# This file contains common environment variables and setup logic for all test
# scripts. It assumes that the following environment variables are set by the
# Makefile:
#  - PLATFORM
#  - TAG
#  - SHA
#  - ARTIFACTS
#  - TALOSCTL
#  - INTEGRATION_TEST
#  - KUBECTL
#  - SONOBUOY
#  - SHORT_INTEGRATION_TEST
#  - CUSTOM_CNI_URL
#  - IMAGE
#  - INSTALLER_IMAGE

set -eoux pipefail

TMP="/tmp/e2e/${PLATFORM}"
mkdir -p "${TMP}"

# Talos

export TALOSCONFIG="${TMP}/talosconfig"
export TALOS_VERSION=v0.9

# Kubernetes

export KUBECONFIG="${TMP}/kubeconfig"
export K8S_VERSION=1.20.6

# Sonobuoy

export SONOBUOY_MODE=${SONOBUOY_MODE:-quick}

export NAME_PREFIX="talos-e2e-${SHA}-${PLATFORM}"
export TIMEOUT=1200
export NUM_NODES=6

# default values, overridden by talosctl cluster create tests
PROVISIONER=
CLUSTER_NAME=

cleanup_capi() {
  ${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig delete cluster ${NAME_PREFIX}
}

# Create a cluster via CAPI.
function create_cluster_capi {
  trap cleanup_capi EXIT

  ${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig apply -f ${TMP}/cluster.yaml

  # Wait for first controlplane machine to have a name
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until [ -n "$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine -l cluster.x-k8s.io/control-plane,cluster.x-k8s.io/cluster-name=${NAME_PREFIX} --all-namespaces -o json | jq -re '.items[0].metadata.name | select (.!=null)')" ]; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    sleep 10
    ${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine -l cluster.x-k8s.io/control-plane,cluster.x-k8s.io/cluster-name=${NAME_PREFIX} --all-namespaces
  done

  FIRST_CP_NODE=$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine -l cluster.x-k8s.io/control-plane,cluster.x-k8s.io/cluster-name=${NAME_PREFIX} --all-namespaces -o json | jq -r '.items[0].metadata.name')

  # Wait for first controlplane machine to have a talosconfig ref
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until [ -n "$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine ${FIRST_CP_NODE} -o json | jq -re '.spec.bootstrap.configRef.name | select (.!=null)')" ]; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    sleep 10
  done

  FIRST_CP_TALOSCONFIG=$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine ${FIRST_CP_NODE} -o json | jq -re '.spec.bootstrap.configRef.name')

  # Wait for talosconfig in cm then dump it out
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until [ -n "$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get talosconfig ${FIRST_CP_TALOSCONFIG} -o jsonpath='{.status.talosConfig}')" ]; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    sleep 10
  done
  ${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get talosconfig ${FIRST_CP_TALOSCONFIG} -o jsonpath='{.status.talosConfig}' > ${TALOSCONFIG}

  # Wait until we have an IP for first controlplane node
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until [ -n "$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine -o go-template --template='{{range .status.addresses}}{{if eq .type "ExternalIP"}}{{.address}}{{end}}{{end}}' ${FIRST_CP_NODE})" ]; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    sleep 10
  done

  MASTER_IP=$(${KUBECTL} --kubeconfig /tmp/e2e/docker/kubeconfig get machine -o go-template --template='{{range .status.addresses}}{{if eq .type "ExternalIP"}}{{.address}}{{end}}{{end}}' ${FIRST_CP_NODE})
  "${TALOSCTL}" config endpoint "${MASTER_IP}"
  "${TALOSCTL}" config node "${MASTER_IP}"

  # Wait for the kubeconfig from first cp node
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until get_kubeconfig; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    sleep 10
  done

  # Wait for nodes to check in
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until ${KUBECTL} get nodes -o go-template='{{ len .items }}' | grep ${NUM_NODES} >/dev/null; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    ${KUBECTL} get nodes -o wide && :
    sleep 10
  done

  # Wait for nodes to be ready
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until ${KUBECTL} wait --timeout=1s --for=condition=ready=true --all nodes > /dev/null; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    ${KUBECTL} get nodes -o wide && :
    sleep 10
  done

  # Verify that we have an HA controlplane
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until ${KUBECTL} get nodes -l node-role.kubernetes.io/master='' -o go-template='{{ len .items }}' | grep 3 > /dev/null; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    ${KUBECTL} get nodes -l node-role.kubernetes.io/master='' && :
    sleep 10
  done
}

function run_talos_integration_test {
  case "${SHORT_INTEGRATION_TEST:-no}" in
    yes|true|y)
      TEST_SHORT="-test.short"
      ;;
    *)
      TEST_SHORT=""
      ;;
    esac

  case "${INTEGRATION_TEST_RUN:-no}" in
    no)
      TEST_RUN="-test.run ."
      ;;
    *)
      TEST_RUN="-test.run ${INTEGRATION_TEST_RUN}"
      ;;
    esac

  "${INTEGRATION_TEST}" -test.v -talos.failfast -talos.talosctlpath "${TALOSCTL}" -talos.kubectlpath "${KUBECTL}" -talos.provisioner "${PROVISIONER}" -talos.name "${CLUSTER_NAME}" ${TEST_RUN} ${TEST_SHORT}
}

function run_talos_integration_test_docker {
  case "${SHORT_INTEGRATION_TEST:-no}" in
    yes|true|y)
      TEST_SHORT="-test.short"
      ;;
    *)
      TEST_SHORT=""
      ;;
    esac

  case "${INTEGRATION_TEST_RUN:-no}" in
    no)
      TEST_RUN="-test.run ."
      ;;
    *)
      TEST_RUN="-test.run ${INTEGRATION_TEST_RUN}"
      ;;
    esac

  "${INTEGRATION_TEST}" -test.v -talos.talosctlpath "${TALOSCTL}" -talos.kubectlpath "${KUBECTL}" -talos.k8sendpoint 127.0.0.1:6443 -talos.provisioner "${PROVISIONER}" -talos.name "${CLUSTER_NAME}" ${TEST_RUN} ${TEST_SHORT}
}

function run_kubernetes_integration_test {
  timeout=$(($(date +%s) + ${TIMEOUT}))
  until ${SONOBUOY} run \
    --kubeconfig ${KUBECONFIG} \
    --wait \
    --skip-preflight \
    --plugin e2e \
    --mode ${SONOBUOY_MODE}; do
    [[ $(date +%s) -gt $timeout ]] && exit 1
    echo "re-attempting to run sonobuoy"
    ${SONOBUOY} delete --all --wait --kubeconfig ${KUBECONFIG}
    sleep 10
  done
  ${SONOBUOY} status --kubeconfig ${KUBECONFIG} --json | jq . | tee ${TMP}/sonobuoy-status.json
  if [ $(cat ${TMP}/sonobuoy-status.json | jq -r '.plugins[] | select(.plugin == "e2e") | ."result-status"') != 'passed' ]; then exit 1; fi
}

function run_control_plane_cis_benchmark {
  ${KUBECTL} apply -f ${PWD}/hack/test/cis/kube-bench-master.yaml
  ${KUBECTL} wait --timeout=300s --for=condition=complete job/kube-bench-master > /dev/null
  ${KUBECTL} logs job/kube-bench-master
}

function run_worker_cis_benchmark {
  ${KUBECTL} apply -f ${PWD}/hack/test/cis/kube-bench-node.yaml
  ${KUBECTL} wait --timeout=300s --for=condition=complete job/kube-bench-node > /dev/null
  ${KUBECTL} logs job/kube-bench-node
}

function get_kubeconfig {
  rm -f "${TMP}/kubeconfig"
  "${TALOSCTL}" kubeconfig "${TMP}"
}

function dump_cluster_state {
  nodes=$(${KUBECTL} get nodes -o jsonpath="{.items[*].status.addresses[?(@.type == 'InternalIP')].address}" | tr [:space:] ',')
  "${TALOSCTL}" -n ${nodes} services
  ${KUBECTL} get nodes -o wide
  ${KUBECTL} get pods --all-namespaces -o wide
}

function build_registry_mirrors {
  if [[ "${CI:-false}" == "true" ]]; then
    REGISTRY_MIRROR_FLAGS=

    for registry in docker.io ghcr.io k8s.gcr.io quay.io gcr.io registry.dev.talos-systems.io; do
      local service="registry-${registry//./-}.ci.svc"
      local addr=`python3 -c "import socket; print(socket.gethostbyname('${service}'))"`

      REGISTRY_MIRROR_FLAGS="${REGISTRY_MIRROR_FLAGS} --registry-mirror ${registry}=http://${addr}:5000"
    done
  else
    REGISTRY_MIRROR_FLAGS=
  fi
}
