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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/src/main/scripts/job_complete.py
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/src/main/scripts/job_complete.py')
-rw-r--r--kubernetes/readiness/src/main/scripts/job_complete.py108
1 files changed, 108 insertions, 0 deletions
diff --git a/kubernetes/readiness/src/main/scripts/job_complete.py b/kubernetes/readiness/src/main/scripts/job_complete.py
new file mode 100644
index 0000000000..a9570c5951
--- /dev/null
+++ b/kubernetes/readiness/src/main/scripts/job_complete.py
@@ -0,0 +1,108 @@
+#!/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:])