#!/bin/bash -ex

cluster_name='local'
k3s_registry_config="$HOME/.config/k3d/registries.yaml"

# generate manifest to be deployed on boot
# make cluster
# auto_deploy_manifest="$(dirname "$(readlink -f "$0")")/build/dev/cluster.yaml"

# cluster registry configuration
if [[ ! -f "$k3s_registry_cofing" ]]; then
    mkdir -p "$(dirname "$k3s_registry_config")"
    cat >"$k3s_registry_config" <<EOF
mirrors:
  "registry-localhost:5000":
    endpoint:
      - http://registry-localhost:5000
EOF
else
    echo '~/.config/k3d/registries.yaml already exists, skipping generation'
fi

# local k3s cluster
if ! k3d cluster list "$cluster_name" &>/dev/null; then
    k3d cluster create "$cluster_name" \
        --servers 1 \
        --agents 3 \
        --volume "$k3s_registry_config:/etc/rancher/k3s/registries.yaml" \
        -p 80:80@loadbalancer \
        -p 443:443@loadbalancer
    sleep 10
fi
        # --volume ":/var/lib/rancher/k3s/server/manifests/cluster.yaml" \

# local docker registry
if ! docker ps -a | grep registry-localhost &>/dev/null; then
    docker volume create local_registry
    docker run -d \
        --name registry-localhost \
        --net "k3d-$cluster_name" \
        --ip 172.18.1.1 \
        --volume local_registry:/var/lib/registry \
        --restart always \
        -p 5000:5000 \
        registry:2
fi

# local postgres database
if ! docker ps -a | grep postgres-localhost &>/dev/null; then
    docker volume create local_postgres
    docker run -d \
        --name postgres-localhost \
        --net "k3d-$cluster_name" \
        --ip 172.18.1.2 \
        --volume local_postgres:/var/lib/postgresql/data \
        --volume "$PWD/.postgres/initdb.sql:/docker-entrypoint-initdb.d/initdb.sql:ro" \
        --restart always \
        --env POSTGRES_PASSWORD=changeme \
        -p 5432:5432 \
        postgres:9.6
    sleep 10
fi

# local nfs server
if ! docker ps -a | grep nfs-localhost &>/dev/null; then
    docker volume create local_nfs
    docker run -d \
        --name nfs-localhost \
        --net "k3d-$cluster_name" \
        --ip 172.18.1.3 \
        --volume nfs_local:/data \
        --volume /lib/modules:/lib/modules:ro \
        --restart always \
        --cap-add SYS_ADMIN \
        --cap-add SYS_MODULE \
        --env NFS_EXPORT_0='/data *(rw,async,insecure,no_subtree_check,no_root_squash,fsid=0)' \
        --env NFS_DISABLE_VERSION_3=YES \
        --env NFS_LOG_LEVEL=DEBUG \
        -p 2049:2049 \
        erichough/nfs-server:2.2.1
    sleep 10
fi

# k3d kubeconfig merge "$cluster_name" --switch-context >/dev/null
# kubectl apply -f "$auto_deploy_manifest"
kubectl config use-context "k3d-$cluster_name"
kubectl get nodes