Python scripts to record media streams.
- Create a cluster in Google Kubernetes Engine: By default, a single node pool will be created, and Ubuntu nodes are recommended. You can check the cluster is created by using a Cloud Shell (see below) and typing:
kubectl get nodes
- Add Dockerhub credentials to the cluster:
- Do this using the Google 'Cloud Shell' by clicking 'Connect' on the GKE interface.
- Execute the auto-generate gcloud 'get-credentials' command.
- Create the secret using
kubectlCLI:
kubectl create secret docker-registry joshua-dockerhub --docker-server=https://hub.docker.com/ --docker-username=<DOCKERHUB_USERNAME> --docker-password='<DOCKERHUB_PASSWORD>' --docker-email=<DOCKERHUB_EMAIL>
You can list the created secret(s):
kubectl get secrets
-
Create new repository on Dockerhub: This is done on the Dockerhub UI after logging in with button 'Create Repository'. In this case, give the repository the name 'media_stream_recorder'.
-
Build and push Docker image to Dockerhub registry:
- Login to Dockerhub on docker CLI:
docker login --username=<DOCKERHUB_USERNAME>
- Build the image locally and tag it:
docker build -t media_stream_recorder:latest .
docker images
docker tag <IMAGE_ID> <DOCKERHUB_USERNAME>/media_stream_recorder:latest
docker push <DOCKERHUB_USERNAME>/media_stream_recorder:latest
- Apply the k8s deployment yaml:
- On your local machine, connect to the cluster with command-line access. Like above, 'Connect' to your cluster and execute the 'get-credentials' command it auto-generates.
- Check you see the GKE cluster with
kubectl get nodes. - Per stream, apply the corresponding yaml. For example:
kubectl apply -f deploy_record_bbcradio4.yaml
Monitor with the following commands:
kubectl get deploy
kubectl describe deploy deploy-msr-bbcradio4
kubectl get pods
kubectl logs <POD_NAME>
Congratulations, you are now recording with a GKE cluster!