operator

Operator

Running the Operator

Requirements

• kubectl (>= 1.20)
• Kubernetes distribution such as kind.

Setup

• Setup Kind with ingress controller enabled

```shell
cat <<EOF | kind create cluster --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:
        node-labels: "ingress-ready=true"
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
    protocol: TCP
  - containerPort: 443
    hostPort: 443
    protocol: TCP
EOF

• Setup Nginx ingress controller

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/kind/deploy.yaml

• Setup Cert-Manager

kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.8.0/cert-manager.yaml

• Edit email address in samples/cert-manager.yaml and apply configuration using the following command:

kubectl apply -f samples/cert-manager.yaml

• Deploy the operator

kubectl apply -f https://raw.githubusercontent.com/ubogdan/operator/main/deploy/static/provider/kind/deploy.yaml

Setting up Your Development Environment

Requirements

Before you start, install the following tools and packages:

• go (>= 1.17)
• golangci-lint
• kubectl (>= 1.20)
• kubebuilder (>= 3.4.0)
• docker (>= 19.0.0)
• Kubernetes distribution such as kind.

Get sources

git clone https://github.com/ubogdan/operator.git
cd operator

Setup

• Setup Kind with ingress controller enabled

```shell
cat <<EOF | kind create cluster --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:
        node-labels: "ingress-ready=true"
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
    protocol: TCP
  - containerPort: 443
    hostPort: 443
    protocol: TCP
EOF

• Setup Nginx ingress controller

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/kind/deploy.yaml

• Setup Cert-Manager

kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.8.0/cert-manager.yaml

• Edit email address in samples/cert-manager.yaml and apply configuration using the following command:

kubectl apply -f samples/cert-manager.yaml

• Run the operator (development mode)

```shell
make install run

• Edit samples/workloads_v1_container.yaml and apply configuration using the following command:

kubectl apply -f samples/workloads_v1_container.yaml

Recommended reading

• Resources
• Controllers
• Controller Managers