mirror of https://github.com/k3s-io/k3s
Remove update.sh now that e2e/kubectl.go is stable
Jeff Lowdermilk
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e41d0bd544
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31b990a415
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#!/bin/bash
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# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Launches an nginx container and verifies it can be reached. Assumes that
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# we're being called by hack/e2e-test.sh (we use some env vars it sets up).
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# TODO: remove this once test/e2e/kubectl.go is green in jenkins
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set -o errexit
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set -o nounset
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set -o pipefail
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KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
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: ${KUBE_VERSION_ROOT:=${KUBE_ROOT}}
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: ${KUBECTL:="${KUBE_VERSION_ROOT}/cluster/kubectl.sh"}
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: ${KUBE_CONFIG_FILE:="config-test.sh"}
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export KUBECTL KUBE_CONFIG_FILE
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source "${KUBE_ROOT}/cluster/kube-env.sh"
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source "${KUBE_VERSION_ROOT}/cluster/${KUBERNETES_PROVIDER}/util.sh"
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prepare-e2e
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CONTROLLER_NAME=update-demo
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function validate() {
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local num_replicas=$1
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local container_image_version=$2
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# Container turn up on a clean cluster can take a while for the docker image pull.
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local num_running=0
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local i=0
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while [[ ${num_running} -ne ${num_replicas} ]]; do
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((i++)) || true
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if [[ ${i} -eq 20 ]]; then
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echo "Timed out waiting for all containers in pod to come up. (Reached ${num_running}/${num_replicas})"
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exit -1
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fi
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echo "Waiting for all containers in pod to come up. Currently: ${num_running}/${num_replicas} @ attempt ${i}"
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sleep 2
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local pod_id_list
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pod_id_list=($($KUBECTL get pods -o template --template='{{range.items}}{{.id}} {{end}}' -l name="${CONTROLLER_NAME}"))
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echo " ${#pod_id_list[@]} out of ${num_replicas} created"
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local id
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num_running=0
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if [[ ${#pod_id_list[@]} -ne $num_replicas ]]; then
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echo "Too few or too many replicas."
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continue
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fi
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for id in "${pod_id_list[@]+${pod_id_list[@]}}"; do
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local template_string current_status current_image host_ip
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# NB: kubectl adds the "exists" function to the standard template functions.
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# This lets us check to see if the "running" entry exists for each of the containers
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# we care about. Exists will never return an error and it's safe to check a chain of
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# things, any one of which may not exist. In the below template, all of info,
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# containername, and running might be nil, so the normal index function isn't very
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# helpful.
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# This template is unit-tested in kubec{tl|fg}, so if you change it, update the unit test.
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#
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# You can read about the syntax here: http://golang.org/pkg/text/template/
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template_string="{{and (exists . \"currentState\" \"info\" \"${CONTROLLER_NAME}\" \"state\" \"running\") (exists . \"currentState\" \"info\" \"POD\" \"state\" \"running\")}}"
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current_status=$($KUBECTL get pods "$id" -o template --template="${template_string}") || {
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if [[ $current_status =~ "pod \"${id}\" not found" ]]; then
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echo " $id no longer exists"
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continue
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else
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echo " kubectl failed with error:"
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echo $current_status
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exit -1
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fi
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}
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if [[ "$current_status" == "false" ]]; then
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echo " $id is created but not running."
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continue
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fi
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echo " $id is created and both POD and update-demo containers are running: $current_status"
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template_string="{{(index .currentState.info \"${CONTROLLER_NAME}\").image}}"
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current_image=$($KUBECTL get pods "$id" -o template --template="${template_string}") || true
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if [[ "$current_image" != "kubernetes/update-demo:${container_image_version}" ]]; then
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echo " ${id} is created but running wrong image"
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continue
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fi
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host_ip=$($KUBECTL get pods "$id" -o template --template='{{.currentState.hostIP}}')
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curl -s --max-time 5 --fail http://${host_ip}:8080/data.json \
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| grep -q ${container_image_version} || {
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echo " ${id} is running the right image but curl to contents failed or returned wrong info"
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continue
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}
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echo " ${id} is verified up and running"
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((num_running++)) || true
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done
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done
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return 0
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}
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function teardown() {
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echo "Cleaning up test artifacts"
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${KUBECTL} stop rc update-demo-kitten || true
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${KUBECTL} stop rc update-demo-nautilus || true
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}
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trap "teardown" EXIT
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# Launch a container
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${KUBECTL} create -f "${KUBE_ROOT}/examples/update-demo/nautilus-rc.yaml"
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validate 2 nautilus
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${KUBECTL} resize rc update-demo-nautilus --replicas=1
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sleep 2
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validate 1 nautilus
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${KUBECTL} resize rc update-demo-nautilus --replicas=2
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sleep 2
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validate 2 nautilus
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${KUBECTL} rollingupdate update-demo-nautilus --update-period=1s -f "${KUBE_ROOT}/examples/update-demo/kitten-rc.yaml"
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sleep 2
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validate 2 kitten
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exit 0
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