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test_e2e.sh
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#!/bin/bash
# shellcheck disable=SC2181,SC2155,SC2128
#
# Copyright 2021 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
source "${SCRIPT_DIR}"/utils.sh
source "${SCRIPT_DIR}"/common.sh
source "${SCRIPT_DIR}"/test_skip_list.sh
if [[ $OSTYPE == 'darwin'* ]]; then
info_message "The kpng build script only works on linux... Exiting now!"
exit 1
fi
shopt -s expand_aliases
: "${E2E_GO_VERSION:="1.18.4"}"
: "${E2E_TIMEOUT_MINUTES:=100}"
: "${E2E_K8S_VERSION:="v1.27.1"}"
CONTAINER_ENGINE="docker"
KPNG_IMAGE_TAG_NAME="kpng:test"
KUBECONFIG_TESTS="kubeconfig_tests.conf"
# ginkgo
GINKGO_NUMBER_OF_NODES=25
GINKGO_FOCUS=${GINKGO_FOCUS:-"\[Conformance\]|\[sig-network\]"}
GINKGO_SKIP_TESTS="machinery|Feature|Federation|PerformanceDNS|Disruptive|Serial|LoadBalancer|KubeProxy|GCE|Netpol|NetworkPolicy"
GINKGO_REPORT_DIR="artifacts/reports"
GINKGO_DUMP_LOGS_ON_FAILURE=false
GINKGO_DISABLE_LOG_DUMP=true
GINKGO_PROVIDER="local"
function if_error_warning {
###########################################################################
# Description: #
# Validate if previous command failed and show an error msg (if provided) #
# #
# Arguments: #
# arg1 - error message if not provided, it will just exit #
###########################################################################
if [ "$?" != "0" ]; then
if [ -n "$1" ]; then
RED="\033[91m"
ENDCOLOR="\033[0m"
echo -e "[ ${RED}FAILED${ENDCOLOR} ] ${1}"
fi
fi
}
function result_message {
###########################################################################
# Description: #
# show [FAILED] in red and a message. #
# #
# Arguments: #
# arg1 - result #
# arg2 - message to output #
###########################################################################
[ $# -eq 2 ]
if_error_exit "result_message: $# Wrong number of arguments to ${FUNCNAME[0]}... args: $#"
local result=${1}
local message="${2}"
if [ -z "${result}" ]; then
echo "result_message() requires a message"
exit 1
fi
RED="\033[91m"
GREEN="\033[92m"
ENDCOLOR="\033[0m"
if [ "${result}" == "0" ] ; then
echo -e "${GREEN}[SUCCESS!] ${message} succeded!!! ${ENDCOLOR}"
else
echo -e "${RED}[FAIL!] ${message} failed!!! ${ENDCOLOR}"
fi
}
function detect_container_engine {
###########################################################################
# Description: #
# Detect Container Engine, by default it is docker but developers might #
# use real alternatives like podman. The project welcome both. #
# #
# Arguments: #
# None #
###########################################################################
# If docker is not available, let's check if podman exists
${CONTAINER_ENGINE} &> /dev/null
if [ "$?" != "0" ]; then
CONTAINER_ENGINE="podman"
${CONTAINER_ENGINE} --help &> /dev/null
if_error_exit "the e2e tests currently support docker and podman as the container engine. Please install either of them"
fi
pass_message "Detected Container Engine: ${CONTAINER_ENGINE}"
}
function container_build {
###########################################################################
# Description: #
# build a container image for KPNG #
# #
# Arguments: #
# arg1: Path for E2E installation directory, or the empty string #
# arg2: ci_mode #
###########################################################################
[ $# -eq 2 ]
if_error_exit "container_build args $# Wrong number of arguments to ${FUNCNAME[0]}... args: $#"
local CONTAINER_FILE=${1}
local ci_mode=${2}
# Running locally it's not necessary to show all info
QUIET_MODE="--quiet"
if [ "${ci_mode}" = true ] ; then
QUIET_MODE=""
fi
[ -f "${CONTAINER_FILE}" ]
if_error_exit "cannot find ${CONTAINER_FILE}"
CMD_BUILD_IMAGE=("${CONTAINER_ENGINE} build ${QUIET_MODE} -t ${KPNG_IMAGE_TAG_NAME} -f ${CONTAINER_FILE} .")
pushd "${0%/*}/.." > /dev/null || exit
if [ -z "${QUIET_MODE}" ]; then
${CMD_BUILD_IMAGE}
else
${CMD_BUILD_IMAGE} &> /dev/null
fi
if_error_exit "Failed to build kpng, command was: ${CMD_BUILD_IMAGE}"
popd > /dev/null || exit
pass_message "Image build and tag ${KPNG_IMAGE_TAG_NAME} is set."
}
function delete_kind_cluster {
###########################################################################
# Description: #
# delete kind cluster #
# #
# Arguments: #
# arg1: cluster name #
# arg2: bin_dir, path to binary directory #
###########################################################################
[ $# -eq 2 ]
if_error_exit "delete kind $# Wrong number of arguments to ${FUNCNAME[0]}"
local cluster_name="${1}"
local bin_dir="${2}"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/kind" ]
if_error_exit "File \"${bin_dir}/kind\" does not exist"
if "${bin_dir}/kind" get clusters | grep -q "${cluster_name}" &> /dev/null; then
"${bin_dir}/kind" delete cluster --name "${cluster_name}" &> /dev/null
if_error_warning "cannot delete cluster ${cluster_name}"
pass_message "Cluster ${cluster_name} deleted."
fi
}
function create_cluster {
###########################################################################
# Description: #
# Create kind cluster #
# #
# Arguments: #
# arg1: cluster name #
# arg2: bin_dir, path to binary directory #
# arg3: IP family #
# arg4: artifacts directory #
# arg5: ci_mode #
###########################################################################
[ $# -eq 5 ]
if_error_exit "create kind $# Wrong number of arguments to ${FUNCNAME[0]}"
local cluster_name=${1}
local bin_dir="${2}"
local ip_family=${3}
local artifacts_directory=${4}
local ci_mode=${5}
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/kind" ]
if_error_exit "File \"${bin_dir}/kind\" does not exist"
[ -f "${bin_dir}/kubectl" ]
if_error_exit "File \"${bin_dir}/kubectl\" does not exist"
# Get rid of any old cluster with the same name.
if "${bin_dir}/kind" get clusters | grep -q "${cluster_name}" &> /dev/null; then
"${bin_dir}/kind" delete cluster --name "${cluster_name}" &> /dev/null
if_error_exit "cannot delete cluster ${cluster_name}"
pass_message "Previous cluster ${cluster_name} deleted."
fi
# Default Log level for all components in test clusters
local kind_cluster_log_level=${KIND_CLUSTER_LOG_LEVEL:-4}
local kind_log_level="-v3"
if [ "${ci_mode}" = true ] ; then
kind_log_level="-v7"
fi
# potentially enable --logging-format
local scheduler_extra_args=" \"v\": \"${kind_cluster_log_level}\""
local controllerManager_extra_args=" \"v\": \"${kind_cluster_log_level}\""
local apiServer_extra_args=" \"v\": \"${kind_cluster_log_level}\""
# local kubelet_extra_args=" \"v\": \"${kind_cluster_log_level}\""
# JSON map injected into featureGates config
# local feature_gates='{"AllAlpha":false,"AllBeta":false}'
# --runtime-config argument value passed to the API server
# local runtime_config='{"api/alpha":"false", "api/beta":"false"}'
if [ -n "$CLUSTER_LOG_FORMAT" ]; then
scheduler_extra_args="${scheduler_extra_args}\"logging-format\": \"${CLUSTER_LOG_FORMAT}\""
controllerManager_extra_args="${controllerManager_extra_args}\"logging-format\": \"${CLUSTER_LOG_FORMAT}\""
apiServer_extra_args="${apiServer_extra_args}\"logging-format\": \"${CLUSTER_LOG_FORMAT}\""
fi
case $ip_family in
ipv4 )
CLUSTER_CIDR="${CLUSTER_CIDR_V4}"
SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE_V4}"
;;
ipv6 )
CLUSTER_CIDR="${CLUSTER_CIDR_V6}"
SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE_V6}"
;;
dual )
CLUSTER_CIDR="${CLUSTER_CIDR_V4},${CLUSTER_CIDR_V6}"
SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE_V4},${SERVICE_CLUSTER_IP_RANGE_V6}"
;;
esac
info_message "Preparing to setup ${cluster_name} cluster ..."
# create cluster
# create the config file
cat <<EOF > "${artifacts_directory}/kind-config.yaml"
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
ipFamily: "${ip_family}"
podSubnet: "${CLUSTER_CIDR}"
serviceSubnet: "${SERVICE_CLUSTER_IP_RANGE}"
nodes:
- role: control-plane
- role: worker
- role: worker
EOF
# get correct sha for K8S image version
# using sha values from here https://github.com/kubernetes-sigs/kind/releases
case ${E2E_K8S_VERSION} in
v1.27.1 )
E2E_K8S_SHA="@sha256:9915f5629ef4d29f35b478e819249e89cfaffcbfeebda4324e5c01d53d937b09"
;;
v1.27.0 )
E2E_K8S_SHA="@sha256:c6b22e613523b1af67d4bc8a0c38a4c3ea3a2b8fbc5b367ae36345c9cb844518"
;;
v1.26.3 )
E2E_K8S_SHA="@sha256:61b92f38dff6ccc29969e7aa154d34e38b89443af1a2c14e6cfbd2df6419c66f"
;;
v1.25.8 )
E2E_K8S_SHA="@sha256:00d3f5314cc35327706776e95b2f8e504198ce59ac545d0200a89e69fce10b7f"
;;
v1.24.12 )
E2E_K8S_SHA="@sha256:1e12918b8bc3d4253bc08f640a231bb0d3b2c5a9b28aa3f2ca1aee93e1e8db16"
;;
v1.23.17 )
E2E_K8S_SHA="@sha256:e5fd1d9cd7a9a50939f9c005684df5a6d145e8d695e78463637b79464292e66c"
;;
v1.22.17 )
E2E_K8S_SHA="@sha256:c8a828709a53c25cbdc0790c8afe12f25538617c7be879083248981945c38693"
;;
v1.21.14 )
E2E_K8S_SHA="@sha256:27ef72ea623ee879a25fe6f9982690a3e370c68286f4356bf643467c552a3888"
;;
esac
"${bin_dir}/kind" create cluster \
--name "${cluster_name}" \
--image "${KINDEST_NODE_IMAGE}":"${E2E_K8S_VERSION}""${E2E_K8S_SHA}" \
--retain \
--wait=1m \
"${kind_log_level}" \
"--config=${artifacts_directory}/kind-config.yaml"
if_error_exit "cannot create kind cluster ${cluster_name}"
# Patch kube-proxy to set the verbosity level
"${bin_dir}/kubectl" patch -n kube-system daemonset/kube-proxy \
--type='json' -p='[{"op": "add", "path": "/spec/template/spec/containers/0/command/-", "value": "--v='"${kind_cluster_log_level}"'" }]'
"${bin_dir}/kind" get kubeconfig --internal --name "${cluster_name}" > "${artifacts_directory}/kubeconfig.conf"
"${bin_dir}/kind" get kubeconfig --name "${cluster_name}" > "${artifacts_directory}/${KUBECONFIG_TESTS}"
# IPv6 clusters need some CoreDNS changes in order to work in k8s CI:
# 1. k8s CI doesn´t offer IPv6 connectivity, so CoreDNS should be configured
# to work in an offline environment:
# https://github.com/coredns/coredns/issues/2494#issuecomment-457215452
# 2. k8s CI adds following domains to resolv.conf search field:
# c.k8s-prow-builds.internal google.internal.
# CoreDNS should handle those domains and answer with NXDOMAIN instead of SERVFAIL
# otherwise pods stops trying to resolve the domain.
#
if [ "${ip_family}" = "ipv6" ]; then
local k8s_context="kind-${cluster_name}"
# Get the current config
local original_coredns=$("${bin_dir}/kubectl" --context "${k8s_context}" get -oyaml -n=kube-system configmap/coredns)
info_message "Original CoreDNS config:"
info_message "${original_coredns}"
# Patch it
local fixed_coredns=$(
printf '%s' "${original_coredns}" | sed \
-e 's/^.*kubernetes cluster\.local/& internal/' \
-e '/^.*upstream$/d' \
-e '/^.*fallthrough.*$/d' \
-e '/^.*forward . \/etc\/resolv.conf$/d' \
-e '/^.*loop$/d' \
)
info_message "Patched CoreDNS config:"
info_message "${fixed_coredns}"
printf '%s' "${fixed_coredns}" | "${bin_dir}/kubectl" --context "${k8s_context}" apply -f -
fi
pass_message "Cluster ${cluster_name} is created."
}
function wait_until_cluster_is_ready {
###########################################################################
# Description: #
# Wait pods with selector k8s-app=kube-dns be ready and operational #
# #
# Arguments: #
# arg1: cluster name #
# arg2: bin_dir, path to binary directory #
# arg2: ci_mode #
###########################################################################
[ $# -eq 3 ]
if_error_exit "wait until cluster $# Wrong number of arguments to ${FUNCNAME[0]}"
local cluster_name="${1}"
local bin_dir="${2}"
local ci_mode=${3}
local k8s_context="kind-${cluster_name}"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/kubectl" ]
if_error_exit "File \"${bin_dir}/kubectl\" does not exist"
"${bin_dir}/kubectl" --context "${k8s_context}" wait \
--for=condition=ready \
pods \
--namespace="${NAMESPACE}" \
--selector k8s-app=kube-dns 1> /dev/null
if [ "${ci_mode}" = true ] ; then
"${bin_dir}/kubectl" --context "${k8s_context}" get nodes -o wide
if_error_exit "unable to show nodes"
"${bin_dir}/kubectl" --context "${k8s_context}" get pods --all-namespaces
if_error_exit "error getting pods from all namespaces"
fi
pass_message "${cluster_name} is operational."
}
function install_kpng {
###########################################################################
# Description: #
# Install KPNG following these steps: #
# - removes existing kube-proxy #
# - load kpng container image #
# - create service account, clusterbinding and configmap for kpng #
# - deploy kpng from the template generated #
# #
# Arguments: #
# arg1: cluster name #
# arg2: bin_dir, path to binary directory #
###########################################################################
[ $# -eq 2 ]
if_error_exit "install kpng Wrong number of arguments to ${FUNCNAME[0]}"
local cluster_name="${1}"
local bin_dir="${2}"
local k8s_context="kind-${cluster_name}"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/kubectl" ]
if_error_exit "File \"${bin_dir}/kubectl\" does not exist"
# remove kube-proxy
"${bin_dir}/kubectl" --context "${k8s_context}" delete \
--namespace "${NAMESPACE}" \
daemonset.apps/kube-proxy 1> /dev/null
if_error_exit "cannot delete delete daemonset.apps kube-proxy"
pass_message "Removed daemonset.apps/kube-proxy."
# preload kpng image
# TODO move this to ci:
# docker load --input kpng-image.tar
CMD_KIND_LOAD_KPNG_TEST_IMAGE=("kind load docker-image ${KPNG_IMAGE_TAG_NAME} --name ${cluster_name}")
${CMD_KIND_LOAD_KPNG_TEST_IMAGE} &> /dev/null
if_error_exit "error loading image to kind, command was: ${CMD_KIND_LOAD_KPNG_TEST_IMAGE}"
pass_message "Loaded ${KPNG_IMAGE_TAG_NAME} container image."
# TODO this should be part of the template
"${bin_dir}/kubectl" --context "${k8s_context}" create serviceaccount \
--namespace "${NAMESPACE}" \
"${SERVICE_ACCOUNT_NAME}" 1> /dev/null
if_error_exit "error creating serviceaccount ${SERVICE_ACCOUNT_NAME}"
pass_message "Created service account ${SERVICE_ACCOUNT_NAME}."
"${bin_dir}/kubectl" --context "${k8s_context}" create clusterrolebinding \
"${CLUSTER_ROLE_BINDING_NAME}" \
--clusterrole="${CLUSTER_ROLE_NAME}" \
--serviceaccount="${NAMESPACE}":"${SERVICE_ACCOUNT_NAME}" 1> /dev/null
if_error_exit "error creating clusterrolebinding ${CLUSTER_ROLE_BINDING_NAME}"
pass_message "Created clusterrolebinding ${CLUSTER_ROLE_BINDING_NAME}."
"${bin_dir}/kubectl" --context "${k8s_context}" create configmap \
"${CONFIG_MAP_NAME}" \
--namespace "${NAMESPACE}" \
--from-file "${artifacts_directory}/kubeconfig.conf" 1> /dev/null
if_error_exit "error creating configmap ${CONFIG_MAP_NAME}"
pass_message "Created configmap ${CONFIG_MAP_NAME}."
# TODO this is hacky we should build the KPNG args one level at a time...i.e
# Data source + Flags -> KPNG sink + flags
E2E_SERVER_ARGS="'kube', '--kubeconfig=/var/lib/kpng/kubeconfig.conf', 'to-api', '--listen=unix:///k8s/proxy.sock'"
E2E_BACKEND_ARGS="'local', '--api=${KPNG_SERVER_ADDRESS}', 'to-${E2E_BACKEND}', '--v=${KPNG_DEBUG_LEVEL}'"
if [[ "$E2E_EXPORT_METRICS" == "true" ]]; then
info_message "Enabling Metrics"
E2E_SERVER_ARGS="'kube', '--kubeconfig=/var/lib/kpng/kubeconfig.conf', '--exportMetrics=0.0.0.0:9099', 'to-api', '--listen=unix:///k8s/proxy.sock'"
E2E_BACKEND_ARGS="'local', '--api=${KPNG_SERVER_ADDRESS}', '--exportMetrics=0.0.0.0:9098', 'to-${E2E_BACKEND}', '--v=${KPNG_DEBUG_LEVEL}'"
fi
if [[ "${E2E_DEPLOYMENT_MODEL}" == "single-process-per-node" ]]; then
E2E_BACKEND_ARGS="'kube', '--kubeconfig=/var/lib/kpng/kubeconfig.conf', 'to-local', 'to-${E2E_BACKEND}', '--v=${KPNG_DEBUG_LEVEL}'"
if [[ "$E2E_EXPORT_METRICS" ]]; then
info_message "Enabling Metrics"
E2E_BACKEND_ARGS="'kube', '--kubeconfig=/var/lib/kpng/kubeconfig.conf', '--exportMetrics=0.0.0.0:9099', 'to-local', 'to-${E2E_BACKEND}', '--v=${KPNG_DEBUG_LEVEL}'"
fi
fi
if [[ "${E2E_BACKEND}" == "nft" ]]; then
case $ip_family in
ipv4 ) E2E_BACKEND_ARGS="$E2E_BACKEND_ARGS, '--cluster-cidrs=${CLUSTER_CIDR_V4}'" ;;
ipv6 ) E2E_BACKEND_ARGS="$E2E_BACKEND_ARGS, '--cluster-cidrs=${CLUSTER_CIDR_V6}'" ;;
dual ) E2E_BACKEND_ARGS="$E2E_BACKEND_ARGS, '--cluster-cidrs=${CLUSTER_CIDR_V4}', '--cluster-cidrs=${CLUSTER_CIDR_V6}'" ;;
esac
fi
E2E_BACKEND_ARGS="[$E2E_BACKEND_ARGS]"
E2E_SERVER_ARGS="[$E2E_SERVER_ARGS]"
# Setting vars for generate the kpng deployment based on template
export kpng_image="${KPNG_IMAGE_TAG_NAME}"
export image_pull_policy="IfNotPresent"
export backend="${E2E_BACKEND}"
export config_map_name="${CONFIG_MAP_NAME}"
export service_account_name="${SERVICE_ACCOUNT_NAME}"
export namespace="${NAMESPACE}"
export e2e_backend_args="${E2E_BACKEND_ARGS}"
export deployment_model="${E2E_DEPLOYMENT_MODEL}"
export e2e_server_args="${E2E_SERVER_ARGS}"
go run "${SCRIPT_DIR}"/kpng-ds-yaml-gen.go "${SCRIPT_DIR}"/kpng-deployment-ds-template.txt "${artifacts_directory}"/kpng-deployment-ds.yaml
if_error_exit "error generating kpng deployment YAML"
"${bin_dir}/kubectl" --context "${k8s_context}" create -f "${artifacts_directory}"/kpng-deployment-ds.yaml 1> /dev/null
if_error_exit "error creating kpng deployment"
"${bin_dir}/kubectl" --context "${k8s_context}" --namespace="${NAMESPACE}" rollout status daemonset kpng -w --request-timeout=3m 1> /dev/null
if_error_exit "timeout waiting kpng rollout"
pass_message "Installation of kpng is done.\n"
}
function run_tests {
###########################################################################
# Description: #
# Execute the tests with ginkgo #
# #
# Arguments: #
# arg1: e2e directory #
# arg2: bin_dir, path to binary directory #
# arg3: parallel ginkgo tests boolean #
# arg4: ip_family #
# arg5: backend #
# arg6: include specific failed tests #
###########################################################################
[ $# -eq 6 ]
if_error_exit "exec tests $# Wrong number of arguments to ${FUNCNAME[0]}"
local e2e_dir="${1}"
local bin_dir="${2}"
local parallel="${3}"
local ip_family="${4}"
local backend="${5}"
local include_specific_failed_tests="${6}"
local artifacts_directory="${e2e_dir}/artifacts"
[ -f "${artifacts_directory}/${KUBECONFIG_TESTS}" ]
if_error_exit "Directory \"${artifacts_directory}/${KUBECONFIG_TESTS}\" does not exist"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/e2e.test" ]
if_error_exit "File \"${bin_dir}/e2e.test\" does not exist"
[ -f "${bin_dir}/ginkgo" ]
if_error_exit "File \"${bin_dir}/ginkgo\" does not exist"
# ginkgo regexes
local ginkgo_skip="${GINKGO_SKIP_TESTS:-}"
local ginkgo_focus=${GINKGO_FOCUS:-"\\[Conformance\\]"}
# if we set PARALLEL=true, skip serial tests set --ginkgo-parallel
if [ "${parallel}" = "true" ]; then
export GINKGO_PARALLEL=y
if [ -z "${skip}" ]; then
ginkgo_skip="\\[Serial\\]"
else
ginkgo_skip="\\[Serial\\]|${ginkgo_skip}"
fi
fi
if [ "${include_specific_failed_tests}" == "false" ] ; then
# find ip_type and backend specific skip sets
skip_set_name="GINKGO_SKIP_${ip_family}_${backend}_TEST"
declare -n skip_set_ref=${skip_set_name}
if ! [ -z "${skip_set_ref}" ] ; then
ginkgo_skip="${ginkgo_skip}|${skip_set_ref}"
fi
fi
# setting this env prevents ginkgo e2e from trying to run provider setup
export KUBERNETES_CONFORMANCE_TEST='y'
# setting these is required to make RuntimeClass tests work ... :/
export KUBE_CONTAINER_RUNTIME=remote
export KUBE_CONTAINER_RUNTIME_ENDPOINT=unix:///run/containerd/containerd.sock
export KUBE_CONTAINER_RUNTIME_NAME=containerd
"${bin_dir}/ginkgo" --nodes="${GINKGO_NUMBER_OF_NODES}" \
--focus="${ginkgo_focus}" \
--skip="${ginkgo_skip}" \
"${bin_dir}/e2e.test" \
-- \
--kubeconfig="${artifacts_directory}/${KUBECONFIG_TESTS}" \
--provider="${GINKGO_PROVIDER}" \
--dump-logs-on-failure="${GINKGO_DUMP_LOGS_ON_FAILURE}" \
--report-dir="${GINKGO_REPORT_DIR}" \
--disable-log-dump="${GINKGO_DISABLE_LOG_DUMP}"
return $?
}
function clean_artifacts {
###########################################################################
# Description: #
# Clean all artifacts and export kind logs #
# #
# Arguments: #
# arg1: Path for E2E installation directory #
# arg2: bin_dir, path to binary directory #
###########################################################################
[ $# -eq 2 ]
if_error_exit "clean artifacts $# Wrong number of arguments to ${FUNCNAME[0]}"
local e2e_dir="${1}"
local bin_dir="${2}"
local log_dir="${E2E_LOGS:-${e2e_dir}/artifacts/logs}"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
[ -f "${bin_dir}/kind" ]
if_error_exit "File \"${bin_dir}/kind\" does not exist"
"${bin_dir}/kind" export \
logs \
--name="$(cat "${e2e_dir}/clustername")" \
"${log_dir}"
if_error_exit "cannot export kind logs"
#TODO in local mode to avoid the overwriting of artifacts from test to test
# add logic to this function that moves the content of artifacts
# to a dir named clustername+date+time
pass_message "make sure to safe your result before the next run."
}
function set_e2e_dir {
###########################################################################
# Description: #
# Set E2E directory #
# #
# Arguments: #
# arg1: Path for E2E installation directory #
# arg2: binary directory, path to where ginko will be installed #
###########################################################################
[ $# -eq 2 ]
if_error_exit "set e2e $# Wrong number of arguments to ${FUNCNAME[0]}"
local e2e_dir="${1}"
local bin_dir="${2}"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
pushd "${0%/*}" > /dev/null || exit
mkdir -p "${e2e_dir}"
mkdir -p "${e2e_dir}/artifacts"
popd > /dev/null || exit
}
function prepare_container {
###########################################################################
# Description: #
# Prepare container #
# #
# Arguments: #
# arg1: Path of dockerfile #
# arg2: ci_mode #
###########################################################################
[ $# -eq 2 ]
if_error_exit "prepare_cont $# Wrong number of arguments to ${FUNCNAME[0]}"
local dockerfile="${1}"
local ci_mode="${2}"
# Detect container engine
detect_container_engine
container_build "${dockerfile}" "${ci_mode}"
}
function create_infrastructure_and_run_tests {
###########################################################################
# Description: #
# create_infrastructure_and_run_tests #
# #
# Arguments: #
# arg1: Path for E2E installation directory #
# arg2: ip_family #
# arg3: backend #
# arg4: bin_dir #
# arg5: suffix #
# arg6: developer_mode #
# arg7: <ci_mode> #
# arg8: deployment_model #
# arg9: export_metrics #
# arg10: include_specific_failed_tests #
###########################################################################
[ $# -eq 10 ]
if_error_exit "create and run $# Wrong number of arguments to ${FUNCNAME[0]}"
local e2e_dir="${1}"
local ip_family="${2}"
local backend="${3}"
local bin_dir="${4}"
local suffix="${5}"
local devel_mode="${6}"
local ci_mode="${7}"
local deployment_model="${8}"
local export_metrics="${9}"
local include_specific_failed_tests="${10}"
local artifacts_directory="${e2e_dir}/artifacts"
local cluster_name="kpng-e2e-${ip_family}-${backend}${suffix}"
export E2E_DIR="${e2e_dir}"
export E2E_ARTIFACTS="${artifacts_directory}"
export E2E_CLUSTER_NAME="${cluster_name}"
export E2E_IP_FAMILY="${ip_family}"
export E2E_BACKEND="${backend}"
export E2E_DEPLOYMENT_MODEL="${deployment_model}"
export E2E_EXPORT_METRICS="${export_metrics}"
[ -d "${artifacts_directory}" ]
if_error_exit "Directory \"${artifacts_directory}\" does not exist"
[ -d "${bin_dir}" ]
if_error_exit "Directory \"${bin_dir}\" does not exist"
info_message "${cluster_name}"
create_cluster "${cluster_name}" "${bin_dir}" "${ip_family}" "${artifacts_directory}" "${ci_mode}"
wait_until_cluster_is_ready "${cluster_name}" "${bin_dir}" "${ci_mode}"
echo "${cluster_name}" > "${e2e_dir}"/clustername
if [ "${backend}" != "not-kpng" ] ; then
install_kpng "${cluster_name}" "${bin_dir}"
fi
local result=0
if ! ${devel_mode} ; then
run_tests "${e2e_dir}" "${bin_dir}" "false" "${ip_family}" "${backend}" "${include_specific_failed_tests}"
result=$?
#need to clean this up
if [ "${ci_mode}" = false ] ; then
clean_artifacts "${e2e_dir}" "${bin_dir}"
fi
fi
return ${result}
}
function delete_kind_clusters {
###########################################################################
# Description: #
# delete_kind_clusters #
# #
# Arguments: #
# arg1: bin_dir #
# arg2: ip_family #
# arg3: backend #
# arg4: suffix #
# arg5: cluser_count #
###########################################################################
echo "+==================================================================+"
echo -e "\t\tErasing kind clusters"
echo "+==================================================================+"
[ $# -eq 5 ]
if_error_exit "Erase kind $# Wrong number of arguments to ${FUNCNAME[0]}"
# setting up variables
local bin_dir="${1}"
local ip_family="${2}"
local backend="${3}"
local suffix="${4}"
local cluster_count="${5}"
add_to_path "${bin_dir}"
[ "${cluster_count}" -ge "1" ]
if_error_exit "cluster_count must be larger or equal to one"
local cluster_name_base="kpng-e2e-${ip_family}-${backend}"
if [ "${cluster_count}" -eq "1" ] ; then
local tmp_suffix=${suffix:+"-${suffix}"}
delete_kind_cluster "${cluster_name_base}${tmp_suffix}" "${bin_dir}"
else
for i in $(seq "${cluster_count}"); do
local tmp_suffix="-${suffix}${i}"
delete_kind_cluster "${cluster_name_base}${tmp_suffix}" "${bin_dir}"
done
fi
}
function print_reports {
###########################################################################
# Description: #
# print_reports #
# #
# Arguments: #
# arg1: ip_family #
# arg2: backend #
# arg3: e2e_directory #
# arg4: suffix #
# arg5: cluster_count #
###########################################################################
[ $# -eq 5 ]
if_error_exit "create infra + run $# Wrong number of arguments to ${FUNCNAME[0]}"
# setting up variables
local ip_family="${1}"
local backend="${2}"
local e2e_directory="${3}"
local suffix="${4}"
local cluster_count="${5}"
echo "+==========================================================================================+"
echo -e "\t\tTest Report from running test \"-i ${ip_family} -b ${backend}\" on ${cluster_count} clusters."
echo "+==========================================================================================+"
local combined_output_file=$(mktemp -q)
if_error_exit "Could not create temp file, mktemp failed"
for i in $(seq "${cluster_count}"); do
local test_directory="${e2e_directory}${suffix}${i}"
if ! [ -d "${test_directory}" ] ; then
info_message "directory \"${test_directory}\" not found, skipping"
continue
fi
info_message "Summary report from cluster \"${i}\" in directory: \"${test_directory}\""
local output_file="${test_directory}/output.log"
cat "${output_file}" >> "${combined_output_file}"
sed -nE '/Ran[[:space:]]+[[:digit:]]+[[:space:]]+of[[:space:]]+[[:digit:]]/{N;p}' "${output_file}"
done
echo -e "\nOccurrence\tFailure"
grep "\[FAIL\]" "${combined_output_file}" |
sort | uniq -c | sort -nr | sed 's/\,/\n\t\t/g'
rm -f "${combined_output_file}"
}
function main {
###########################################################################
# Description: #
# Starting E2E process #
# #
# Arguments: #
# None #
###########################################################################
[ $# -eq 15 ]
if_error_exit "Wrong number of arguments to ${FUNCNAME[0]}"
# setting up variables
local ip_family="${1}"
local backend="${2}"
local ci_mode="${3}"
local e2e_dir="${4}"
local bin_dir="${5}"
local dockerfile="${6}"
local suffix="${7}"
local cluster_count="${8}"
local erase_clusters="${9}"
local print_report="${10}"
local devel_mode="${11}"
local deployment_model="${12}"
local run_tests_on_existing_cluster="${13}"
local export_metrics="${14}"
local include_specific_failed_tests="${15}"
[ "${cluster_count}" -ge "1" ]
if_error_exit "cluster_count must be larger or equal to one"
e2e_dir=${e2e_dir:="$(pwd)/temp/e2e"}
bin_dir=${bin_dir:="${e2e_dir}/bin"}
if ${erase_clusters} ; then
delete_kind_clusters "${bin_dir}" "${ip_family}" "${backend}" "${suffix}" "${cluster_count}"
return 0
fi
if ${print_report} ; then
print_reports "${ip_family}" "${backend}" "${e2e_dir}" "-${suffix}" "${cluster_count}"
return 0
fi
echo "+==================================================================+"
echo -e "\t\tStarting KPNG E2E testing"
echo "+==================================================================+"
if [ "${run_tests_on_existing_cluster}" = true ] ; then
run_tests "${e2e_dir}${tmp_suffix}" "${bin_dir}" "false" "${ip_family}" "${backend}" "${include_specific_failed_tests}"
local result=$?
#need to clean this up
if [ "${ci_mode}" = false ] ; then
clean_artifacts "${e2e_dir}${tmp_suffix}"
fi
return ${result}
fi
# in ci this should fail
if [ "${ci_mode}" = true ] ; then
# REMOVE THIS comment out ON THE REPO WITH A PR WHEN LOCAL TESTS ARE ALL GREEN
# set -e
info_message "this tests can't fail now in ci"
fi
set_host_network_settings "${ip_family}"
install_binaries "${bin_dir}" "${E2E_K8S_VERSION}" "${OS}"
# compile bpf bytecode and bindings so build completes successfully
if [ "${backend}" == "ebpf" ] ; then
if [ "${ip_family}" != "ipv4" ] ; then
echo "ebpf backend only supports ipv4"
exit 1
fi
compile_bpf
fi
verify_host_network_settings "${ip_family}"
prepare_container "${dockerfile}" "${ci_mode}"
if [ "${cluster_count}" -eq "1" ] ; then
local tmp_suffix=${suffix:+"-${suffix}"}
set_e2e_dir "${e2e_dir}${tmp_suffix}" "${bin_dir}"
else
for i in $(seq "${cluster_count}"); do
local tmp_suffix="-${suffix}${i}"
set_e2e_dir "${e2e_dir}${tmp_suffix}" "${bin_dir}"
done
fi
local result=0
# preparation completed, time to setup infrastructure and run tests
if [ "${cluster_count}" -eq "1" ] ; then
local tmp_suffix=${suffix:+"-${suffix}"}
create_infrastructure_and_run_tests "${e2e_dir}${tmp_suffix}" "${ip_family}" "${backend}" \
"${bin_dir}" "${tmp_suffix}" "${devel_mode}" "${ci_mode}" \
"${deployment_model}" "${export_metrics}" "${include_specific_failed_tests}"
result=$?
else
local pids
echo -e "\n+====================================================================================================+"
echo -e "\t\tRunning parallel KPNG E2E tests \"-i ${ip_family} -b ${backend}\" in background on ${cluster_count} kind clusters."
echo -e "+====================================================================================================+"
for i in $(seq "${cluster_count}"); do
local tmp_suffix="-${suffix}${i}"
local output_file="${e2e_dir}${tmp_suffix}/output.log"
rm -f "${output_file}"
create_infrastructure_and_run_tests "${e2e_dir}${tmp_suffix}" "${ip_family}" "${backend}" \
"${bin_dir}" "${tmp_suffix}" "${devel_mode}" "${ci_mode}" \
"${deployment_model}" "${export_metrics}" "${include_specific_failed_tests}" \
&> "${e2e_dir}${tmp_suffix}/output.log" &
pids[${i}]=$!
done
for pid in ${pids[*]}; do # not possible to use quotes here
wait "${pid}"
local tmp=$?
if ! [ ${tmp} -eq 0 ] ; then
result=${tmp}
fi
done
if ! ${devel_mode} ; then
print_reports "${ip_family}" "${backend}" "${e2e_dir}" "-${suffix}" "${cluster_count}"
fi
fi
if ${devel_mode} ; then
echo -e "\n+=====================================================================================+"
echo -e "\t\tDeveloper mode no test run!"
echo -e "+=====================================================================================+"
elif ! ${ci_mode}; then
delete_kind_clusters "${bin_dir}" "${ip_family}" "${backend}" "${suffix}" "${cluster_count}"
fi
echo -e "\n+=====================================================================================+"
echo -e "\t\tResult"
echo -e "+=====================================================================================+"
result_message ${result} "test_e2e test suite for \"-i ${ip_family} -b ${backend}\""
return ${result}
}
function help {
###########################################################################
# Description: #
# Help function to be displayed #
# #
# Arguments: #
# None #
###########################################################################
printf "\n"
printf "Usage: %s [-i ip_family] [-b backend]\n" "$0"
printf "\t-i set ip_family(ipv4/ipv6/dual) name in the e2e test runs.\n"
printf "\t-b set backend (iptables/nft/ipvs/ebpf/userspacelin/not-kpng/) name in the e2e test runs. \
\"not-kpng\" is used to be able to validate and compare results\n"
printf "\t-c flag allows for ci_mode. Please don't run on local systems.\n"
printf "\t-d devel mode, creates the test env but skip e2e tests. Useful for debugging.\n"
printf "\t-e erase kind clusters.\n"
printf "\t-m set the KPNG deployment model, can either be: \n\
* split-process-per-node [legacy/debug] -> (To run KPNG server + client in separate containers/processes per node)