#!/usr/bin/env bash # This script can be used to prepare a kind cluster and deploy the app. # You can call this script again to redeploy the app. # It will also output instructions on how to run the integration. set -euo pipefail # # Helper functions # function log_note() { GREEN='\033[0;32m' NC='\033[0m' if [[ $COLORTERM =~ ^(truecolor|24bit)$ ]]; then echo -e "${GREEN}$*${NC}" else echo "$*" fi } function log_error() { RED='\033[0;31m' NC='\033[0m' if [[ $COLORTERM =~ ^(truecolor|24bit)$ ]]; then echo -e "🙁${RED} Error: $* ${NC}" else echo ":( Error: $*" fi } function check_dependency() { if ! command -v "$1" >/dev/null; then log_error "Missing dependency..." log_error "$2" exit 1 fi } # # Handle argument parsing and help message # help=no skip_build=no while (("$#")); do case "$1" in -h | --help) help=yes shift ;; -s | --skip-build) skip_build=yes shift ;; -*) log_error "Unsupported flag $1" >&2 exit 1 ;; *) log_error "Unsupported positional arg $1" >&2 exit 1 ;; esac done if [[ "$help" == "yes" ]]; then me="$(basename "${BASH_SOURCE[0]}")" log_note "Usage:" log_note " $me [flags]" log_note log_note "Flags:" log_note " -h, --help: print this usage" log_note " -s, --skip-build: reuse the most recently built image of the app instead of building" exit 1 fi pinniped_path="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)" cd "$pinniped_path" || exit 1 # # Check for dependencies # check_dependency docker "Please install docker. See https://docs.docker.com/get-docker" check_dependency kind "Please install kind. e.g. 'brew install kind' for MacOS" check_dependency ytt "Please install ytt. e.g. 'brew tap k14s/tap && brew install ytt' for MacOS" check_dependency kapp "Please install kapp. e.g. 'brew tap k14s/tap && brew install kapp' for MacOS" check_dependency kubectl "Please install kubectl. e.g. 'brew install kubectl' for MacOS" check_dependency htpasswd "Please install htpasswd. Should be pre-installed on MacOS. Usually found in 'apache2-utils' package for linux." # # Setup kind and build the app # log_note "Checking for running kind clusters..." if ! kind get clusters | grep -q -e '^kind$'; then log_note "Creating a kind cluster..." kind create cluster else if ! kubectl cluster-info | grep master | grep -q 127.0.0.1; then log_error "Seems like your kubeconfig is not targeting a local cluster." log_error "Exiting to avoid accidentally running tests against a real cluster." exit 1 fi fi registry="docker.io" repo="test/build" registry_repo="$registry/$repo" tag=$(uuidgen) # always a new tag to force K8s to reload the image on redeploy if [[ "$skip_build" == "yes" ]]; then most_recent_tag=$(docker images "$repo" --format "{{.Tag}}" | head -1) if [[ -n "$most_recent_tag" ]]; then tag="$most_recent_tag" do_build=no else # Oops, there was no previous build. Need to build anyway. do_build=yes fi else do_build=yes fi registry_repo_tag="${registry_repo}:${tag}" if [[ "$do_build" == "yes" ]]; then # Rebuild the code log_note "Docker building the app..." docker build . --tag "$registry_repo_tag" fi # Load it into the cluster log_note "Loading the app's container image into the kind cluster..." kind load docker-image "$registry_repo_tag" manifest=/tmp/manifest.yaml # # Deploy local-user-authenticator # pushd deploy-local-user-authenticator >/dev/null log_note "Deploying the local-user-authenticator app to the cluster..." ytt --file . \ --data-value "image_repo=$registry_repo" \ --data-value "image_tag=$tag" >"$manifest" kubectl apply --dry-run=client -f "$manifest" # Validate manifest schema. kapp deploy --yes --app local-user-authenticator --diff-changes --file "$manifest" popd >/dev/null test_username="test-username" test_groups="test-group-0,test-group-1" set +o pipefail test_password="$(cat /dev/urandom | env LC_CTYPE=C tr -dc 'a-z0-9' | fold -w 32 | head -n 1)" set -o pipefail if [[ ${#test_password} -ne 32 ]]; then log_error "Could not create test user's random password" exit 1 fi log_note "Creating test user '$test_username'..." kubectl create secret generic "$test_username" \ --namespace local-user-authenticator \ --from-literal=groups="$test_groups" \ --from-literal=passwordHash="$(htpasswd -nbBC 10 x "$test_password" | sed -e "s/^x://")" \ --dry-run=client \ --output yaml | kubectl apply -f - app_name="pinniped" namespace="integration" webhook_url="https://local-user-authenticator.local-user-authenticator.svc/authenticate" webhook_ca_bundle="$(kubectl get secret api-serving-cert --namespace local-user-authenticator -o 'jsonpath={.data.caCertificate}')" discovery_url="$(TERM=dumb kubectl cluster-info | awk '/Kubernetes master/ {print $NF}')" # # Deploy Pinniped # pushd deploy >/dev/null log_note "Deploying the Pinniped app to the cluster..." ytt --file . \ --data-value "app_name=$app_name" \ --data-value "namespace=$namespace" \ --data-value "image_repo=$registry_repo" \ --data-value "image_tag=$tag" \ --data-value "webhook_url=$webhook_url" \ --data-value "webhook_ca_bundle=$webhook_ca_bundle" \ --data-value "discovery_url=$discovery_url" >"$manifest" kubectl apply --dry-run=client -f "$manifest" # Validate manifest schema. kapp deploy --yes --app "$app_name" --diff-changes --file "$manifest" popd >/dev/null # # Create the environment file # kind_capabilities_file="$pinniped_path/test/cluster_capabilities/kind.yaml" pinniped_cluster_capability_file_content=$(cat "$kind_capabilities_file") cat </tmp/integration-test-env # The following env vars should be set before running 'go test -v -count 1 ./test/...' export PINNIPED_NAMESPACE=${namespace} export PINNIPED_APP_NAME=${app_name} export PINNIPED_TEST_USER_USERNAME=${test_username} export PINNIPED_TEST_USER_GROUPS=${test_groups} export PINNIPED_TEST_USER_TOKEN=${test_username}:${test_password} read -r -d '' PINNIPED_CLUSTER_CAPABILITY_YAML << PINNIPED_CLUSTER_CAPABILITY_YAML_EOF || true ${pinniped_cluster_capability_file_content} PINNIPED_CLUSTER_CAPABILITY_YAML_EOF export PINNIPED_CLUSTER_CAPABILITY_YAML EOF # # Print instructions for next steps # goland_vars=$(grep -v '^#' /tmp/integration-test-env | grep -E '^export .+=' | sed 's/export //g' | tr '\n' ';') log_note log_note "🚀 Ready to run integration tests! For example..." log_note " cd $pinniped_path" log_note ' source /tmp/integration-test-env && go test -v -count 1 ./test/...' log_note log_note 'Want to run integration tests in GoLand? Copy/paste this "Environment" value for GoLand run configurations:' log_note " ${goland_vars}PINNIPED_CLUSTER_CAPABILITY_FILE=${kind_capabilities_file}" log_note log_note "You can rerun this script to redeploy local production code changes while you are working." log_note log_note "To delete the deployments, run 'kapp delete -a local-user-authenticator -y && kapp delete -a pinniped -y'." log_note "When you're finished, use 'kind delete cluster' to tear down the cluster."