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examples: Show CoreOS install using Ignition support

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* Use the coreos-install -i option added in CoreOS alpha 949.0.0
* Download second stage Ignition config while in PXE first stage
* Resolves #46
This commit is contained in:
Dalton Hubble
2016-02-23 17:32:40 -08:00
parent 39ee9a067b
commit fce6cacfef
6 changed files with 13 additions and 11 deletions
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1
Documentation/getting-started-docker.md
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@@ -25,6 +25,7 @@ Create four VM nodes which have known hardware attributes. The nodes will be att
Download the CoreOS PXE image assets to `assets/coreos`. The examples instruct machines to load these from the Config server, though you could change this.
./scripts/get-coreos
./scripts/get-coreos channel version
## Containers

1
Documentation/getting-started-rkt.md
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@@ -20,6 +20,7 @@ Clone the [coreos-baremetal](https://github.com/coreos/coreos-baremetal) source
Download the CoreOS PXE image assets to `assets/coreos`. The examples instruct machines to load these from the Config server, though you could change this.
./scripts/get-coreos
./scripts/get-coreos channel version
Define the `metal0` virtual bridge with [CNI](https://github.com/appc/cni).

12
examples/README.md
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@@ -3,11 +3,11 @@
These examples show declarative configurations for network booting libvirt VMs into CoreOS clusters (Kubernetes, etcd) using `bootcfg`.
| Name | Description | Reference |
|------------|-------------|----------------|
| etcd | Cluster with 3 etcd nodes, 2 proxies | [reference](https://coreos.com/os/docs/latest/cluster-architectures.html) |
| Kubernetes | Kubernetes cluster with 1 master, 1 worker, 1 dedicated etcd node | [reference](https://github.com/coreos/coreos-kubernetes) |
| Disk Install | 2-stage Ignition: Install CoreOS, provision etcd cluster | [reference](https://coreos.com/os/docs/latest/installing-to-disk.html) |
| Name | Description | Reference | CoreOS Version |
|------------|-------------|----------------|----------------|
| etcd | Cluster with 3 etcd nodes, 2 proxies | [reference](https://coreos.com/os/docs/latest/cluster-architectures.html) | beta/899.6.0 |
| Kubernetes | Kubernetes cluster with 1 master, 1 worker, 1 dedicated etcd node | [reference](https://github.com/coreos/coreos-kubernetes) | beta/899.6.0 |
| etcd on disk | 2-stage Ignition: Install CoreOS, provision etcd cluster | [reference](https://coreos.com/os/docs/latest/installing-to-disk.html) | alpha/962.0.0,935.0.0 |
## Experimental
@@ -22,7 +22,7 @@ Get started running the `bootcfg` on your Linux machine to boot clusters of libv
## Physical Hardware
Run the `bootcfg` to boot and configure physical machines (for testing). Update the network values in the `*.yaml` config to match your hardware and network. Generate TLS assets if required for the example (e.g. Kubernetes).
Run `bootcfg` to boot and configure physical machines (for testing). Update the network values in the `*.yaml` config to match your hardware and network. Generate TLS assets if required for the example (e.g. Kubernetes).
Continue to the [Physical Hardware Guide](../Documentation/physical-hardware.md) for details.

1
examples/coreos-install.yaml
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@@ -21,6 +21,7 @@ groups:
ipv4_address: 172.15.0.21
etcd_name: node1
etcd_initial_cluster: "node1=http://172.15.0.21:2380,node2=http://172.15.0.22:2380,node3=http://172.15.0.23:2380"
ssh_authorized_keys:
- name: etcd Node 2
spec: etcd

5
examples/ignition/coreos-install.yaml
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@@ -10,10 +10,9 @@ systemd:
After=network-online.target
[Service]
Type=oneshot
ExecStart=/usr/bin/coreos-install -d /dev/sda -C {{.coreos_channel}} -V {{.coreos_version}}
ExecStart=/usr/bin/curl {{.ignition_endpoint}}?{{.query}}&os=installed -o ignition.json
ExecStart=/usr/bin/coreos-install -d /dev/sda -C {{.coreos_channel}} -V {{.coreos_version}} -i ignition.json
ExecStart=/usr/bin/udevadm settle
ExecStart=/usr/bin/mount /dev/disk/by-label/OEM /mnt
ExecStart=/bin/sh -c 'echo set linux_append=\\"coreos.config.url=\"{{.ignition_endpoint}}?{{.query}}&os=installed\"\\" > /mnt/grub.cfg'
ExecStart=/usr/bin/systemctl reboot
[Install]
WantedBy=multi-user.target

4
examples/specs/coreos-install/spec.json
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@@ -1,8 +1,8 @@
{
"id": "coreos-install",
"boot": {
"kernel": "/assets/coreos/899.6.0/coreos_production_pxe.vmlinuz",
"initrd": ["/assets/coreos/899.6.0/coreos_production_pxe_image.cpio.gz"],
"kernel": "/assets/coreos/962.0.0/coreos_production_pxe.vmlinuz",
"initrd": ["/assets/coreos/962.0.0/coreos_production_pxe_image.cpio.gz"],
"cmdline": {
"coreos.config.url": "http://bootcfg.foo:8080/ignition?uuid=${uuid}&mac=${net0/mac:hexhyp}",
"coreos.autologin": "",