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Run ARM64 e2e tests on Equinix hardware

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Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
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Stefan Prodan
2021-12-08 15:50:42 +02:00
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# Flux GitHub runners
# Flux ARM64 GitHub runners
How to provision GitHub Actions self-hosted runners for Flux conformance testing.
The Flux ARM64 end-to-end tests run on Equinix instances provisioned with Docker and GitHub self-hosted runners.
## ARM64 Instance specs
## Current instances
| Runner | Instance | Region |
|---------------|---------------------|--------|
| equinix-arm-1 | flux-equinix-arm-01 | AMS1 |
| equinix-arm-2 | flux-equinix-arm-01 | AMS1 |
| equinix-arm-3 | flux-equinix-arm-01 | AMS1 |
| equinix-arm-4 | flux-equinix-arm-02 | DFW2 |
| equinix-arm-5 | flux-equinix-arm-02 | DFW2 |
| equinix-arm-6 | flux-equinix-arm-02 | DFW2 |
## Instance setup
In order to add a new runner to the GitHub Actions pool,
first create an instance on Oracle Cloud with the following configuration:
- OS: Canonical Ubuntu 20.04
- Shape: VM.Standard.A1.Flex
- OCPU Count: 2
- Memory (GB): 12
- Network Bandwidth (Gbps): 2
- Local Disk: Block Storage Only
first create a server on Equinix with the following configuration:
- Type: c2.large.arm
- OS: Ubuntu 20.04
Note that the instance image source must be **Canonical Ubuntu** instead of the default Oracle Linux.
## ARM64 Instance setup
### Install prerequisites
- SSH into a newly created instance
```shell
ssh ubuntu@<instance-public-IP>
ssh root@<instance-public-IP>
```
- Create the action runner dir
- Create the ubuntu user
```shell
mkdir -p actions-runner && cd actions-runner
adduser ubuntu
usermod -aG sudo ubuntu
su - ubuntu
```
- Download the provisioning script
- Create the prerequisites dir
```shell
curl -sL https://raw.githubusercontent.com/fluxcd/flux2/main/.github/runners/arm64.sh > arm64.sh \
&& chmod +x ./arm64.sh
mkdir -p prereq && cd prereq
```
- Download the prerequisites script
```shell
curl -sL https://raw.githubusercontent.com/fluxcd/flux2/main/.github/runners/prereq.sh > prereq.sh \
&& chmod +x ./prereq.sh
```
- Install the prerequisites
```shell
sudo ./prereq.sh
```
### Install runners
- Retrieve the GitHub runner token from the repository [settings page](https://github.com/fluxcd/flux2/settings/actions/runners/new?arch=arm64&os=linux)
- Run the provisioning script passing the token as the first argument
- Create 3 directories `runner1`, `runner2`, `runner3`
- In each dir run:
```shell
sudo ./arm64.sh <TOKEN>
curl -sL https://raw.githubusercontent.com/fluxcd/flux2/main/.github/runners/runner-setup.sh > runner-setup.sh \
&& chmod +x ./runner-setup.sh
./runner-setup.sh equinix-arm-<NUMBER> <TOKEN>
```
- Reboot the instance
```shell
sudo reboot
```
```
- Navigate to the GitHub repository [runners page](https://github.com/fluxcd/flux2/settings/actions/runners) and check the runner status