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Update bare-metal Fedora CoreOS image location

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* Use Fedora CoreOS production download streams (change)
* Use live PXE kernel and initramfs images
* https://getfedora.org/coreos/download/
* Update docs example to use public images (cache is still
recommended at large scale) and stable stream
This commit is contained in:
Dalton Hubble
2020-01-14 00:49:34 -08:00
parent 03ff3a9cf3
commit dd930a2ff9
3 changed files with 33 additions and 22 deletions
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17
docs/fedora-coreos/bare-metal.md
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@ -30,7 +30,7 @@ Configure each machine to boot from the disk through IPMI or the BIOS menu.
```
ipmitool -H node1 -U USER -P PASS chassis bootdev disk options=persistent
```
During provisioning, you'll explicitly set the boot device to `pxe` for the next boot only. Machines will install (overwrite) the operating system to disk on PXE boot and reboot into the disk install.
!!! tip ""
@ -106,7 +106,7 @@ Read about the [many ways](https://coreos.com/matchbox/docs/latest/network-setup
TFTP chainloading to modern boot firmware, like iPXE, avoids issues with old NICs and allows faster transfer protocols like HTTP to be used.
!!! warning
Compile iPXE from [source](https://github.com/ipxe/ipxe) with support for [HTTPS downloads](https://ipxe.org/crypto). iPXE's pre-built firmware binaries do not enable this. Fedora does not provide images over HTTP.
Compile iPXE from [source](https://github.com/ipxe/ipxe) with support for [HTTPS downloads](https://ipxe.org/crypto). iPXE's pre-built firmware binaries do not enable this. Fedora CoreOS downloads are HTTPS-only.
## Terraform Setup
@ -164,13 +164,12 @@ Define a Kubernetes cluster using the module `bare-metal/fedora-coreos/kubernete
```tf
module "mercury" {
source = "git::https://github.com/poseidon/typhoon//bare-metal/fedora-coreos/kubernetes?ref=v1.17.1"
# bare-metal
cluster_name = "mercury"
matchbox_http_endpoint = "http://matchbox.example.com"
os_stream = "testing"
os_version = "30.20191002.0"
cached_install = true
os_stream = "stable"
os_version = "31.20200113.3.1"
# configuration
k8s_domain_name = "node1.example.com"
@ -330,8 +329,8 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
|:-----|:------------|:--------|
| cluster_name | Unique cluster name | "mercury" |
| matchbox_http_endpoint | Matchbox HTTP read-only endpoint | "http://matchbox.example.com:port" |
| os_stream | Fedora CoreOS release stream | "testing" |
| os_version | Fedora CoreOS version to PXE and install | "30.20190716.1" |
| os_stream | Fedora CoreOS release stream | "stable" |
| os_version | Fedora CoreOS version to PXE and install | "31.20200113.3.1" |
| k8s_domain_name | FQDN resolving to the controller(s) nodes. Workers and kubectl will communicate with this endpoint | "myk8s.example.com" |
| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3Nz..." |
| controllers | List of controller machine detail objects (unique name, identifying MAC address, FQDN) | `[{name="node1", mac="52:54:00:a1:9c:ae", domain="node1.example.com"}]` |
@ -345,7 +344,7 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
| cached_install | PXE boot and install from the Matchbox `/assets` cache. Admin MUST have downloaded Fedora CoreOS images into the cache | false | true |
| install_disk | Disk device where Fedora CoreOS should be installed | "sda" (not "/dev/sda" like Container Linux) | "sdb" |
| networking | Choice of networking provider | "calico" | "calico" or "flannel" |
| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
| snippets | Map from machine names to lists of Fedora CoreOS Config snippets | {} | UNSUPPORTED |
| network_ip_autodetection_method | Method to detect host IPv4 address (calico-only) | "first-found" | "can-reach=10.0.0.1" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |