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# Copyright 2020 University Of Delhi.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Monitoring & Logging Agents Related Checks
"""
import ast
from tools.kube_utils import kube_curl
from tools.result_api import rfile
from .store_result import store_result
def prometheus_check():
"""
Check health of Prometheus
"""
username = "prometheus"
password = "password123"
service = "prom-metrics"
namespace = "osh-infra"
health = "fail" #default
res = kube_curl("-sL", "-m", "3", "-u", f'{username}:{password}', f'{service}.{namespace}/-/healthy')
if 'Prometheus is Healthy' in res:
health = "pass"
readiness = "fail" #default
res = kube_curl("-sL", "-m", "3", "-u", f'{username}:{password}', f'{service}.{namespace}/-/ready')
if 'Prometheus is Ready' in res:
readiness = "pass"
if health == "pass" and readiness == "pass":
state = "pass"
else:
state = "fail"
result = {'category': 'platform',
'case_name': 'prometheus_check',
'criteria': state,
'details': {'health': health, 'readiness': readiness}
}
store_result(result)
return result
def grafana_check():
"""
Check health of Grafana
"""
username = "grafana"
password = "password123"
service = "grafana-dashboard"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-w", "%{http_code}",\
"-o", "/dev/null", "-u", \
f'{username}:{password}', \
f'{service}.{namespace}:3000/api/health')
if res == '200':
state = "pass"
result = {'category': 'platform',
'case_name': 'grafana_check',
'criteria': state
}
store_result(result)
return result
def prometheus_alert_manager_check():
"""
Check health of Alert Manager
"""
service = "alerts-engine"
namespace = "osh-infra"
health = "fail" #default
res = kube_curl("-sL", "-m", "3", f'{service}.{namespace}:9093/-/healthy')
if 'Prometheus is Healthy' in res:
health = "pass"
readiness = "fail" #default
res = kube_curl("-sL", "-m", "3", f'{service}.{namespace}:9093/-/ready')
if 'Prometheus is Ready' in res:
readiness = "pass"
if health == "pass" and readiness == "pass":
state = "pass"
else:
state = "fail"
result = {'category': 'platform',
'case_name': 'prometheus_alert_manager_check',
'criteria': state,
'details': {'health': health, 'readiness': readiness}
}
store_result(result)
return result
def elasticsearch_check():
"""
Check health of Elasticsearch cluster
"""
username = "elasticsearch"
password = "password123"
service = "elasticsearch"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-u", f'{username}:{password}', f'{service}.{namespace}/_cluster/health')
if res == '':
res = 'Elasticsearch not reachable'
else:
res = ast.literal_eval(res)
if res['status'] == 'green':
state = "pass"
result = {'category': 'platform',
'case_name': 'elasticsearch_check',
'criteria': state,
'details': res
}
store_result(result)
return result
def kibana_check():
"""
Check health of Kibana
"""
username = "elasticsearch"
password = "password123"
service = "kibana-dash"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-u", f'{username}:{password}', f'{service}.{namespace}/api/status')
if res == '':
res = 'kibana not reachable'
else:
res = ast.literal_eval(res)
if res['status']['overall']['state'] == 'green':
state = "pass"
result = {'category': 'platform',
'case_name': 'kibana_check',
'criteria': state,
'details': rfile(str(res))
}
store_result(result)
return result
def nagios_check():
"""
Check health of Nagios
"""
username = "nagios"
password = "password123"
service = "nagios-metrics"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-w", "%{http_code}",\
"-o", "/dev/null", "-u", \
f'{username}:{password}', \
f'{service}.{namespace}')
if res == '200':
state = "pass"
result = {'category': 'platform',
'case_name': 'nagios_check',
'criteria': state
}
store_result(result)
return result
def elasticsearch_exporter_check():
"""
Check health of Elasticsearch Exporter
"""
service = "elasticsearch-exporter"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-w", "%{http_code}", "-o", "/dev/null", f'{service}.{namespace}:9108/metrics')
if res == '200':
state = "pass"
result = {'category': 'platform',
'case_name': 'elasticsearch_exporter_check',
'criteria': state
}
store_result(result)
return result
def fluentd_exporter_check():
"""
Check health of Fluentd Exporter
"""
service = "fluentd-exporter"
namespace = "osh-infra"
state = "fail" #default
res = kube_curl("-sL", "-m", "3", "-w", "%{http_code}", "-o", "/dev/null", f'{service}.{namespace}:9309/metrics')
if res == '200':
state = "pass"
result = {'category': 'platform',
'case_name': 'fluentd_exporter_check',
'criteria': state
}
store_result(result)
return result
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