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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_PORT-}" ]] && kube::log::status "Stopping proxy on port ${PROXY_PORT}"
[[ -n "${PROXY_PID-}" ]] && kill "${PROXY_PID}" 1>&2 2>/dev/null
[[ -n "${PROXY_PORT_FILE-}" ]] && rm -f ${PROXY_PORT_FILE}
PROXY_PID=
PROXY_PORT=
PROXY_PORT_FILE=
}
# Starts "kubect proxy" to test the client proxy. $1: api_prefix
function start-proxy()
{
stop-proxy
PROXY_PORT_FILE=$(mktemp proxy-port.out.XXXXX)
kube::log::status "Starting kubectl proxy on random port; output file in ${PROXY_PORT_FILE}; args: ${1-}"
if [ $# -eq 0 ]; then
kubectl proxy --port=0 --www=. 1>${PROXY_PORT_FILE} 2>&1 &
else
kubectl proxy --port=0 --www=. --api-prefix="$1" 1>${PROXY_PORT_FILE} 2>&1 &
fi
PROXY_PID=$!
PROXY_PORT=
local attempts=0
while [[ -z ${PROXY_PORT} ]]; do
if (( ${attempts} > 9 )); then
kill "${PROXY_PID}"
kube::log::error_exit "Couldn't start proxy. Failed to read port after ${attempts} tries. Got: $(cat ${PROXY_PORT_FILE})"
fi
sleep .5
kube::log::status "Attempt ${attempts} to read ${PROXY_PORT_FILE}..."
PROXY_PORT=$(sed 's/.*Starting to serve on 127.0.0.1:\([0-9]*\)$/\1/'< ${PROXY_PORT_FILE})
attempts=$((attempts+1))
done
kube::log::status "kubectl proxy running on port ${PROXY_PORT}"
# We try checking kubectl proxy 30 times with 1s delays to avoid occasional
# failures.
if [ $# -eq 0 ]; then
kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/healthz" "kubectl proxy" 1 30
else
kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/$1/healthz" "kubectl proxy --api-prefix=$1" 1 30
fi
}
function cleanup()
{
[[ -n "${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 ${desired}"
return 1
}
# TODO: Remove this function when we do the retry inside the kubectl commands. See #15333.
function kubectl-with-retry()
{
ERROR_FILE="${KUBE_TEMP}/kubectl-error"
for count in $(seq 0 3); do
kubectl "$@" 2> ${ERROR_FILE} || true
if grep -q "the object has been modified" "${ERROR_FILE}"; then
kube::log::status "retry $1, error: $(cat ${ERROR_FILE})"
rm "${ERROR_FILE}"
sleep $((2**count))
else
rm "${ERROR_FILE}"
break
fi
done
}
kube::util::trap_add 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=${CTLRMGR_PORT:-10252}
PROXY_HOST=127.0.0.1 # kubectl only serves on localhost.
# ensure ~/.kube/config isn't loaded by tests
HOME="${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:${KUBELET_HEALTHZ_PORT}/healthz" "kubelet"
# Start kube-apiserver
kube::log::status "Starting kube-apiserver"
KUBE_API_VERSIONS="v1,extensions/v1beta1" "${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="${TMPDIR:-/tmp/}" \
--runtime_config="extensions/v1beta1/deployments=true" \
--service-cluster-ip-range="10.0.0.0/24" 1>&2 &
APISERVER_PID=$!
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
kube::log::status "Checking kubectl version"
kubectl version
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 -o go-template='{{ .apiVersion }}' "${kube_flags[@]}")" == "v1" ]
else
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
--match-server-version
--api-version="${version}"
)
[ "$(kubectl get nodes -o go-template='{{ .apiVersion }}' "${kube_flags[@]}")" == "${version}" ]
fi
id_field=".metadata.name"
labels_field=".metadata.labels"
annotations_field=".metadata.annotations"
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"
second_port_field="(index .spec.ports 1).port"
second_port_name="(index .spec.ports 1).name"
image_field="(index .spec.containers 0).image"
hpa_min_field=".spec.minReplicas"
hpa_max_field=".spec.maxReplicas"
hpa_cpu_field=".spec.cpuUtilization.targetPercentage"
job_parallelism_field=".spec.parallelism"
deployment_replicas=".spec.replicas"
secret_data=".data"
secret_type=".type"
# Passing no arguments to create is an error
! kubectl create
#######################
# kubectl local proxy #
#######################
# This next block disabled until non-racy solution to
# port allocation can be found (#19999).
#
# # Make sure the UI can be proxied
# start-proxy
# check-curl-proxy-code /ui 301
# check-curl-proxy-code /metrics 200
# check-curl-proxy-code /api/ui 404
# if [[ -n "${version}" ]]; then
# check-curl-proxy-code /api/${version}/namespaces 200
# fi
# check-curl-proxy-code /static/ 200
# stop-proxy
#
# # Make sure the in-development api is accessible by default
# start-proxy
# check-curl-proxy-code /apis 200
# check-curl-proxy-code /apis/extensions/ 200
# stop-proxy
#
# # Custom paths let you see everything.
# start-proxy /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(${version}:pods)"
### Create POD valid-pod from JSON
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f docs/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod POD is created
kubectl get "${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:" "Controllers"
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert pods "Name:" "Image(s):" "Node:" "Labels:" "Status:" "Controllers"
### Validate Export ###
kube::test::get_object_assert 'pods/valid-pod' "{{.metadata.namespace}} {{.metadata.name}}" '<no value> valid-pod' "--export=true"
### 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 exists
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: valid-pod POD doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create POD valid-pod from dumped YAML
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
echo "${output_pod}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: valid-pod POD is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod from JSON
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" --grace-period=0
# Post-condition: valid-pod POD doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create POD redis-master from JSON
# Pre-condition: no POD exists
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 created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod with label
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pods -l'name in (valid-pod)' "${kube_flags[@]}" --grace-period=0
# Post-condition: valid-pod POD doesn't exist
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' ''
### Create POD valid-pod from JSON
# Pre-condition: no POD exists
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 created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete PODs with no parameter mustn't kill everything
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
! kubectl delete pods "${kube_flags[@]}"
# Post-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete PODs with --all and a label selector is not permitted
# Pre-condition: valid-pod POD exists
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 exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete all PODs
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete --all pods "${kube_flags[@]}" --grace-period=0 # --all remove all the pods
# Post-condition: no POD exists
kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' ''
### Create two PODs
# Pre-condition: no POD exists
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 "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:'
### Delete multiple PODs at once
# Pre-condition: valid-pod and redis-proxy PODs exist
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 exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create valid-pod POD
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f docs/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is created
kube::test::get_object_assert pods "{{range.items}}{{$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$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:'
### Delete POD by label
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pods -lnew-name=new-valid-pod --grace-period=0 "${kube_flags[@]}"
# Post-condition: valid-pod POD doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create valid-pod POD
# Pre-condition: no POD exists
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 created
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}}{{$image_field}}:{{end}}" 'nginx:'
# prove that yaml input works too
YAML_PATCH=$'spec:\n containers:\n - name: kubernetes-serve-hostname\n image: changed-with-yaml\n'
kubectl patch "${kube_flags[@]}" pod valid-pod -p="${YAML_PATCH}"
# Post-condition: valid-pod POD has image nginx
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'changed-with-yaml:'
## Patch pod from JSON can change image
# Command
kubectl patch "${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}}{{$image_field}}:{{end}}" 'kubernetes/pause:'
## If resourceVersion is specified in the patch, it will be treated as a precondition, i.e., if the resourceVersion is different from that is stored in the server, the Patch should be rejected
ERROR_FILE="${KUBE_TEMP}/conflict-error"
## If the resourceVersion is the same as the one stored in the server, the patch will be applied.
# Command
# Needs to retry because other party may change the resource.
for count in $(seq 0 3); do
resourceVersion=$(kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{ .metadata.resourceVersion }}')
kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]},"metadata":{"resourceVersion":"'$resourceVersion'"}}' 2> "${ERROR_FILE}" || true
if grep -q "the object has been modified" "${ERROR_FILE}"; then
kube::log::status "retry $1, error: $(cat ${ERROR_FILE})"
rm "${ERROR_FILE}"
sleep $((2**count))
else
rm "${ERROR_FILE}"
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
break
fi
done
## If the resourceVersion is the different from the one stored in the server, the patch will be rejected.
resourceVersion=$(kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{ .metadata.resourceVersion }}')
((resourceVersion+=100))
# Command
kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]},"metadata":{"resourceVersion":"'$resourceVersion'"}}' 2> "${ERROR_FILE}" || true
# Post-condition: should get an error reporting the conflict
if grep -q "please apply your changes to the latest version and try again" "${ERROR_FILE}"; then
kube::log::status "\"kubectl patch with resourceVersion $resourceVersion\" returns error as expected: $(cat ${ERROR_FILE})"
else
kube::log::status "\"kubectl patch with resourceVersion $resourceVersion\" returns unexpected error or non-error: $(cat ${ERROR_FILE})"
exit 1
fi
rm "${ERROR_FILE}"
## --force replace pod can change other field, e.g., spec.container.name
# Command
kubectl get "${kube_flags[@]}" pod valid-pod -o json | sed 's/"kubernetes-serve-hostname"/"replaced-k8s-serve-hostname"/g' > /tmp/tmp-valid-pod.json
kubectl replace "${kube_flags[@]}" --force -f /tmp/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'
#cleaning
rm /tmp/tmp-valid-pod.json
## kubectl edit can update the image field of a POD. tmp-editor.sh is a fake editor
echo -e '#!/bin/bash\nsed -i "s/nginx/gcr.io\/google_containers\/serve_hostname/g" $1' > /tmp/tmp-editor.sh
chmod +x /tmp/tmp-editor.sh
EDITOR=/tmp/tmp-editor.sh kubectl edit "${kube_flags[@]}" pods/valid-pod
# Post-condition: valid-pod POD has image gcr.io/google_containers/serve_hostname
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'gcr.io/google_containers/serve_hostname:'
# cleaning
rm /tmp/tmp-editor.sh
[ "$(EDITOR=cat kubectl edit pod/valid-pod 2>&1 | grep 'Edit cancelled')" ]
[ "$(EDITOR=cat kubectl edit pod/valid-pod | grep 'name: valid-pod')" ]
[ "$(EDITOR=cat kubectl edit --windows-line-endings pod/valid-pod | file - | grep CRLF)" ]
[ ! "$(EDITOR=cat kubectl edit --windows-line-endings=false pod/valid-pod | file - | grep CRLF)" ]
### Overwriting an existing label is not permitted
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${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' "{{${labels_field}.name}}" 'valid-pod-super-sayan'
### Delete POD by label
# Pre-condition: valid-pod POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pods -l'name in (valid-pod-super-sayan)' --grace-period=0 "${kube_flags[@]}"
# Post-condition: valid-pod POD doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create two PODs from 1 yaml file
# Pre-condition: no POD exists
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 exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:'
### Delete two PODs from 1 yaml file
# Pre-condition: redis-master and redis-proxy PODs exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:'
# Command
kubectl delete -f docs/user-guide/multi-pod.yaml "${kube_flags[@]}"
# Post-condition: no PODs exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
## kubectl apply should update configuration annotations only if apply is already called
## 1. kubectl create doesn't set the annotation
# Pre-Condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command: create a pod "test-pod"
kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
# Post-Condition: pod "test-pod" is created
kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label'
# Post-Condition: pod "test-pod" doesn't have configuration annotation
! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
## 2. kubectl replace doesn't set the annotation
kubectl get pods test-pod -o yaml "${kube_flags[@]}" | sed 's/test-pod-label/test-pod-replaced/g' > "${KUBE_TEMP}"/test-pod-replace.yaml
# Command: replace the pod "test-pod"
kubectl replace -f "${KUBE_TEMP}"/test-pod-replace.yaml "${kube_flags[@]}"
# Post-Condition: pod "test-pod" is replaced
kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-replaced'
# Post-Condition: pod "test-pod" doesn't have configuration annotation
! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
## 3. kubectl apply does set the annotation
# Command: apply the pod "test-pod"
kubectl apply -f hack/testdata/pod-apply.yaml "${kube_flags[@]}"
# Post-Condition: pod "test-pod" is applied
kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-applied'
# Post-Condition: pod "test-pod" has configuration annotation
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration > "${KUBE_TEMP}"/annotation-configuration
## 4. kubectl replace updates an existing annotation
kubectl get pods test-pod -o yaml "${kube_flags[@]}" | sed 's/test-pod-applied/test-pod-replaced/g' > "${KUBE_TEMP}"/test-pod-replace.yaml
# Command: replace the pod "test-pod"
kubectl replace -f "${KUBE_TEMP}"/test-pod-replace.yaml "${kube_flags[@]}"
# Post-Condition: pod "test-pod" is replaced
kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-replaced'
# Post-Condition: pod "test-pod" has configuration annotation, and it's updated (different from the annotation when it's applied)
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration > "${KUBE_TEMP}"/annotation-configuration-replaced
! [[ $(diff -q "${KUBE_TEMP}"/annotation-configuration "${KUBE_TEMP}"/annotation-configuration-replaced > /dev/null) ]]
# Clean up
rm "${KUBE_TEMP}"/test-pod-replace.yaml "${KUBE_TEMP}"/annotation-configuration "${KUBE_TEMP}"/annotation-configuration-replaced
kubectl delete pods test-pod "${kube_flags[@]}"
## Configuration annotations should be set when --save-config is enabled
## 1. kubectl create --save-config should generate configuration annotation
# Pre-Condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command: create a pod "test-pod"
kubectl create -f hack/testdata/pod.yaml --save-config "${kube_flags[@]}"
# Post-Condition: pod "test-pod" has configuration annotation
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
## 2. kubectl edit --save-config should generate configuration annotation
# Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Command: edit the pod "test-pod"
temp_editor="${KUBE_TEMP}/tmp-editor.sh"
echo -e '#!/bin/bash\nsed -i "s/test-pod-label/test-pod-label-edited/g" $@' > "${temp_editor}"
chmod +x "${temp_editor}"
EDITOR=${temp_editor} kubectl edit pod test-pod --save-config "${kube_flags[@]}"
# Post-Condition: pod "test-pod" has configuration annotation
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
## 3. kubectl replace --save-config should generate configuration annotation
# Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Command: replace the pod "test-pod"
kubectl replace -f hack/testdata/pod.yaml --save-config "${kube_flags[@]}"
# Post-Condition: pod "test-pod" has configuration annotation
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
## 4. kubectl run --save-config should generate configuration annotation
# Pre-Condition: no RC exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command: create the rc "nginx" with image nginx
kubectl run nginx --image=nginx --save-config --generator=run/v1 "${kube_flags[@]}"
# Post-Condition: rc "nginx" has configuration annotation
[[ "$(kubectl get rc nginx -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
## 5. kubectl expose --save-config should generate configuration annotation
# Pre-Condition: no service exists
kube::test::get_object_assert svc "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command: expose the rc "nginx"
kubectl expose rc nginx --save-config --port=80 --target-port=8000 "${kube_flags[@]}"
# Post-Condition: service "nginx" has configuration annotation
[[ "$(kubectl get svc nginx -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete rc,svc nginx
## 6. kubectl autoscale --save-config should generate configuration annotation
# Pre-Condition: no RC exists, then create the rc "frontend", which shouldn't have configuration annotation
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
! [[ "$(kubectl get rc frontend -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Command: autoscale rc "frontend"
kubectl autoscale -f examples/guestbook/frontend-controller.yaml --save-config "${kube_flags[@]}" --max=2
# Post-Condition: hpa "frontend" has configuration annotation
[[ "$(kubectl get hpa frontend -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete rc,hpa frontend "${kube_flags[@]}"
## kubectl apply should create the resource that doesn't exist yet
# Pre-Condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command: apply a pod "test-pod" (doesn't exist) should create this pod
kubectl apply -f hack/testdata/pod.yaml "${kube_flags[@]}"
# Post-Condition: pod "test-pod" is created
kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label'
# Post-Condition: pod "test-pod" has configuration annotation
[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
# Clean up
kubectl delete pods test-pod "${kube_flags[@]}"
## kubectl run should create deployments or jobs
# Pre-Condition: no Job exists
kube::test::get_object_assert jobs "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl run pi --image=perl --restart=OnFailure -- perl -Mbignum=bpi -wle 'print bpi(20)' "${kube_flags[@]}"
# Post-Condition: Job "pi" is created
kube::test::get_object_assert jobs "{{range.items}}{{$id_field}}:{{end}}" 'pi:'
# Clean up
kubectl delete jobs pi "${kube_flags[@]}"
# Pre-Condition: no Deployment exists
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl run nginx --image=nginx --generator=deployment/v1beta1 "${kube_flags[@]}"
# Post-Condition: Deployment "nginx" is created
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx:'
# Clean up
kubectl delete deployment nginx "${kube_flags[@]}"
kubectl delete rc -l deployment.kubernetes.io/podTemplateHash "${kube_flags[@]}"
##############
# Namespaces #
##############
### Create a new namespace
# Pre-condition: only the "default" namespace exists
kube::test::get_object_assert 'namespaces' "{{range.items}}{{$id_field}}:{{end}}" 'default:'
# Command
kubectl create namespace my-namespace
# Post-condition: namespace 'my-namespace' is created.
kube::test::get_object_assert 'namespaces/my-namespace' "{{$id_field}}" 'my-namespace'
# Clean up
kubectl delete namespace my-namespace
##############
# Pods in Namespaces #
##############
### Create POD valid-pod in specific namespace
# Pre-condition: no POD exists
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" --namespace=other -f docs/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod POD is created
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Delete POD valid-pod in specific namespace
# Pre-condition: valid-pod POD exists
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: valid-pod POD doesn't exist
kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" ''
##############
# Secrets #
##############
### Create a generic secret in a specific namespace
# Pre-condition: no SECRET exists
kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create secret generic test-secret --from-literal=key1=value1 --type=test-type --namespace=test-secrets
# Post-condition: secret exists and has expected values
kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret'
kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'test-type'
[[ "$(kubectl get secret/test-secret --namespace=test-secrets -o yaml "${kube_flags[@]}" | grep 'key1: dmFsdWUx')" ]]
# Clean-up
kubectl delete secret test-secret --namespace=test-secrets
### Create a docker-registry secret in a specific namespace
# Pre-condition: no SECRET exists
kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create secret docker-registry test-secret --docker-username=test-user --docker-password=test-password --docker-email='test-user@test.com' --namespace=test-secrets
# Post-condition: secret exists and has expected values
kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret'
kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'kubernetes.io/dockercfg'
[[ "$(kubectl get secret/test-secret --namespace=test-secrets -o yaml "${kube_flags[@]}" | grep '.dockercfg:')" ]]
# Clean-up
kubectl delete secret test-secret --namespace=test-secrets
#################
# Pod templates #
#################
### Create PODTEMPLATE
# Pre-condition: no PODTEMPLATE
kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" ''
# Command
kubectl create -f docs/user-guide/walkthrough/podtemplate.json "${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(${version}:services)"
### Create redis-master service from JSON
# Pre-condition: Only the default kubernetes services exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command
kubectl create -f examples/guestbook/redis-master-service.yaml "${kube_flags[@]}"
# Post-condition: redis-master service exists
kube::test::get_object_assert services "{{range.items}}{{$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 exists
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 exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
### Create redis-master-service from dumped JSON
# Pre-condition: Only the default kubernetes services exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
# Command
echo "${output_service}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: redis-master service is created
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 exists
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-${version}-test"
},
"spec": {
"ports": [
{
"protocol": "TCP",
"port": 80,
"targetPort": 80
}
]
}
}
__EOF__
# Post-condition: service-${version}-test service is created
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: service-${version}-test exists
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:service-.*-test:'
# Command
kubectl delete service redis-master "${kube_flags[@]}"
kubectl delete service "service-${version}-test" "${kube_flags[@]}"
# Post-condition: Only the default kubernetes services exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
### Create two services
# Pre-condition: Only the default kubernetes services exist
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 "${kube_flags[@]}"
# Post-condition: redis-master and redis-slave services are created
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:'
### Custom columns can be specified
# Pre-condition: generate output using custom columns
output_message=$(kubectl get services -o=custom-columns=NAME:.metadata.name,RSRC:.metadata.resourceVersion 2>&1 "${kube_flags[@]}")
# Post-condition: should contain name column
kube::test::if_has_string "${output_message}" 'redis-master'
### Delete multiple services at once
# Pre-condition: redis-master and redis-slave services exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:'
# Command
kubectl delete services redis-master redis-slave "${kube_flags[@]}" # delete multiple services at once
# Post-condition: Only the default kubernetes services exist
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
###########################
# Replication controllers #
###########################
kube::log::status "Testing kubectl(${version}:replicationcontrollers)"
### Create and stop controller, make sure it doesn't leak pods
# Pre-condition: no replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
kubectl delete rc frontend "${kube_flags[@]}"
# Post-condition: no pods from frontend controller
kube::test::get_object_assert 'pods -l "name=frontend"' "{{range.items}}{{$id_field}}:{{end}}" ''
### Create replication controller frontend from JSON
# Pre-condition: no replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
# Post-condition: frontend replication controller is created
kube::test::get_object_assert rc "{{range.items}}{{$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 "${kube_flags[@]}"
# Post-condition: 4 replicas each
kube::test::get_object_assert 'rc redis-master' "{{$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[@]}"
### Scale a job
kubectl create -f docs/user-guide/job.yaml "${kube_flags[@]}"
# Command
kubectl scale --replicas=2 job/pi
# Post-condition: 2 replicas for pi
kube::test::get_object_assert 'job pi' "{{$job_parallelism_field}}" '2'
# Clean-up
kubectl delete job/pi "${kube_flags[@]}"
### Scale a deployment
kubectl create -f examples/extensions/deployment.yaml "${kube_flags[@]}"
# Command
kubectl scale --current-replicas=3 --replicas=1 deployment/nginx-deployment
# Post-condition: 1 replica for nginx-deployment
kube::test::get_object_assert 'deployment nginx-deployment' "{{$deployment_replicas}}" '1'
# Clean-up
kubectl delete deployment/nginx-deployment "${kube_flags[@]}"
# TODO: Remove once deployment reaping is implemented
kubectl delete rc --all "${kube_flags[@]}"
### Expose a deployment as a service
kubectl create -f examples/extensions/deployment.yaml "${kube_flags[@]}"
# Pre-condition: 3 replicas
kube::test::get_object_assert 'deployment nginx-deployment' "{{$deployment_replicas}}" '3'
# Command
kubectl expose deployment/nginx-deployment
# Post-condition: service exists and exposes deployment port (80)
kube::test::get_object_assert 'service nginx-deployment' "{{$port_field}}" '80'
# Clean-up
kubectl delete deployment/nginx-deployment service/nginx-deployment "${kube_flags[@]}"
# TODO: Remove once deployment reaping is implemented
kubectl delete rc --all "${kube_flags[@]}"
### Expose replication controller as service
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
# Pre-condition: 3 replicas
kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3'
# 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} "${kube_flags[@]}"
### Expose negative invalid resource test
# Pre-condition: don't need
# Command
output_message=$(! kubectl expose nodes 127.0.0.1 2>&1 "${kube_flags[@]}")
# Post-condition: the error message has "cannot expose" string
kube::test::if_has_string "${output_message}" 'cannot expose'
### Try to generate a service with invalid name (exceeding maximum valid size)
# Pre-condition: use --name flag
output_message=$(! kubectl expose -f hack/testdata/pod-with-large-name.yaml --name=invalid-large-service-name --port=8081 2>&1 "${kube_flags[@]}")
# Post-condition: should fail due to invalid name
kube::test::if_has_string "${output_message}" 'metadata.name: Invalid value'
# Pre-condition: default run without --name flag; should succeed by truncating the inherited name
output_message=$(kubectl expose -f hack/testdata/pod-with-large-name.yaml --port=8081 2>&1 "${kube_flags[@]}")
# Post-condition: inherited name from pod has been truncated
kube::test::if_has_string "${output_message}" '\"kubernetes-serve-hostnam\" exposed'
# Clean-up
kubectl delete svc kubernetes-serve-hostnam "${kube_flags[@]}"
### Expose multiport object as a new service
# Pre-condition: don't use --port flag
output_message=$(kubectl expose -f docs/admin/high-availability/etcd.yaml --selector=test=etcd 2>&1 "${kube_flags[@]}")
# Post-condition: expose succeeded
kube::test::if_has_string "${output_message}" '\"etcd-server\" exposed'
# Post-condition: generated service has both ports from the exposed pod
kube::test::get_object_assert 'service etcd-server' "{{$port_name}} {{$port_field}}" 'port-1 2380'
kube::test::get_object_assert 'service etcd-server' "{{$second_port_name}} {{$second_port_field}}" 'port-2 4001'
# Clean-up
kubectl delete svc etcd-server "${kube_flags[@]}"
### Delete replication controller with id
# Pre-condition: frontend replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:'
# Command
kubectl delete rc frontend "${kube_flags[@]}"
# Post-condition: no replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
### Create two replication controllers
# Pre-condition: no replication controller exists
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}}{{$id_field}}:{{end}}" 'frontend:redis-slave:'
# Command
kubectl delete rc frontend redis-slave "${kube_flags[@]}" # delete multiple controllers at once
# Post-condition: no replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
### Auto scale replication controller
# Pre-condition: no replication controller exists
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:'
# autoscale 1~2 pods, CPU utilization 70%, rc specified by file
kubectl autoscale -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}" --max=2 --cpu-percent=70
kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 70'
kubectl delete hpa frontend "${kube_flags[@]}"
# autoscale 2~3 pods, default CPU utilization (80%), rc specified by name
kubectl autoscale rc frontend "${kube_flags[@]}" --min=2 --max=3
kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 80'
kubectl delete hpa frontend "${kube_flags[@]}"
# autoscale without specifying --max should fail
! kubectl autoscale rc frontend "${kube_flags[@]}"
# Clean up
kubectl delete rc frontend "${kube_flags[@]}"
### Auto scale deployment
# Pre-condition: no deployment exists
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/extensions/deployment.yaml "${kube_flags[@]}"
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx-deployment:'
# autoscale 2~3 pods, default CPU utilization (80%)
kubectl-with-retry autoscale deployment nginx-deployment "${kube_flags[@]}" --min=2 --max=3
kube::test::get_object_assert 'hpa nginx-deployment' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 80'
# Clean up
kubectl delete hpa nginx-deployment "${kube_flags[@]}"
kubectl delete deployment nginx-deployment "${kube_flags[@]}"
kubectl delete rc -l deployment.kubernetes.io/podTemplateHash "${kube_flags[@]}"
######################
# ConfigMap #
######################
kubectl create -f docs/user-guide/configmap/config-map.yaml
kube::test::get_object_assert configmap "{{range.items}}{{$id_field}}{{end}}" 'test-configmap'
kubectl delete configmap test-configmap "${kube_flags[@]}"
######################
# Multiple Resources #
######################
kube::log::status "Testing kubectl(${version}:multiple resources)"
FILES="hack/testdata/multi-resource-yaml
hack/testdata/multi-resource-list
hack/testdata/multi-resource-json
hack/testdata/multi-resource-rclist
hack/testdata/multi-resource-svclist"
YAML=".yaml"
JSON=".json"
for file in $FILES; do
if [ -f $file$YAML ]
then
file=$file$YAML
replace_file="${file%.yaml}-modify.yaml"
else
file=$file$JSON
replace_file="${file%.json}-modify.json"
fi
has_svc=true
has_rc=true
two_rcs=false
two_svcs=false
if [[ "${file}" == *rclist* ]]; then
has_svc=false
two_rcs=true
fi
if [[ "${file}" == *svclist* ]]; then
has_rc=false
two_svcs=true
fi
### Create, get, describe, replace, label, annotate, and then delete service nginxsvc and replication controller my-nginx from 5 types of files:
### 1) YAML, separated by ---; 2) JSON, with a List type; 3) JSON, with JSON object concatenation
### 4) JSON, with a ReplicationControllerList type; 5) JSON, with a ServiceList type
echo "Testing with file ${file} and replace with file ${replace_file}"
# Pre-condition: no service (other than default kubernetes services) or replication controller exists
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f "${file}" "${kube_flags[@]}"
# Post-condition: mock service (and mock2) exists
if [ "$has_svc" = true ]; then
if [ "$two_svcs" = true ]; then
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:mock:mock2:'
else
kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:mock:'
fi
fi
# Post-condition: mock rc (and mock2) exists
if [ "$has_rc" = true ]; then
if [ "$two_rcs" = true ]; then
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'mock:mock2:'
else
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'mock:'
fi
fi
# Command
kubectl get -f "${file}" "${kube_flags[@]}"
# Command: watching multiple resources should return "not supported" error
WATCH_ERROR_FILE="${KUBE_TEMP}/kubectl-watch-error"
kubectl get -f "${file}" "${kube_flags[@]}" "--watch" 2> ${WATCH_ERROR_FILE} || true
if ! grep -q "watch is only supported on individual resources and resource collections" "${WATCH_ERROR_FILE}"; then
kube::log::error_exit "kubectl watch multiple resource returns unexpected error or non-error: $(cat ${WATCH_ERROR_FILE})" "1"
fi
kubectl describe -f "${file}" "${kube_flags[@]}"
# Command
kubectl replace -f $replace_file --force "${kube_flags[@]}"
# Post-condition: mock service (and mock2) and mock rc (and mock2) are replaced
if [ "$has_svc" = true ]; then
kube::test::get_object_assert 'services mock' "{{${labels_field}.status}}" 'replaced'
if [ "$two_svcs" = true ]; then
kube::test::get_object_assert 'services mock2' "{{${labels_field}.status}}" 'replaced'
fi
fi
if [ "$has_rc" = true ]; then
kube::test::get_object_assert 'rc mock' "{{${labels_field}.status}}" 'replaced'
if [ "$two_rcs" = true ]; then
kube::test::get_object_assert 'rc mock2' "{{${labels_field}.status}}" 'replaced'
fi
fi
# Command: kubectl edit multiple resources
temp_editor="${KUBE_TEMP}/tmp-editor.sh"
echo -e '#!/bin/bash\nsed -i "s/status\:\ replaced/status\:\ edited/g" $@' > "${temp_editor}"
chmod +x "${temp_editor}"
EDITOR="${temp_editor}" kubectl edit "${kube_flags[@]}" -f "${file}"
# Post-condition: mock service (and mock2) and mock rc (and mock2) are edited
if [ "$has_svc" = true ]; then
kube::test::get_object_assert 'services mock' "{{${labels_field}.status}}" 'edited'
if [ "$two_svcs" = true ]; then
kube::test::get_object_assert 'services mock2' "{{${labels_field}.status}}" 'edited'
fi
fi
if [ "$has_rc" = true ]; then
kube::test::get_object_assert 'rc mock' "{{${labels_field}.status}}" 'edited'
if [ "$two_rcs" = true ]; then
kube::test::get_object_assert 'rc mock2' "{{${labels_field}.status}}" 'edited'
fi
fi
# cleaning
rm "${temp_editor}"
# Command
# We need to set --overwrite, because otherwise, if the first attempt to run "kubectl label"
# fails on some, but not all, of the resources, retries will fail because it tries to modify
# existing labels.
kubectl-with-retry label -f $file labeled=true --overwrite "${kube_flags[@]}"
# Post-condition: mock service and mock rc (and mock2) are labeled
if [ "$has_svc" = true ]; then
kube::test::get_object_assert 'services mock' "{{${labels_field}.labeled}}" 'true'
if [ "$two_svcs" = true ]; then
kube::test::get_object_assert 'services mock2' "{{${labels_field}.labeled}}" 'true'
fi
fi
if [ "$has_rc" = true ]; then
kube::test::get_object_assert 'rc mock' "{{${labels_field}.labeled}}" 'true'
if [ "$two_rcs" = true ]; then
kube::test::get_object_assert 'rc mock2' "{{${labels_field}.labeled}}" 'true'
fi
fi
# Command
# Command
# We need to set --overwrite, because otherwise, if the first attempt to run "kubectl annotate"
# fails on some, but not all, of the resources, retries will fail because it tries to modify
# existing annotations.
kubectl-with-retry annotate -f $file annotated=true --overwrite "${kube_flags[@]}"
# Post-condition: mock service (and mock2) and mock rc (and mock2) are annotated
if [ "$has_svc" = true ]; then
kube::test::get_object_assert 'services mock' "{{${annotations_field}.annotated}}" 'true'
if [ "$two_svcs" = true ]; then
kube::test::get_object_assert 'services mock2' "{{${annotations_field}.annotated}}" 'true'
fi
fi
if [ "$has_rc" = true ]; then
kube::test::get_object_assert 'rc mock' "{{${annotations_field}.annotated}}" 'true'
if [ "$two_rcs" = true ]; then
kube::test::get_object_assert 'rc mock2' "{{${annotations_field}.annotated}}" 'true'
fi
fi
# Cleanup resources created
kubectl delete -f "${file}" "${kube_flags[@]}"
done
######################
# 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 "${kube_flags[@]}"
kube::test::get_object_assert "all -l'app=cassandra'" "{{range.items}}{{range .metadata.labels}}{{.}}:{{end}}{{end}}" 'cassandra:cassandra:cassandra:'
kubectl delete all -l app=cassandra "${kube_flags[@]}"
###########
# Explain #
###########
kube::log::status "Testing kubectl(${version}:explain)"
kubectl explain pods
# shortcuts work
kubectl explain po
kubectl explain po.status.message
###########
# Swagger #
###########
if [[ -n "${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" "${file}")" ]]
fi
#####################
# Kubectl --sort-by #
#####################
### sort-by should not panic if no pod exists
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl get pods --sort-by="{metadata.name}"
kube::test::clear_all
}
kube_api_versions=(
""
v1
)
for version in "${kube_api_versions[@]}"; do
KUBE_API_VERSIONS="v1,extensions/v1beta1" runTests "${version}"
done
kube::log::status "TEST PASSED"
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