wod - worker on demand

starting local demo

1. git clone this repo
2. task run-api-local

Use Cases

In a given namespace running the api this api can spinup a worker on demand based on an api call

• /workers/list - return list of replicas of agiven deploymnet filter by label_selector same as running kubectl -n wod get deploy -l unique-instance-id=worker-0
• /worker/activate - scale a deployment from 0 to 1
• /worker/deactivate - scale a deployment from 1 to 0

get replica count

The equivalent of kubectl -n wod get deploy -l unique-instance-id=worker-0

curl -X GET http://localhost:9090/workers/list?label_selector=unique-instance-id=worker-0

scale-up replicas from 0 to 1

The equivalent of kubectl -n wod scale deploy -l unique-instance-id=worker-0 --replicas 1

curl -X POST http://localhost:9090/worker/activate?label_selector=unique-instance-id=worker-0

scale-down replicas from 1 to 0

The equivalent of kubectl -n wod scale deploy -l unique-instance-id=worker-0 --replicas 1

curl -X POST http://localhost:9090/worker/deactivate?label_selector=unique-instance-id=worker-0

Deploy to kubernetes

using Playground cluster:

aws eks update-kubeconfig --name $CLUSTER_NAME --region $AWS_REGION --profile $AWS_PROFILE

using kustomize

k apply -k .kustomize/
namespace/wod unchanged
serviceaccount/deployment-manager-sa unchanged
role.rbac.authorization.k8s.io/deployment-manager unchanged
clusterrole.rbac.authorization.k8s.io/namespace-listener unchanged
rolebinding.rbac.authorization.k8s.io/deployment-manager-binding unchanged
clusterrolebinding.rbac.authorization.k8s.io/namespace-listener-binding unchanged
service/api unchanged
deployment.apps/api unchanged
deployment.apps/worker unchanged