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Support creating multiple worker auto scaling groups, similar to KOPS

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This commit is contained in:
Kevin Pullin
2018-06-08 16:40:50 -07:00
parent 23f1c37204
commit 0107a9b914
13 changed files with 231 additions and 175 deletions
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30
templates/userdata.sh.tpl
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#!/bin/bash -xe
# Certificate Authority config
CA_CERTIFICATE_DIRECTORY=/etc/kubernetes/pki
CA_CERTIFICATE_FILE_PATH=$CA_CERTIFICATE_DIRECTORY/ca.crt
mkdir -p $CA_CERTIFICATE_DIRECTORY
echo "${cluster_auth_base64}" | base64 -d >$CA_CERTIFICATE_FILE_PATH
# Authenticatoin
INTERNAL_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
sed -i s,MASTER_ENDPOINT,${endpoint},g /var/lib/kubelet/kubeconfig
sed -i s,CLUSTER_NAME,${cluster_name},g /var/lib/kubelet/kubeconfig
sed -i s,REGION,${region},g /etc/systemd/system/kubelet.service
sed -i s,MAX_PODS,${max_pod_count},g /etc/systemd/system/kubelet.service
sed -i s,MASTER_ENDPOINT,${endpoint},g /etc/systemd/system/kubelet.service
sed -i s,INTERNAL_IP,$INTERNAL_IP,g /etc/systemd/system/kubelet.service
# DNS cluster configuration
DNS_CLUSTER_IP=10.100.0.10
if [[ $INTERNAL_IP == 10.* ]]; then DNS_CLUSTER_IP=172.20.0.10; fi
sed -i s,DNS_CLUSTER_IP,$DNS_CLUSTER_IP,g /etc/systemd/system/kubelet.service
sed -i s,CERTIFICATE_AUTHORITY_FILE,$CA_CERTIFICATE_FILE_PATH,g /var/lib/kubelet/kubeconfig
sed -i s,CLIENT_CA_FILE,$CA_CERTIFICATE_FILE_PATH,g /etc/systemd/system/kubelet.service
# start services
systemctl daemon-reload
systemctl restart kubelet kube-proxy
# Allow user supplied userdata code
${additional_userdata}