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test_trawler.py
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test_trawler.py
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import statistics
import trawler
import logging
import pytest
import certs_net
import datapower_net
import manager_net
import analytics_net
import requests_mock
import requests
import prometheus_client
import metrics_graphite
import socket
from kubernetes import client, config
import kubernetes
from click.testing import CliRunner
boaty = trawler.Trawler()
boaty.secret_path = 'test-assets'
boaty.use_kubeconfig = False
statistics_enabled = '{"Statistics":{"mAdminState":"enabled"}}'
fake_pod = kubernetes.client.V1Pod(
metadata=kubernetes.client.V1ObjectMeta(
name='testpod',
namespace='trawler-test',
annotations={"testAnnotation": "testValue"}
),
status=kubernetes.client.V1PodStatus(
conditions=[
kubernetes.client.V1PodCondition(type='Ready', status=True)
],
pod_ip="127.0.0.1"
)
)
peering_mock = """
{
"GatewayPeeringStatus": [
{
"Address": "127.0.0.1",
"Name": "rate-limit",
"PendingUpdates": 0,
"ReplicationOffset": 170111082,
"LinkStatus": "ok",
"Primary": "yes"
}
]
}
"""
log_target_mock = """
{
"_links" : {
"self" : {"href" : "/mgmt/status/default/LogTargetStatus"},
"doc" : {"href" : "/mgmt/docs/status/LogTargetStatus"}},
"LogTargetStatus" : {
"LogTarget" : {"value": "default-log",
"href" : "/mgmt/config/default/LogTarget/default-log"},
"Status" : "active",
"EventsProcessed" : 210938,
"EventsDropped" : 0,
"EventsPending" : 2,
"ErrorInfo" : "none",
"RequestedMemory" : 16}}
"""
v6 = '{"APIConnectGatewayService":{"V5CompatibilityMode":"off"}}'
def test_check_nosettings():
runner = CliRunner()
result = runner.invoke(trawler.cli, ["--config", "/non/existent"])
assert result.exit_code == 2
def test_check_config_load_nographite():
boaty2 = trawler.Trawler('test-assets/no-graphite.yaml')
assert 'prometheus' in boaty2.config
assert 'graphite' not in boaty2.config
def test_check_config_load():
boaty.load_config('test-assets/config.yaml')
assert 'prometheus' in boaty.config
assert 'graphite' in boaty.config
assert boaty.config['graphite']['enabled'] is False
def test_trawl(caplog, mocker):
caplog.set_level(logging.INFO)
boaty.config['nets'] = {}
mocker.patch('time.sleep', side_effect=KeyboardInterrupt())
with pytest.raises(KeyboardInterrupt):
print(boaty.config)
boaty.trawl_metrics()
assert 'prometheus' in boaty.config
assert 'graphite' in boaty.config
assert 'INFO' in caplog.text
def test_secret():
boaty.secrets_path = 'test-assets'
content = boaty.read_secret('samplesecret')
assert content == 'not-a-secret'
def test_missing_secret():
boaty.secrets_path = 'test-assets'
content = boaty.read_secret('missingsecret')
assert content is None
def test_trawler_gauge(mocker, caplog):
caplog.set_level(logging.INFO)
if 'labels' in boaty.config['prometheus']:
boaty.config['prometheus'].pop('labels')
boaty.set_gauge('component', 'target_name', 23, 'pod_name')
assert 'Creating gauge ' in caplog.text
# Lookup values from prometheus client
assert prometheus_client.REGISTRY.get_sample_value('component_target_name', labels={"pod": "pod_name"}) == 23
def test_trawler_gauge_default_labels(mocker, caplog):
caplog.set_level(logging.INFO)
boaty.config['prometheus']['labels'] = {'cluster':'goat'}
boaty.set_gauge('component', 'target_name_default', 23, 'pod_name')
assert 'Creating gauge ' in caplog.text
# Lookup values from prometheus client
assert prometheus_client.REGISTRY.get_sample_value('component_target_name_default', labels={"pod": "pod_name", "cluster":"goat"}) == 23
def test_trawler_gauge_additional_labels(mocker, caplog):
caplog.set_level(logging.INFO)
if 'labels' in boaty.config['prometheus']:
boaty.config['prometheus'].pop('labels')
boaty.set_gauge('labels', 'add_additional', 1, pod_name='pod_name', labels={"group": "labels"})
assert 'Creating gauge ' in caplog.text
# Lookup values from prometheus client
assert prometheus_client.REGISTRY.get_sample_value('labels_add_additional', labels={"pod": "pod_name", "group": "labels"}) == 1
def test_datapower_fishing(mocker):
""" test the pod finding """
mocker.patch('kubernetes.config.load_incluster_config')
mocker.patch('kubernetes.client.CoreV1Api.list_pod_for_all_namespaces',
return_value=kubernetes.client.V1PodList(items=[fake_pod])
)
mocker.patch('datapower_net.DataPowerNet.load_password_from_secret', return_value='password')
with requests_mock.mock() as m:
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default', text=v6)
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics', text=statistics_enabled)
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/GatewayPeeringStatus', text=peering_mock)
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/AnalyticsEndpointStatus', text="")
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/TCPSummary', text="")
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/LogTargetStatus', text=log_target_mock)
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/ObjectStatus', text="")
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/APIDocumentCachingSummary', text="")
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/HTTPTransactions2', text="")
new_net = datapower_net.DataPowerNet({}, boaty)
new_net.fish()
assert config.load_incluster_config.called
def test_datapower_fishing_error(mocker, caplog):
caplog.set_level(logging.INFO)
mocker.patch('kubernetes.client.CoreV1Api.list_pod_for_all_namespaces',
side_effect=kubernetes.client.rest.ApiException('error')
)
new_net = datapower_net.DataPowerNet({}, boaty)
assert kubernetes.client.CoreV1Api.list_pod_for_all_namespaces
def test_datapower_instance(mocker, caplog):
caplog.set_level(logging.INFO)
with requests_mock.mock() as m:
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics', text=statistics_enabled)
v5c = '{"APIConnectGatewayService":{"V5CompatibilityMode":"on"}}'
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default', text=v5c)
dp = datapower_net.DataPower('127.0.0.1', '5554', 'myDp', 'namespace', 'admin', 'password', boaty)
assert dp.name == 'myDp'
assert dp.ip == '127.0.0.1'
assert dp.v5c
# Mock data
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/LogTargetStatus', text=log_target_mock)
m.get('/mgmt/config/apiconnect/Statistics', text=statistics_enabled)
dp.fetch_data('LogTargetStatus', 'test')
assert 'Creating gauge ' in caplog.text
# Lookup values from prometheus client
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_test_EventsProcessed',
labels={"pod": "myDp", "namespace": "namespace"}) == 210938
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_test_EventsDropped',
labels={"pod": "myDp", "namespace": "namespace"}) == 0
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_test_EventsPending',
labels={"pod": "myDp", "namespace": "namespace"}) == 2
def test_datapower_peering(mocker, caplog):
caplog.set_level(logging.INFO)
with requests_mock.mock() as m:
v6 = '{"APIConnectGatewayService":{"V5CompatibilityMode":"off"}}'
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default', text=v6)
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics', text=statistics_enabled)
dp = datapower_net.DataPower('127.0.0.1', '5554', 'myDp', 'namespace', 'admin', 'password', boaty)
assert dp.name == 'myDp'
assert dp.ip == '127.0.0.1'
assert not dp.v5c
# Mock data
mock_data = """
{
"GatewayPeeringStatus": [
{
"Address": "127.0.0.1",
"Name": "rate-limit",
"PendingUpdates": 0,
"ReplicationOffset": 170111082,
"LinkStatus": "ok",
"Primary": "yes"
}
]
}
"""
m.get('https://127.0.0.1:5554/mgmt/status/apiconnect/GatewayPeeringStatus', text=mock_data)
dp.gateway_peering_status()
# Lookup values from prometheus client
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_gateway_peering_primary_info',
labels={"pod": "myDp", "peer_group": "rate-limit", "namespace": "namespace"}) == 1
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_gateway_peering_primary_link',
labels={"pod": "myDp", "peer_group": "rate-limit", "namespace": "namespace"}) == 1
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_gateway_peering_primary_offset',
labels={"pod": "myDp", "peer_group": "rate-limit", "namespace": "namespace"}) == 170111082
def test_datapower_instance_readtimeout(caplog, mocker):
caplog.set_level(logging.INFO)
with requests_mock.mock() as m:
m.put('https://127.0.0.1:5554/mgmt/config/apiconnect',
exc=requests.exceptions.ReadTimeout())
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics',
exc=requests.exceptions.ReadTimeout())
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default',
exc=requests.exceptions.ReadTimeout())
dp = datapower_net.DataPower('127.0.0.1', '5554', 'myDp', 'namespace', 'admin', 'password', boaty)
assert dp.name == 'myDp'
assert dp.ip == '127.0.0.1'
assert 'rest-mgmt' in caplog.text
def test_datapower_instance_connecttimeout(caplog, mocker):
caplog.set_level(logging.INFO)
with requests_mock.mock() as m:
m.put('https://127.0.0.1:5554/mgmt/config/apiconnect',
exc=requests.exceptions.ReadTimeout())
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics',
exc=requests.exceptions.ReadTimeout())
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default',
exc=requests.exceptions.ReadTimeout())
dp = datapower_net.DataPower('127.0.0.1', '5554', 'myDp', 'namespace', 'admin', 'password', boaty)
assert dp.name == 'myDp'
assert dp.ip == '127.0.0.1'
assert 'rest-mgmt' in caplog.text
def test_datapower_instance_api_test(caplog, mocker):
""" Test per gateway api testing """
caplog.set_level(logging.INFO)
api_tests = [
{"name":"test", "path": "/apitest", "method": "get"}
]
with requests_mock.mock() as m:
v6 = '{"APIConnectGatewayService":{"V5CompatibilityMode":"off"}}'
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/APIConnectGatewayService/default', text=v6)
m.get('https://127.0.0.1:5554/mgmt/config/apiconnect/Statistics', text=statistics_enabled)
m.get('https://127.0.0.1:9443/apitest', text='1')
dp = datapower_net.DataPower('127.0.0.1', '5554', 'myDp', 'namespace', 'admin', 'password', boaty, api_tests)
assert dp.name == 'myDp'
assert dp.ip == '127.0.0.1'
assert dp.api_tests == api_tests
dp.invoke_api(dp.api_tests[0])
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_invoke_api_test_size',
labels={"pod": "myDp", "namespace": "namespace"}) == 1
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_invoke_api_test_time',
labels={"pod": "myDp", "namespace": "namespace"})
assert prometheus_client.REGISTRY.get_sample_value(
'datapower_invoke_api_test_status_total',
labels={"pod": "myDp", "namespace": "namespace", "code": "200"})
def test_manager_fishing_errors(mocker, caplog):
caplog.set_level(logging.INFO)
with requests_mock.mock() as m:
m.get('https://juhu.local/api/cloud/topology', exc=requests.exceptions.ConnectionError)
mocker.patch('kubernetes.config.load_incluster_config')
mocker.patch('kubernetes.client.CoreV1Api.list_namespaced_service', side_effect=kubernetes.client.rest.ApiException)
new_net = manager_net.ManagerNet({}, boaty)
new_net.hostname = 'juhu.local'
new_net.get_topology_info()
assert new_net.password == 'not-a-password'
assert config.load_incluster_config.called
assert client.CoreV1Api.list_namespaced_service.called
assert 'Error calling kubernetes API' in caplog.text
def test_cert_fishing(mocker):
mocker.patch('kubernetes.config.load_incluster_config')
mocker.patch('kubernetes.client.CoreV1Api.list_namespaced_secret')
new_net = certs_net.CertsNet({"namespace": "certs"}, boaty)
new_net.fish()
assert config.load_incluster_config.called
assert client.CoreV1Api.list_namespaced_secret.called
def test_cert_fishing_all_namespaces(mocker):
mocker.patch('kubernetes.config.load_incluster_config')
mocker.patch('kubernetes.client.CoreV1Api.list_secret_for_all_namespaces')
new_net = certs_net.CertsNet({}, boaty)
new_net.fish()
assert config.load_incluster_config.called
assert client.CoreV1Api.list_secret_for_all_namespaces.called
def test_analytics_fishing(mocker):
mocker.patch('kubernetes.config.load_incluster_config')
mocker.patch('kubernetes.client.CoreV1Api.list_namespaced_service')
mocker.patch('kubernetes.client.CoreV1Api.list_namespaced_secret')
mocker.patch('kubernetes.client.CustomObjectsApi.list_cluster_custom_object',
return_value={
'items': [
{'status': {
'services': {'director':'director-local'},
'serviceClientSecret':'none',
'versions': {'reconciled':'10.0.4.1'}}}]})
new_net = analytics_net.AnalyticsNet({}, boaty)
new_net.fish()
assert config.load_incluster_config.called
assert client.CoreV1Api.list_namespaced_service.called
assert client.CoreV1Api.list_namespaced_secret.called
def test_metrics_graphite_stage():
metrics = metrics_graphite.instance({"type":"graphite"})
length = len(metrics.cache)
metrics.stage('hello', 1)
assert len(metrics.cache) is length + 1
assert "trawler.hello" in metrics.cache[length]
def test_metrics_graphite_prefix():
import metrics_graphite
metrics = metrics_graphite.instance({"type":"graphite", "prefix":"random"})
assert metrics.prefix == "random"
metrics.stage('hello', 1)
assert "random." in metrics.cache[-1]