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authorMahendra Raghuwanshi <mahendra.raghuwanshi@amdocs.com>2019-01-28 09:49:30 +0000
committerMahendra Raghuwanshi <mahendra.raghuwanshi@amdocs.com>2019-03-01 05:48:25 +0000
commit6a8304c51e129a7860d60ac562feac1f6056b5c3 (patch)
treeee1fb5c6631a90e2c4b8ef8ce9b20507ccf91fcf /kubernetes/readiness/docker/init
parentc562976f694814022f6e15d4951de69e71bd200e (diff)
Readiness check for the deployment/statefulsets
Change-Id: I8b9d2bd2720060cab215107bc0031c243155e9f6 Issue-ID: OOM-1611 Signed-off-by: Mahendra Raghuwanshi <mahendra.raghuwanshi@amdocs.com>
Diffstat (limited to 'kubernetes/readiness/docker/init')
-rw-r--r--kubernetes/readiness/docker/init/ready.py84
1 files changed, 67 insertions, 17 deletions
diff --git a/kubernetes/readiness/docker/init/ready.py b/kubernetes/readiness/docker/init/ready.py
index f4a5e5da8f..87c09a444c 100644
--- a/kubernetes/readiness/docker/init/ready.py
+++ b/kubernetes/readiness/docker/init/ready.py
@@ -30,6 +30,62 @@ 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")
+ 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
+ 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 == None and
+ 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
@@ -41,28 +97,23 @@ def is_ready(container_name):
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!")
+ if s.name == container_name:
+ if i.metadata.owner_references[0].kind == "StatefulSet":
+ ready = wait_for_statefulset_complete(i.metadata.owner_references[0].name)
+ elif i.metadata.owner_references[0].kind == "ReplicaSet":
+ api_response = api_instance.read_namespaced_replica_set_status(i.metadata.owner_references[0].name, namespace)
+ ready = wait_for_deployment_complete(api_response.metadata.owner_references[0].name)
+ elif i.metadata.owner_references[0].kind == "Job":
+ ready = is_job_complete(i.metadata.owner_references[0].name)
+
+ return 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" \
@@ -105,7 +156,6 @@ def main(argv):
else:
time.sleep(5)
-
if __name__ == "__main__":
main(sys.argv[1:])