k8s-api-server-base

this repo is a template of k8s api server.
using a master to call worker in k8s cluster.

build and run

#path in ./k8s-api-server-base

#build
sudo ./run.sh build

#deploy
sudo ./deploy.sh deploy <worker-dir>

#redrploy
sudo ./deploy.sh redeploy <worker-dir>

#uninstall
sudo ./deploy.sh uninstall

test

step 1

kubectl get svc -n kube-system

step 1 get result

NAME                      TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                  AGE
api-server-base-service   ClusterIP   <cluster-ip>    <none>        80/TCP                   7m9s

step 2

# <cluster-ip> in step 1 result
curl --location --request GET 'http://<cluster-ip>/test/GET'

step 2 get result

{
  "data": "GET",
  "status": "success"
}

other test

1

curl --location --request GET 'http://<cluster-ip>/worker/GET'

result

{
  "data": {
    "api-server-base-worker-6s282": {
      "namespace": "kube-system",
      "pod_ip": <pod-ip>
    }
  },
  "status": "success"
}

2

curl --location --request GET 'http://<cluster-ip>/test-worker/GET'

result

{
  "data": {
    "api-server-base-worker-6s282": {
      "namespace": "kube-system",
      "pod_ip": <pod-ip>
    }
  },
  "status": "success"
}

3

# <pod-ip> in other test - 1 and 2 result
curl --location --request GET 'http://<pod-ip>:8080/test/GET'

result

{
  "data": "GET",
  "status": "success"
}

debug

log path

#master log path:
/etc/api-server-base/log/master.log

#worker log path:
/etc/api-server-base/log/worker.log

change log path

method 1 : auto change in deploy

./deploy.sh redeploy <worker-path>

than log path is `<worker-path>/log`

how to add service to master or worker

step 1

add <name>.py in this, using this template.

step 2

add <name>.py to master or worker

step 3

deploy. see more

sudo ./deploy.sh redeploy <worker-dir>

step 4

test. see more

change flask run ip and port

in ./k8s-api-server-base/master.yaml
if changed, you should change this file too.
https://github.com/cool9203/k8s-api-server-base/blob/master/deploy/master-svc.yaml#L12

master call worker service example

https://github.com/cool9203/k8s-api-server-base/blob/master/pkg/api/test-worker.py#L22-L27