k3s/hack/test-cmd.sh

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#!/bin/bash
# Copyright 2014 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 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"
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
[[ -n ${PROXY_PID-} ]] && kill ${PROXY_PID} 1>&2 2>/dev/null
kube::etcd::cleanup
kube::log::status "Clean up complete"
}
trap cleanup EXIT SIGINT
kube::etcd::start
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ETCD_HOST=${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}
CTLRMGR_PORT=${CTLRMGR_PORT:-10252}
# Check kubectl
kube::log::status "Running kubectl with no options"
"${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.$$ \
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--docker_endpoint="fake://" \
--hostname_override="127.0.0.1" \
--address="127.0.0.1" \
--port="$KUBELET_PORT" 1>&2 &
KUBELET_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${KUBELET_PORT}/healthz" "kubelet: "
kill ${KUBELET_PID} 1>&2 2>/dev/null
kube::log::status "Starting kubelet in masterful mode"
"${KUBE_OUTPUT_HOSTBIN}/kubelet" \
--really_crash_for_testing=true \
--root_dir=/tmp/kubelet.$$ \
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--docker_endpoint="fake://" \
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--etcd_servers="http://${ETCD_HOST}:${ETCD_PORT}" \
--hostname_override="127.0.0.1" \
--address="127.0.0.1" \
--api_servers="${API_HOST}:${API_PORT}" \
--auth_path="${KUBE_ROOT}/hack/.test-cmd-auth" \
--port="$KUBELET_PORT" 1>&2 &
KUBELET_PID=$!
kube::util::wait_for_url "http://127.0.0.1:${KUBELET_PORT}/healthz" "kubelet: "
# Start kube-apiserver
kube::log::status "Starting kube-apiserver"
"${KUBE_OUTPUT_HOSTBIN}/kube-apiserver" \
--address="127.0.0.1" \
--public_address_override="127.0.0.1" \
--port="${API_PORT}" \
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--etcd_servers="http://${ETCD_HOST}:${ETCD_PORT}" \
--public_address_override="127.0.0.1" \
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--kubelet_port=${KUBELET_PORT} \
--runtime_config=api/v1beta3 \
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--portal_net="10.0.0.0/24" 1>&2 &
APISERVER_PID=$!
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" \
--machines="127.0.0.1" \
--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/v1beta1/minions/127.0.0.1" "apiserver(minions): " 0.2 25
# expose kubectl directly for readability
PATH="${KUBE_OUTPUT_HOSTBIN}":$PATH
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kube_api_versions=(
""
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v1beta1
v1beta2
v1beta3
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)
for version in "${kube_api_versions[@]}"; do
if [[ -z "${version}" ]]; then
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
--match-server-version
)
[ "$(kubectl get minions -t $'{{ .apiVersion }}' "${kube_flags[@]}")" == "v1beta1" ]
else
kube_flags=(
-s "http://127.0.0.1:${API_PORT}"
--match-server-version
--api-version="${version}"
)
[ "$(kubectl get minions -t $'{{ .apiVersion }}' "${kube_flags[@]}")" == "${version}" ]
fi
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# passing no arguments to create is an error
! kubectl create
###########################
# POD creation / deletion #
###########################
kube::log::status "Testing kubectl(${version}:pods)"
### Create POD valid-pod from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
kube::test::get_object_assert 'pod valid-pod' '{{.id}}' 'valid-pod'
### Dump current valid-pod POD
output_pod=$(kubectl get pod valid-pod -o yaml --output-version=v1beta1 "${kube_flags[@]}")
### Delete POD valid-pod by id
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pod valid-pod "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
### Create POD valid-pod from dumped YAML
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
echo "${output_pod}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete POD valid-pod from JSON
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
### Create POD redis-master from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete POD valid-pod with label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert 'pods -l name=valid-pod' '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pods -l name=valid-pod "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert 'pods -l name=valid-pod' '{{range.items}}{{.id}}:{{end}}' ''
### Create POD valid-pod from JSON
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete PODs with no parameter mustn't kill everything
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
! kubectl delete pods "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete PODs with --all and a label selector is not permitted
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
! kubectl delete --all pods -l name=valid-pod "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete all PODs
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete --all pods "${kube_flags[@]}" # --all remove all the pods
# Post-condition: no POD is running
kube::test::get_object_assert 'pods -l name=valid-pod' '{{range.items}}{{.id}}:{{end}}' ''
### Create two PODs
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
kubectl create -f examples/redis/redis-proxy.yaml "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'redis-proxy:valid-pod:'
### Delete multiple PODs at once
# Pre-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'redis-proxy:valid-pod:'
# Command
kubectl delete pods valid-pod redis-proxy "${kube_flags[@]}" # delete multiple pods at once
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
### Create two PODs
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
kubectl create -f examples/redis/redis-proxy.yaml "${kube_flags[@]}"
# Post-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'redis-proxy:valid-pod:'
### Stop multiple PODs at once
# Pre-condition: valid-pod and redis-proxy PODs are running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'redis-proxy:valid-pod:'
# Command
kubectl stop pods valid-pod redis-proxy "${kube_flags[@]}" # stop multiple pods at once
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
### Create valid-pod POD
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{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}}{{.}}:{{end}}' 'valid-pod:'
# Command
kubectl label pods valid-pod new-name=new-valid-pod "${kube_flags[@]}"
# Post-conditon: valid-pod is labelled
kube::test::get_object_assert 'pod valid-pod' '{{range.labels}}{{.}}:{{end}}' 'valid-pod:new-valid-pod:'
### Delete POD by label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pods -lnew-name=new-valid-pod "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
### Create valid-pod POD
# Pre-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/limitrange/valid-pod.json "${kube_flags[@]}"
# Post-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Overwriting an existing label is not permitted
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' '{{.labels.name}}' 'valid-pod'
# Command
! kubectl label pods valid-pod name=valid-pod-super-sayan "${kube_flags[@]}"
# Post-condition: name is still valid-pod
kube::test::get_object_assert 'pod valid-pod' '{{.labels.name}}' 'valid-pod'
### --overwrite must be used to overwrite existing label
# Pre-condition: name is valid-pod
kube::test::get_object_assert 'pod valid-pod' '{{.labels.name}}' 'valid-pod'
# Command
kubectl label --overwrite pods valid-pod name=valid-pod-super-sayan "${kube_flags[@]}"
# Post-condition: name is valid-pod-super-sayan
kube::test::get_object_assert 'pod valid-pod' '{{.labels.name}}' 'valid-pod-super-sayan'
### Delete POD by label
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete pods -lname=valid-pod-super-sayan "${kube_flags[@]}"
# Post-condition: no POD is running
kube::test::get_object_assert pods '{{range.items}}{{.id}}:{{end}}' ''
##############
# Namespaces #
##############
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### Create POD valid-pod in specific namespace
# Pre-condition: no POD is running
kube::test::get_object_assert 'pods --namespace=other' '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create "${kube_flags[@]}" --namespace=other -f examples/limitrange/valid-pod.json
# Post-condition: valid-pod POD is running
kube::test::get_object_assert 'pods --namespace=other' '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
### Delete POD valid-pod in specific namespace
# Pre-condition: valid-pod POD is running
kube::test::get_object_assert 'pods --namespace=other' '{{range.items}}{{.id}}:{{end}}' 'valid-pod:'
# Command
kubectl delete "${kube_flags[@]}" pod --namespace=other valid-pod
# Post-condition: no POD is running
kube::test::get_object_assert 'pods --namespace=other' '{{range.items}}{{.id}}:{{end}}' ''
############
# Services #
############
kube::log::status "Testing kubectl(${version}:services)"
### Create redis-master service from JSON
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
# Command
kubectl create -f examples/guestbook/redis-master-service.json "${kube_flags[@]}"
# Post-condition: redis-master service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:'
### Dump current redis-master service
output_service=$(kubectl get service redis-master -o json --output-version=v1beta3 "${kube_flags[@]}")
### Delete redis-master-service by id
# Pre-condition: redis-master service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:'
# Command
kubectl delete service redis-master "${kube_flags[@]}"
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
### Create redis-master-service from dumped JSON
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
# Command
echo "${output_service}" | kubectl create -f - "${kube_flags[@]}"
# Post-condition: redis-master service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:'
### Create redis-master-${version}-test service
# Pre-condition: redis-master-service service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:'
# Command
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Service",
"apiVersion": "v1beta1",
"id": "service-${version}-test",
"port": 80,
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"protocol": "TCP"
}
__EOF__
# Post-condition:redis-master-service service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:service-.*-test:'
# Command
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kubectl update service "${kube_flags[@]}" service-${version}-test --patch="{\"selector\":{\"my\":\"test-label\"},\"apiVersion\":\"v1beta1\"}"
# Post-condition: selector.version == ${version}
# This test works only in v1beta1 and v1beta2
# https://github.com/GoogleCloudPlatform/kubernetes/issues/4771
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kube::test::get_object_assert "service service-${version}-test" "{{range.selector}}{{.}}{{end}}" "test-label"
### Identity
kubectl get service "${kube_flags[@]}" service-${version}-test -o json | kubectl update "${kube_flags[@]}" -f -
### Delete services by id
# Pre-condition: redis-master-service service is running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:service-.*-test:'
# Command
kubectl delete service redis-master "${kube_flags[@]}"
kubectl delete service "service-${version}-test" "${kube_flags[@]}"
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
### Create two services
# Pre-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
# Command
kubectl create -f examples/guestbook/redis-master-service.json "${kube_flags[@]}"
kubectl create -f examples/guestbook/redis-slave-service.json "${kube_flags[@]}"
# Post-condition: redis-master and redis-slave services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:redisslave:'
### Delete multiple services at once
# Pre-condition: redis-master and redis-slave services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:redis-master:redisslave:'
# Command
kubectl delete services redis-master redisslave "${kube_flags[@]}" # delete multiple services at once
# Post-condition: Only the default kubernetes services are running
kube::test::get_object_assert services '{{range.items}}{{.id}}:{{end}}' 'kubernetes:kubernetes-ro:'
###########################
# Replication controllers #
###########################
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kube::log::status "Testing kubectl(${version}:replicationcontrollers)"
### Create replication controller frontend from JSON
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{.id}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.json "${kube_flags[@]}"
# Post-condition: frontend replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{.id}}:{{end}}" 'frontend-controller:'
### Resize replication controller frontend with current-replicas and replicas
# Pre-condition: 3 replicas
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '3'
# Command
kubectl resize --current-replicas=3 --replicas=2 replicationcontrollers frontend-controller "${kube_flags[@]}"
# Post-condition: 2 replicas
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '2'
### Resize replication controller frontend with (wrong) current-replicas and replicas
# Pre-condition: 2 replicas
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '2'
# Command
! kubectl resize --current-replicas=3 --replicas=2 replicationcontrollers frontend-controller "${kube_flags[@]}"
# Post-condition: nothing changed
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '2'
### Resize replication controller frontend with replicas only
# Pre-condition: 2 replicas
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '2'
# Command
kubectl resize --replicas=3 replicationcontrollers frontend-controller "${kube_flags[@]}"
# Post-condition: 3 replicas
kube::test::get_object_assert 'rc frontend-controller' '{{.desiredState.replicas}}' '3'
### Delete replication controller with id
# Pre-condition: frontend replication controller is running
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' 'frontend-controller:'
# Command
kubectl delete rc frontend-controller "${kube_flags[@]}"
# Post-condition: no replication controller is running
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' ''
### Create two replication controllers
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' ''
# Command
kubectl create -f examples/guestbook/frontend-controller.json "${kube_flags[@]}"
kubectl create -f examples/guestbook/redis-slave-controller.json "${kube_flags[@]}"
# Post-condition: frontend and redis-slave
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' 'frontend-controller:redis-slave-controller:'
### Delete multiple controllers at once
# Pre-condition: frontend and redis-slave
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' 'frontend-controller:redis-slave-controller:'
# Command
kubectl delete rc frontend-controller redis-slave-controller "${kube_flags[@]}" # delete multiple controllers at once
# Post-condition: no replication controller is running
kube::test::get_object_assert rc '{{range.items}}{{.id}}:{{end}}' ''
#########
# Nodes #
#########
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kube::log::status "Testing kubectl(${version}:nodes)"
kube::test::get_object_assert nodes '{{range.items}}{{.id}}:{{end}}' '127.0.0.1:'
###########
# Minions #
###########
if [[ "${version}" != "v1beta3" ]]; then
kube::log::status "Testing kubectl(${version}:minions)"
kube::test::get_object_assert minions '{{range.items}}{{.id}}:{{end}}' '127.0.0.1:'
# TODO: I should be a MinionList instead of List
kube::test::get_object_assert minions '{{.kind}}' 'List'
fi
kube::test::clear_all
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done
kube::log::status "TEST PASSED"