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|
apiVersion: v1
kind: ConfigMap
metadata:
name: {{ include "common.fullname" . }}-cluster-ready-configmap
namespace: {{ include "common.namespace" . }}
data:
vid_ready.py : |-
#!/usr/bin/python
from kubernetes import client, config
import time, argparse, logging, sys, os
#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', '')
client.configuration.host = "https://" + host
client.configuration.ssl_ca_cert = cert
client.configuration.api_key['authorization'] = token
client.configuration.api_key_prefix['authorization'] = 'Bearer'
#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)
def is_ready(container_name):
log.info( "Checking if " + container_name + " is ready")
# config.load_kube_config() # for local testing
# namespace='onap-sdc' # for local testing
v1 = client.CoreV1Api()
ready = False
try:
response = v1.list_namespaced_pod(namespace=namespace, watch=False)
for i in response.items:
#log.info(i.metadata.name)
for s in i.status.container_statuses:
#log.info(s.name)
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
return ready
except Exception as e:
log.error("Exception when calling list_namespaced_pod: %s\n" % e)
def main(args):
# args are a list of container names
for container_name in args:
# 5 min, TODO: make configurable
timeout = time.time() + 60 * 10
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__":
parser = argparse.ArgumentParser(description='Process some names.')
parser.add_argument('--container-name', action='append', required=True, help='A container name')
args = parser.parse_args()
arg_dict = vars(args)
for arg in arg_dict.itervalues():
main(arg)
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