k3s/hack/e2e-suite/guestbook.sh

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#!/bin/bash
# Copyright 2014 Google Inc. All rights reserved.
#
# 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.
# Assumes a running Kubernetes test cluster; verifies that the guestbook example
# works. Assumes that we're being called by hack/e2e-test.sh (we use some env
# vars it sets up).
set -o errexit
set -o nounset
set -o pipefail
KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
: ${KUBE_VERSION_ROOT:=${KUBE_ROOT}}
: ${KUBECTL:="${KUBE_VERSION_ROOT}/cluster/kubectl.sh"}
: ${KUBE_CONFIG_FILE:="config-test.sh"}
export KUBECTL KUBE_CONFIG_FILE
source "${KUBE_ROOT}/cluster/kube-env.sh"
source "${KUBE_VERSION_ROOT}/cluster/${KUBERNETES_PROVIDER}/util.sh"
GUESTBOOK="${KUBE_ROOT}/examples/guestbook"
function teardown() {
${KUBECTL} stop -f "${GUESTBOOK}"
if [[ "${KUBERNETES_PROVIDER}" == "gce" ]]; then
local REGION=${ZONE%-*}
gcloud compute forwarding-rules delete -q --region ${REGION} "${INSTANCE_PREFIX}-default-frontend" || true
gcloud compute target-pools delete -q --region ${REGION} "${INSTANCE_PREFIX}-default-frontend" || true
gcloud compute firewall-rules delete guestbook-e2e-minion-8000 -q || true
fi
}
function wait_for_running() {
echo "Waiting for pods to come up."
local frontends master slaves pods all_running status i pod
frontends=($(${KUBECTL} get pods -l name=frontend -o template '--template={{range.items}}{{.id}} {{end}}'))
master=($(${KUBECTL} get pods -l name=redis-master -o template '--template={{range.items}}{{.id}} {{end}}'))
slaves=($(${KUBECTL} get pods -l name=redis-slave -o template '--template={{range.items}}{{.id}} {{end}}'))
pods=("${frontends[@]}" "${master[@]}" "${slaves[@]}")
all_running=0
for i in {1..30}; do
all_running=1
for pod in "${pods[@]}"; do
status=$(${KUBECTL} get pods "${pod}" -o template '--template={{.currentState.status}}') || true
if [[ "$status" != "Running" ]]; then
all_running=0
break
fi
done
if [[ "${all_running}" == 1 ]]; then
break
fi
sleep 10
done
if [[ "${all_running}" == 0 ]]; then
echo "Pods did not come up in time"
return 1
fi
}
prepare-e2e
trap "teardown" EXIT
# Launch the guestbook example
${KUBECTL} create -f "${GUESTBOOK}"
# Verify that all pods are running
wait_for_running
if [[ "${KUBERNETES_PROVIDER}" == "gce" ]]; then
gcloud compute firewall-rules create --allow=tcp:8000 --network="${NETWORK}" --target-tags="${MINION_TAG}" guestbook-e2e-minion-8000
fi
# Add a new entry to the guestbook and verify that it was remembered
frontend_addr=$(${KUBECTL} get service frontend -o template '--template={{range .publicIPs}}{{.}}{{end}}:{{.port}}')
echo "Waiting for frontend to serve content"
serving=0
for i in {1..12}; do
entry=$(curl "http://${frontend_addr}/index.php?cmd=get&key=messages") || true
echo ${entry}
if [[ "${entry}" == '{"data": ""}' ]]; then
serving=1
break
fi
sleep 10
done
if [[ "${serving}" == 0 ]]; then
echo "Pods did not start serving content in time"
exit 1
fi
curl "http://${frontend_addr}/index.php?cmd=set&key=messages&value=TestEntry"
entry=$(curl "http://${frontend_addr}/index.php?cmd=get&key=messages")
if [[ "${entry}" != '{"data": "TestEntry"}' ]]; then
echo "Wrong entry received: ${entry}"
exit 1
fi
exit 0