openstack-helm/tools/kubeadm-aio/kubeadm-aio-launcher.sh
Pete Birley 52c549a2d3 KubeADM-AIO: allow customisation of CNI
This PS adds the ability to customise the CNI used by
the AIO KubeADM container.

Change-Id: If531a896e38baeda32c008d9645c34174603c690
2017-08-15 08:12:21 -05:00

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#!/bin/bash
# Copyright 2017 The Openstack-Helm 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 -xe
# Setup shared mounts for kubelet
sudo mkdir -p /var/lib/kubelet
sudo mount --bind /var/lib/kubelet /var/lib/kubelet
sudo mount --make-shared /var/lib/kubelet
# Cleanup any old deployment
sudo docker rm -f kubeadm-aio || true
sudo docker rm -f kubelet || true
sudo docker ps -aq | xargs -r -l1 -P16 sudo docker rm -f
sudo rm -rfv \
/etc/cni/net.d \
/etc/kubernetes \
/var/lib/etcd \
/var/etcd \
/var/lib/kubelet/* \
/run/openvswitch \
/var/lib/nova \
${HOME}/.kubeadm-aio/admin.conf \
/var/lib/openstack-helm \
/var/lib/nfs-provisioner || true
: ${KUBE_CNI:="calico"}
: ${CNI_POD_CIDR:="192.168.0.0/16"}
# Launch Container
sudo docker run \
-dt \
--name=kubeadm-aio \
--net=host \
--security-opt=seccomp:unconfined \
--cap-add=SYS_ADMIN \
--tmpfs=/run \
--tmpfs=/run/lock \
--volume=/etc/machine-id:/etc/machine-id:ro \
--volume=${HOME}:${HOME}:rw \
--volume=${HOME}/.kubeadm-aio:/root:rw \
--volume=/etc/kubernetes:/etc/kubernetes:rw \
--volume=/sys/fs/cgroup:/sys/fs/cgroup:ro \
--volume=/var/run/docker.sock:/run/docker.sock \
--env KUBELET_CONTAINER=${KUBEADM_IMAGE} \
--env KUBE_VERSION=${KUBE_VERSION} \
--env KUBE_CNI=${KUBE_CNI} \
--env CNI_POD_CIDR=${CNI_POD_CIDR} \
${KUBEADM_IMAGE}
echo "Waiting for kubeconfig"
set +x
end=$(($(date +%s) + 240))
READY="False"
while true; do
if [ -f ${HOME}/.kubeadm-aio/admin.conf ]; then
READY="True"
fi
[ $READY == "True" ] && break || true
sleep 1
now=$(date +%s)
[ $now -gt $end ] && \
echo "KubeADM did not generate kubectl config in time" && \
sudo docker logs kubeadm-aio && exit -1
done
set -x
# Set perms of kubeconfig and set env-var
sudo chown $(id -u):$(id -g) ${HOME}/.kubeadm-aio/admin.conf
export KUBECONFIG=${HOME}/.kubeadm-aio/admin.conf
echo "Waiting for node to be ready before continuing"
set +x
end=$(($(date +%s) + 240))
READY="False"
while true; do
READY=$(kubectl get nodes --no-headers=true | awk "{ print \$2 }" | head -1)
[ $READY == "Ready" ] && break || true
sleep 1
now=$(date +%s)
[ $now -gt $end ] && \
echo "Kube node did not register as ready in time" && \
sudo docker logs kubeadm-aio && exit -1
done
set -x
# Waiting for kube-system pods to be ready before continuing
sudo docker exec kubeadm-aio wait-for-kube-pods kube-system
# Initialize Helm
helm init
# Initialize Environment for Development
sudo docker exec kubeadm-aio openstack-helm-dev-prep
: ${PVC_BACKEND:="nfs"}
if [ "$PVC_BACKEND" == "nfs" ]; then
# Deploy NFS provisioner into enviromment
sudo docker exec kubeadm-aio openstack-helm-nfs-prep
fi