pods

Kubernetes: list all pods in deployment


Categories: Kubernetes, Scripting

Listing all the pods belonging to a deployment can be done by querying its selectors, but using the deployment’s synthesized replicaset identifier allows for easier automation. # deployment name and namespace deployment_name=mydeployment deployment_ns=mynamespace # get replica set identifier for deployment dep_rs=$(kubectl describe deployment $deployment_name -n $deployment_ns | grep ^NewReplicaSet | awk ‘{print $2}’) # get … Kubernetes: list all pods in deployment

Kubernetes: retrieving services and pods network CIDR block from cluster


Categories: Kubernetes

When configuring networks and loadbalancers, sometimes you need the network CIDR block used by Services of a Kubernetes cluster.  There are various ways to pull this information from different Kubernetes implementations, but one trick that works across implementations is looking at the error message from kubectl if you attempt to create a service at an … Kubernetes: retrieving services and pods network CIDR block from cluster