#!/bin/bash
set -o errexit

KIND_K8S_NAME="pipeline"

echo "Create K8s $KIND_K8S_NAME and Registry..."
echo '==============================================================================='
# create registry container unless it already exists
reg_name='kind-registry'
reg_port='5001'
if [ "$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)" != 'true' ]; then
  docker run \
    -d --restart=always -p "127.0.0.1:${reg_port}:5000" --name "${reg_name}" \
    registry:2
fi

# create a cluster with the local registry enabled in containerd
cat <<EOF | kind create cluster --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: $KIND_K8S_NAME
containerdConfigPatches:
- |-
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${reg_port}"]
    endpoint = ["http://${reg_name}:5000"]
nodes:
- role: control-plane
  image: kindest/node:v1.24.4
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:
        node-labels: "ingress-ready=true"
  extraPortMappings:
  - containerPort: 30022
    hostPort: 22
    protocol: TCP
  - containerPort: 30080
    hostPort: 80
    protocol: TCP
EOF

# connect the registry to the cluster network if not already connected
if [ "$(docker inspect -f='{{json .NetworkSettings.Networks.kind}}' "${reg_name}")" = 'null' ]; then
  docker network connect "kind" "${reg_name}"
fi

# Document the local registry
# https://github.com/kubernetes/enhancements/tree/master/keps/sig-cluster-lifecycle/generic/1755-communicating-a-local-registry
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: ConfigMap
metadata:
  name: local-registry-hosting
  namespace: kube-public
data:
  localRegistryHosting.v1: |
    host: "localhost:${reg_port}"
    help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
EOF

echo "Create k8s done"

echo "Load image to K8s ${KIND_K8S_NAME} ..."
echo '==============================================================================='
dockerID=`docker ps|grep ${KIND_K8S_NAME}-control-plane|awk '{print $1}'`
images=(
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/controller:v0.40.2@sha256:dc7bc7d6607466b502d8dc22ba0598461d7477f608ab68aaff1ff4dedaa04f81
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/webhook:v0.40.2@sha256:6b8aadbdcede63969ecb719e910b55b7681d87110fc0bf92ca4ee943042f620b
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/kubeconfigwriter:v0.40.2@sha256:0129ea222522c861c0023d5fe4a078fa86fec11aa48faab71128b079434eb2d0
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/git-init:v0.40.2@sha256:28ff94e63e4058afc3f15b4c11c08cf3b54fa91faa646a4bbac90380cd7158df
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/entrypoint:v0.40.2@sha256:9dfeaaa371733189ddb97d8f1a07895356cf34e1c3c4dc5d1eb67c2caaf7f1d2
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/nop:v0.40.2@sha256:9d12412d03a203d37f82040e0bb81c0a1d62a48b34dadabb587e007049306848
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/imagedigestexporter:v0.40.2@sha256:00f18439a37474910d29326afdada8c18af2fbb656c6ca16b7d1345bec94c7b1
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/pullrequest-init:v0.40.2@sha256:e72aa3aff06960f007b9b59abb70fd14644f40a085e4a81bbdb058a95e272544
    gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/workingdirinit:v0.40.2@sha256:677ec1dd01ea891e9bb72d5dee252f6e9c13b7914b9c57f6e9ade2508828cacf
    gcr.io/tekton-releases/github.com/tektoncd/triggers/cmd/controller:v0.21.0@sha256:c260835027b2d5bfccef8221eed5fb4571a2a4cb843c5bdea006163ee1f617bf
    gcr.io/tekton-releases/github.com/tektoncd/triggers/cmd/webhook:v0.21.0@sha256:bdaef43faede7bc05ded54387f2dee0a3a032710fe876cc17034e75b9faf758d
    gcr.io/tekton-releases/github.com/tektoncd/triggers/cmd/interceptors:v0.21.0@sha256:6ec2a6df146507411dfc7b853efd97e43fa5dcbe7e8d9aeb810b704dde3069a1
    
    gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:27b2c22bf259d9bc1a291e99c63791ba0c27a04d2db0a43241ba0f1f20f4067f
    gcr.io/tekton-releases/github.com/tektoncd/results/cmd/api:v0.3.0@sha256:ed956232dc782cb9bb16f7bf15459fd56db52ce0952b5e2be70ae5314d0ad8de
    gcr.io/tekton-releases/github.com/tektoncd/results/cmd/watcher:v0.3.0@sha256:00b6df37bcee791a96691675a0f83db8ff04bfcf07993e07c61847766f015b44
    distroless.dev/busybox@sha256:19f02276bf8dbdd62f069b922f10c65262cc34b710eea26ff928129a736be791
)

for imageName in ${images[@]} ; do
    #docker pull $imageName
    perfix=`echo $imageName|awk -F':|@' '{print $1}'`
    id=`docker images --no-trunc $perfix|sed 1d|awk '{print $3}'`
    kind load --name ${KIND_K8S_NAME} docker-image $imageName
    docker exec -it $dockerID ctr -n=k8s.io image tag $id $imageName
done

docker tag kindest/node:v1.24.4 localhost:5001/kindest/node:v1.24.4
docker push localhost:5001/kindest/node:v1.24.4

#docker pull docker.io/library/docker:18.05-dind
kind load --name ${KIND_K8S_NAME} docker-image docker.io/library/docker:18.05-dind
#docker pull docker.io/library/bash:5.1.4@sha256:c523c636b722339f41b6a431b44588ab2f762c5de5ec3bd7964420ff982fb1d9
kind load --name ${KIND_K8S_NAME} docker-image docker.io/library/bash:5.1.4@sha256:c523c636b722339f41b6a431b44588ab2f762c5de5ec3bd7964420ff982fb1d9
#docker pull docker.io/gitlab/gitlab-ce:latest
kind load --name ${KIND_K8S_NAME} docker-image docker.io/gitlab/gitlab-ce:latest
#docker pull docker.io/library/postgres:alpine
kind load --name ${KIND_K8S_NAME} docker-image docker.io/library/postgres:alpine
#docker pull docker.io/library/redis:latest
kind load --name ${KIND_K8S_NAME} docker-image docker.io/library/redis:latest
#docker pull docker.io/library/golang:1.18
kind load --name ${KIND_K8S_NAME} docker-image docker.io/library/golang:1.18
#docker pull docker.io/dyrnq/tektoncd-triggers-cmd-eventlistenersink:v0.21.0
kind load --name ${KIND_K8S_NAME} docker-image docker.io/dyrnq/tektoncd-triggers-cmd-eventlistenersink:v0.21.0

echo "Load images done"

echo "Install dependent softwares"
echo '==============================================================================='
echo "Install Tekton..."
echo '-------------------------------------------------------------------------------'
curl --connect-timeout 5 \
    --max-time 10 \
    --retry 5 \
    --retry-delay 0 \
    --retry-max-time 40 \
    --silent \
    https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.40.2/release.yaml | kubectl apply -f -

curl --connect-timeout 5 \
    --max-time 10 \
    --retry 5 \
    --retry-delay 0 \
    --retry-max-time 40 \
    --silent \
    https://storage.googleapis.com/tekton-releases/triggers/previous/v0.21.0/release.yaml|sed 's/gcr\.io\/tekton-releases\/github.com\/tektoncd\/triggers\/cmd\/eventlistenersink:v0.21.0@sha256:10605e3af3cf534e10734ea684c94520299c26b29b9dfb67669f7b01a70147dd/docker.io\/dyrnq\/tektoncd-triggers-cmd-eventlistenersink:v0.21.0/' | kubectl apply -f -
curl --connect-timeout 5 \
    --max-time 10 \
    --retry 5 \
    --retry-delay 0 \
    --retry-max-time 40 \
    --silent \
    https://storage.googleapis.com/tekton-releases/triggers/previous/v0.21.0/interceptors.yaml | kubectl apply -f -
kubectl patch configmap -ntekton-pipelines feature-flags -p '{"data":{"enable-api-fields":"alpha"}}'

echo "Install Tekton Done"

echo "Install Gitlab"
echo '==============================================================================='
echo "Install Postgres..."
echo '-------------------------------------------------------------------------------'
cat <<EOF | kubectl apply -f -
kind: Service
apiVersion: v1
metadata:
  name: gitlab-db
spec:
  selector:
    pod: gitlab-db
  ports:
    - protocol: TCP
      port: 5432
      targetPort: 5432
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: gitlab-db-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab-db
spec:
  replicas: 1
  selector:
    matchLabels:
      pod: gitlab-db
  template:
    metadata:
      labels:
        pod: gitlab-db
    spec:
      containers:
        - name: gitlab-db
          image: postgres:alpine
          imagePullPolicy: IfNotPresent
          env:
            - name: POSTGRES_USER
              value: gitlab
            - name: POSTGRES_DB
              value: gitlabhq_production
            - name: POSTGRES_PASSWORD
              value: gitlab

          ports:
            - containerPort: 5432
          volumeMounts:
            - name: gitlab-db-volume
              mountPath: /var/lib/postgresql/data
              subPath: gitlab

      volumes:
        - name: gitlab-db-volume
          persistentVolumeClaim:
            claimName: gitlab-db-pvc
EOF

echo "Install Redis..."
echo '-------------------------------------------------------------------------------'
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Service
metadata:
  name: gitlab-memcache
spec:
  selector:
    pod: gitlab-memcache
  ports:
    - protocol: TCP
      port: 6379
      targetPort: 6379
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab-memcache
spec:
  replicas: 1
  selector:
    matchLabels:
      pod: gitlab-memcache
  template:
    metadata:
      labels:
        pod: gitlab-memcache
    spec:
      containers:
        - name: gitlab-redis-master
          image: redis
          imagePullPolicy: IfNotPresent
          resources:
            limits:
              cpu: "0.2"
          ports:
            - containerPort: 6379
EOF

echo "Install Gitlab instanse..."
echo '-------------------------------------------------------------------------------'
cat <<EOF | kubectl apply -f -
---
apiVersion: v1
kind: Service
metadata:
  name: gitlab
spec:
  type: NodePort
  selector:
    pod: gitlab
  ports:
    - name: ssh
      protocol: TCP
      port: 22
      targetPort: 22
      nodePort: 30022
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80
      nodePort: 30080
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-pvc
  labels:
    pod: gitlab
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab
spec:
  replicas: 1
  selector:
    matchLabels:
      pod: gitlab
  template:
    metadata:
      labels:
        pod: gitlab
    spec:
      containers:
        - name: gitlab
          image: gitlab/gitlab-ce
          imagePullPolicy: IfNotPresent
          env:
            - name: GITLAB_OMNIBUS_CONFIG
              value: |
                postgresql['enable'] = false
                prometheus['monitor_kubernetes'] = false
                gitlab_rails['db_username'] = "gitlab"
                gitlab_rails['db_password'] = "gitlab"
                gitlab_rails['db_host'] = "gitlab-db"
                gitlab_rails['db_port'] = "5432"
                gitlab_rails['db_database'] = "gitlabhq_production"
                gitlab_rails['db_adapter'] = 'postgresql'
                gitlab_rails['db_encoding'] = 'utf8'
                redis['enable'] = false
                gitlab_rails['redis_host'] = 'gitlab-memcache'
                gitlab_rails['redis_port'] = '6379'
                gitlab_rails['gitlab_shell_ssh_port'] = 22
                gitlab_rails['initial_root_password'] = '12345678'
          ports:
            - containerPort: 80
            - containerPort: 22
          volumeMounts:
            - name: gitlab
              mountPath: /var/opt/gitlab
              subPath: gitlab_data
            - name: gitlab
              mountPath: /etc/gitlab
              subPath: gitlab_configuration
      volumes:
        - name: gitlab
          persistentVolumeClaim:
            claimName: gitlab-pvc
EOF

echo "Install Gitlab Done"