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Merge pull request #11927 from wojtek-t/remove_shell_services
Remove shell services test
This commit is contained in:
Mike Danese
commit
0ae48c449e
@ -1,481 +0,0 @@
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#!/bin/bash
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# Copyright 2014 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Verifies that services and virtual IPs work.
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# TODO(wojtek-t): Remove this test once the following go tests are stable:
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# - "should work after restarting kube-proxy"
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# - "should work after restarting apiserver"
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set -o errexit
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set -o nounset
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set -o pipefail
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
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: ${KUBE_VERSION_ROOT:=${KUBE_ROOT}}
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: ${KUBECTL:="${KUBE_VERSION_ROOT}/cluster/kubectl.sh"}
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: ${KUBE_CONFIG_FILE:="config-test.sh"}
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export KUBECTL KUBE_CONFIG_FILE
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TEST_NAMESPACE="services-test-${RANDOM}"
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KUBECTL="${KUBECTL} --namespace=${TEST_NAMESPACE}"
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source "${KUBE_ROOT}/cluster/kube-env.sh"
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source "${KUBE_VERSION_ROOT}/cluster/${KUBERNETES_PROVIDER}/util.sh"
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prepare-e2e
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function error() {
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echo "$@" >&2
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exit 1
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}
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function sort_args() {
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[ $# == 0 ] && return
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a=($(printf "%s\n" "$@" | sort -n))
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echo "${a[*]}"
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}
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# Join args $2... with $1 between them.
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# Example: join ", " x y z => x, y, z
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function join() {
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local sep item
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sep=$1
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shift
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echo -n "${1:-}"
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shift
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for item; do
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echo -n "${sep}${item}"
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done
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echo
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}
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svcs_to_clean=()
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function do_teardown() {
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${KUBECTL} delete namespace "${TEST_NAMESPACE}"
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}
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function make_namespace() {
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echo "Making namespace '${TEST_NAMESPACE}'"
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${KUBECTL} create -f - << __EOF__
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{
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"kind": "Namespace",
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"apiVersion": "v1",
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"metadata": {
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"name": "${TEST_NAMESPACE}"
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}
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}
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__EOF__
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}
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wait_for_apiserver() {
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echo "Waiting for apiserver to be up"
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local i
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for i in $(seq 1 12); do
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results=$(ssh-to-node "${master}" "
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wget -q -T 1 -O - http://localhost:8080/healthz || true
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")
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if [[ "${results}" == "ok" ]]; then
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return
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fi
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sleep 5 # wait for apiserver to restart
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done
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error "restarting apiserver timed out"
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}
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# Args:
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# $1: service name
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# $2: service port
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# $3: service replica count
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function start_service() {
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echo "Starting service '${TEST_NAMESPACE}/$1' on port $2 with $3 replicas"
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svcs_to_clean+=("$1")
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${KUBECTL} create -f - << __EOF__
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{
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"kind": "ReplicationController",
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"apiVersion": "v1",
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"metadata": {
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"name": "$1",
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"labels": {
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"name": "$1"
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}
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},
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"spec": {
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"replicas": $3,
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"selector": {
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"name": "$1"
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},
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"template": {
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"metadata": {
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"labels": {
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"name": "$1"
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}
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},
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"spec": {
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"containers": [
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{
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"name": "$1",
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"image": "gcr.io/google_containers/serve_hostname:1.1",
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"ports": [
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{
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"containerPort": 9376,
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"protocol": "TCP"
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}
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]
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}
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]
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}
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}
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}
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}
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__EOF__
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${KUBECTL} create -f - << __EOF__
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{
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"kind": "Service",
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"apiVersion": "v1",
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"metadata": {
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"name": "$1",
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"labels": {
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"name": "$1"
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}
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},
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"spec": {
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"ports": [
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{
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"protocol": "TCP",
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"port": $2,
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"targetPort": 9376
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}
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],
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"selector": {
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"name": "$1"
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}
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}
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}
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__EOF__
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}
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# Args:
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# $1: service name
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function stop_service() {
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echo "Stopping service '$1'"
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${KUBECTL} stop rc "$1" || true
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${KUBECTL} delete services "$1" || true
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}
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# Args:
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# $1: service name
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# $2: expected pod count
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function query_pods() {
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# This fails very occasionally, so retry a bit.
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local pods_unsorted=()
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local i
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for i in $(seq 1 10); do
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pods_unsorted=($(${KUBECTL} get pods -o template \
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'--template={{range.items}}{{.metadata.name}} {{end}}' \
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'--api-version=v1' \
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-l name="$1"))
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found="${#pods_unsorted[*]}"
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if [[ "${found}" == "$2" ]]; then
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break
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fi
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sleep 3
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done
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if [[ "${found}" != "$2" ]]; then
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error "Failed to query pods for $1: expected $2, found ${found}"
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fi
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# The "return" is a sorted list of pod IDs.
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sort_args "${pods_unsorted[@]}"
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}
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# Args:
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# $1: service name
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# $2: pod count
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function wait_for_pods() {
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echo "Querying pods in $1"
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local pods_sorted=$(query_pods "$1" "$2")
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printf '\t%s\n' ${pods_sorted}
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# Container turn up on a clean cluster can take a while for the docker image
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# pulls. Wait a generous amount of time.
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# TODO: Sometimes pods change underneath us, which makes the GET fail (404).
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# Maybe this test can be loosened and still be useful?
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pods_needed=$2
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local i
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for i in $(seq 1 30); do
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echo "Waiting for ${pods_needed} pods to become 'running'"
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pods_needed="$2"
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for id in ${pods_sorted}; do
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status=$(${KUBECTL} get pods "${id}" -o template --template='{{.status.phase}}' --api-version=v1)
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if [[ "${status}" == "Running" ]]; then
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pods_needed=$((pods_needed-1))
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fi
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done
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if [[ "${pods_needed}" == 0 ]]; then
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break
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fi
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sleep 3
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done
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if [[ "${pods_needed}" -gt 0 ]]; then
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error "Pods for $1 did not come up in time"
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fi
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}
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# Args:
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# $1: service name
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# $2: service IP
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# $3: service port
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# $4: pod count
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# $5: pod IDs (sorted)
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function wait_for_service_up() {
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local i
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local found_pods
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echo "waiting for $1 at $2:$3"
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# TODO: Reduce this interval once we have a sense for the latency distribution.
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for i in $(seq 1 10); do
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results=($(ssh-to-node "${test_node}" "
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set -e;
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for i in $(seq -s' ' 1 $(($4*3))); do
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wget -q -T 1 -O - http://$2:$3 || true;
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echo;
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done | sort -n | uniq
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"))
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found_pods=$(sort_args "${results[@]:+${results[@]}}")
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if [[ "${found_pods}" == "$5" ]]; then
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return
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fi
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echo "expected '$5', got '${found_pods}': will try again"
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sleep 5 # wait for endpoints to propagate
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done
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error "$1: failed to verify portal from host"
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}
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# Args:
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# $1: service name
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# $2: service IP
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# $3: service port
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function wait_for_service_down() {
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local i
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for i in $(seq 1 15); do
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$(ssh-to-node "${test_node}" "
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curl -s --connect-timeout 2 "http://$2:$3" >/dev/null 2>&1 && exit 1 || exit 0;
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") && break
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echo "Waiting for $1 to go down"
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sleep 2
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done
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}
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# Args:
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# $1: service name
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# $2: service IP
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# $3: service port
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# $4: pod count
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# $5: pod IDs (sorted)
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function verify_from_container() {
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local i
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local found_pods
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echo "waiting for $1 at $2:$3"
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# TODO: Reduce this interval once we have a sense for the latency distribution.
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for i in $(seq 1 10); do
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results=($(ssh-to-node "${test_node}" "
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set -e;
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sudo docker pull gcr.io/google_containers/busybox >/dev/null;
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sudo docker run gcr.io/google_containers/busybox sh -c '
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for i in $(seq -s' ' 1 $(($4*3))); do
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wget -q -T 1 -O - http://$2:$3 || true;
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echo;
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done
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'" | sort -n | uniq))
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found_pods=$(sort_args "${results[@]:+${results[@]}}")
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if [[ "${found_pods}" == "$5" ]]; then
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return
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fi
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echo "expected '$5', got '${found_pods}': will try again"
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sleep 5 # wait for endpoints to propagate
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done
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error "$1: failed to verify portal from host"
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}
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trap do_teardown EXIT
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# Get node IP addresses and pick one as our test point.
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detect-minions
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test_node="${MINION_NAMES[0]}"
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master="${MASTER_NAME}"
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# Make our namespace
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make_namespace
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# Launch some pods and services.
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svc1_name="service1"
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svc1_port=80
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svc1_count=3
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start_service "${svc1_name}" "${svc1_port}" "${svc1_count}"
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svc2_name="service2"
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svc2_port=80
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svc2_count=3
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start_service "${svc2_name}" "${svc2_port}" "${svc2_count}"
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# Wait for the pods to become "running".
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wait_for_pods "${svc1_name}" "${svc1_count}"
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wait_for_pods "${svc2_name}" "${svc2_count}"
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# Get the sorted lists of pods.
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svc1_pods=$(query_pods "${svc1_name}" "${svc1_count}")
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svc2_pods=$(query_pods "${svc2_name}" "${svc2_count}")
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# Get the VIP IPs.
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svc1_ip=$(${KUBECTL} get services -o template '--template={{.spec.clusterIP}}' "${svc1_name}" --api-version=v1)
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test -n "${svc1_ip}" || error "Service1 IP is blank"
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svc2_ip=$(${KUBECTL} get services -o template '--template={{.spec.clusterIP}}' "${svc2_name}" --api-version=v1)
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test -n "${svc2_ip}" || error "Service2 IP is blank"
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if [[ "${svc1_ip}" == "${svc2_ip}" ]]; then
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error "VIPs conflict: ${svc1_ip}"
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fi
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||||||
#
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# Test 1: Prove that the service VIP is alive.
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||||||
#
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||||||
echo "Test 1: Prove that the service VIP is alive."
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||||||
echo "Verifying the VIP from the host"
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wait_for_service_up "${svc1_name}" "${svc1_ip}" "${svc1_port}" \
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"${svc1_count}" "${svc1_pods}"
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wait_for_service_up "${svc2_name}" "${svc2_ip}" "${svc2_port}" \
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"${svc2_count}" "${svc2_pods}"
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echo "Verifying the VIP from a container"
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verify_from_container "${svc1_name}" "${svc1_ip}" "${svc1_port}" \
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"${svc1_count}" "${svc1_pods}"
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verify_from_container "${svc2_name}" "${svc2_ip}" "${svc2_port}" \
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"${svc2_count}" "${svc2_pods}"
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||||||
#
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# Test 2: Bounce the proxy and make sure the VIP comes back.
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||||||
#
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echo "Test 2: Bounce the proxy and make sure the VIP comes back."
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||||||
echo "Restarting kube-proxy"
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restart-kube-proxy "${test_node}"
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echo "Verifying the VIP from the host"
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wait_for_service_up "${svc1_name}" "${svc1_ip}" "${svc1_port}" \
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"${svc1_count}" "${svc1_pods}"
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wait_for_service_up "${svc2_name}" "${svc2_ip}" "${svc2_port}" \
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"${svc2_count}" "${svc2_pods}"
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echo "Verifying the VIP from a container"
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||||||
verify_from_container "${svc1_name}" "${svc1_ip}" "${svc1_port}" \
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"${svc1_count}" "${svc1_pods}"
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verify_from_container "${svc2_name}" "${svc2_ip}" "${svc2_port}" \
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||||||
"${svc2_count}" "${svc2_pods}"
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||||||
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||||||
#
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||||||
# Test 3: Stop one service and make sure it is gone.
|
|
||||||
#
|
|
||||||
echo "Test 3: Stop one service and make sure it is gone."
|
|
||||||
stop_service "${svc1_name}"
|
|
||||||
wait_for_service_down "${svc1_name}" "${svc1_ip}" "${svc1_port}"
|
|
||||||
|
|
||||||
#
|
|
||||||
# Test 4: Bring up another service.
|
|
||||||
# TODO: Actually add a test to force re-use.
|
|
||||||
#
|
|
||||||
echo "Test 4: Bring up another service."
|
|
||||||
svc3_name="service3"
|
|
||||||
svc3_port=80
|
|
||||||
svc3_count=3
|
|
||||||
start_service "${svc3_name}" "${svc3_port}" "${svc3_count}"
|
|
||||||
|
|
||||||
# Wait for the pods to become "running".
|
|
||||||
wait_for_pods "${svc3_name}" "${svc3_count}"
|
|
||||||
|
|
||||||
# Get the sorted lists of pods.
|
|
||||||
svc3_pods=$(query_pods "${svc3_name}" "${svc3_count}")
|
|
||||||
|
|
||||||
# Get the VIP.
|
|
||||||
svc3_ip=$(${KUBECTL} get services -o template '--template={{.spec.clusterIP}}' "${svc3_name}" --api-version=v1)
|
|
||||||
test -n "${svc3_ip}" || error "Service3 IP is blank"
|
|
||||||
|
|
||||||
echo "Verifying the VIPs from the host"
|
|
||||||
wait_for_service_up "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
echo "Verifying the VIPs from a container"
|
|
||||||
verify_from_container "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
|
|
||||||
#
|
|
||||||
# Test 5: Remove the iptables rules, make sure they come back.
|
|
||||||
#
|
|
||||||
echo "Test 5: Remove the iptables rules, make sure they come back."
|
|
||||||
echo "Manually removing iptables rules"
|
|
||||||
# Remove both the new and old style chains, in case we're testing on an old kubelet
|
|
||||||
ssh-to-node "${test_node}" "sudo iptables -t nat -F KUBE-PORTALS-HOST || true"
|
|
||||||
ssh-to-node "${test_node}" "sudo iptables -t nat -F KUBE-PORTALS-CONTAINER || true"
|
|
||||||
echo "Verifying the VIPs from the host"
|
|
||||||
wait_for_service_up "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
echo "Verifying the VIPs from a container"
|
|
||||||
verify_from_container "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
|
|
||||||
#
|
|
||||||
# Test 6: Restart the master, make sure VIPs come back.
|
|
||||||
#
|
|
||||||
echo "Test 6: Restart the master, make sure VIPs come back."
|
|
||||||
echo "Restarting the master"
|
|
||||||
restart-apiserver "${master}"
|
|
||||||
wait_for_apiserver
|
|
||||||
echo "Verifying the VIPs from the host"
|
|
||||||
wait_for_service_up "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
echo "Verifying the VIPs from a container"
|
|
||||||
verify_from_container "${svc3_name}" "${svc3_ip}" "${svc3_port}" \
|
|
||||||
"${svc3_count}" "${svc3_pods}"
|
|
||||||
|
|
||||||
#
|
|
||||||
# Test 7: Bring up another service, make sure it does not re-use IPs.
|
|
||||||
#
|
|
||||||
echo "Test 7: Bring up another service, make sure it does not re-use IPs."
|
|
||||||
svc4_name="service4"
|
|
||||||
svc4_port=80
|
|
||||||
svc4_count=3
|
|
||||||
start_service "${svc4_name}" "${svc4_port}" "${svc4_count}"
|
|
||||||
|
|
||||||
# Wait for the pods to become "running".
|
|
||||||
wait_for_pods "${svc4_name}" "${svc4_count}"
|
|
||||||
|
|
||||||
# Get the sorted lists of pods.
|
|
||||||
svc4_pods=$(query_pods "${svc4_name}" "${svc4_count}")
|
|
||||||
|
|
||||||
# Get the VIP.
|
|
||||||
svc4_ip=$(${KUBECTL} get services -o template '--template={{.spec.clusterIP}}' "${svc4_name}" --api-version=v1)
|
|
||||||
test -n "${svc4_ip}" || error "Service4 IP is blank"
|
|
||||||
if [[ "${svc4_ip}" == "${svc2_ip}" || "${svc4_ip}" == "${svc3_ip}" ]]; then
|
|
||||||
error "VIPs conflict: ${svc4_ip}"
|
|
||||||
fi
|
|
||||||
|
|
||||||
echo "Verifying the VIPs from the host"
|
|
||||||
wait_for_service_up "${svc4_name}" "${svc4_ip}" "${svc4_port}" \
|
|
||||||
"${svc4_count}" "${svc4_pods}"
|
|
||||||
echo "Verifying the VIPs from a container"
|
|
||||||
verify_from_container "${svc4_name}" "${svc4_ip}" "${svc4_port}" \
|
|
||||||
"${svc4_count}" "${svc4_pods}"
|
|
||||||
|
|
||||||
exit 0
|
|
||||||
@ -87,7 +87,6 @@ readonly KUBE_TEST_PORTABLE=(
|
|||||||
contrib/for-tests/network-tester/rc.json
|
contrib/for-tests/network-tester/rc.json
|
||||||
contrib/for-tests/network-tester/service.json
|
contrib/for-tests/network-tester/service.json
|
||||||
hack/e2e.go
|
hack/e2e.go
|
||||||
hack/e2e-suite
|
|
||||||
hack/e2e-internal
|
hack/e2e-internal
|
||||||
hack/ginkgo-e2e.sh
|
hack/ginkgo-e2e.sh
|
||||||
hack/lib
|
hack/lib
|
||||||
|
|||||||
@ -414,8 +414,7 @@ func TestTemplateStrings(t *testing.T) {
|
|||||||
"true",
|
"true",
|
||||||
},
|
},
|
||||||
}
|
}
|
||||||
// The point of this test is to verify that the below template works. If you change this
|
// The point of this test is to verify that the below template works.
|
||||||
// template, you need to update hack/e2e-suite/update.sh.
|
|
||||||
tmpl := `{{if (exists . "status" "containerStatuses")}}{{range .status.containerStatuses}}{{if (and (eq .name "foo") (exists . "state" "running"))}}true{{end}}{{end}}{{end}}`
|
tmpl := `{{if (exists . "status" "containerStatuses")}}{{range .status.containerStatuses}}{{if (and (eq .name "foo") (exists . "state" "running"))}}true{{end}}{{end}}{{end}}`
|
||||||
p, err := NewTemplatePrinter([]byte(tmpl))
|
p, err := NewTemplatePrinter([]byte(tmpl))
|
||||||
if err != nil {
|
if err != nil {
|
||||||
|
|||||||
@ -1,50 +0,0 @@
|
|||||||
/*
|
|
||||||
Copyright 2015 The Kubernetes Authors 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
package e2e
|
|
||||||
|
|
||||||
import (
|
|
||||||
"bytes"
|
|
||||||
"fmt"
|
|
||||||
"os/exec"
|
|
||||||
"path/filepath"
|
|
||||||
|
|
||||||
. "github.com/onsi/ginkgo"
|
|
||||||
)
|
|
||||||
|
|
||||||
var _ = Describe("Shell", func() {
|
|
||||||
It("should pass tests for services.sh", func() {
|
|
||||||
// This test requires:
|
|
||||||
// - SSH
|
|
||||||
// - master access
|
|
||||||
// ... so the provider check should be identical to the intersection of
|
|
||||||
// providers that provide those capabilities.
|
|
||||||
SkipUnlessProviderIs("gce")
|
|
||||||
runCmdTest(filepath.Join(testContext.RepoRoot, "hack/e2e-suite/services.sh"))
|
|
||||||
})
|
|
||||||
})
|
|
||||||
|
|
||||||
// Runs the given cmd test.
|
|
||||||
func runCmdTest(path string) {
|
|
||||||
By(fmt.Sprintf("Running %v", path))
|
|
||||||
cmd := exec.Command(path)
|
|
||||||
cmd.Stdout = bytes.NewBuffer(nil)
|
|
||||||
cmd.Stderr = cmd.Stdout
|
|
||||||
|
|
||||||
if err := cmd.Run(); err != nil {
|
|
||||||
Fail(fmt.Sprintf("Error running %v:\nCommand output:\n%v\n", cmd, cmd.Stdout))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user