From 0712212173dc02d944b3cfa09e73aba2a207dd6c Mon Sep 17 00:00:00 2001
From: Daniel Spangenberg <daniel@cloudquery.io>
Date: Fri, 1 Jul 2022 14:01:51 +0200
Subject: [PATCH] feat: Add kind testing prerequisites (#63)

---
 .gitignore          |  1 +
 kind-config.yaml    |  5 +++
 scripts/e2e-kind.sh | 83 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 kind-config.yaml
 create mode 100755 scripts/e2e-kind.sh

diff --git a/.gitignore b/.gitignore
index 1d31f301..1b831787 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ cloudquery.log
 terraform.tfstate
 terraform.tfvars
 .vscode
+.kind-kubeconfig
diff --git a/kind-config.yaml b/kind-config.yaml
new file mode 100644
index 00000000..cebee6d5
--- /dev/null
+++ b/kind-config.yaml
@@ -0,0 +1,5 @@
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+  - role: control-plane
+  - role: worker
diff --git a/scripts/e2e-kind.sh b/scripts/e2e-kind.sh
new file mode 100755
index 00000000..f1654a4d
--- /dev/null
+++ b/scripts/e2e-kind.sh
@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+readonly CT_VERSION=v3.6.0
+readonly KIND_VERSION=v0.14.0
+readonly CLUSTER_NAME=chart-testing
+readonly K8S_VERSION=v1.24.2
+
+run_ct_container() {
+    echo 'Running or reusing ct container...'
+
+    docker ps -f name=ct | grep -w ct || docker run --rm --interactive --detach --network host --name ct \
+        --volume "$(pwd)/ct.yaml:/etc/ct/ct.yaml" \
+        --volume "$(pwd):/workdir" \
+        --workdir /workdir \
+        "quay.io/helmpack/chart-testing:$CT_VERSION" \
+        cat
+    echo
+}
+
+cleanup_ct_container() {
+    echo 'Removing ct container...'
+    docker kill ct > /dev/null 2>&1
+
+    echo 'Done!'
+}
+
+cleanup_kind_cluster() {
+    cleanup_ct_container
+
+    echo 'Removing kind cluster...'
+    kind delete cluster --name "$CLUSTER_NAME" > /dev/null 2>&1
+
+    echo 'Done!'
+}
+
+docker_exec() {
+    docker exec --interactive ct "$@"
+}
+
+create_kind_cluster() {
+    if ! command -v kind > /dev/null 2>&1; then
+      echo 'Installing kind...'
+      curl -sSLo kind "https://github.com/kubernetes-sigs/kind/releases/download/$KIND_VERSION/kind-linux-amd64"
+      chmod +x kind
+      sudo mv kind /usr/local/bin/kind
+    fi
+
+    echo 'Creating or reusing kind cluster...'
+    kind get clusters | grep -v 'No kind clusters found.' || kind create cluster --name "$CLUSTER_NAME" --config kind-config.yaml --image "kindest/node:$K8S_VERSION" --wait 60s --kubeconfig .kind-kubeconfig
+
+    echo 'Copying kubeconfig to container...'
+    docker_exec mkdir /root/.kube || echo
+    docker cp .kind-kubeconfig ct:/root/.kube/config
+
+    docker_exec kubectl cluster-info
+    echo
+
+    docker_exec kubectl get nodes
+    echo
+
+    echo 'Cluster ready!'
+    echo
+}
+
+install_charts() {
+    docker_exec ct install --all
+    echo
+}
+
+main() {
+    run_ct_container
+    trap cleanup_ct_container EXIT
+
+    create_kind_cluster
+    trap cleanup_kind_cluster EXIT
+    install_charts
+}
+
+main