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authorDmitry Puzikov <dmitry.puzikov@tieto.com>2019-09-25 14:19:36 +0200
committerDmitry Puzikov <dmitry.puzikov@tieto.com>2019-10-15 10:42:36 +0200
commited4a579fcddbb3028f7668923fa83d756bdf2f8f (patch)
treed3fb7da40d23e4fe8ad037d8809b1e9b2ce98e50 /kubernetes/readiness/docker
parent8b763cd0c644dec143482e40ab54710d983cacfa (diff)
Mavenized image creation for readiness-check
Issue-ID: INT-1045 Change-Id: I9c7b7fd26c8f376600aa7efc9c1d9e2eee001cde Signed-off-by: Dmitry Puzikov <dmitry.puzikov@tieto.com>
Diffstat (limited to 'kubernetes/readiness/docker')
-rw-r--r--kubernetes/readiness/docker/init/Dockerfile20
-rw-r--r--kubernetes/readiness/docker/init/job_complete.py108
-rw-r--r--kubernetes/readiness/docker/init/ready.py189
3 files changed, 0 insertions, 317 deletions
diff --git a/kubernetes/readiness/docker/init/Dockerfile b/kubernetes/readiness/docker/init/Dockerfile
deleted file mode 100644
index b060915354..0000000000
--- a/kubernetes/readiness/docker/init/Dockerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-FROM python:2-alpine
-
-ENV no_proxy "localhost,127.0.0.1,.cluster.local,$KUBERNETES_SERVICE_HOST"
-# Setup Corporate proxy
-ENV https_proxy ${HTTPS_PROXY}
-ENV http_proxy ${HTTP_PROXY}
-
-RUN pip install requests pyyaml kubernetes
-
-ENV CERT="/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
-ENV TOKEN="/var/run/secrets/kubernetes.io/serviceaccount/token"
-
-COPY ready.py /root/ready.py
-RUN chmod a+x /root/ready.py
-
-COPY job_complete.py /root/job_complete.py
-RUN chmod a+x /root/job_complete.py
-
-ENTRYPOINT ["/root/ready.py"]
-CMD [""] \ No newline at end of file
diff --git a/kubernetes/readiness/docker/init/job_complete.py b/kubernetes/readiness/docker/init/job_complete.py
deleted file mode 100644
index a9570c5951..0000000000
--- a/kubernetes/readiness/docker/init/job_complete.py
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/usr/bin/env python
-import getopt
-import logging
-import os
-import sys
-import time
-import random
-
-from kubernetes import client
-
-# extract env variables.
-namespace = os.environ['NAMESPACE']
-cert = os.environ['CERT']
-host = os.environ['KUBERNETES_SERVICE_HOST']
-token_path = os.environ['TOKEN']
-
-with open(token_path, 'r') as token_file:
- token = token_file.read().replace('\n', '')
-
-# setup logging
-log = logging.getLogger(__name__)
-handler = logging.StreamHandler(sys.stdout)
-formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
-handler.setFormatter(formatter)
-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'
-batchV1Api = client.BatchV1Api(client.ApiClient(configuration))
-
-
-def is_job_complete(job_name):
- complete = False
- log.info("Checking if " + job_name + " is complete")
- response = ""
- try:
- response = batchV1Api.read_namespaced_job_status(job_name, namespace)
- if response.status.succeeded == 1:
- job_status_type = response.status.conditions[0].type
- if job_status_type == "Complete":
- complete = True
- else:
- log.info(job_name + " is not complete")
- else:
- log.info(job_name + " has not succeeded yet")
- return complete
- except Exception as e:
- log.error("Exception when calling read_namespaced_job_status: %s\n" % e)
-
-
-DEF_TIMEOUT = 10
-DESCRIPTION = "Kubernetes container job complete check utility"
-USAGE = "Usage: job_complete.py [-t <timeout>] -j <job_name> " \
- "[-j <job_name> ...]\n" \
- "where\n" \
- "<timeout> - wait for container job complete timeout in min, " \
- "default is " + str(DEF_TIMEOUT) + "\n" \
- "<job_name> - name of the job to wait for\n"
-
-
-def main(argv):
- # args are a list of job names
- job_names = []
- timeout = DEF_TIMEOUT
- try:
- opts, args = getopt.getopt(argv, "hj:t:", ["job-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 ("-j", "--job-name"):
- job_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 job_names.__len__() == 0:
- print("Missing required input parameter(s)\n")
- print(USAGE)
- sys.exit(2)
-
- for job_name in job_names:
- timeout = time.time() + timeout * 60
- while True:
- complete = is_job_complete(job_name)
- if complete is True:
- break
- elif time.time() > timeout:
- log.warning("timed out waiting for '" + job_name +
- "' to be completed")
- exit(1)
- else:
- # spread in time potentially parallel execution in multiple
- # containers
- time.sleep(random.randint(5, 11))
-
-
-if __name__ == "__main__":
- main(sys.argv[1:])
diff --git a/kubernetes/readiness/docker/init/ready.py b/kubernetes/readiness/docker/init/ready.py
deleted file mode 100644
index 3f76d10395..0000000000
--- a/kubernetes/readiness/docker/init/ready.py
+++ /dev/null
@@ -1,189 +0,0 @@
-#!/usr/bin/env python
-import getopt
-import logging
-import os
-import sys
-import time
-import random
-
-from kubernetes import client
-
-# extract env variables.
-namespace = os.environ['NAMESPACE']
-cert = os.environ['CERT']
-host = os.environ['KUBERNETES_SERVICE_HOST']
-token_path = os.environ['TOKEN']
-
-with open(token_path, 'r') as token_file:
- token = token_file.read().replace('\n', '')
-
-# setup logging
-log = logging.getLogger(__name__)
-handler = logging.StreamHandler(sys.stdout)
-formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
-handler.setFormatter(formatter)
-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))
-api_instance = client.ExtensionsV1beta1Api(client.ApiClient(configuration))
-api = client.AppsV1beta1Api(client.ApiClient(configuration))
-batchV1Api = client.BatchV1Api(client.ApiClient(configuration))
-
-
-def is_job_complete(job_name):
- complete = False
- log.info("Checking if " + job_name + " is complete")
- try:
- response = batchV1Api.read_namespaced_job_status(job_name, namespace)
- if response.status.succeeded == 1:
- job_status_type = response.status.conditions[0].type
- if job_status_type == "Complete":
- complete = True
- log.info(job_name + " is complete")
- else:
- log.info(job_name + " is not complete")
- else:
- log.info(job_name + " has not succeeded yet")
- return complete
- except Exception as e:
- log.error("Exception when calling read_namespaced_job_status: %s\n" % e)
-
-
-def wait_for_statefulset_complete(statefulset_name):
- try:
- response = api.read_namespaced_stateful_set(statefulset_name, namespace)
- s = response.status
- if (s.updated_replicas == response.spec.replicas and
- s.replicas == response.spec.replicas and
- s.ready_replicas == response.spec.replicas and
- s.current_replicas == response.spec.replicas and
- s.observed_generation == response.metadata.generation):
- log.info("Statefulset " + statefulset_name + " is ready")
- return True
- else:
- log.info("Statefulset " + statefulset_name + " is not ready")
- return False
- except Exception as e:
- log.error("Exception when waiting for Statefulset status: %s\n" % e)
-
-
-def wait_for_deployment_complete(deployment_name):
- try:
- response = api.read_namespaced_deployment(deployment_name, namespace)
- s = response.status
- if (s.unavailable_replicas is None and
- ( s.updated_replicas is None or s.updated_replicas == response.spec.replicas ) and
- s.replicas == response.spec.replicas and
- s.ready_replicas == response.spec.replicas and
- s.observed_generation == response.metadata.generation):
- log.info("Deployment " + deployment_name + " is ready")
- return True
- else:
- log.info("Deployment " + deployment_name + " is not ready")
- return False
- except Exception as e:
- log.error("Exception when waiting for deployment status: %s\n" % e)
-
-
-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 s.name == container_name:
- name = read_name(i)
- if i.metadata.owner_references[0].kind == "StatefulSet":
- ready = wait_for_statefulset_complete(name)
- elif i.metadata.owner_references[0].kind == "ReplicaSet":
- deployment_name = get_deployment_name(name)
- ready = wait_for_deployment_complete(deployment_name)
- elif i.metadata.owner_references[0].kind == "Job":
- ready = is_job_complete(name)
-
- return ready
-
- else:
- continue
- return ready
- except Exception as e:
- log.error("Exception when calling list_namespaced_pod: %s\n" % e)
-
-
-def read_name(item):
- return item.metadata.owner_reference[0].name
-
-
-def get_deployment_name(replicaset):
- api_response = api_instance.read_namespaced_replica_set_status(replicaset,
- namespace)
- deployment_name = read_name(api_response)
- return deployment_name
-
-
-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:
- # spread in time potentially parallel execution in multiple
- # containers
- time.sleep(random.randint(5, 11))
-
-
-if __name__ == "__main__":
- main(sys.argv[1:])
-