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kube-init.sh
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#!/bin/bash
# Copyright 2017 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.
set -x
function clean_exit(){
local error_code="$?"
local spawned=$(jobs -p)
if [ -n "$spawned" ]; then
kill $(jobs -p)
fi
return $error_code
}
trap "clean_exit" EXIT
# Switch off SE-Linux
setenforce 0
# Install docker if needed
path_to_executable=$(which docker)
if [ -x "$path_to_executable" ] ; then
echo "Found Docker installation"
else
curl -sSL https://get.docker.io | sudo bash
fi
docker --version
# Get the latest stable version of kubernetes
export K8S_VERSION=$(curl -sS https://storage.googleapis.com/kubernetes-release/release/stable.txt)
echo "K8S_VERSION : ${K8S_VERSION}"
echo "Starting docker service"
sudo systemctl enable docker.service
sudo systemctl start docker.service --ignore-dependencies
echo "Checking docker service"
sudo docker ps
# Run the docker containers for kubernetes
echo "Starting Kubernetes containers"
sudo docker run \
--volume=/:/rootfs:ro \
--volume=/sys:/sys:ro \
--volume=/var/lib/docker/:/var/lib/docker:rw \
--volume=/var/lib/kubelet/:/var/lib/kubelet:rw \
--volume=/var/run:/var/run:rw \
--net=host \
--pid=host \
--privileged=true \
--name=kubelet \
-d \
gcr.io/google_containers/hyperkube-amd64:${K8S_VERSION} \
/hyperkube kubelet \
--containerized \
--hostname-override="127.0.0.1" \
--address="0.0.0.0" \
--api-servers=http://localhost:8080 \
--config=/etc/kubernetes/manifests \
--allow-privileged=true --v=2
echo "Download Kubernetes CLI"
wget -O kubectl "http://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl"
chmod 755 kubectl
./kubectl get nodes
set +x
echo "Waiting for master components to start..."
for i in {1..300}
do
running_count=$(./kubectl -s=http://127.0.0.1:8080 get pods --no-headers 2>/dev/null | grep "Running" | wc -l)
# We expect to have 3 running pods - etcd, master and kube-proxy.
if [ "$running_count" -ge 3 ]; then
break
fi
echo -n "."
sleep 1
done
set -x
echo "SUCCESS"
echo "Cluster created!"
echo ""
echo "Dump Kubernetes Objects..."
./kubectl -s=http://127.0.0.1:8080 get componentstatuses
./kubectl -s=http://127.0.0.1:8080 get configmaps
./kubectl -s=http://127.0.0.1:8080 get daemonsets
./kubectl -s=http://127.0.0.1:8080 get deployments
./kubectl -s=http://127.0.0.1:8080 get events
./kubectl -s=http://127.0.0.1:8080 get endpoints
./kubectl -s=http://127.0.0.1:8080 get horizontalpodautoscalers
./kubectl -s=http://127.0.0.1:8080 get ingress
./kubectl -s=http://127.0.0.1:8080 get jobs
./kubectl -s=http://127.0.0.1:8080 get limitranges
./kubectl -s=http://127.0.0.1:8080 get nodes
./kubectl -s=http://127.0.0.1:8080 get namespaces
./kubectl -s=http://127.0.0.1:8080 get pods
./kubectl -s=http://127.0.0.1:8080 get persistentvolumes
./kubectl -s=http://127.0.0.1:8080 get persistentvolumeclaims
./kubectl -s=http://127.0.0.1:8080 get quota
./kubectl -s=http://127.0.0.1:8080 get resourcequotas
./kubectl -s=http://127.0.0.1:8080 get replicasets
./kubectl -s=http://127.0.0.1:8080 get replicationcontrollers
./kubectl -s=http://127.0.0.1:8080 get secrets
./kubectl -s=http://127.0.0.1:8080 get serviceaccounts
./kubectl -s=http://127.0.0.1:8080 get services
echo "Running tests..."
set -x -e
# Yield execution to venv command
$*