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hi

Read

persistent queue https://docs.splunk.com/Documentation/Splunk/7.2.3/Data/Usepersistentqueues

  • read knative, riff
  • eventing
  • use nats to build container source

queueing system https://nats.io/documentation/tutorials/nats-pub-sub/ https://jack-vanlightly.com/blog/2018/10/2/understanding-how-apache-pulsar-works https://codurance.com/2016/05/16/publish-subscribe-model-in-kafka/ https://www.linkedin.com/pulse/message-que-pub-sub-rabbitmq-apache-kafka-pubnub-krishnakantha

To Do

Use Riff https://projectriff.io/docs/getting-started/minikube/ https://github.com/tamalsaha/kube-next/blob/master/microservices/serverless/riff.md https://www.youtube.com/watch?time_continue=13&v=eZ4dKU0tZEk

Install kvm2 on minikube https://github.com/kubernetes/minikube/blob/master/docs/drivers.md

Then start minikube with this

minikube start --memory=8192 --cpus=4 \
--kubernetes-version=v1.13.0 \
--vm-driver=kvm2 \
--disk-size=30g \
--bootstrapper=kubeadm \
--extra-config=apiserver.enable-admission-plugins="LimitRanger,NamespaceExists,NamespaceLifecycle,ResourceQuota,ServiceAccount,DefaultStorageClass,MutatingAdmissionWebhook"

Install Knative (not using riff)

  • Install Istio
curl -L https://github.com/knative/serving/releases/download/v0.3.0/istio.yaml \
  | sed 's/LoadBalancer/NodePort/' \
  | kubectl apply --filename -

kubectl label namespace default istio-injection=enabled
  • Install knative-serving
curl -L https://github.com/knative/serving/releases/download/v0.3.0/serving.yaml \
  | sed 's/LoadBalancer/NodePort/' \
  | kubectl apply --filename -
  • Deploy a knative-service
apiVersion: serving.knative.dev/v1alpha1
kind: Service
metadata:
  name: ksvc-knative-test
  namespace: default
spec:
  runLatest:
    configuration:
      revisionTemplate:
        spec:
          container:
              image: kfoozminus/knative-test:v2
  • do a grep to see what objects are created
kubectl get all | grep "knative-test"

~/./getall | grep "knative-test"

Install knative-eventing

kubectl apply --filename https://github.com/knative/eventing/releases/download/v0.3.0/release.yaml
kubectl apply --filename https://github.com/knative/eventing-sources/releases/download/v0.3.0/release.yaml
  • Inspect eventing-sources object
kubectl api-resources --verbs=list --namespaced -o name | xargs -n 1 kubectl get --show-kind --ignore-not-found -n knative-sources
  • Inspect eventing object
kubectl api-resources --verbs=list --namespaced -o name | xargs -n 1 kubectl get --show-kind --ignore-not-found -n knative-eventing

Install knative-build

kubectl apply --filename https://storage.googleapis.com/knative-releases/build/latest/release.yaml