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Rackspace - Switch to CoreOS for standard cluster
The Rackspace setup for Kubernetes now leverages CoreOS instead of Ubuntu. We've dropped Salt completely for our cluster.
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153 changes: 153 additions & 0 deletions
153
cluster/rackspace/cloud-config/master-cloud-config.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| #cloud-config | ||
|
|
||
| write_files: | ||
| - path: /opt/bin/regen-minion-list.sh | ||
| permissions: 0755 | ||
| content: | | ||
| #!/bin/sh | ||
| m=$(echo $(etcdctl ls --recursive /corekube/minions | cut -d/ -f4 | sort) | tr ' ' ,) | ||
| echo "Found $m" | ||
| mkdir -p /run/apiserver | ||
| echo "MINIONS=$m" > /run/apiserver/minions.env | ||
| - path: /opt/bin/git-kubernetes-nginx.sh | ||
| permissions: 0755 | ||
| content: | | ||
| #!/bin/bash | ||
| git clone https://github.com/doublerr/kubernetes_nginx /opt/kubernetes_nginx | ||
| /usr/bin/cp /opt/.kubernetes_auth /opt/kubernetes_nginx/.kubernetes_auth | ||
| docker build -t kubernetes_nginx:latest /opt/kubernetes_nginx | ||
| - path: /opt/bin/download-release.sh | ||
| permissions: 0755 | ||
| content: | | ||
| #!/bin/bash | ||
| OBJECT_URL="CLOUD_FILES_URL" | ||
| 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/ | ||
| - path: /opt/.kubernetes_auth | ||
| permissions: 0600 | ||
| content: | | ||
| KUBE_USER:KUBE_PASSWORD | ||
| coreos: | ||
| etcd: | ||
| name: kubernetes-master | ||
| discovery: https://discovery.etcd.io/DISCOVERY_ID | ||
| addr: $private_ipv4:4001 | ||
| peer-addr: $private_ipv4:7001 | ||
| peer-bind-addr: $private_ipv4:7001 | ||
|
|
||
| fleet: | ||
| public-ip: $private_ipv4 | ||
| metadata: kubernetes_role=master | ||
|
|
||
| update: | ||
| reboot-strategy: etcd-lock | ||
|
|
||
| units: | ||
| #- name: nova-agent-watcher.service | ||
| # command: try-restart | ||
| - name: etcd.service | ||
| command: start | ||
| - name: fleet.service | ||
| command: start | ||
| - name: download-release.service | ||
| command: start | ||
| content: | | ||
| [Unit] | ||
| Description=Downloads Kubernetes Release | ||
| After=network-online.target | ||
| Requires=network-online.target | ||
| [Service] | ||
| Type=oneshot | ||
| RemainAfterExit=yes | ||
| ExecStart=/usr/bin/bash /opt/bin/download-release.sh | ||
| - name: master-apiserver.service | ||
| command: start | ||
| content: | | ||
| [Unit] | ||
| Description=Kubernetes API Server | ||
| Documentation=https://github.com/GoogleCloudPlatform/kubernetes | ||
| After=network-online.target | ||
| Requires=network-online.target | ||
| After=minion-finder.service | ||
| Requires=minion-finder.service | ||
| After=download-release.service | ||
| Requires=download-release.service | ||
| [Service] | ||
| EnvironmentFile=-/run/apiserver/minions.env | ||
| ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/platforms/linux/amd64/apiserver /opt/bin/apiserver | ||
| ExecStart=/opt/bin/apiserver --address=127.0.0.1 --port=8080 --machines=${MINIONS} --etcd_servers=http://127.0.0.1:4001 --logtostderr=true | ||
| Restart=always | ||
| RestartSec=2 | ||
| - name: master-apiserver-sighup.path | ||
| command: start | ||
| content: | | ||
| [Path] | ||
| PathChanged=/run/apiserver/minions.env | ||
| - name: master-apiserver-sighup.service | ||
| command: start | ||
| content: | | ||
| [Service] | ||
| ExecStart=/usr/bin/pkill -SIGHUP -f apiserver | ||
| - name: minion-finder.service | ||
| command: start | ||
| content: | | ||
| [Unit] | ||
| Description=Kubernetes Minion finder | ||
| After=network-online.target | ||
| Requires=network-online.target | ||
| After=etcd.service | ||
| Requires=etcd.service | ||
| [Service] | ||
| ExecStartPre=/opt/bin/regen-minion-list.sh | ||
| ExecStart=/usr/bin/etcdctl exec-watch --recursive /corekube/minions -- /opt/bin/regen-minion-list.sh | ||
| Restart=always | ||
| RestartSec=30 | ||
| - name: master-controller-manager.service | ||
| command: start | ||
| content: | | ||
| [Unit] | ||
| Description=Kubernetes Controller Manager | ||
| Documentation=https://github.com/GoogleCloudPlatform/kubernetes | ||
| After=network-online.target | ||
| Requires=network-online.target | ||
| After=master-apiserver.service | ||
| Requires=master-apiserver.service | ||
| [Service] | ||
| ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/platforms/linux/amd64/controller-manager /opt/bin/controller-manager | ||
| ExecStart=/opt/bin/controller-manager --master=127.0.0.1:8080 --logtostderr=true | ||
| Restart=always | ||
| RestartSec=2 | ||
| - name: master-scheduler.service | ||
| command: start | ||
| content: | | ||
| [Unit] | ||
| Description=Kubernetes Scheduler | ||
| Documentation=https://github.com/GoogleCloudPlatform/kubernetes | ||
| After=network-online.target | ||
| Requires=network-online.target | ||
| After=master-apiserver.service | ||
| Requires=master-apiserver.service | ||
| [Service] | ||
| ExecStartPre=/usr/bin/ln -sf /opt/kubernetes/platforms/linux/amd64/scheduler /opt/bin/scheduler | ||
| ExecStart=/opt/bin/scheduler --master=127.0.0.1:8080 --logtostderr=true | ||
| Restart=always | ||
| RestartSec=10 | ||
| - 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 | ||
| 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 |
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