/
test-cmd.sh
executable file
·2823 lines (2484 loc) · 140 KB
/
test-cmd.sh
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#!/bin/bash
# Copyright 2014 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This command checks that the built commands can function together for
# simple scenarios. It does not require Docker.
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"
else
kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/$1/healthz" "kubectl proxy --api-prefix=$1"
fi
}
function cleanup()
{
[[ -n "${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"
preserve_err_file=${PRESERVE_ERR_FILE-false}
for count in {0..3}; do
kubectl "$@" 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 $((2**count))
else
if [ "$preserve_err_file" != true ] ; then
rm "${ERROR_FILE}"
fi
break
fi
done
}
# Waits for the pods with the given label to match the list of names. Don't call
# this function unless you know the exact pod names, or expect no pods.
# $1: label to match
# $2: list of pod names sorted by name
# Example invocation:
# wait-for-pods-with-label "app=foo" "nginx-0nginx-1"
function wait-for-pods-with-label()
{
for i in $(seq 1 10); do
kubeout=`kubectl get po -l $1 --template '{{range.items}}{{.metadata.name}}{{end}}' --sort-by metadata.name "${kube_flags[@]}"`
if [[ $kubeout = $2 ]]; then
return
fi
echo Waiting for pods: $2, found $kubeout
sleep $i
done
kube::log::error_exit "Timeout waiting for pods with label $1"
}
kube::util::trap_add cleanup EXIT SIGINT
kube::util::ensure-temp-dir
BINS=(
cmd/kubectl
cmd/kube-apiserver
cmd/kube-controller-manager
)
make -C "${KUBE_ROOT}" WHAT="${BINS[*]}"
kube::etcd::start
ETCD_HOST=${ETCD_HOST:-127.0.0.1}
ETCD_PORT=${ETCD_PORT:-2379}
API_PORT=${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.
IMAGE_NGINX="gcr.io/google-containers/nginx:1.7.9"
IMAGE_DEPLOYMENT_R1="gcr.io/google-containers/nginx:test-cmd" # deployment-revision1.yaml
IMAGE_DEPLOYMENT_R2="$IMAGE_NGINX" # deployment-revision2.yaml
IMAGE_PERL="gcr.io/google-containers/perl"
# ensure ~/.kube/config isn't loaded by tests
HOME="${KUBE_TEMP}"
# Find a standard sed instance for use with edit scripts
SED=sed
if which gsed &>/dev/null; then
SED=gsed
fi
if ! ($SED --version 2>&1 | grep -q GNU); then
echo "!!! GNU sed is required. If on OS X, use 'brew install gnu-sed'."
exit 1
fi
# Check kubectl
kube::log::status "Running kubectl with no options"
"${KUBE_OUTPUT_HOSTBIN}/kubectl"
# Only run kubelet on platforms it supports
if [[ "$(go env GOHOSTOS)" == "linux" ]]; then
BINS=(
cmd/kubelet
)
make -C "${KUBE_ROOT}" WHAT="${BINS[*]}"
kube::log::status "Starting kubelet in masterless mode"
"${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:${KUBELET_HEALTHZ_PORT}/healthz" "kubelet"
fi
# Start kube-apiserver
kube::log::status "Starting kube-apiserver"
# Admission Controllers to invoke prior to persisting objects in cluster
ADMISSION_CONTROL="NamespaceLifecycle,LimitRanger,ResourceQuota"
"${KUBE_OUTPUT_HOSTBIN}/kube-apiserver" \
--address="127.0.0.1" \
--public-address-override="127.0.0.1" \
--port="${API_PORT}" \
--admission-control="${ADMISSION_CONTROL}" \
--etcd-servers="http://${ETCD_HOST}:${ETCD_PORT}" \
--public-address-override="127.0.0.1" \
--kubelet-port=${KUBELET_PORT} \
--runtime-config=api/v1 \
--storage-media-type="${KUBE_TEST_API_STORAGE_TYPE-}" \
--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="${CTLRMGR_PORT}" \
--kube-api-content-type="${KUBE_TEST_API_TYPE-}" \
--master="127.0.0.1:${API_PORT}" 1>&2 &
CTLRMGR_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${CTLRMGR_PORT}/healthz" "controller-manager"
if [[ "$(go env GOHOSTOS)" == "linux" ]]; then
kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/api/v1/nodes/127.0.0.1" "apiserver(nodes)"
else
# create a fake node
kubectl create -f - -s "http://127.0.0.1:${API_PORT}" << __EOF__
{
"kind": "Node",
"apiVersion": "v1",
"metadata": {
"name": "127.0.0.1"
},
"status": {
"capacity": {
"memory": "1Gi"
}
}
}
__EOF__
fi
# Expose kubectl directly for readability
PATH="${KUBE_OUTPUT_HOSTBIN}":$PATH
kube::log::status "Checking kubectl version"
kubectl version
# TODO: we need to note down the current default namespace and set back to this
# namespace after the tests are done.
kubectl config view
CONTEXT="test"
kubectl config set-context "${CONTEXT}"
kubectl config use-context "${CONTEXT}"
i=0
create_and_use_new_namespace() {
i=$(($i+1))
kubectl create namespace "namespace${i}"
kubectl config set-context "${CONTEXT}" --namespace="namespace${i}"
}
runTests() {
version="$1"
echo "Testing api version: $1"
if [[ -z "${version}" ]]; then
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
)
if [[ -z "${ALLOW_SKEW:-}" ]]; then
kube_flags+=("--match-server-version")
fi
[ "$(kubectl get nodes -o go-template='{{ .apiVersion }}' "${kube_flags[@]}")" == "v1" ]
else
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
)
if [[ -z "${ALLOW_SKEW:-}" ]]; then
kube_flags+=("--match-server-version")
fi
[ "$(kubectl get nodes -o go-template='{{ .apiVersion }}' "${kube_flags[@]}")" == "${version}" ]
fi
id_field=".metadata.name"
labels_field=".metadata.labels"
annotations_field=".metadata.annotations"
service_selector_field=".spec.selector"
rc_replicas_field=".spec.replicas"
rc_status_replicas_field=".status.replicas"
rc_container_image_field=".spec.template.spec.containers"
rs_replicas_field=".spec.replicas"
port_field="(index .spec.ports 0).port"
port_name="(index .spec.ports 0).name"
second_port_field="(index .spec.ports 1).port"
second_port_name="(index .spec.ports 1).name"
image_field="(index .spec.containers 0).image"
hpa_min_field=".spec.minReplicas"
hpa_max_field=".spec.maxReplicas"
hpa_cpu_field=".spec.targetCPUUtilizationPercentage"
petset_replicas_field=".spec.replicas"
job_parallelism_field=".spec.parallelism"
deployment_replicas=".spec.replicas"
secret_data=".data"
secret_type=".type"
deployment_image_field="(index .spec.template.spec.containers 0).image"
deployment_second_image_field="(index .spec.template.spec.containers 1).image"
change_cause_annotation='.*kubernetes.io/change-cause.*'
# Passing no arguments to create is an error
! kubectl create
#######################
# kubectl config set #
#######################
kube::log::status "Testing kubectl(${version}:config set)"
kubectl config set-cluster test-cluster --server="https://does-not-work"
# Get the api cert and add a comment to avoid flag parsing problems
cert_data=$(echo "#Comment" && cat "${TMPDIR:-/tmp}/apiserver.crt")
kubectl config set clusters.test-cluster.certificate-authority-data "$cert_data" --set-raw-bytes
r_writen=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}')
encoded=$(echo -n "$cert_data" | base64)
kubectl config set clusters.test-cluster.certificate-authority-data "$encoded"
e_writen=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}')
test "$e_writen" == "$r_writen"
#######################
# kubectl local proxy #
#######################
# 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
#########################
# RESTMapper evaluation #
#########################
kube::log::status "Testing RESTMapper"
RESTMAPPER_ERROR_FILE="${KUBE_TEMP}/restmapper-error"
### Non-existent resource type should give a recognizeable error
# Pre-condition: None
# Command
kubectl get "${kube_flags[@]}" unknownresourcetype 2>${RESTMAPPER_ERROR_FILE} || true
if grep -q "the server doesn't have a resource type" "${RESTMAPPER_ERROR_FILE}"; then
kube::log::status "\"kubectl get unknownresourcetype\" returns error as expected: $(cat ${RESTMAPPER_ERROR_FILE})"
else
kube::log::status "\"kubectl get unknownresourcetype\" returns unexpected error or non-error: $(cat ${RESTMAPPER_ERROR_FILE})"
exit 1
fi
rm "${RESTMAPPER_ERROR_FILE}"
# Post-condition: None
kubectl get "${kube_flags[@]}" --raw /version
# make sure the server was properly bootstrapped with clusterroles and bindings
kube::test::get_object_assert clusterroles/cluster-admin "{{.metadata.name}}" 'cluster-admin'
kube::test::get_object_assert clusterrolebindings/cluster-admin "{{.metadata.name}}" 'cluster-admin'
###########################
# POD creation / deletion #
###########################
kube::log::status "Testing kubectl(${version}:pods)"
### Create POD valid-pod from JSON
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/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' "{$id_field}" 'valid-pod'
# Describe command should print detailed information
kube::test::describe_object_assert pods 'valid-pod' "Name:" "Image:" "Node:" "Labels:" "Status:" "Controllers"
# Describe command should print events information by default
kube::test::describe_object_events_assert pods 'valid-pod'
# Describe command should not print events information when show-events=false
kube::test::describe_object_events_assert pods 'valid-pod' false
# Describe command should print events information when show-events=true
kube::test::describe_object_events_assert pods 'valid-pod' true
# Describe command (resource only) should print detailed information
kube::test::describe_resource_assert pods "Name:" "Image:" "Node:" "Labels:" "Status:" "Controllers"
# Describe command should print events information by default
kube::test::describe_resource_events_assert pods
# Describe command should not print events information when show-events=false
kube::test::describe_resource_events_assert pods false
# Describe command should print events information when show-events=true
kube::test::describe_resource_events_assert pods true
### Validate Export ###
kube::test::get_object_assert 'pods/valid-pod' "{{.metadata.namespace}} {{.metadata.name}}" '<no value> valid-pod' "--export=true"
### Dump current valid-pod POD
output_pod=$(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}}" ''
### Delete POD valid-pod by id with --now
# Pre-condition: valid-pod POD exists
kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete pod valid-pod "${kube_flags[@]}" --now
# Post-condition: valid-pod POD doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Create POD valid-pod from dumped YAML
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
echo "${output_pod}" | $SED '/namespace:/d' | kubectl create -f - "${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 test/fixtures/doc-yaml/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 valid-pod from JSON
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${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 YAML
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${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}}' ''
# Detailed tests for describe pod output
### Create a new namespace
# Pre-condition: the test-secrets namespace does not exist
kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"test-kubectl-describe-pod\" }}found{{end}}{{end}}:' ':'
# Command
kubectl create namespace test-kubectl-describe-pod
# Post-condition: namespace 'test-secrets' is created.
kube::test::get_object_assert 'namespaces/test-kubectl-describe-pod' "{{$id_field}}" 'test-kubectl-describe-pod'
### Create a generic secret
# Pre-condition: no SECRET exists
kube::test::get_object_assert 'secrets --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create secret generic test-secret --from-literal=key-1=value1 --type=test-type --namespace=test-kubectl-describe-pod
# Post-condition: secret exists and has expected values
kube::test::get_object_assert 'secret/test-secret --namespace=test-kubectl-describe-pod' "{{$id_field}}" 'test-secret'
kube::test::get_object_assert 'secret/test-secret --namespace=test-kubectl-describe-pod' "{{$secret_type}}" 'test-type'
### Create a generic configmap
# Pre-condition: no CONFIGMAP exists
kube::test::get_object_assert 'configmaps --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create configmap test-configmap --from-literal=key-2=value2 --namespace=test-kubectl-describe-pod
# Post-condition: configmap exists and has expected values
kube::test::get_object_assert 'configmap/test-configmap --namespace=test-kubectl-describe-pod' "{{$id_field}}" 'test-configmap'
# Create a pod that consumes secret, configmap, and downward API keys as envs
kube::test::get_object_assert 'pods --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" ''
kubectl create -f hack/testdata/pod-with-api-env.yaml --namespace=test-kubectl-describe-pod
kube::test::describe_object_assert 'pods --namespace=test-kubectl-describe-pod' 'env-test-pod' "TEST_CMD_1" "<set to the key 'key-1' in secret 'test-secret'>" "TEST_CMD_2" "<set to the key 'key-2' of config map 'test-configmap'>" "TEST_CMD_3" "env-test-pod (v1:metadata.name)"
# Describe command (resource only) should print detailed information about environment variables
kube::test::describe_resource_assert 'pods --namespace=test-kubectl-describe-pod' "TEST_CMD_1" "<set to the key 'key-1' in secret 'test-secret'>" "TEST_CMD_2" "<set to the key 'key-2' of config map 'test-configmap'>" "TEST_CMD_3" "env-test-pod (v1:metadata.name)"
# Clean-up
kubectl delete pod env-test-pod --namespace=test-kubectl-describe-pod
kubectl delete secret test-secret --namespace=test-kubectl-describe-pod
kubectl delete configmap test-configmap --namespace=test-kubectl-describe-pod
kubectl delete namespace test-kubectl-describe-pod
### Create two PODs
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
kubectl create -f examples/storage/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}}{{$id_field}}:{{end}}" ''
### Create valid-pod POD
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/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-condition: valid-pod is labelled
kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:'
### Label the valid-pod POD with empty label value
# Pre-condition: valid-pod does not have label "emptylabel"
kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:'
# Command
kubectl label pods valid-pod emptylabel="" "${kube_flags[@]}"
# Post-condition: valid pod contains "emptylabel" with no value
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.emptylabel}}" ''
### Annotate the valid-pod POD with empty annotation value
# Pre-condition: valid-pod does not have annotation "emptyannotation"
kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field}.emptyannotation}}" '<no value>'
# Command
kubectl annotate pods valid-pod emptyannotation="" "${kube_flags[@]}"
# Post-condition: valid pod contains "emptyannotation" with no value
kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field}.emptyannotation}}" ''
### Record label change
# Pre-condition: valid-pod does not have record annotation
kube::test::get_object_assert 'pod valid-pod' "{{range.items}}{{$annotations_field}}:{{end}}" ''
# Command
kubectl label pods valid-pod record-change=true --record=true "${kube_flags[@]}"
# Post-condition: valid-pod has record annotation
kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*--record=true.*"
### Do not record label change
# Command
kubectl label pods valid-pod no-record-change=true --record=false "${kube_flags[@]}"
# Post-condition: valid-pod's record annotation still contains command with --record=true
kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*--record=true.*"
### Record label change with unspecified flag and previous change already recorded
# Command
kubectl label pods valid-pod new-record-change=true "${kube_flags[@]}"
# Post-condition: valid-pod's record annotation contains new change
kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*new-record-change=true.*"
### 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}}{{$id_field}}:{{end}}" ''
### Create pod-with-precision POD
# Pre-condition: no POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f hack/testdata/pod-with-precision.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'pod-with-precision:'
## Patch preserves precision
# Command
kubectl patch "${kube_flags[@]}" pod pod-with-precision -p='{"metadata":{"annotations":{"patchkey": "patchvalue"}}}'
# Post-condition: pod-with-precision POD has patched annotation
kube::test::get_object_assert 'pod pod-with-precision' "{{${annotations_field}.patchkey}}" 'patchvalue'
# Command
kubectl label pods pod-with-precision labelkey=labelvalue "${kube_flags[@]}"
# Post-condition: pod-with-precision POD has label
kube::test::get_object_assert 'pod pod-with-precision' "{{${labels_field}.labelkey}}" 'labelvalue'
# Command
kubectl annotate pods pod-with-precision annotatekey=annotatevalue "${kube_flags[@]}"
# Post-condition: pod-with-precision POD has annotation
kube::test::get_object_assert 'pod pod-with-precision' "{{${annotations_field}.annotatekey}}" 'annotatevalue'
# Cleanup
kubectl delete pod pod-with-precision "${kube_flags[@]}"
### Annotate POD YAML file locally without effecting the live pod.
kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
# Command
kubectl annotate -f hack/testdata/pod.yaml annotatekey=annotatevalue "${kube_flags[@]}"
# Pre-condition: annotationkey is annotationvalue
kube::test::get_object_assert 'pod test-pod' "{{${annotations_field}.annotatekey}}" 'annotatevalue'
# Command
output_message=$(kubectl annotate --local -f hack/testdata/pod.yaml annotatekey=localvalue -o yaml "${kube_flags[@]}")
echo $output_message
# Post-condition: annotationkey is still annotationvalue in the live pod, but command output is the new value
kube::test::get_object_assert 'pod test-pod' "{{${annotations_field}.annotatekey}}" 'annotatevalue'
kube::test::if_has_string "${output_message}" "localvalue"
# Cleanup
kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
### Create valid-pod POD
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
## Patch can modify a local object
kubectl patch --local -f pkg/api/validation/testdata/v1/validPod.yaml --patch='{"spec": {"restartPolicy":"Never"}}' -o jsonpath='{.spec.restartPolicy}' | grep -q "Never"
## Patch pod can change image
# Command
kubectl patch "${kube_flags[@]}" pod valid-pod --record -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}}{{$image_field}}:{{end}}" 'nginx:'
# Post-condition: valid-pod has the record annotation
kube::test::get_object_assert pods "{{range.items}}{{$annotations_field}}:{{end}}" "${change_cause_annotation}"
# prove that patch can use different types
kubectl patch "${kube_flags[@]}" pod valid-pod --type="json" -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"nginx2"}]'
# Post-condition: valid-pod POD has image nginx
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx2:'
# prove that patch can use different types
kubectl patch "${kube_flags[@]}" pod valid-pod --type="json" -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"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 test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "gcr.io/google_containers/pause-amd64:3.0"}]}}'
# Post-condition: valid-pod POD has image gcr.io/google_containers/pause-amd64:3.0
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'gcr.io/google_containers/pause-amd64:3.0:'
## If resourceVersion is specified in the patch, it will be treated as a precondition, i.e., if the resourceVersion is different from that is stored in the server, the Patch should be rejected
ERROR_FILE="${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 {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'
## check replace --grace-period requires --force
output_message=$(! kubectl replace "${kube_flags[@]}" --grace-period=1 -f /tmp/tmp-valid-pod.json 2>&1)
kube::test::if_has_string "${output_message}" '\-\-grace-period must have \-\-force specified'
## check replace --timeout requires --force
output_message=$(! kubectl replace "${kube_flags[@]}" --timeout=1s -f /tmp/tmp-valid-pod.json 2>&1)
kube::test::if_has_string "${output_message}" '\-\-timeout must have \-\-force specified'
#cleaning
rm /tmp/tmp-valid-pod.json
## replace of a cluster scoped resource can succeed
# Pre-condition: a node exists
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Node",
"apiVersion": "v1",
"metadata": {
"name": "node-${version}-test"
}
}
__EOF__
kubectl replace -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Node",
"apiVersion": "v1",
"metadata": {
"name": "node-${version}-test",
"annotations": {"a":"b"}
}
}
__EOF__
# Post-condition: the node command succeeds
kube::test::get_object_assert "node node-${version}-test" "{{.metadata.annotations.a}}" 'b'
kubectl delete node node-${version}-test "${kube_flags[@]}"
## kubectl edit can update the image field of a POD. tmp-editor.sh is a fake editor
echo -e "#!/bin/bash\n$SED -i \"s/nginx/gcr.io\/google_containers\/serve_hostname/g\" \$1" > /tmp/tmp-editor.sh
chmod +x /tmp/tmp-editor.sh
# Pre-condition: valid-pod POD has image nginx
kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
EDITOR=/tmp/tmp-editor.sh kubectl edit "${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}}{{$image_field}}:{{end}}" 'gcr.io/google_containers/serve_hostname:'
# cleaning
rm /tmp/tmp-editor.sh
## kubectl edit should work on Windows
[ "$(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)" ]
[ ! "$(EDITOR=cat kubectl edit --windows-line-endings=false pod/valid-pod | file - | grep CRLF)" ]
### Label POD YAML file locally without effecting the live pod.
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
# Command
output_message=$(kubectl label --local --overwrite -f hack/testdata/pod.yaml name=localonlyvalue -o yaml "${kube_flags[@]}")
echo $output_message
# Post-condition: name is still valid-pod in the live pod, but command output is the new value
kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
kube::test::if_has_string "${output_message}" "localonlyvalue"
### Overwriting an existing label is not permitted
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' "{{${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
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml "${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 test/fixtures/doc-yaml/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
create_and_use_new_namespace
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 "${kube_flags[@]}"
## Configuration annotations should be set when --save-config is enabled
## 1. kubectl create --save-config should generate configuration annotation
# Pre-Condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$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
create_and_use_new_namespace
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="${KUBE_TEMP}/tmp-editor.sh"
echo -e "#!/bin/bash\n$SED -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 "${kube_flags[@]}"
## 3. kubectl replace --save-config should generate configuration annotation
# Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$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=$IMAGE_NGINX" --save-config --generator=run/v1 "${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}}{{$id_field}}:{{end}}" ''
# Command: expose the rc "nginx"
kubectl expose rc nginx --save-config --port=80 --target-port=8000 "${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}}{{$id_field}}:{{end}}" ''
kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}"
! [[ "$(kubectl get rc frontend -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]