72-kubevela.sh

####################################################################
# Cloud-Native Apps With Open Application Model (OAM) And Kubevela #
# https://youtu.be/2CBu6sOTtwk                                     #
####################################################################

# Referenced videos:
# - K3d - How to run Kubernetes cluster locally using Rancher k3s: https://youtu.be/mCesuGk-Fks
# - Kustomize - How to Simplify Kubernetes Configuration Management: https://youtu.be/Twtbg6LFnAg
# - Crossplane - GitOps-based Infrastructure as Code through Kubernetes API: https://youtu.be/n8KjVmuHm7A
# - What Is GitOps And Why Do We Want It?: https://youtu.be/qwyRJlmG5ew

#########
# Setup #
#########

# Install KubeVela CLI from https://kubevela.io/docs/install#4-optional-get-kubevela-cli

git clone https://github.com/vfarcic/kubevela-demo.git

cd kubevela-demo

# Please watch https://youtu.be/mCesuGk-Fks if you are not familiar with k3d
# Feel free to use any other Kubernetes platform
k3d cluster create --config k3d.yaml

# If not using k3d, replace `localhost` with the base host accessible through Ingress
export BASE_HOST=localhost

cat dt-simple.yaml \
    | sed -e "s@localhost@$BASE_HOST@g" \
    | tee dt-simple.yaml

helm repo add kubevela \
    https://kubevelacharts.oss-cn-hangzhou.aliyuncs.com/core

helm repo update

helm upgrade --install \
    kubevela kubevela/vela-core \
    --namespace vela-system \
    --create-namespace \
    --wait

#############################
# Defining OAM applications #
#############################

cat dt-simple.yaml

kubectl apply \
    --filename dt-simple.yaml

kubectl get all,ingresses

echo http://$BASE_HOST

# Open it

kubectl get crds | grep oam

kubectl delete \
    --filename dt-simple.yaml

##################################
# Defining custom OAM components #
##################################

vela components

kubectl get componentdefinitions -A

cat components.yaml

# https://cuelang.org/

kubectl apply --filename components.yaml

##############################
# Defining custom OAM traits #
##############################

cat traits.yaml

kubectl apply --filename traits.yaml

#######################################
# Deploying a custom OAM applications #
#######################################

cat dt-full.yaml

kubectl apply --filename dt-full.yaml

kubectl get all,ingresses

###########
# Destroy #
###########

k3d cluster delete kubevela-demo