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authorMandeep Khinda <mandeep.khinda@amdocs.com>2018-03-26 23:30:25 +0000
committerMandeep Khinda <mandeep.khinda@amdocs.com>2018-03-27 00:41:51 +0000
commit67edf6d5de8e931c2a9d113178cdb5a9b03516c2 (patch)
treeba92aedf794b9536c558571ed0e0cd3716edbe3c
parente4b9a6f9bea3b04f86ca86b004db1e32a0df5dc2 (diff)
adding K8s job completion utility
Integrating the Work that was originally done by SDC team: https://gerrit.onap.org/r/gitweb?p=sdc.git;a=tree;\ f=sdc-os-chef/kubernetes/sdc/templates/configmaps;hb=HEAD into the readiness image Issue-ID: OOM-832 Change-Id: Icb22a8d0a67495860008dc6d6960e043d982c668 Signed-off-by: Mandeep Khinda <mandeep.khinda@amdocs.com> Signed-off-by: Areli Fuss <af732p@intl.att.com>
-rw-r--r--kubernetes/readiness/docker/init/Dockerfile4
-rw-r--r--kubernetes/readiness/docker/init/job_complete.py97
2 files changed, 101 insertions, 0 deletions
diff --git a/kubernetes/readiness/docker/init/Dockerfile b/kubernetes/readiness/docker/init/Dockerfile
index 20f2268975..7214e04174 100644
--- a/kubernetes/readiness/docker/init/Dockerfile
+++ b/kubernetes/readiness/docker/init/Dockerfile
@@ -17,4 +17,8 @@ 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
diff --git a/kubernetes/readiness/docker/init/job_complete.py b/kubernetes/readiness/docker/init/job_complete.py
new file mode 100644
index 0000000000..97d22da6c1
--- /dev/null
+++ b/kubernetes/readiness/docker/init/job_complete.py
@@ -0,0 +1,97 @@
+#!/usr/bin/python
+import getopt
+import logging
+import os
+import sys
+import time
+
+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)
+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'
+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:
+ time.sleep(5)
+
+if __name__ == "__main__":
+ main(sys.argv[1:]) \ No newline at end of file