| # |
| # Copyright 2019 the original author or authors. |
| # |
| # 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. |
| # |
| from http.server import SimpleHTTPRequestHandler |
| from structlog import get_logger |
| |
| log = get_logger() |
| |
| class Probe(SimpleHTTPRequestHandler): |
| # Checks for Onu Adapter Readiness; all should be true |
| kafka_cluster_proxy_running = False |
| kafka_adapter_proxy_running = False |
| adapter_registered_with_core = False |
| |
| # Only Kafka connectivity check defines Liveness |
| kafka_proxy_faulty = True |
| |
| def readiness_probe(self): |
| return Probe.kafka_adapter_proxy_running and Probe.kafka_cluster_proxy_running and Probe.adapter_registered_with_core |
| |
| def liveness_probe(self): |
| return not Probe.kafka_proxy_faulty |
| |
| def do_GET(self): |
| if self.path == '/readz': |
| self.ready_probe() |
| elif self.path == '/healthz': |
| self.health_probe() |
| |
| def ready_probe(self): |
| if self.readiness_probe(): |
| self.send_response(200) |
| self.end_headers() |
| else : |
| self.send_response(418) |
| self.end_headers() |
| |
| def health_probe(self): |
| if self.liveness_probe(): |
| self.send_response(200) |
| self.end_headers() |
| else : |
| self.send_response(418) |
| self.end_headers() |