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try:
# py2/3
import simplejson as json
except ImportError:
# py2
import json
from pkg_resources import parse_version
import ddt
from glusto.core import Glusto as g
import pytest
from openshiftstoragelibs.baseclass import GlusterBlockBaseClass
from openshiftstoragelibs import command
from openshiftstoragelibs import exceptions
from openshiftstoragelibs import heketi_ops
from openshiftstoragelibs import openshift_ops
@ddt.ddt
class TestPrometheusAndGlusterRegistryValidation(GlusterBlockBaseClass):
def setUp(self):
"""Initialize all the variables which are necessary for test cases"""
super(TestPrometheusAndGlusterRegistryValidation, self).setUp()
try:
prometheus_config = g.config['openshift']['prometheus']
self._prometheus_project_name = prometheus_config[
'prometheus_project_name']
self._prometheus_resources_selector = prometheus_config[
'prometheus_resources_selector']
self._alertmanager_resources_selector = prometheus_config[
'alertmanager_resources_selector']
self._registry_heketi_server_url = (
g.config['openshift']['registry_heketi_config'][
'heketi_server_url'])
self._registry_project_name = (
g.config['openshift']['registry_project_name'])
except KeyError as err:
self.skipTest("Config file doesn't have key {}".format(err))
# Skip the test if iscsi-initiator-utils version is not the expected
cmd = ("rpm -q iscsi-initiator-utils "
"--queryformat '%{version}-%{release}\n'"
"| cut -d '.' -f 1,2,3,4")
e_pkg_version = "6.2.0.874-17"
for g_server in self.gluster_servers:
out = self.cmd_run(cmd, g_server)
if parse_version(out) < parse_version(e_pkg_version):
self.skipTest(
"Skip the test as iscsi-initiator-utils package version {}"
"is less than version {} found on the node {}, for more "
"info refer to BZ-1624670".format(
out, e_pkg_version, g_server))
self._master = self.ocp_master_node[0]
# Switch to namespace conatining prometheus pods
cmd = "oc project --short=true"
current_project = command.cmd_run(cmd, self._master)
openshift_ops.switch_oc_project(
self._master, self._prometheus_project_name)
self.addCleanup(
openshift_ops.switch_oc_project, self._master, current_project)
def _fetch_metric_from_promtheus_pod(self, metric):
"""Fetch metric from prometheus pod using api call"""
prometheus_pods = list(openshift_ops.oc_get_pods(
self._master, selector=self._prometheus_resources_selector).keys())
fetch_metric_cmd = ("curl 'http://localhost:9090/api/v1/query"
"?query={}'".format(metric))
ret, metric_data, _ = openshift_ops.oc_rsh(
self._master, prometheus_pods[0], fetch_metric_cmd)
metric_result = json.loads(metric_data)["data"]["result"]
if (not metric_result) or ret:
raise exceptions.ExecutionError(
"Failed to fecth data for metric {}, output {}".format(
metric, metric_result))
return metric_result
def _get_pod_names_and_pvc_names(self):
# Get pod names and PVC names
pod_custom = ".:metadata.name"
pvc_custom = ":.spec.volumes[*].persistentVolumeClaim.claimName"
pvc_names, pod_names = [], []
for selector in (self._prometheus_resources_selector,
self._alertmanager_resources_selector):
pods = openshift_ops.oc_get_custom_resource(
self._master, "pod", pod_custom, selector=selector)
pod_names.extend(pods)
for pod_name in pods:
pvc_name = openshift_ops.oc_get_custom_resource(
self._master, "pod", pvc_custom, pod_name[0])[0]
pvc_names.append(pvc_name)
return pod_names, pvc_names
@pytest.mark.tier2
def test_promethoues_pods_and_pvcs(self):
"""Validate prometheus pods and PVC"""
# Wait for PVCs to be bound
pod_names, pvc_names = self._get_pod_names_and_pvc_names()
openshift_ops.wait_for_pvcs_be_bound(self._master, pvc_names)
# Validate that there should be no or zero pods in non-running state
field_selector, pod_count = "status.phase!=Running", 0
openshift_ops.wait_for_pods_be_ready(
self._master, pod_count, field_selector=field_selector)
# Validate iscsi and multipath
for (pvc_name, pod_name) in zip(pvc_names, pod_names):
self.verify_iscsi_sessions_and_multipath(
pvc_name, pod_name[0], rtype='pod',
heketi_server_url=self._registry_heketi_server_url,
is_registry_gluster=True)
# Try to fetch metric from prometheus pod
self._fetch_metric_from_promtheus_pod(metric='kube_node_info')
@ddt.data('delete', 'drain')
@pytest.mark.tier2
def test_respin_prometheus_pod(self, motive="delete"):
"""Validate respin of prometheus pod"""
if motive == 'drain':
# Get the number of infra nodes
infra_node_count_cmd = (
'oc get nodes '
'--no-headers -l node-role.kubernetes.io/infra=true|wc -l')
infra_node_count = command.cmd_run(
infra_node_count_cmd, self._master)
# Skip test case if number infra nodes are less than #2
if int(infra_node_count) < 2:
self.skipTest('Available number of infra nodes "{}", it should'
' be more than 1'.format(infra_node_count))
# Get PVC names and pod names
pod_names, pvc_names = self._get_pod_names_and_pvc_names()
# Validate iscsi and multipath
for (pvc_name, pod_name) in zip(pvc_names, pod_names):
_, _, node = self.verify_iscsi_sessions_and_multipath(
pvc_name, pod_name[0], rtype='pod',
heketi_server_url=self._registry_heketi_server_url,
is_registry_gluster=True)
# Delete the prometheus pods
if motive == 'delete':
for pod_name in pod_names:
openshift_ops.oc_delete(self._master, 'pod', pod_name[0])
# Drain the node
elif motive == 'drain':
drain_cmd = ('oc adm drain {} --force=true --ignore-daemonsets '
'--delete-local-data'.format(node))
command.cmd_run(drain_cmd, hostname=self._master)
# Cleanup to make node schedulable
cmd_schedule = (
'oc adm manage-node {} --schedulable=true'.format(node))
self.addCleanup(
command.cmd_run, cmd_schedule, hostname=self._master)
# Validate that there should be no or zero pods in non-running state
field_selector, pod_count = "status.phase!=Running", 0
openshift_ops.wait_for_pods_be_ready(
self._master, pod_count, field_selector=field_selector)
# Validate iscsi and multipath
for (pvc_name, pod_name) in zip(pvc_names, pod_names):
self.verify_iscsi_sessions_and_multipath(
pvc_name, pod_name[0], rtype='pod',
heketi_server_url=self._registry_heketi_server_url,
is_registry_gluster=True)
# Try to fetch metric from prometheus pod
self._fetch_metric_from_promtheus_pod(metric='kube_node_info')
@pytest.mark.tier2
def test_heketi_and_prometheus_device_count(self):
"""Check if device count is same in heketi and promtheus"""
cluster_ids_metrics, cluster_ids_promtheus = [], []
hostnames_metrics, hostnames_promtheus = [], []
total_value_metrics, total_value_promtheus = 0, 0
metrics = heketi_ops.get_heketi_metrics(
self.heketi_client_node, self.heketi_server_url)
heketi_device_count_metric = metrics.get('heketi_device_count')
for result in heketi_device_count_metric:
cluster_ids_metrics.append(result.get('cluster'))
hostnames_metrics.append(result.get('hostname'))
total_value_metrics += int(result.get('value'))
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_device_count')
for result in metric_result:
total_value_promtheus += int(result.get('value')[1])
cluster_ids_promtheus.append(result.get('metric')['cluster'])
hostnames_promtheus.append(result.get('metric')['hostname'])
self.assertEqual(cluster_ids_metrics, cluster_ids_promtheus,
"Cluster ID's are not same")
self.assertEqual(hostnames_metrics, hostnames_promtheus,
"Hostnames are not same")
self.assertEqual(total_value_metrics, total_value_promtheus,
"Total device counts are not same")
|
