Play around with kubernetes

Development Tools for Windows 10

Tool	Version	Use
git	2.17.0	Source code management
kubectl	1.19.0	k8s CLI
helm	3.3.4	Help define, install, & upgrade k8s apps
stern	1.11.0	tail multiple pods and containers within each pod
yq	2.4.1	Command line YAML processor
httpie	2.2.0	HTTP command line tool
hey	N/A, build from https://github.com/rakyll/hey	load generator
watch	watch from procps-ng 3.3.12	execute a program periodically
kubectx	N/A, download bin from https://github.com/thomasliddledba/kubectxwin	Switch between k8s clusters and namespaces
kubens	N/A, download bin from https://github.com/thomasliddledba/kubenswin	kubectx dependency
minikube	1.13.1	one node k8s cluster for local development
kubernetes	1.19.2	installed with minikube
docker	19.03.8	run containers
minikube registry	minikube -p knativecookbook addons enable registry	container registry on port 32773
Istio	1.4.10, installed using ./bin/install-istio.sh	ingress gateway (only using the ingress component of Istio at this point)
Knative	Serving:0.12.0 Eventing:0.12.0	The "serving" component provides simplified deployment syntax and automated scale up and down (to 0). The "eventing" component connects Knative Serving Services to event streams other than HTTP (e.g. kafka)

Knative Installation

1. Verify Istio installation

   1. kubectl api-resources --api-group=networking.istio.io

   2. kubectl api-resources --api-group=config.istio.io

   3. kubectl api-resources --api-group=authentication.istio.io

   4. kubectl api-resources --api-group=rbac.istio.io

2. Install Serving and Eventing CRDs

   1. kubectl apply --selector knative.dev/crd-install=true --filename "https://github.com/knative/serving/releases/download/v0.12.0/serving.yaml"

   2. kubectl apply --selector knative.dev/crd-install=true --filename "https://github.com/knative/eventing/releases/download/v0.12.0/eventing.yaml"

3. Verify Serving and Eventing CRDs

   1. kubectl api-resources --api-group=serving.knative.dev

   2. kubectl api-resources --api-group=messaging.knative.dev

   3. kubectl api-resources --api-group=eventing.knative.dev

   4. kubectl api-resources --api-group=sources.eventing.knative.dev

   5. kubectl api-resources --api-group=sources.knative.dev

4. Install Serving Components

   1. kubectl apply --selector networking.knative.dev/certificate-provider!=cert-manager --filename "https://github.com/knative/serving/releases/download/v0.12.0/serving.yaml"

   2. watch kubectl get pods -n knative-serving

5. Install Eventing Components

   1. kubectl apply --selector networking.knative.dev/certificate-provider!=cert-manager --filename "https://github.com/knative/eventing/releases/download/v0.12.0/eventing.yaml"

   2. watch kubectl get pods -n knative-eventing

Set up the docker environment to use minikube

1. Configure

   1. UNIX

      1. eval $(minikube docker-env)

   2. Windows

      1. Run the "minikube docker-env" command

      2. Copy the output and run the related "SET" commands to set DOCKER_TLS_VERIFY, DOCKER_HOST, DOCKER_CERT_PATH, & MINIKUBE_ACTIVE_DOCKERD

2. Verify docker configuration

   1. docker images --format {{.Repository}}

Set up namespaces (switch using "kubens set chapter-2" )

1. kubectl create namespace chapter-2

2. kubectl create namespace chapter-3

3. kubectl create namespace chapter-4

4. kubectl create namespace chapter-5

5. kubectl create namespace chapter-6

6. kubectl create namespace chapter-7