#!/bin/bash ################################################################################ # Copyright (c) 2019 AT&T Intellectual Property. # # Copyright (c) 2019 Nokia. # # # # 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. # ################################################################################ # The intention for this script is to stand up a dev testing k8s environment # that is ready for RIC installation for individual developer/team's API and functional # testing needs. # The integration team will maintain the synchronization of software infrastructure # stack (software, versions and configurations) between this iscript and what is # provided for the E2E validation testing. Due to resource and other differences, this # environment is not intended for any testing related to performance, resilience, # robustness, etc. # This script installs docker host, a one-node k8s cluster, and Helm for CoDev. # This script assumes that it will be executed on an Ubuntu 16.04 VM. # It is best to be run as the cloud-init script at the VM launch time, or from a # "sudo -i" shell post-launch on a newly launched VM. # set -x DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )" source $DIR/../etc/k8s-1node if [ -z "$__RUNRICENV_GERRIT_HOST__" ]; then export __RUNRICENV_GERRIT_HOST__=$gerrithost fi if [ -z "$__RUNRICENV_GERRIT_IP__" ]; then export __RUNRICENV_GERRIT_IP__=$gerritip fi if [ -z "$__RUNRICENV_DOCKER_HOST__" ]; then export __RUNRICENV_DOCKER_HOST__=$dockerregistry fi if [ -z "$__RUNRICENV_DOCKER_IP__" ]; then export __RUNRICENV_DOCKER_IP__=$dockerip fi if [ -z "$__RUNRICENV_DOCKER_PORT__" ]; then export __RUNRICENV_DOCKER_PORT__=$dockerport fi if [ -z "$__RUNRICENV_DOCKER_USER__" ]; then export __RUNRICENV_DOCKER_USER__=$dockeruser fi if [ -z "$__RUNRICENV_DOCKER_PASS__" ]; then export __RUNRICENV_DOCKER_PASS__=$dockerpassword fi if [ -z "$__RUNRICENV_HELMREPO_HOST__" ]; then export __RUNRICENV_HELMREPO_HOST__=$helmrepo fi if [ -z "$__RUNRICENV_HELMREPO_PORT__" ]; then export __RUNRICENV_HELMREPO_PORT__=$helmport fi if [ -z "$__RUNRICENV_HELMREPO_IP__" ]; then export __RUNRICENV_HELMREPO_IP__=$helmip fi if [ -z "$__RUNRICENV_HELMREPO_USER__" ]; then export __RUNRICENV_HELMREPO_USER__=$helmuser fi if [ -z "$__RUNRICENV_HELMREPO_PASS__" ]; then export __RUNRICENV_HELMREPO_PASS__=$helmpassword fi # for RIC R0 we keep 1.13 export KUBEV="1.13.3" export KUBECNIV="0.6.0" export DOCKERV="18.06.1" # for new 1.14 release #export KUBEVERSION="1.14.0" #export KUBECNIVERSION="0.7.0" #export DOCKEFV="18.06.1" export HELMV="2.12.3" unset FIRSTBOOT unset DORESET while getopts ":r" opt; do case ${opt} in r ) DORESET='YES' ;; \? ) echo "Usage: $0 [-r]" exit ;; esac done if [ ! -e /var/tmp/firstboot4setupk8s ]; then echo "First time" FIRSTBOOT='YES' touch /var/tmp/firstboot4setupk8s modprobe -- ip_vs modprobe -- ip_vs_rr modprobe -- ip_vs_wrr modprobe -- ip_vs_sh modprobe -- nf_conntrack_ipv4 # disable swap SWAPFILES=$(grep swap /etc/fstab | sed '/^#/ d' |cut -f1 -d' ') if [ ! -z $SWAPFILES ]; then for SWAPFILE in $SWAPFILES do echo "disabling swap file $SWAPFILE" if [[ $SWAPFILE == UUID* ]]; then UUID=$(echo $SWAPFILE | cut -f2 -d'=') swapoff -U $UUID else swapoff $SWAPFILE fi # edit /etc/fstab file, remove line with /swapfile sed -i -e "/$SWAPFILE/d" /etc/fstab done fi # disable swap #swapoff /swapfile # edit /etc/fstab file, remove line with /swapfile #sed -i -e '/swapfile/d' /etc/fstab # add rancodev CI tool hostnames echo "${__RUNRICENV_GERRIT_IP__} ${__RUNRICENV_GERRIT_HOST__}" >> /etc/hosts echo "${__RUNRICENV_DOCKER_IP__} ${__RUNRICENV_DOCKER_HOST__}" >> /etc/hosts echo "${__RUNRICENV_HELMREPO_IP__} ${__RUNRICENV_HELMREPO_HOST__}" >> /etc/hosts # create kubenetes config file if [[ ${KUBEV} == 1.13.* ]]; then cat </root/config.yaml apiVersion: kubeadm.k8s.io/v1alpha3 kubernetesVersion: v${KUBEV} kind: ClusterConfiguration apiServerExtraArgs: feature-gates: SCTPSupport=true networking: dnsDomain: cluster.local podSubnet: 10.244.0.0/16 serviceSubnet: 10.96.0.0/12 --- apiVersion: kubeproxy.config.k8s.io/v1alpha1 kind: KubeProxyConfiguration mode: ipvs EOF elif [[ ${KUBEV} == 1.14.* ]]; then cat </root/config.yaml apiVersion: kubeadm.k8s.io/v1beta1 kubernetesVersion: v${KUBEV} kind: ClusterConfiguration apiServerExtraArgs: feature-gates: SCTPSupport=true networking: dnsDomain: cluster.local podSubnet: 10.244.0.0/16 serviceSubnet: 10.96.0.0/12 --- apiVersion: kubeproxy.config.k8s.io/v1alpha1 kind: KubeProxyConfiguration mode: ipvs EOF else echo "Unsupported Kubernetes version requested. Bail." exit fi # create a RBAC file for helm (tiller) cat < /root/rbac-config.yaml apiVersion: v1 kind: ServiceAccount metadata: name: tiller namespace: kube-system --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: tiller roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-admin subjects: - kind: ServiceAccount name: tiller namespace: kube-system EOF KUBEVERSION="${KUBEV}-00" CNIVERSION="${KUBECNIV}-00" DOCKERVERSION="${DOCKERV}-0ubuntu1.2~16.04.1" curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - echo 'deb http://apt.kubernetes.io/ kubernetes-xenial main' > /etc/apt/sources.list.d/kubernetes.list # install low latency kernel, docker.io, and kubernetes apt-get update apt-get install -y linux-image-4.15.0-45-lowlatency docker.io=${DOCKERVERSION} apt-get install -y kubernetes-cni=${CNIVERSION} apt-get install -y --allow-unauthenticated kubeadm=${KUBEVERSION} kubelet=${KUBEVERSION} kubectl=${KUBEVERSION} apt-mark hold kubernetes-cni kubelet kubeadm kubectl # install Helm HELMVERSION=${HELMV} cd /root mkdir Helm cd Helm wget https://storage.googleapis.com/kubernetes-helm/helm-v${HELMVERSION}-linux-amd64.tar.gz tar -xvf helm-v${HELMVERSION}-linux-amd64.tar.gz mv linux-amd64/helm /usr/local/bin/helm # add cert for accessing docker registry in Azure mkdir -p /etc/docker/certs.d/${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__} cat </etc/docker/ca.crt -----BEGIN CERTIFICATE----- MIIEPjCCAyagAwIBAgIJAIwtTKgVAnvrMA0GCSqGSIb3DQEBCwUAMIGzMQswCQYD VQQGEwJVUzELMAkGA1UECAwCTkoxEzARBgNVBAcMCkJlZG1pbnN0ZXIxDTALBgNV BAoMBEFUJlQxETAPBgNVBAsMCFJlc2VhcmNoMTswOQYDVQQDDDIqLmRvY2tlci5y YW5jby1kZXYtdG9vbHMuZWFzdHVzLmNsb3VkYXBwLmF6dXJlLmNvbTEjMCEGCSqG SIb3DQEJARYUcmljQHJlc2VhcmNoLmF0dC5jb20wHhcNMTkwMTI0MjA0MzIzWhcN MjQwMTIzMjA0MzIzWjCBszELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAk5KMRMwEQYD VQQHDApCZWRtaW5zdGVyMQ0wCwYDVQQKDARBVCZUMREwDwYDVQQLDAhSZXNlYXJj aDE7MDkGA1UEAwwyKi5kb2NrZXIucmFuY28tZGV2LXRvb2xzLmVhc3R1cy5jbG91 ZGFwcC5henVyZS5jb20xIzAhBgkqhkiG9w0BCQEWFHJpY0ByZXNlYXJjaC5hdHQu Y29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuAW1O52l9/1L+D7x Qv+782FjiELP9MWO0RCAL2JzV6Ioeo1IvuZl8jvXQVGlowanCdz1HZlMJjGm6Ybv 60dVECRSMZeOxUQ0JCus6thxOhDiiCFT59m+MpdrRgHqwOzw+8B49ZwULv+lTIWt ETEQkSYTh4No9jCxnyVLKH9DyTbaW/xFK484u5f4bh7mI5uqDJapOCRvJXv8/J0E eMrkCVmk5qy0ii8I7O0oCNl61YvC5by9GCeuQhloJJc6gOjzKW8nK9JfUW8G34bC qnUj79EgwgtW/8F5SYAF5LI0USM0xXjyzlnPMbv5mikrbf0EZkZXdUreICUIzY53 HRocCQIDAQABo1MwUTAdBgNVHQ4EFgQUm9NbNhZ3Zp1f50DIN4/4fvWQSNswHwYD VR0jBBgwFoAUm9NbNhZ3Zp1f50DIN4/4fvWQSNswDwYDVR0TAQH/BAUwAwEB/zAN BgkqhkiG9w0BAQsFAAOCAQEAkbuqbuMACRmzMXFKoSsMTLk/VRQDlKeubdP4lD2t Z+2dbhfbfiae9oMly7hPCDacoY0cmlBb2zZ8lgA7kVvuw0xwX8mLGYfOaNG9ENe5 XxFP8MuaCySy1+v5CsNnh/WM3Oznc6MTv/0Nor2DeY0XHQtM5LWrqyKGZaVAKpMW 5nHG8EPIZAOk8vj/ycg3ca3Wv3ne9/8rbrrxDJ3p4L70DOtz/JcQai10Spct4S0Z 7yd4tQL+QSQCvmN7Qm9+i52bY0swYrUAhbNiEX3yJDryKjSCPirePcieGZmBRMxr 7j28jxpa4g32TbWR/ZdxMYEkCVTFViTE23kZdNvahHKfdQ== -----END CERTIFICATE----- EOF cp /etc/docker/ca.crt /etc/docker/certs.d/${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}/ca.crt service docker restart systemctl enable docker.service docker login -u ${__RUNRICENV_DOCKER_USER__} -p ${__RUNRICENV_DOCKER_PASS__} ${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__} docker pull ${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}/whoami:0.0.1 # test access to k8s docker registry kubeadm config images pull else echo "Not first boot" kubectl get pods --all-namespaces fi if [ -n "$DORESET" ]; then kubeadm reset fi if [ -n ${DORESET+set} ] || [ -n ${FIRSTBOOT+set} ]; then # start cluster (make sure CIDR is enabled with the flag) kubeadm init --config /root/config.yaml # set up kubectl credential and config cd /root rm -rf .kube mkdir -p .kube cp -i /etc/kubernetes/admin.conf /root/.kube/config chown root:root /root/.kube/config # at this point we should be able to use kubectl kubectl get pods --all-namespaces # you will see the DNS pods stuck in pending state. They are waiting for some networking to be installed. # install flannel # kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/bc79dd1505b0c8681ece4de4c0d86c5cd2643275/Documentation/kube-flannel.yml # waiting for all kube-system pods to be in running state NUMPODS=0 while [ $NUMPODS -lt 8 ]; do sleep 5 OUTPUT=$(kubectl get pods --all-namespaces |grep Running) NUMPODS=$(echo "$OUTPUT" | wc -l) echo "Waiting for $NUMPODS / 8 kube-system pods reaching Running state" done # if running a single node cluster, need to enable master node to run pods kubectl taint nodes --all node-role.kubernetes.io/master- cd /root # install RBAC for Helm kubectl create -f rbac-config.yaml rm -rf .helm helm init --service-account tiller cat </etc/ca-certificates/update.d/helm.crt -----BEGIN CERTIFICATE----- MIIESjCCAzKgAwIBAgIJAIU+AfULkw0PMA0GCSqGSIb3DQEBCwUAMIG5MQswCQYD VQQGEwJVUzETMBEGA1UECAwKTmV3IEplcnNleTETMBEGA1UEBwwKQmVkbWluc3Rl cjENMAsGA1UECgwEQVQmVDERMA8GA1UECwwIUmVzZWFyY2gxOTA3BgNVBAMMMCou aGVsbS5yYW5jby1kZXYtdG9vbHMuZWFzdHVzLmNsb3VkYXBwLmF6dXJlLmNvbTEj MCEGCSqGSIb3DQEJARYUcmljQHJlc2VhcmNoLmF0dC5jb20wHhcNMTkwMzIxMTU1 MzAwWhcNMjEwMzIwMTU1MzAwWjCBuTELMAkGA1UEBhMCVVMxEzARBgNVBAgMCk5l dyBKZXJzZXkxEzARBgNVBAcMCkJlZG1pbnN0ZXIxDTALBgNVBAoMBEFUJlQxETAP BgNVBAsMCFJlc2VhcmNoMTkwNwYDVQQDDDAqLmhlbG0ucmFuY28tZGV2LXRvb2xz LmVhc3R1cy5jbG91ZGFwcC5henVyZS5jb20xIzAhBgkqhkiG9w0BCQEWFHJpY0By ZXNlYXJjaC5hdHQuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA tguhSQx5Dk2w+qx2AOcFRz7IZBASEehK1Z4f5jz2KrRylGx6jjedCZASdm1b0ZEB /ZNrKht1zsWDETa7x0DF+q0Z2blff+T+6+YrJWhNxYHgZiYVi9gTuNDzpn8VVn7f +cQxcMguHo1JBDIotOLubJ4T3/oXMCPv9kRSLHcNjbEE2yTB3AqXu9dvrDXuUdeU ot6RzxhKXxRCQXPS2/FDjSV9vr9h1dv5fIkFXihpYaag0XqvXcqgncvcOJ1SsLc3 DK+tyNknqG5SL8y2a7U4F7u+qGO2/3tnCO0ggYwa73hS0pQPY51EpRSckZqlfKEu Ut0s3wlEFP1VaU0RfU3aIwIDAQABo1MwUTAdBgNVHQ4EFgQUYTpoVXZPXSR/rhjr pu9PPhL7f9IwHwYDVR0jBBgwFoAUYTpoVXZPXSR/rhjrpu9PPhL7f9IwDwYDVR0T AQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAUDLbiKVIW6W9qFXLtoyO7S2e IOUSZ1F70pkfeYUqegsfFZ9njPtPqTzDfJVxYqH2V0vxxoAxXCYCpNyR6vYlYiEL R+oyxuvauW/yCoiwKBPYa4fD/PBajJnEO1EfIwZvjFLIfw4GjaX59+zDS3Zl0jT/ w3uhPSsJAYXtDKLZ14btA27cM5mW4kmxVD8CRdUW0jr/cN3Hqe9uLSNWCNiDwma7 RnpK7NnOgXHyhZD/nVC0nY7OzbK7VHFJatSOjyuMxgWsFGahwYNxf3AWfPwUai0K ne/fVFGZ6ifR9QdD0SuKIAEuqSyyP4BsQ92uEweU/gWKsnM6iNVmNFX8UOuU9A== -----END CERTIFICATE----- EOF # waiting for tiller pod to be in running state NUMPODS=0 while [ $NUMPODS -lt 1 ]; do sleep 5 OUTPUT=$(kubectl get pods --all-namespaces |grep Running) NUMPODS=$(echo "$OUTPUT" | grep "tiller-deploy" | wc -l) echo "Waiting for $NUMPODS / 1 tiller-deploy pod reaching Running state" done echo "All up" #reboot fi