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k3s/hack/test-cmd.sh

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#!/bin/bash
# Copyright 2014 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.
# This command checks that the built commands can function together for
# simple scenarios. It does not require Docker so it can run in travis.
set -o errexit
set -o nounset
set -o pipefail
KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
source "${KUBE_ROOT}/hack/lib/init.sh"
source "${KUBE_ROOT}/hack/lib/test.sh"
# Stops the running kubectl proxy, if there is one.
function stop-proxy()
{
[[ -n "${PROXY_PID-}" ]] && kill "${PROXY_PID}" 1>&2 2>/dev/null
PROXY_PID=
}
# Starts "kubect proxy" to test the client proxy. You may pass options, e.g.
# --api-prefix.
function start-proxy()
{
stop-proxy
kube::log::status "Starting kubectl proxy"
# the --www and --www-prefix are just to make something definitely show up for
# wait_for_url to see.
kubectl proxy -p ${PROXY_PORT} --www=. --www-prefix=/healthz "$@" 1>&2 &
PROXY_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/healthz" "kubectl proxy $@"
}
function cleanup()
{
[[ -n "${APISERVER_PID-}" ]] && kill "${APISERVER_PID}" 1>&2 2>/dev/null
[[ -n "${CTLRMGR_PID-}" ]] && kill "${CTLRMGR_PID}" 1>&2 2>/dev/null
[[ -n "${KUBELET_PID-}" ]] && kill "${KUBELET_PID}" 1>&2 2>/dev/null
stop-proxy
kube::etcd::cleanup
rm -rf "${KUBE_TEMP}"
kube::log::status "Clean up complete"
}
# Executes curl against the proxy. $1 is the path to use, $2 is the desired
# return code. Prints a helpful message on failure.
function check-curl-proxy-code()
{
local status
local -r address=$1
local -r desired=$2
local -r full_address="${PROXY_HOST}:${PROXY_PORT}${address}"
status=$(curl -w "%{http_code}" --silent --output /dev/null "${full_address}")
if [ "${status}" == "${desired}" ]; then
return 0
fi
echo "For address ${full_address}, got ${status} but wanted ${desired}"
return 1
}
trap cleanup EXIT SIGINT
kube::util::ensure-temp-dir
kube::etcd::start
ETCD_HOST=${ETCD_HOST:-127.0.0.1}
ETCD_PORT=${ETCD_PORT:-4001}
API_PORT=${API_PORT:-8080}
API_HOST=${API_HOST:-127.0.0.1}
KUBELET_PORT=${KUBELET_PORT:-10250}
KUBELET_HEALTHZ_PORT=${KUBELET_HEALTHZ_PORT:-10248}
CTLRMGR_PORT=${CTLRMGR_PORT:-10252}
PROXY_PORT=${PROXY_PORT:-8001}
PROXY_HOST=127.0.0.1 # kubectl only serves on localhost.
# ensure ~/.kube/config isn't loaded by tests
HOME="${KUBE_TEMP}"
# Check kubectl
kube::log::status "Running kubectl with no options"
"${KUBE_OUTPUT_HOSTBIN}/kubectl"
kube::log::status "Starting kubelet in masterless mode"
"${KUBE_OUTPUT_HOSTBIN}/kubelet" \
--really-crash-for-testing=true \
--root-dir=/tmp/kubelet.$$ \
--cert-dir="${TMPDIR:-/tmp/}" \
--docker-endpoint="fake://" \
--hostname-override="127.0.0.1" \
--address="127.0.0.1" \
--port="$KUBELET_PORT" \
--healthz-port="${KUBELET_HEALTHZ_PORT}" 1>&2 &
KUBELET_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${KUBELET_HEALTHZ_PORT}/healthz" "kubelet(masterless)"
kill ${KUBELET_PID} 1>&2 2>/dev/null
kube::log::status "Starting kubelet in masterful mode"
"${KUBE_OUTPUT_HOSTBIN}/kubelet" \
--really-crash-for-testing=true \
--root-dir=/tmp/kubelet.$$ \
--cert-dir="${TMPDIR:-/tmp/}" \
--docker-endpoint="fake://" \
--hostname-override="127.0.0.1" \
--address="127.0.0.1" \
--api-servers="${API_HOST}:${API_PORT}" \
--port="$KUBELET_PORT" \
--healthz-port="${KUBELET_HEALTHZ_PORT}" 1>&2 &
KUBELET_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${KUBELET_HEALTHZ_PORT}/healthz" "kubelet"
# Start kube-apiserver
kube::log::status "Starting kube-apiserver"
KUBE_API_VERSIONS="v1" "${KUBE_OUTPUT_HOSTBIN}/kube-apiserver" \
--address="127.0.0.1" \
--public-address-override="127.0.0.1" \
--port="${API_PORT}" \
--etcd-servers="http://${ETCD_HOST}:${ETCD_PORT}" \
--public-address-override="127.0.0.1" \
--kubelet-port=${KUBELET_PORT} \
--runtime-config=api/v1 \
--cert-dir="${TMPDIR:-/tmp/}" \
--service-cluster-ip-range="10.0.0.0/24" 1>&2 &
APISERVER_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/healthz" "apiserver"
# Start controller manager
kube::log::status "Starting controller-manager"
"${KUBE_OUTPUT_HOSTBIN}/kube-controller-manager" \
--port="${CTLRMGR_PORT}" \
--master="127.0.0.1:${API_PORT}" 1>&2 &
CTLRMGR_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${CTLRMGR_PORT}/healthz" "controller-manager"
kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/api/v1/nodes/127.0.0.1" "apiserver(nodes)"
# Expose kubectl directly for readability
PATH="${KUBE_OUTPUT_HOSTBIN}":$PATH
runTests() {
version="$1"
echo "Testing api version: $1"
if [[ -z "${version}" ]]; then
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
--match-server-version
)
[ "$(kubectl get nodes -t '{{ .apiVersion }}' "${kube_flags[@]}")" == "v1" ]
else
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
--match-server-version
--api-version="${version}"
)
[ "$(kubectl get nodes -t '{{ .apiVersion }}' "${kube_flags[@]}")" == "${version}" ]
fi
id_field=".metadata.name"
labels_field=".metadata.labels"
service_selector_field=".spec.selector"
rc_replicas_field=".spec.replicas"
rc_status_replicas_field=".status.replicas"
rc_container_image_field=".spec.template.spec.containers"
port_field="(index .spec.ports 0).port"
port_name="(index .spec.ports 0).name"
image_field="(index .spec.containers 0).image"
# Passing no arguments to create is an error
! kubectl create
#######################
# kubectl local proxy #
#######################
# Make sure the UI can be proxied
start-proxy --api-prefix=/
check-curl-proxy-code /ui 301
check-curl-proxy-code /metrics 200
if [[ -n "${version}" ]]; then
check-curl-proxy-code /api/${version}/namespaces 200
fi
stop-proxy
# Default proxy locks you into the /api path (legacy behavior)
start-proxy
check-curl-proxy-code /ui 404
check-curl-proxy-code /metrics 404
check-curl-proxy-code /api/ui 404
if [[ -n "${version}" ]]; then
check-curl-proxy-code /api/${version}/namespaces 200
fi
stop-proxy
# Custom paths let you see everything.
start-proxy --api-prefix=/custom
check-curl-proxy-code /custom/ui 301
check-curl-proxy-code /custom/metrics 200
if [[ -n "${version}" ]]; then
check-curl-proxy-code /custom/api/${version}/namespaces 200
fi
stop-proxy
###########################
# POD creation / deletion #
###########################
kube::log::status "Testing kubectl(${version}:pods)"
### Create POD valid-pod from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f docs/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod POD is running
kubectl get "${kube_flags[@]}" pods -o json
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
kube::test::get_object_assert 'pod valid-pod' "{{$id_field}}" 'valid-pod'
kube::test::get_object_assert 'pod/valid-pod' "{{$id_field}}" 'valid-pod'
kube::test::get_object_assert 'pods/valid-pod' "{{$id_field}}" 'valid-pod'
# Repeat above test using jsonpath template
kube::test::get_object_jsonpath_assert pods "{.items[*]$id_field}" 'valid-pod'
kube::test::get_object_jsonpath_assert 'pod valid-pod' "{$id_field}" 'valid-pod'
kube::test::get_object_jsonpath_assert 'pod/valid-pod' "{$id_field}" 'valid-pod'
kube::test::get_object_jsonpath_assert 'pods/valid-pod' "{$id_field}" 'valid-pod'
# Describe command should print detailed information
kube::test::describe_object_assert pods 'valid-pod' "Name:" "Image(s):" "Node:" "Labels:" "Status:" "Replication Controllers"
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert pods "Name:" "Image(s):" "Node:" "Labels:" "Status:" "Replication Controllers"
### Dump current valid-pod POD
output_pod=$(kubectl get pod valid-pod -o yaml --output-version=v1 "${kube_flags[@]}")
### Delete POD valid-pod by id
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pod valid-pod "${kube_flags[@]}" --grace-period=0
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create POD valid-pod from dumped YAML
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
echo "${output_pod}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod from JSON
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" --grace-period=0
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create POD redis-master from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod with label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pods -l'name in (valid-pod)' "${kube_flags[@]}" --grace-period=0
# Post-condition: no POD is running
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' ''
### Create POD valid-pod from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete PODs with no parameter mustn't kill everything
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
! kubectl delete pods "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete PODs with --all and a label selector is not permitted
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
! kubectl delete --all pods -l'name in (valid-pod)' "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete all PODs
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete --all pods "${kube_flags[@]}" --grace-period=0 # --all remove all the pods
# Post-condition: no POD is running
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' ''
### Create two PODs
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
kubectl create -f examples/redis/redis-proxy.yaml "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:'
### Delete multiple PODs at once
# Pre-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:'
# Command
kubectl delete pods valid-pod redis-proxy "${kube_flags[@]}" --grace-period=0 # delete multiple pods at once
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create two PODs
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
kubectl create -f examples/redis/redis-proxy.yaml "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:'
### Stop multiple PODs at once
# Pre-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:'
# Command
kubectl stop pods valid-pod redis-proxy "${kube_flags[@]}" --grace-period=0 # stop multiple pods at once
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create valid-pod POD
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Label the valid-pod POD
# Pre-condition: valid-pod is not labelled
kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:'
# Command
kubectl label pods valid-pod new-name=new-valid-pod "${kube_flags[@]}"
# Post-conditon: valid-pod is labelled
kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:'
### Delete POD by label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pods -lnew-name=new-valid-pod --grace-period=0 "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create valid-pod POD
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
## Patch pod can change image
# Command
kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]}}'
# Post-condition: valid-pod POD has image nginx
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
## Patch pod from JSON can change image
# Command
kubectl patch "${kube_flags[@]}" -f docs/admin/limitrange/valid-pod.yaml -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "kubernetes/pause"}]}}'
# Post-condition: valid-pod POD has image kubernetes/pause
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'kubernetes/pause:'
## --force replace pod can change other field, e.g., spec.container.name
# Command
kubectl get "${kube_flags[@]}" pod valid-pod -o json | sed 's/"kubernetes-serve-hostname"/"replaced-k8s-serve-hostname"/g' > tmp-valid-pod.json
kubectl replace "${kube_flags[@]}" --force -f tmp-valid-pod.json
# Post-condition: spec.container.name = "replaced-k8s-serve-hostname"
kube::test::get_object_assert 'pod valid-pod' "{{(index .spec.containers 0).name}}" 'replaced-k8s-serve-hostname'
rm tmp-valid-pod.json
### Overwriting an existing label is not permitted
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
# Command
! kubectl label pods valid-pod name=valid-pod-super-sayan "${kube_flags[@]}"
# Post-condition: name is still valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
### --overwrite must be used to overwrite existing label, can be applied to all resources
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
# Command
kubectl label --overwrite pods --all name=valid-pod-super-sayan "${kube_flags[@]}"
# Post-condition: name is valid-pod-super-sayan
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod-super-sayan'
### Delete POD by label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pods -l'name in (valid-pod-super-sayan)' --grace-period=0 "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create two PODs from 1 yaml file
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/user-guide/multi-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:'
### Delete two PODs from 1 yaml file
# Pre-condition: redis-master and redis-proxy PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:'
# Command
kubectl delete -f docs/user-guide/multi-pod.yaml "${kube_flags[@]}"
# Post-condition: no PODs are running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
##############
# Namespaces #
##############
### Create POD valid-pod in specific namespace
# Pre-condition: no POD is running
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" --namespace=other -f docs/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod POD is running
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod in specific namespace
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete "${kube_flags[@]}" pod --namespace=other valid-pod --grace-period=0
# Post-condition: no POD is running
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" ''
#################
# Pod templates #
#################
### Create PODTEMPLATE
# Pre-condition: no PODTEMPLATE
kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" ''
# Command
kubectl create -f docs/user-guide/walkthrough/podtemplate.json "${kube_flags[@]}"
# Post-condition: nginx PODTEMPLATE is available
kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" 'nginx:'
### Printing pod templates works
kubectl get podtemplates "${kube_flags[@]}"
[[ "$(kubectl get podtemplates -o yaml "${kube_flags[@]}" | grep nginx)" ]]
### Delete nginx pod template by name
# Pre-condition: nginx pod template is available
kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" 'nginx:'
# Command
kubectl delete podtemplate nginx "${kube_flags[@]}"
# Post-condition: No templates exist
kube::test::get_object_assert podtemplate "{{range.items}}{{.metadata.name}}:{{end}}" ''
############
# Services #
############
kube::log::status "Testing kubectl(${version}:services)"
### Create redis-master service from JSON
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command
kubectl create -f examples/guestbook/redis-master-service.yaml "${kube_flags[@]}"
# Post-condition: redis-master service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:'
# Describe command should print detailed information
kube::test::describe_object_assert services 'redis-master' "Name:" "Labels:" "Selector:" "IP:" "Port:" "Endpoints:" "Session Affinity:"
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert services "Name:" "Labels:" "Selector:" "IP:" "Port:" "Endpoints:" "Session Affinity:"
### Dump current redis-master service
output_service=$(kubectl get service redis-master -o json --output-version=v1 "${kube_flags[@]}")
### Delete redis-master-service by id
# Pre-condition: redis-master service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:'
# Command
kubectl delete service redis-master "${kube_flags[@]}"
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
### Create redis-master-service from dumped JSON
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command
echo "${output_service}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: redis-master service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:'
### Create redis-master-${version}-test service
# Pre-condition: redis-master-service service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:'
# Command
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Service",
"apiVersion": "v1",
"metadata": {
"name": "service-${version}-test"
},
"spec": {
"ports": [
{
"protocol": "TCP",
"port": 80,
"targetPort": 80
}
]
}
}
__EOF__
# Post-condition:redis-master-service service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:service-.*-test:'
### Identity
kubectl get service "${kube_flags[@]}" service-${version}-test -o json | kubectl replace "${kube_flags[@]}" -f -
### Delete services by id
# Pre-condition: redis-master-service service is running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:service-.*-test:'
# Command
kubectl delete service redis-master "${kube_flags[@]}"
kubectl delete service "service-${version}-test" "${kube_flags[@]}"
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
### Create two services
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command
kubectl create -f examples/guestbook/redis-master-service.yaml "${kube_flags[@]}"
kubectl create -f examples/guestbook/redis-slave-service.yaml "${kube_flags[@]}"
# Post-condition: redis-master and redis-slave services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:'
### Delete multiple services at once
# Pre-condition: redis-master and redis-slave services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:'
# Command
kubectl delete services redis-master redis-slave "${kube_flags[@]}" # delete multiple services at once
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
###########################
# Replication controllers #
###########################
kube::log::status "Testing kubectl(${version}:replicationcontrollers)"
### Create and stop controller, make sure it doesn't leak pods
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
kubectl stop rc frontend "${kube_flags[@]}"
# Post-condition: no pods from frontend controller
kube::test::get_object_assert 'pods -l "name=frontend"' "{{range.items}}{{$id_field}}:{{end}}" ''
### Create replication controller frontend from JSON
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
# Post-condition: frontend replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:'
# Describe command should print detailed information
kube::test::describe_object_assert rc 'frontend' "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:"
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert rc "Name:" "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:"
### Scale replication controller frontend with current-replicas and replicas
# Pre-condition: 3 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3'
# Command
kubectl scale --current-replicas=3 --replicas=2 replicationcontrollers frontend "${kube_flags[@]}"
# Post-condition: 2 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
### Scale replication controller frontend with (wrong) current-replicas and replicas
# Pre-condition: 2 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
# Command
! kubectl scale --current-replicas=3 --replicas=2 replicationcontrollers frontend "${kube_flags[@]}"
# Post-condition: nothing changed
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
### Scale replication controller frontend with replicas only
# Pre-condition: 2 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
# Command
kubectl scale --replicas=3 replicationcontrollers frontend "${kube_flags[@]}"
# Post-condition: 3 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3'
### Scale replication controller from JSON with replicas only
# Pre-condition: 3 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3'
# Command
kubectl scale --replicas=2 -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
# Post-condition: 2 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
### Scale multiple replication controllers
kubectl create -f examples/guestbook/redis-master-controller.yaml "${kube_flags[@]}"
kubectl create -f examples/guestbook/redis-slave-controller.yaml "${kube_flags[@]}"
# Command
kubectl scale rc/redis-master rc/redis-slave --replicas=4
# Post-condition: 4 replicas each
kube::test::get_object_assert 'rc redis-master' "{{$rc_replicas_field}}" '4'
kube::test::get_object_assert 'rc redis-slave' "{{$rc_replicas_field}}" '4'
# Clean-up
kubectl delete rc redis-{master,slave} "${kube_flags[@]}"
### Expose replication controller as service
# Pre-condition: 2 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2'
# Command
kubectl expose rc frontend --port=80 "${kube_flags[@]}"
# Post-condition: service exists and the port is unnamed
kube::test::get_object_assert 'service frontend' "{{$port_name}} {{$port_field}}" '<no value> 80'
# Command
kubectl expose service frontend --port=443 --name=frontend-2 "${kube_flags[@]}"
# Post-condition: service exists and the port is unnamed
kube::test::get_object_assert 'service frontend-2' "{{$port_name}} {{$port_field}}" '<no value> 443'
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
kubectl expose pod valid-pod --port=444 --name=frontend-3 "${kube_flags[@]}"
# Post-condition: service exists and the port is unnamed
kube::test::get_object_assert 'service frontend-3' "{{$port_name}} {{$port_field}}" '<no value> 444'
# Create a service using service/v1 generator
kubectl expose rc frontend --port=80 --name=frontend-4 --generator=service/v1 "${kube_flags[@]}"
# Post-condition: service exists and the port is named default.
kube::test::get_object_assert 'service frontend-4' "{{$port_name}} {{$port_field}}" 'default 80'
# Verify that expose service works without specifying a port.
kubectl expose service frontend --name=frontend-5 "${kube_flags[@]}"
# Post-condition: service exists with the same port as the original service.
kube::test::get_object_assert 'service frontend-5' "{{$port_field}}" '80'
# Cleanup services
kubectl delete pod valid-pod "${kube_flags[@]}"
kubectl delete service frontend{,-2,-3,-4,-5} "${kube_flags[@]}"
### Perform a rolling update with --image
# Command
kubectl rolling-update frontend --image=kubernetes/pause --update-period=10ns --poll-interval=10ms "${kube_flags[@]}"
# Post-condition: current image IS kubernetes/pause
kube::test::get_object_assert 'rc frontend' '{{range \$c:=$rc_container_image_field}} {{\$c.image}} {{end}}' ' +kubernetes/pause +'
### Delete replication controller with id
# Pre-condition: frontend replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:'
# Command
kubectl stop rc frontend "${kube_flags[@]}"
# Post-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
### Create two replication controllers
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
kubectl create -f examples/guestbook/redis-slave-controller.yaml "${kube_flags[@]}"
# Post-condition: frontend and redis-slave
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:'
### Delete multiple controllers at once
# Pre-condition: frontend and redis-slave
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:'
# Command
kubectl stop rc frontend redis-slave "${kube_flags[@]}" # delete multiple controllers at once
# Post-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
######################
# Persistent Volumes #
######################
### Create and delete persistent volume examples
# Pre-condition: no persistent volumes currently exist
kube::test::get_object_assert pv "{{range.items}}{{.$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/user-guide/persistent-volumes/volumes/local-01.yaml "${kube_flags[@]}"
kube::test::get_object_assert pv "{{range.items}}{{.$id_field}}:{{end}}" 'pv0001:'
kubectl delete pv pv0001 "${kube_flags[@]}"
kubectl create -f docs/user-guide/persistent-volumes/volumes/local-02.yaml "${kube_flags[@]}"
kube::test::get_object_assert pv "{{range.items}}{{.$id_field}}:{{end}}" 'pv0002:'
kubectl delete pv pv0002 "${kube_flags[@]}"
kubectl create -f docs/user-guide/persistent-volumes/volumes/gce.yaml "${kube_flags[@]}"
kube::test::get_object_assert pv "{{range.items}}{{.$id_field}}:{{end}}" 'pv0003:'
kubectl delete pv pv0003 "${kube_flags[@]}"
# Post-condition: no PVs
kube::test::get_object_assert pv "{{range.items}}{{.$id_field}}:{{end}}" ''
############################
# Persistent Volume Claims #
############################
### Create and delete persistent volume claim examples
# Pre-condition: no persistent volume claims currently exist
kube::test::get_object_assert pvc "{{range.items}}{{.$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/user-guide/persistent-volumes/claims/claim-01.yaml "${kube_flags[@]}"
kube::test::get_object_assert pvc "{{range.items}}{{.$id_field}}:{{end}}" 'myclaim-1:'
kubectl delete pvc myclaim-1 "${kube_flags[@]}"
kubectl create -f docs/user-guide/persistent-volumes/claims/claim-02.yaml "${kube_flags[@]}"
kube::test::get_object_assert pvc "{{range.items}}{{.$id_field}}:{{end}}" 'myclaim-2:'
kubectl delete pvc myclaim-2 "${kube_flags[@]}"
kubectl create -f docs/user-guide/persistent-volumes/claims/claim-03.json "${kube_flags[@]}"
kube::test::get_object_assert pvc "{{range.items}}{{.$id_field}}:{{end}}" 'myclaim-3:'
kubectl delete pvc myclaim-3 "${kube_flags[@]}"
# Post-condition: no PVCs
kube::test::get_object_assert pvc "{{range.items}}{{.$id_field}}:{{end}}" ''
#########
# Nodes #
#########
kube::log::status "Testing kubectl(${version}:nodes)"
kube::test::get_object_assert nodes "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:'
kube::test::describe_object_assert nodes "127.0.0.1" "Name:" "Labels:" "CreationTimestamp:" "Conditions:" "Addresses:" "Capacity:" "Pods:"
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert nodes "Name:" "Labels:" "CreationTimestamp:" "Conditions:" "Addresses:" "Capacity:" "Pods:"
### kubectl patch update can mark node unschedulable
# Pre-condition: node is schedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
kubectl patch "${kube_flags[@]}" nodes "127.0.0.1" -p='{"spec":{"unschedulable":true}}'
# Post-condition: node is unschedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" 'true'
kubectl patch "${kube_flags[@]}" nodes "127.0.0.1" -p='{"spec":{"unschedulable":null}}'
# Post-condition: node is schedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
#####################
# Retrieve multiple #
#####################
kube::log::status "Testing kubectl(${version}:multiget)"
kube::test::get_object_assert 'nodes/127.0.0.1 service/kubernetes' "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:kubernetes:'
#####################
# Resource aliasing #
#####################
kube::log::status "Testing resource aliasing"
kubectl create -f examples/cassandra/cassandra-controller.yaml "${kube_flags[@]}"
kubectl scale rc cassandra --replicas=1 "${kube_flags[@]}"
kubectl create -f examples/cassandra/cassandra-service.yaml "${kube_flags[@]}"
kube::test::get_object_assert "all -l'name=cassandra'" "{{range.items}}{{range .metadata.labels}}{{.}}:{{end}}{{end}}" 'cassandra:cassandra:cassandra:'
kubectl delete all -l name=cassandra "${kube_flags[@]}"
###########
# Swagger #
###########
if [[ -n "${version}" ]]; then
# Verify schema
file="${KUBE_TEMP}/schema-${version}.json"
curl -s "http://127.0.0.1:${API_PORT}/swaggerapi/api/${version}" > "${file}"
[[ "$(grep "list of returned" "${file}")" ]]
[[ "$(grep "list of pods" "${file}")" ]]
[[ "$(grep "watch for changes to the described resources" "${file}")" ]]
fi
kube::test::clear_all
}
kube_api_versions=(
""
v1
)
for version in "${kube_api_versions[@]}"; do
KUBE_API_VERSIONS="v1" runTests "${version}"
done
kube::log::status "TEST PASSED"
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