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master-cloud-config.yaml
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master-cloud-config.yaml
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#cloud-config
write_files:
- path: /etc/cloud.conf
permissions: 0600
content: |
[Global]
auth-url = OS_AUTH_URL
username = OS_USERNAME
api-key = OS_PASSWORD
tenant-id = OS_TENANT_NAME
region = OS_REGION_NAME
[LoadBalancer]
subnet-id = 11111111-1111-1111-1111-111111111111
- path: /opt/bin/git-kubernetes-nginx.sh
permissions: 0755
content: |
#!/bin/bash
git clone https://github.com/thommay/kubernetes_nginx /opt/kubernetes_nginx
/usr/bin/cp /opt/.kubernetes_auth /opt/kubernetes_nginx/.kubernetes_auth
/opt/kubernetes_nginx/git-kubernetes-nginx.sh
- path: /opt/bin/download-release.sh
permissions: 0755
content: |
#!/bin/bash
# This temp URL is only good for the length of time specified at cluster creation time.
# Afterward, it will result in a 403.
OBJECT_URL="CLOUD_FILES_URL"
if [ ! -s /opt/kubernetes.tar.gz ]
then
echo "Downloading release ($OBJECT_URL)"
wget "${OBJECT_URL}" -O /opt/kubernetes.tar.gz
echo "Unpacking release"
rm -rf /opt/kubernetes || false
tar xzf /opt/kubernetes.tar.gz -C /opt/
else
echo "kubernetes release found. Skipping download."
fi
- path: /opt/.kubernetes_auth
permissions: 0600
content: |
KUBE_USER:KUBE_PASSWORD
coreos:
etcd2:
discovery: https://discovery.etcd.io/DISCOVERY_ID
advertise-client-urls: http://$private_ipv4:2379,http://$private_ipv4:4001
initial-advertise-peer-urls: http://$private_ipv4:2380
listen-client-urls: http://0.0.0.0:2379,http://0.0.0.0:4001
listen-peer-urls: http://$private_ipv4:2380,http://$private_ipv4:7001
flannel:
ip_masq: true
interface: eth2
fleet:
public-ip: $private_ipv4
metadata: kubernetes_role=master
update:
reboot-strategy: off
units:
- name: etcd2.service
command: start
- name: fleet.service
command: start
- name: flanneld.service
drop-ins:
- name: 50-flannel.conf
content: |
[Unit]
Requires=etcd2.service
After=etcd2.service
[Service]
ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{"Network":"KUBE_NETWORK", "Backend": {"Type": "host-gw"}}'
command: start
- name: generate-serviceaccount-key.service
command: start
content: |
[Unit]
Description=Generate service-account key file
[Service]
ExecStartPre=-/usr/bin/mkdir -p /var/run/kubernetes/
ExecStart=/bin/openssl genrsa -out /var/run/kubernetes/kube-serviceaccount.key 2048 2>/dev/null
RemainAfterExit=yes
Type=oneshot
- name: docker.service
command: start
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Unit]
# making sure that flanneld finished startup, otherwise containers
# won't land in flannel's network...
Requires=flanneld.service
After=flanneld.service
Restart=Always
- name: download-release.service
command: start
content: |
[Unit]
Description=Downloads Kubernetes Release
After=network-online.target
Requires=network-online.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/bash /opt/bin/download-release.sh
- name: kube-apiserver.service
command: start
content: |
[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes
After=network-online.target
Requires=network-online.target
After=download-release.service
Requires=download-release.service
Requires=generate-serviceaccount-key.service
After=generate-serviceaccount-key.service
[Service]
ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/server/bin/kube-apiserver /opt/bin/kube-apiserver
ExecStartPre=/usr/bin/mkdir -p /var/lib/kube-apiserver
ExecStart=/opt/bin/kube-apiserver \
--address=127.0.0.1 \
--cloud-provider=rackspace \
--cloud-config=/etc/cloud.conf \
--etcd-servers=http://127.0.0.1:4001 \
--logtostderr=true \
--port=8080 \
--service-cluster-ip-range=SERVICE_CLUSTER_IP_RANGE \
--token-auth-file=/var/lib/kube-apiserver/known_tokens.csv \
--v=2 \
--service-account-key-file=/var/run/kubernetes/kube-serviceaccount.key \
--service-account-lookup=false \
--admission-control=NamespaceLifecycle,NamespaceAutoProvision,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota
Restart=always
RestartSec=5
- name: apiserver-advertiser.service
command: start
content: |
[Unit]
Description=Kubernetes Apiserver Advertiser
After=etcd2.service
Requires=etcd2.service
After=master-apiserver.service
[Service]
ExecStart=/bin/sh -c 'etcdctl set /corekube/apiservers/$public_ipv4 $public_ipv4'
Restart=always
RestartSec=120
- name: kube-controller-manager.service
command: start
content: |
[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/kubernetes/kubernetes
After=network-online.target
Requires=network-online.target
After=kube-apiserver.service
Requires=kube-apiserver.service
[Service]
ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/server/bin/kube-controller-manager /opt/bin/kube-controller-manager
ExecStart=/opt/bin/kube-controller-manager \
--cloud-provider=rackspace \
--cloud-config=/etc/cloud.conf \
--logtostderr=true \
--master=127.0.0.1:8080 \
--v=2 \
--service-account-private-key-file=/var/run/kubernetes/kube-serviceaccount.key \
--root-ca-file=/run/kubernetes/apiserver.crt
Restart=always
RestartSec=5
- name: kube-scheduler.service
command: start
content: |
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/kubernetes/kubernetes
After=network-online.target
Requires=network-online.target
After=kube-apiserver.service
Requires=kube-apiserver.service
[Service]
ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/server/bin/kube-scheduler /opt/bin/kube-scheduler
ExecStart=/opt/bin/kube-scheduler \
--logtostderr=true \
--master=127.0.0.1:8080
Restart=always
RestartSec=5
#Running nginx service with --net="host" is a necessary evil until running all k8s services in docker.
- name: kubernetes-nginx.service
command: start
content: |
[Unit]
Description=Kubernetes Nginx Service
After=network-online.target
Requires=network-online.target
After=docker.service
Requires=docker.service
[Service]
ExecStartPre=/opt/bin/git-kubernetes-nginx.sh
ExecStartPre=-/usr/bin/docker rm kubernetes_nginx
ExecStart=/usr/bin/docker run --rm --net="host" -p "443:443" -t --name "kubernetes_nginx" kubernetes_nginx
ExecStop=/usr/bin/docker stop kubernetes_nginx
Restart=always
RestartSec=15