3 ################################################################################
4 # Copyright (c) 2019 AT&T Intellectual Property. #
5 # Copyright (c) 2019 Nokia. #
7 # Licensed under the Apache License, Version 2.0 (the "License"); #
8 # you may not use this file except in compliance with the License. #
9 # You may obtain a copy of the License at #
11 # http://www.apache.org/licenses/LICENSE-2.0 #
13 # Unless required by applicable law or agreed to in writing, software #
14 # distributed under the License is distributed on an "AS IS" BASIS, #
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
16 # See the License for the specific language governing permissions and #
17 # limitations under the License. #
18 ################################################################################
20 # The intention for this script is to stand up a dev testing k8s environment
21 # that is ready for RIC installation for individual developer/team's API and functional
23 # The integration team will maintain the synchronization of software infrastructure
24 # stack (software, versions and configurations) between this iscript and what is
25 # provided for the E2E validation testing. Due to resource and other differences, this
26 # environment is not intended for any testing related to performance, resilience,
29 # This script installs docker host, a one-node k8s cluster, and Helm for CoDev.
30 # This script assumes that it will be executed on an Ubuntu 16.04 VM.
31 # It is best to be run as the cloud-init script at the VM launch time, or from a
32 # "sudo -i" shell post-launch on a newly launched VM.
37 # for RIC R0 we keep 1.13
39 export KUBECNIV="0.6.0"
40 export DOCKERV="18.06.1"
42 # for new 1.14 release
43 #export KUBEVERSION="1.14.0"
44 #export KUBECNIVERSION="0.7.0"
45 #export DOCKEFV="18.06.1"
52 while getopts ":r" opt; do
65 if [ ! -e /var/tmp/firstboot4setupk8s ]; then
68 touch /var/tmp/firstboot4setupk8s
74 modprobe -- nf_conntrack_ipv4
77 SWAPFILES=$(grep swap /etc/fstab | sed '/^#/ d' |cut -f1 -d' ')
78 if [ ! -z $SWAPFILES ]; then
79 for SWAPFILE in $SWAPFILES
81 echo "disabling swap file $SWAPFILE"
82 if [[ $SWAPFILE == UUID* ]]; then
83 UUID=$(echo $SWAPFILE | cut -f2 -d'=')
88 # edit /etc/fstab file, remove line with /swapfile
89 sed -i -e "/$SWAPFILE/d" /etc/fstab
94 # edit /etc/fstab file, remove line with /swapfile
95 #sed -i -e '/swapfile/d' /etc/fstab
98 # add rancodev CI tool hostnames
99 echo "${__RUNRICENV_GERRIT_IP__} ${__RUNRICENV_GERRIT_HOST__}" >> /etc/hosts
100 echo "${__RUNRICENV_DOCKER_IP__} ${__RUNRICENV_DOCKER_HOST__}" >> /etc/hosts
101 echo "${__RUNRICENV_HELMREPO_IP__} ${__RUNRICENV_HELMREPO_HOST__}" >> /etc/hosts
104 # create kubenetes config file
105 if [[ ${KUBEV} == 1.13.* ]]; then
106 cat <<EOF >/root/config.yaml
107 apiVersion: kubeadm.k8s.io/v1alpha3
108 kubernetesVersion: v${KUBEV}
109 kind: ClusterConfiguration
111 feature-gates: SCTPSupport=true
113 dnsDomain: cluster.local
114 podSubnet: 10.244.0.0/16
115 serviceSubnet: 10.96.0.0/12
118 apiVersion: kubeproxy.config.k8s.io/v1alpha1
119 kind: KubeProxyConfiguration
122 elif [[ ${KUBEV} == 1.14.* ]]; then
123 cat <<EOF >/root/config.yaml
124 apiVersion: kubeadm.k8s.io/v1beta1
125 kubernetesVersion: v${KUBEV}
126 kind: ClusterConfiguration
128 feature-gates: SCTPSupport=true
130 dnsDomain: cluster.local
131 podSubnet: 10.244.0.0/16
132 serviceSubnet: 10.96.0.0/12
135 apiVersion: kubeproxy.config.k8s.io/v1alpha1
136 kind: KubeProxyConfiguration
140 echo "Unsupported Kubernetes version requested. Bail."
145 # create a RBAC file for helm (tiller)
146 cat <<EOF > /root/rbac-config.yaml
151 namespace: kube-system
153 apiVersion: rbac.authorization.k8s.io/v1
154 kind: ClusterRoleBinding
158 apiGroup: rbac.authorization.k8s.io
162 - kind: ServiceAccount
164 namespace: kube-system
168 KUBEVERSION="${KUBEV}-00"
169 CNIVERSION="${KUBECNIV}-00"
170 DOCKERVERSION="${DOCKERV}-0ubuntu1.2~16.04.1"
171 curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
172 echo 'deb http://apt.kubernetes.io/ kubernetes-xenial main' > /etc/apt/sources.list.d/kubernetes.list
174 # install low latency kernel, docker.io, and kubernetes
176 apt-get install -y linux-image-4.15.0-45-lowlatency docker.io=${DOCKERVERSION}
177 apt-get install -y kubernetes-cni=${CNIVERSION}
178 apt-get install -y --allow-unauthenticated kubeadm=${KUBEVERSION} kubelet=${KUBEVERSION} kubectl=${KUBEVERSION}
179 apt-mark hold kubernetes-cni kubelet kubeadm kubectl
186 wget https://storage.googleapis.com/kubernetes-helm/helm-v${HELMVERSION}-linux-amd64.tar.gz
187 tar -xvf helm-v${HELMVERSION}-linux-amd64.tar.gz
188 mv linux-amd64/helm /usr/local/bin/helm
191 # add cert for accessing docker registry in Azure
192 mkdir -p /etc/docker/certs.d/${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}
193 cat <<EOF >/etc/docker/ca.crt
194 -----BEGIN CERTIFICATE-----
195 MIIEPjCCAyagAwIBAgIJAIwtTKgVAnvrMA0GCSqGSIb3DQEBCwUAMIGzMQswCQYD
196 VQQGEwJVUzELMAkGA1UECAwCTkoxEzARBgNVBAcMCkJlZG1pbnN0ZXIxDTALBgNV
197 BAoMBEFUJlQxETAPBgNVBAsMCFJlc2VhcmNoMTswOQYDVQQDDDIqLmRvY2tlci5y
198 YW5jby1kZXYtdG9vbHMuZWFzdHVzLmNsb3VkYXBwLmF6dXJlLmNvbTEjMCEGCSqG
199 SIb3DQEJARYUcmljQHJlc2VhcmNoLmF0dC5jb20wHhcNMTkwMTI0MjA0MzIzWhcN
200 MjQwMTIzMjA0MzIzWjCBszELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAk5KMRMwEQYD
201 VQQHDApCZWRtaW5zdGVyMQ0wCwYDVQQKDARBVCZUMREwDwYDVQQLDAhSZXNlYXJj
202 aDE7MDkGA1UEAwwyKi5kb2NrZXIucmFuY28tZGV2LXRvb2xzLmVhc3R1cy5jbG91
203 ZGFwcC5henVyZS5jb20xIzAhBgkqhkiG9w0BCQEWFHJpY0ByZXNlYXJjaC5hdHQu
204 Y29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuAW1O52l9/1L+D7x
205 Qv+782FjiELP9MWO0RCAL2JzV6Ioeo1IvuZl8jvXQVGlowanCdz1HZlMJjGm6Ybv
206 60dVECRSMZeOxUQ0JCus6thxOhDiiCFT59m+MpdrRgHqwOzw+8B49ZwULv+lTIWt
207 ETEQkSYTh4No9jCxnyVLKH9DyTbaW/xFK484u5f4bh7mI5uqDJapOCRvJXv8/J0E
208 eMrkCVmk5qy0ii8I7O0oCNl61YvC5by9GCeuQhloJJc6gOjzKW8nK9JfUW8G34bC
209 qnUj79EgwgtW/8F5SYAF5LI0USM0xXjyzlnPMbv5mikrbf0EZkZXdUreICUIzY53
210 HRocCQIDAQABo1MwUTAdBgNVHQ4EFgQUm9NbNhZ3Zp1f50DIN4/4fvWQSNswHwYD
211 VR0jBBgwFoAUm9NbNhZ3Zp1f50DIN4/4fvWQSNswDwYDVR0TAQH/BAUwAwEB/zAN
212 BgkqhkiG9w0BAQsFAAOCAQEAkbuqbuMACRmzMXFKoSsMTLk/VRQDlKeubdP4lD2t
213 Z+2dbhfbfiae9oMly7hPCDacoY0cmlBb2zZ8lgA7kVvuw0xwX8mLGYfOaNG9ENe5
214 XxFP8MuaCySy1+v5CsNnh/WM3Oznc6MTv/0Nor2DeY0XHQtM5LWrqyKGZaVAKpMW
215 5nHG8EPIZAOk8vj/ycg3ca3Wv3ne9/8rbrrxDJ3p4L70DOtz/JcQai10Spct4S0Z
216 7yd4tQL+QSQCvmN7Qm9+i52bY0swYrUAhbNiEX3yJDryKjSCPirePcieGZmBRMxr
217 7j28jxpa4g32TbWR/ZdxMYEkCVTFViTE23kZdNvahHKfdQ==
218 -----END CERTIFICATE-----
220 cp /etc/docker/ca.crt /etc/docker/certs.d/${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}/ca.crt
221 service docker restart
222 systemctl enable docker.service
223 docker login -u ${__RUNRICENV_DOCKER_USER__} -p ${__RUNRICENV_DOCKER_PASS__} ${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}
224 docker pull ${__RUNRICENV_DOCKER_HOST__}:${__RUNRICENV_DOCKER_PORT__}/whoami:0.0.1
227 # test access to k8s docker registry
228 kubeadm config images pull
230 echo "Not first boot"
232 kubectl get pods --all-namespaces
236 if [ -n "$DORESET" ]; then
240 if [ -n ${DORESET+set} ] || [ -n ${FIRSTBOOT+set} ]; then
241 # start cluster (make sure CIDR is enabled with the flag)
242 kubeadm init --config /root/config.yaml
244 # set up kubectl credential and config
248 cp -i /etc/kubernetes/admin.conf /root/.kube/config
249 chown root:root /root/.kube/config
251 # at this point we should be able to use kubectl
252 kubectl get pods --all-namespaces
253 # you will see the DNS pods stuck in pending state. They are waiting for some networking to be installed.
256 # kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
257 kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/bc79dd1505b0c8681ece4de4c0d86c5cd2643275/Documentation/kube-flannel.yml
259 # waiting for all kube-system pods to be in running state
261 while [ $NUMPODS -lt 8 ]; do
263 OUTPUT=$(kubectl get pods --all-namespaces |grep Running)
264 NUMPODS=$(echo "$OUTPUT" | wc -l)
265 echo "Waiting for $NUMPODS / 8 kube-system pods reaching Running state"
268 # if running a single node cluster, need to enable master node to run pods
269 kubectl taint nodes --all node-role.kubernetes.io/master-
272 # install RBAC for Helm
273 kubectl create -f rbac-config.yaml
276 helm init --service-account tiller
279 cat <<EOF >/etc/ca-certificates/update.d/helm.crt
280 -----BEGIN CERTIFICATE-----
281 MIIESjCCAzKgAwIBAgIJAIU+AfULkw0PMA0GCSqGSIb3DQEBCwUAMIG5MQswCQYD
282 VQQGEwJVUzETMBEGA1UECAwKTmV3IEplcnNleTETMBEGA1UEBwwKQmVkbWluc3Rl
283 cjENMAsGA1UECgwEQVQmVDERMA8GA1UECwwIUmVzZWFyY2gxOTA3BgNVBAMMMCou
284 aGVsbS5yYW5jby1kZXYtdG9vbHMuZWFzdHVzLmNsb3VkYXBwLmF6dXJlLmNvbTEj
285 MCEGCSqGSIb3DQEJARYUcmljQHJlc2VhcmNoLmF0dC5jb20wHhcNMTkwMzIxMTU1
286 MzAwWhcNMjEwMzIwMTU1MzAwWjCBuTELMAkGA1UEBhMCVVMxEzARBgNVBAgMCk5l
287 dyBKZXJzZXkxEzARBgNVBAcMCkJlZG1pbnN0ZXIxDTALBgNVBAoMBEFUJlQxETAP
288 BgNVBAsMCFJlc2VhcmNoMTkwNwYDVQQDDDAqLmhlbG0ucmFuY28tZGV2LXRvb2xz
289 LmVhc3R1cy5jbG91ZGFwcC5henVyZS5jb20xIzAhBgkqhkiG9w0BCQEWFHJpY0By
290 ZXNlYXJjaC5hdHQuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA
291 tguhSQx5Dk2w+qx2AOcFRz7IZBASEehK1Z4f5jz2KrRylGx6jjedCZASdm1b0ZEB
292 /ZNrKht1zsWDETa7x0DF+q0Z2blff+T+6+YrJWhNxYHgZiYVi9gTuNDzpn8VVn7f
293 +cQxcMguHo1JBDIotOLubJ4T3/oXMCPv9kRSLHcNjbEE2yTB3AqXu9dvrDXuUdeU
294 ot6RzxhKXxRCQXPS2/FDjSV9vr9h1dv5fIkFXihpYaag0XqvXcqgncvcOJ1SsLc3
295 DK+tyNknqG5SL8y2a7U4F7u+qGO2/3tnCO0ggYwa73hS0pQPY51EpRSckZqlfKEu
296 Ut0s3wlEFP1VaU0RfU3aIwIDAQABo1MwUTAdBgNVHQ4EFgQUYTpoVXZPXSR/rhjr
297 pu9PPhL7f9IwHwYDVR0jBBgwFoAUYTpoVXZPXSR/rhjrpu9PPhL7f9IwDwYDVR0T
298 AQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAUDLbiKVIW6W9qFXLtoyO7S2e
299 IOUSZ1F70pkfeYUqegsfFZ9njPtPqTzDfJVxYqH2V0vxxoAxXCYCpNyR6vYlYiEL
300 R+oyxuvauW/yCoiwKBPYa4fD/PBajJnEO1EfIwZvjFLIfw4GjaX59+zDS3Zl0jT/
301 w3uhPSsJAYXtDKLZ14btA27cM5mW4kmxVD8CRdUW0jr/cN3Hqe9uLSNWCNiDwma7
302 RnpK7NnOgXHyhZD/nVC0nY7OzbK7VHFJatSOjyuMxgWsFGahwYNxf3AWfPwUai0K
303 ne/fVFGZ6ifR9QdD0SuKIAEuqSyyP4BsQ92uEweU/gWKsnM6iNVmNFX8UOuU9A==
304 -----END CERTIFICATE-----
307 # waiting for tiller pod to be in running state
309 while [ $NUMPODS -lt 1 ]; do
311 OUTPUT=$(kubectl get pods --all-namespaces |grep Running)
312 NUMPODS=$(echo "$OUTPUT" | grep "tiller-deploy" | wc -l)
313 echo "Waiting for $NUMPODS / 1 tiller-deploy pod reaching Running state"