them in text
"""
backend_name = backend['svname']
backend_hostname = backend_name.split("_")[-1]
backend_port = backend_name.split("_")[0].split(":")[-1]
pretty_backend_name = "%s:%s" % (backend_hostname, backend_port)
if backend['status'] == "UP":
status = PaastaColors.default(backend['status'])
elif backend['status'] == 'DOWN' or backend['status'] == 'MAINT':
status = PaastaColors.red(backend['status'])
else:
status = PaastaColors.yellow(backend['status'])
lastcheck = "%s/%s in %sms" % (backend['check_status'],
backend['check_code'],
backend['check_duration'])
lastchange = humanize.naturaltime(
datetime.timedelta(seconds=int(backend['lastchg'])))
row = (
' %s' % pretty_backend_name,
lastcheck,
lastchange,
status,
)
if is_correct_instance:
return row
else:
return tuple(
PaastaColors.grey(remove_ansi_escape_sequences(col))
for col in row)
def format_haproxy_backend_row(backend, is_correct_instance):
"""Pretty Prints the status of a given haproxy backend
Takes the fields described in the CSV format of haproxy:
http://www.haproxy.org/download/1.5/doc/configuration.txt
And tries to make a good guess about how to represent them in text
"""
backend_name = backend["svname"]
backend_hostname = backend_name.split("_")[-1]
backend_port = backend_name.split("_")[0].split(":")[-1]
pretty_backend_name = f"{backend_hostname}:{backend_port}"
if backend["status"] == "UP":
status = PaastaColors.default(backend["status"])
elif backend["status"] == "DOWN" or backend["status"] == "MAINT":
status = PaastaColors.red(backend["status"])
else:
status = PaastaColors.yellow(backend["status"])
lastcheck = "{}/{} in {}ms".format(
backend["check_status"], backend["check_code"], backend["check_duration"]
)
lastchange = humanize.naturaltime(
datetime.timedelta(seconds=int(backend["lastchg"]))
)
row = (" %s" % pretty_backend_name, lastcheck, lastchange, status)
if is_correct_instance:
return row
else:
return tuple(
PaastaColors.grey(remove_ansi_escape_sequences(col)) for col in row
)
def test_pretty_print_smartstack_backends_for_locations_verbose():
hosts_grouped_by_location = {"place1": ["host1"], "place2": ["host2"], "place3": ["host3"]}
host_ip_mapping = {"host1": "169.254.123.1", "host2": "169.254.123.2", "host3": "169.254.123.3"}
tasks = [
mock.Mock(host="host1", ports=[1234]),
mock.Mock(host="host2", ports=[1234]),
mock.Mock(host="host3", ports=[1234]),
]
backends = {
"host1": {
"svname": "169.254.123.1:1234_host1",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
"host2": {
"svname": "169.254.123.2:1234_host2",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
"host3": {
"svname": "169.254.123.3:1234_host3",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
}
with contextlib.nested(
mock.patch(
"paasta_tools.marathon_serviceinit.get_backends",
autospec=True,
side_effect=lambda _, synapse_host, synapse_port: [backends[synapse_host]],
),
mock.patch("socket.gethostbyname", side_effect=lambda name: host_ip_mapping[name], autospec=True),
) as (mock_get_backends, mock_gethostbyname):
actual = marathon_serviceinit.pretty_print_smartstack_backends_for_locations(
service_instance="fake_service.fake_instance",
tasks=tasks,
locations=hosts_grouped_by_location,
expected_count=3,
verbose=True,
)
colorstripped_actual = [remove_ansi_escape_sequences(l) for l in actual]
assert colorstripped_actual == [
" Name LastCheck LastChange Status",
" place1 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host1:1234 L7OK/200 in 4ms now UP",
" place2 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host2:1234 L7OK/200 in 4ms now UP",
" place3 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host3:1234 L7OK/200 in 4ms now UP",
]
def format_haproxy_backend_row(backend, is_correct_instance):
"""Pretty Prints the status of a given haproxy backend
Takes the fields described in the CSV format of haproxy:
http://www.haproxy.org/download/1.5/doc/configuration.txt
And tries to make a good guess about how to represent them in text
"""
backend_name = backend['svname']
backend_hostname = backend_name.split("_")[-1]
backend_port = backend_name.split("_")[0].split(":")[-1]
pretty_backend_name = "%s:%s" % (backend_hostname, backend_port)
if backend['status'] == "UP":
status = PaastaColors.default(backend['status'])
elif backend['status'] == 'DOWN' or backend['status'] == 'MAINT':
status = PaastaColors.red(backend['status'])
else:
status = PaastaColors.yellow(backend['status'])
lastcheck = "%s/%s in %sms" % (backend['check_status'], backend['check_code'], backend['check_duration'])
lastchange = humanize.naturaltime(datetime.timedelta(seconds=int(backend['lastchg'])))
row = (
' %s' % pretty_backend_name,
lastcheck,
lastchange,
status,
)
if is_correct_instance:
return row
else:
return tuple(PaastaColors.grey(remove_ansi_escape_sequences(col)) for col in row)
def build_smartstack_backends_table(backends):
rows = [("Name", "LastCheck", "LastChange", "Status")]
for backend in backends:
if backend.status == "UP":
status = PaastaColors.default(backend.status)
elif backend.status == "DOWN":
status = PaastaColors.red(backend.status)
elif backend.status == "MAINT":
status = PaastaColors.grey(backend.status)
else:
status = PaastaColors.yellow(backend.status)
if backend.check_duration is None:
check_duration = ""
else:
check_duration = str(backend.check_duration)
row = (
f"{backend.hostname}:{backend.port}",
f"{backend.check_status}/{backend.check_code} in {check_duration}ms",
humanize.naturaltime(timedelta(seconds=backend.last_change)),
status,
)
if not backend.has_associated_task:
row = tuple(
PaastaColors.grey(remove_ansi_escape_sequences(col)) for col in row
)
rows.append(row)
return format_table(rows)
def check_metastatus_return_code_with_flags(context, flags, expected_return_code, expected_output):
# We don't want to invoke the "paasta metastatus" wrapper because by
# default it will check every cluster. This is also the way sensu invokes
# this check.
cmd = '../paasta_tools/paasta_metastatus.py%s' % flags
print 'Running cmd %s' % (cmd)
exit_code, output = _run(cmd)
# we don't care about the colouring here, so remove any ansi escape sequences
escaped_output = remove_ansi_escape_sequences(output)
print 'Got exitcode %s with output:\n%s' % (exit_code, output)
print '\n'
assert exit_code == int(expected_return_code)
assert expected_output in escaped_output
def check_metastatus_return_code_with_flags(context, flags,
expected_return_code,
expected_output):
# We don't want to invoke the "paasta metastatus" wrapper because by
# default it will check every cluster. This is also the way sensu invokes
# this check.
cmd = "python -m paasta_tools.paasta_metastatus%s" % flags
print("Running cmd %s" % (cmd))
exit_code, output = _run(cmd)
# we don't care about the colouring here, so remove any ansi escape sequences
escaped_output = remove_ansi_escape_sequences(output)
print(f"Got exitcode {exit_code} with output:\n{output}")
print()
assert exit_code == int(expected_return_code)
assert expected_output in escaped_output
def check_metastatus_return_code(context, expected_return_code, expected_output):
# We don't want to invoke the "paasta metastatus" wrapper because by
# default it will check every cluster. This is also the way sensu invokes
# this check.
cmd = '../paasta_tools/paasta_metastatus.py --v'
env = dict(os.environ)
env['MESOS_CLI_CONFIG'] = context.mesos_cli_config_filename
print 'Running cmd %s with MESOS_CLI_CONFIG=%s' % (cmd, env['MESOS_CLI_CONFIG'])
(exit_code, output) = _run(cmd, env=env)
# we don't care about the colouring here, so remove any ansi escape sequences
escaped_output = remove_ansi_escape_sequences(output)
print 'Got exitcode %s with output:\n%s' % (exit_code, output)
print '\n'
assert exit_code == int(expected_return_code)
assert expected_output in escaped_output
def check_metastatus_return_code(context, expected_return_code,
expected_output):
# We don't want to invoke the "paasta metastatus" wrapper because by
# default it will check every cluster. This is also the way sensu invokes
# this check.
cmd = '../paasta_tools/paasta_metastatus.py --v'
env = dict(os.environ)
env['MESOS_CLI_CONFIG'] = context.mesos_cli_config_filename
print 'Running cmd %s with MESOS_CLI_CONFIG=%s' % (cmd,
env['MESOS_CLI_CONFIG'])
(exit_code, output) = _run(cmd, env=env)
# we don't care about the colouring here, so remove any ansi escape sequences
escaped_output = remove_ansi_escape_sequences(output)
print 'Got exitcode %s with output:\n%s' % (exit_code, output)
print '\n'
assert exit_code == int(expected_return_code)
assert expected_output in escaped_output
def test_pretty_print_smartstack_backends_for_locations_verbose():
hosts_grouped_by_location = {'place1': ['host1'], 'place2': ['host2'], 'place3': ['host3']}
host_ip_mapping = {
'host1': '169.254.123.1',
'host2': '169.254.123.2',
'host3': '169.254.123.3',
}
tasks = [
mock.Mock(host='host1', ports=[1234]),
mock.Mock(host='host2', ports=[1234]),
mock.Mock(host='host3', ports=[1234])
]
backends = {
'host1': {
'svname': '169.254.123.1:1234_host1',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
'host2': {
'svname': '169.254.123.2:1234_host2',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
'host3': {
'svname': '169.254.123.3:1234_host3',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
}
with contextlib.nested(
mock.patch(
'paasta_tools.marathon_serviceinit.get_backends', autospec=True,
side_effect=lambda _, synapse_host, synapse_port, synapse_haproxy_url_format: [backends[synapse_host]]
),
mock.patch('socket.gethostbyname', side_effect=lambda name: host_ip_mapping[name], autospec=True),
) as (
mock_get_backends,
mock_gethostbyname,
):
actual = marathon_serviceinit.pretty_print_smartstack_backends_for_locations(
service_instance='fake_service.fake_instance',
tasks=tasks,
locations=hosts_grouped_by_location,
expected_count=3,
verbose=True,
synapse_port=123456,
synapse_haproxy_url_format=DEFAULT_SYNAPSE_HAPROXY_URL_FORMAT,
)
colorstripped_actual = [remove_ansi_escape_sequences(l) for l in actual]
assert colorstripped_actual == [
' Name LastCheck LastChange Status',
' place1 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host1:1234 L7OK/200 in 4ms now UP',
' place2 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host2:1234 L7OK/200 in 4ms now UP',
' place3 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host3:1234 L7OK/200 in 4ms now UP',
]
def test_pretty_print_smartstack_backends_for_locations_verbose():
hosts_grouped_by_location = {
'place1': ['host1'],
'place2': ['host2'],
'place3': ['host3']
}
host_ip_mapping = {
'host1': '169.254.123.1',
'host2': '169.254.123.2',
'host3': '169.254.123.3',
}
tasks = [
mock.Mock(host='host1', ports=[1234]),
mock.Mock(host='host2', ports=[1234]),
mock.Mock(host='host3', ports=[1234])
]
backends = {
'host1': {
'svname': '169.254.123.1:1234_host1',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
'host2': {
'svname': '169.254.123.2:1234_host2',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
'host3': {
'svname': '169.254.123.3:1234_host3',
'status': 'UP',
'check_status': 'L7OK',
'check_code': '200',
'check_duration': 4,
'lastchg': 0
},
}
with contextlib.nested(
mock.patch('paasta_tools.marathon_serviceinit.get_backends',
autospec=True,
side_effect=lambda _, synapse_host, synapse_port,
synapse_haproxy_url_format: [backends[synapse_host]]),
mock.patch('socket.gethostbyname',
side_effect=lambda name: host_ip_mapping[name],
autospec=True),
) as (
mock_get_backends,
mock_gethostbyname,
):
actual = marathon_serviceinit.pretty_print_smartstack_backends_for_locations(
service_instance='fake_service.fake_instance',
tasks=tasks,
locations=hosts_grouped_by_location,
expected_count=3,
verbose=True,
synapse_port=123456,
synapse_haproxy_url_format=DEFAULT_SYNAPSE_HAPROXY_URL_FORMAT,
)
colorstripped_actual = [
remove_ansi_escape_sequences(l) for l in actual
]
assert colorstripped_actual == [
' Name LastCheck LastChange Status',
' place1 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host1:1234 L7OK/200 in 4ms now UP',
' place2 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host2:1234 L7OK/200 in 4ms now UP',
' place3 - Healthy - in haproxy with (1/1) total backends UP in this namespace.',
' host3:1234 L7OK/200 in 4ms now UP',
]
def test_pretty_print_smartstack_backends_for_locations_verbose():
hosts_grouped_by_location = {
"place1": ["host1"],
"place2": ["host2"],
"place3": ["host3"],
}
host_ip_mapping = {
"host1": "169.254.123.1",
"host2": "169.254.123.2",
"host3": "169.254.123.3",
}
tasks = [
mock.Mock(host="host1", ports=[1234]),
mock.Mock(host="host2", ports=[1234]),
mock.Mock(host="host3", ports=[1234]),
]
backends = {
"host1": {
"svname": "169.254.123.1:1234_host1",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
"host2": {
"svname": "169.254.123.2:1234_host2",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
"host3": {
"svname": "169.254.123.3:1234_host3",
"status": "UP",
"check_status": "L7OK",
"check_code": "200",
"check_duration": 4,
"lastchg": 0,
},
}
with mock.patch(
"paasta_tools.marathon_serviceinit.get_backends",
autospec=True,
side_effect=lambda _, synapse_host, synapse_port,
synapse_haproxy_url_format: [backends[synapse_host]],
), mock.patch(
"socket.gethostbyname",
side_effect=lambda name: host_ip_mapping[name],
autospec=True,
):
actual = marathon_serviceinit.pretty_print_smartstack_backends_for_locations(
registration="fake_service.fake_instance",
tasks=tasks,
locations=hosts_grouped_by_location,
expected_count=3,
verbose=True,
synapse_port=123456,
synapse_haproxy_url_format=DEFAULT_SYNAPSE_HAPROXY_URL_FORMAT,
)
colorstripped_actual = [
remove_ansi_escape_sequences(l) for l in actual
]
assert colorstripped_actual == [
" Name LastCheck LastChange Status",
" place1 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host1:1234 L7OK/200 in 4ms now UP",
" place2 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host2:1234 L7OK/200 in 4ms now UP",
" place3 - Healthy - in haproxy with (1/1) total backends UP in this namespace.",
" host3:1234 L7OK/200 in 4ms now UP",
]
def test_remove_ansi_escape_sequences():
plain_string = 'blackandwhite'
colored_string = '\033[34m' + plain_string + '\033[0m'
assert utils.remove_ansi_escape_sequences(colored_string) == plain_string
def test_remove_ansi_escape_sequences():
plain_string = "blackandwhite"
colored_string = "\033[34m" + plain_string + "\033[0m"
assert utils.remove_ansi_escape_sequences(colored_string) == plain_string
