mgazz / kubedev-env

Development workflow for python applications in Kubernetes using Visual Studio Code

Setup dev env

pipenv --python 3
pipenv shell
pipenv install -r requirements.txt

Deploy etcd

helm install test bitnami/etcd -f config/etcd/values.yaml

Setup telepresence (from example)

sudo -E kubefwd services -n annex-system -m 1234:1234
curl -s https://packagecloud.io/install/repositories/datawireio/telepresence/script.deb.sh | sudo bash
sudo apt install --no-install-recommends telepresence
kubectl create deployment hello-world --image=datawire/hello-world
kubectl expose deployment hello-world --type=LoadBalancer --port=8000
telepresence --swap-deployment hello-world --expose 8000

Start debugging

# export setup variables
source .env.sh 
# start debugger at port 5678
./start_debug.sh 5678

Launch Attach debugger confiugration

Test trigger from inside the cluster:

kubectl apply -f ubuntu.yaml
kubectl exec -it ubuntu -- /bin/bash 
curl hello-world:8000

Golang debugging

dlv start as following:

ENV1=foo ETCD_ENDPOINT=test-etcd:2379 dlv debug --headless --listen=:1234 --api-version=2 main.go

Configuration

"configurations": [
		{
			"name": "attach debugger",
      "type": "go",
      "request": "attach",
      "mode":"remote",
      "port":1234,
      "host":"127.0.0.1",
      "remotePath": "${workspaceFolder}",
		}
	]