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catalog/test/e2e-common.sh
Piyush Garg c2547bd722 Refactor in e2e script and pre-apply func
Created a function to run secure sidecar registry with cert
and calling that function from all tests to remove duplication
2021-04-08 14:19:48 +01:00

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#!/usr/bin/env bash
# Copyright 2018 The Tekton 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.
# Helper functions for E2E tests.
# Check if we have a specific RELEASE_YAML global environment variable to use
# instead of detecting the latest released one from tektoncd/pipeline releases
RELEASE_YAML=${RELEASE_YAML:-}
# Define a custom kubectl path if you like
KUBECTL_CMD=${KUBECTL_CMD:-kubectl}
# Dependency checks
## Bash must be 4 or greater to support associative arrays
if [ "${BASH_VERSINFO:-0}" -lt 4 ];then
echo "this script must be executed in bash >= 4"
exit 1
fi
## Commands
function require_command() {
if ! command -v ${1} &> /dev/null;then
echo "required command '${1}' not be found"
exit 1
fi
}
require_command ${KUBECTL_CMD} python3
## Python Modules
function require_python_module() {
for arg in "$@"; do
if ! python3 -c "import ${arg}" &> /dev/null;then
echo "required 'python3' module '${arg}' not be found"
echo "NOTE: the library name may be different but you you can try installing it via 'python3 -m pip install ${arg}'"
exit 1
fi
done
}
require_python_module yaml
source $(dirname $0)/../vendor/github.com/tektoncd/plumbing/scripts/e2e-tests.sh
# Add sidecar resources, first argument is the file
# following arguments are string formed json/yaml processed by yaml.safe_load
# e.g. '{"image": "registry", "name": "registry"}'
function add_sidecars() {
cp ${1} ${TMPF}.read
SCRIPT='
import sys, yaml
f=open(0, encoding="utf-8")
data=yaml.load(f.read(), Loader=yaml.FullLoader)
sidecars = map(lambda v: yaml.safe_load(v), sys.argv[1:]) # after -c
for sidecar in sidecars:
if "sidecars" in data["spec"]:
data["spec"]["sidecars"].append(sidecar)
else:
data["spec"]["sidecars"] = [sidecar]
print(yaml.dump(data, default_flow_style=False))
'
cat ${TMPF}.read | python3 -c "$SCRIPT" "${@:2}" > ${TMPF}
rm -f ${TMPF}.read
}
# Add an internal registry as sidecar to a task so we can upload it directly
# from our tests withouth having to go to an external registry.
function add_sidecar_registry() {
add_sidecars ${1} '{"image":"registry", "name": "registry"}'
}
# Run a secure registry as a sidecar to allow the tasks to push to this registry using the certs.
# It will create a configmap `sslcert` with certificate available at key `ca.crt`
function add_sidecar_secure_registry() {
TMD=$(mktemp -d)
# Generate SSL Certificate
openssl req -newkey rsa:4096 -nodes -sha256 -keyout "${TMD}"/ca.key -x509 -days 365 \
-addext "subjectAltName = DNS:registry" \
-out "${TMD}"/ca.crt -subj "/C=FR/ST=IDF/L=Paris/O=Tekton/OU=Catalog/CN=registry"
# Create a configmap from these certs
kubectl create -n "${tns}" configmap sslcert \
--from-file=ca.crt="${TMD}"/ca.crt --from-file=ca.key="${TMD}"/ca.key
# Add a secure internal registry as sidecar
kubectl create -n "${tns}" -f ${taskdir}/tests/internal-registry/internal-registry.yaml
}
function add_task() {
local array path_version task
task=${1}
if [[ "${2}" == "latest" ]];then
array=($(echo task/${task}/*/|sort -u))
path_version=${array[-1]}
else
path_version=task/${task}/${2}
if [[ ! -d ${path_version} ]];then
echo "I could not find version '${2}' for the task '${task}' in ./task/"
exit 1
fi
fi
${KUBECTL_CMD} -n "${tns}" apply -f "${path_version}"/"${task}".yaml
}
function install_pipeline_crd() {
local latestreleaseyaml
echo ">> Deploying Tekton Pipelines"
if [[ -n ${RELEASE_YAML} ]];then
latestreleaseyaml=${RELEASE_YAML}
else
latestreleaseyaml="https://storage.googleapis.com/tekton-releases/pipeline/latest/release.yaml"
fi
[[ -z ${latestreleaseyaml} ]] && fail_test "Could not get latest released release.yaml"
${KUBECTL_CMD} apply -f ${latestreleaseyaml} ||
fail_test "Build pipeline installation failed"
# Make sure thateveything is cleaned up in the current namespace.
for res in pipelineresources tasks pipelines taskruns pipelineruns; do
${KUBECTL_CMD} delete --ignore-not-found=true ${res}.tekton.dev --all
done
# Wait for pods to be running in the namespaces we are deploying to
wait_until_pods_running tekton-pipelines || fail_test "Tekton Pipeline did not come up"
}
function test_yaml_can_install() {
# Validate that all the Task CRDs in this repo are valid by creating them in a NS.
readonly ns="task-ns"
all_tasks="$*"
${KUBECTL_CMD} create ns "${ns}" || true
local runtest
for runtest in ${all_tasks}; do
# remove task/ from beginning
local runtestdir=${runtest#*/}
# remove /0.1/tests from end
local testname=${runtestdir%%/*}
runtest=${runtest//tests}
# in case a task is being removed then it's directory
# doesn't exists, so skip the test for YAML
[ ! -d "${runtest%%/*}/${testname}" ] && continue
runtest="${runtest}${testname}.yaml"
skipit=
for ignore in ${TEST_YAML_IGNORES};do
[[ ${ignore} == "${testname}" ]] && skipit=True
done
[[ -n ${skipit} ]] && break
echo "Checking ${testname}"
${KUBECTL_CMD} -n ${ns} apply -f <(sed "s/namespace:.*/namespace: task-ns/" "${runtest}")
done
}
function show_failure() {
local testname=$1 tns=$2
echo "FAILED: ${testname} task has failed to comeback properly" ;
echo "--- Task Dump"
${KUBECTL_CMD} get -n ${tns} task -o yaml
echo "--- Pipeline Dump"
${KUBECTL_CMD} get -n ${tns} pipeline -o yaml
echo "--- PipelineRun Dump"
${KUBECTL_CMD} get -n ${tns} pipelinerun -o yaml
echo "--- TaskRun Dump"
${KUBECTL_CMD} get -n ${tns} taskrun -o yaml
echo "--- Container Logs"
for pod in $(${KUBECTL_CMD} get pod -o name -n ${tns}); do
${KUBECTL_CMD} logs --all-containers -n ${tns} ${pod} || true
done
exit 1
}
function test_task_creation() {
local runtest
declare -A task_to_wait_for
for runtest in $@;do
# remove task/ from beginning
local runtestdir=${runtest#*/}
# remove /0.1/tests from end
local testname=${runtestdir%%/*}
# get version of the task
local version=$(basename $(basename $(dirname $runtest)))
# check version is in given format
[[ ${version} =~ ^[0-9]+\.[0-9]+$ ]] || { echo "ERROR: version of the task is not set properly"; exit 1;}
# replace . with - in version as not supported in namespace name
version="$( echo $version | tr '.' '-' )"
local tns="${testname}-${version}"
local skipit=
for ignore in ${TEST_TASKRUN_IGNORES};do
[[ ${ignore} == ${testname} ]] && skipit=True
done
# remove /tests from end
local taskdir=${runtest%/*}
# check whether test folder exists or not inside task dir
# if not then run the tests for next task (if any)
[ ! -d $runtest ] && skipit=True
ls ${taskdir}/*.yaml 2>/dev/null >/dev/null || skipit=True
cat ${taskdir}/*.yaml | grep 'tekton.dev/deprecated: \"true\"' && skipit=True
[[ -n ${skipit} ]] && continue
# In case of rerun it's fine to ignore this error
${KUBECTL_CMD} create namespace ${tns} >/dev/null 2>/dev/null || :
# Install the task itself first. We can only have one YAML file
yaml=$(printf ${taskdir}/*.yaml)
started=$(date '+%Hh%M:%S')
echo "${started} STARTING: ${testname}/${version} "
cp ${yaml} ${TMPF}
[[ -f ${taskdir}/tests/pre-apply-task-hook.sh ]] && source ${taskdir}/tests/pre-apply-task-hook.sh
function_exists pre-apply-task-hook && pre-apply-task-hook
[[ -d ${taskdir}/tests/fixtures ]] && {
# Create a configmap to make every file under fixture
# available to the sidecar.
${KUBECTL_CMD} -n ${tns} create configmap fixtures --from-file=${taskdir}/tests/fixtures
cat <<EOF>>${TMPF}
volumes:
- name: fixtures
configMap:
name: fixtures
sidecars:
- image: quay.io/chmouel/go-rest-api-test
name: go-rest-api
volumeMounts:
- name: fixtures
mountPath: /fixtures
env:
- name: CONFIG
value: |
$(cat ${taskdir}/tests/fixtures/*.yaml|sed 's/^/ /')
EOF
}
# Make sure we have deleted the content, this is in case of rerun
# and namespace hasn't been cleaned up or there is some Cluster*
# stuff, which really should not be allowed.
${KUBECTL_CMD} -n ${tns} delete -f ${TMPF} >/dev/null 2>/dev/null || true
${KUBECTL_CMD} -n ${tns} create -f ${TMPF}
# Install resource and run
for yaml in ${runtest}/*.yaml;do
cp ${yaml} ${TMPF}
[[ -f ${taskdir}/tests/pre-apply-taskrun-hook.sh ]] && source ${taskdir}/tests/pre-apply-taskrun-hook.sh
function_exists pre-apply-taskrun-hook && pre-apply-taskrun-hook
# Make sure we have deleted the content, this is in case of rerun
# and namespace hasn't been cleaned up or there is some Cluster*
# stuff, which really should not be allowed.
${KUBECTL_CMD} -n ${tns} delete -f ${TMPF} >/dev/null 2>/dev/null || true
${KUBECTL_CMD} -n ${tns} create -f ${TMPF}
done
task_to_wait_for["$testname/${version}"]="${tns}|$started"
done
# I would refactor this to a function but bash limitation is too great, really need a rewrite the sooner
# the uglness to pass a hashmap to a function https://stackoverflow.com/a/17557904/145125
local cnt=0
local all_status=''
local reason=''
local maxloop=60 # 10 minutes max
set +x
while true;do
# If we have timed out then show failures of what's remaining in
# task_to_wait_for we assume only first one fails this
[[ ${cnt} == "${maxloop}" ]] && {
for testname in "${!task_to_wait_for[@]}";do
target_ns=${task_to_wait_for[$testname]}
show_failure "${testname}" "${target_ns}"
done
}
[[ -z ${task_to_wait_for[*]} ]] && {
break
}
for testname in "${!task_to_wait_for[@]}";do
target_ns=${task_to_wait_for[$testname]%|*}
started=${task_to_wait_for[$testname]#*|}
# sometimes we don't get all_status and reason in one go so
# wait until we get the reason and all_status for 5 iterations
for tektontype in pipelinerun taskrun;do
for _ in {1..10}; do
all_status=$(${KUBECTL_CMD} get -n ${target_ns} ${tektontype} --output=jsonpath='{.items[*].status.conditions[*].status}')
reason=$(${KUBECTL_CMD} get -n ${target_ns} ${tektontype} --output=jsonpath='{.items[*].status.conditions[*].reason}')
[[ ! -z ${all_status} ]] && [[ ! -z ${reason} ]] && break
sleep 1
done
# No need to check taskrun if pipelinerun has been set
[[ ! -z ${all_status} ]] && [[ ! -z ${reason} ]] && break
done
if [[ -z ${all_status} || -z ${reason} ]];then
echo "Could not find a created taskrun or pipelinerun in ${target_ns}"
fi
breakit=True
for status in ${all_status};do
[[ ${status} == *ERROR || ${reason} == *Fail* || ${reason} == Couldnt* ]] && show_failure ${testname} ${target_ns}
if [[ ${status} != True ]];then
breakit=
fi
done
if [[ ${breakit} == True ]];then
unset task_to_wait_for[$testname]
[[ -z ${CATALOG_TEST_SKIP_CLEANUP} ]] && ${KUBECTL_CMD} delete ns ${target_ns} >/dev/null
echo "${started}::$(date '+%Hh%M:%S') SUCCESS: ${testname} testrun has successfully executed" ;
fi
done
sleep 10
cnt=$((cnt+1))
done
set -x
}