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# Copyright © 2018 Amdocs, AT&T, Bell Canada
#
# 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.

apiVersion: v1
kind: Service
metadata:
  name: {{ include "common.servicename" . }}
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
spec:
  type: {{ .Values.service.type }}
  ports:
    - port: {{ .Values.service.internalPort }}
      name: {{ .Values.service.portName | default "http" }}
  selector:
    app: {{ include "common.name" . }}
class="n">token_path, 'r') as token_file: token = token_file.read().replace('\n', '') # setup logging log = logging.getLogger(__name__) handler = logging.StreamHandler(sys.stdout) handler.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')) handler.setLevel(logging.INFO) log.addHandler(handler) log.setLevel(logging.INFO) configuration = client.Configuration() configuration.host = "https://" + host configuration.ssl_ca_cert = cert configuration.api_key['authorization'] = token configuration.api_key_prefix['authorization'] = 'Bearer' coreV1Api = client.CoreV1Api(client.ApiClient(configuration)) def is_ready(container_name): ready = False log.info("Checking if " + container_name + " is ready") try: response = coreV1Api.list_namespaced_pod(namespace=namespace, watch=False) for i in response.items: # container_statuses can be None, which is non-iterable. if i.status.container_statuses is None: continue for s in i.status.container_statuses: if i.metadata.owner_references[0].kind == "StatefulSet": if i.metadata.name == container_name: ready = s.ready if not ready: log.info(container_name + " is not ready.") else: log.info(container_name + " is ready!") else: continue elif s.name == container_name: ready = s.ready if not ready: log.info(container_name + " is not ready.") else: log.info(container_name + " is ready!") else: continue return ready except Exception as e: log.error("Exception when calling list_namespaced_pod: %s\n" % e) DEF_TIMEOUT = 10 DESCRIPTION = "Kubernetes container readiness check utility" USAGE = "Usage: ready.py [-t <timeout>] -c <container_name> [-c <container_name> ...]\n" \ "where\n" \ "<timeout> - wait for container readiness timeout in min, default is " + str(DEF_TIMEOUT) + "\n" \ "<container_name> - name of the container to wait for\n" def main(argv): # args are a list of container names container_names = [] timeout = DEF_TIMEOUT try: opts, args = getopt.getopt(argv, "hc:t:", ["container-name=", "timeout=", "help"]) for opt, arg in opts: if opt in ("-h", "--help"): print("%s\n\n%s" % (DESCRIPTION, USAGE)) sys.exit() elif opt in ("-c", "--container-name"): container_names.append(arg) elif opt in ("-t", "--timeout"): timeout = float(arg) except (getopt.GetoptError, ValueError) as e: print("Error parsing input parameters: %s\n" % e) print(USAGE) sys.exit(2) if container_names.__len__() == 0: print("Missing required input parameter(s)\n") print(USAGE) sys.exit(2) for container_name in container_names: timeout = time.time() + timeout * 60 while True: ready = is_ready(container_name) if ready is True: break elif time.time() > timeout: log.warning("timed out waiting for '" + container_name + "' to be ready") exit(1) else: time.sleep(5) if __name__ == "__main__": main(sys.argv[1:])