Source code for tests.system.amazon.aws.utils.k8s
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from __future__ import annotations
from airflow.utils.helpers import exactly_one
try:
from airflow.providers.standard.operators.bash import BashOperator
except ImportError:
# Fallback for older Airflow versions
from airflow.operators.bash import BashOperator # type: ignore[no-redef]
[docs]
def get_describe_pod_operator(
cluster_name: str,
*,
pod_name: str | None = None,
namespace: str | None = None,
) -> BashOperator:
"""Return an operator that prints ``kubectl describe pod(s)`` output in the Airflow logs.
Exactly one of *pod_name* or *namespace* must be provided.
:param cluster_name: Name of the EKS cluster
:param pod_name: Describe a single pod by name
:param namespace: List and describe *all* pods in the given namespace
"""
if not exactly_one(pod_name, namespace):
raise ValueError("Exactly one of 'pod_name' or 'namespace' must be provided.")
if pod_name:
kubectl_commands = f"""
echo "***** pod description *****";
kubectl describe pod {pod_name};"""
else:
kubectl_commands = f"""
echo "***** pods in namespace {namespace} *****";
kubectl get pods -n {namespace} -o wide;
echo "***** pod descriptions *****";
kubectl describe pods -n {namespace};"""
return BashOperator(
task_id="describe_pod",
bash_command=f"""
install_aws.sh;
install_kubectl.sh;
# configure kubectl to hit the right cluster
aws eks update-kubeconfig --name {cluster_name};
{kubectl_commands}
""",
)