Commit cbe28a34 authored by Collen Kriel's avatar Collen Kriel

Move Gitaly section earlier in doc

parent 972e5e68
......@@ -383,6 +383,37 @@ EC2 instances running Linux use private key files for SSH authentication. You'll
Storing private key files on your bastion host is a bad idea. To get around this, use SSH agent forwarding on your client. See [Securely Connect to Linux Instances Running in a Private Amazon VPC](https://aws.amazon.com/blogs/security/securely-connect-to-linux-instances-running-in-a-private-amazon-vpc/) for a step-by-step guide on how to use SSH agent forwarding.
## Setting up Gitaly
CAUTION: **Caution:** In this architecture, having a single Gitaly server creates a single point of failure. This limitation will be removed once [Gitaly HA](https://gitlab.com/groups/gitlab-org/-/epics/842) is released.
Gitaly is a service that provides high-level RPC access to Git repositories.
It should be enabled and configured on a separate EC2 instance in one of the
[private subnets](#subnets) we configured previously.
Let's create an EC2 instance where we'll install Gitaly:
1. From the EC2 dashboard, click **Launch instance**.
1. Choose an AMI. In this example, we'll select the **Ubuntu Server 18.04 LTS (HVM), SSD Volume Type**.
1. Choose an instance type. We'll pick a **c5.xlarge**.
1. Click **Configure Instance Details**.
1. In the **Network** dropdown, select `gitlab-vpc`, the VPC we created earlier.
1. In the **Subnet** dropdown, select `gitlab-private-10.0.1.0` from the list of subnets we created earlier.
1. Double check that **Auto-assign Public IP** is set to `Use subnet setting (Disable)`.
1. Click **Add Storage**.
1. Increase the Root volume size to `20 GiB` and change the **Volume Type** to `Provisoned IOPS SSD (io1)`. (This is an arbitrary size. Create a volume big enough for your repository storage requirements.)
1. For **IOPS** set `1000` (20 GiB x 50 IOPS). You can provision up to 50 IOPS per GiB. If you select a larger volume, increase the IOPS accordingly. Workloads where many small files are written in a serialized manner, like `git`, requires performant storage, hence the choice of `Provisoned IOPS SSD (io1)`.
1. Click on **Add Tags** and add your tags. In our case, we'll only set `Key: Name` and `Value: Gitaly`.
1. Click on **Configure Security Group** and let's **Create a new security group**.
1. Give your security group a name and description. We'll use `gitlab-gitaly-sec-group` for both.
1. Create a **Custom TCP** rule and add port `8075` to the **Port Range**. For the **Source**, select the `gitlab-loadbalancer-sec-group`.
1. Click **Review and launch** followed by **Launch** if you're happy with your settings.
1. Finally, acknowledge that you have access to the selected private key file or create a new one. Click **Launch Instances**.
> **Optional:** Instead of storing configuration _and_ repository data on the root volume, you can also choose to add an additional EBS volume for repository storage. Follow the same guidance as above. See the [Amazon EBS pricing](https://aws.amazon.com/ebs/pricing/).
Now that we have our EC2 instance ready, follow the [documentation to install GitLab and set up Gitaly on its own server](../../administration/gitaly/index.md#running-gitaly-on-its-own-server).
## Deploying GitLab inside an auto scaling group
We'll use AWS's wizard to deploy GitLab and then SSH into the instance to
......@@ -551,37 +582,6 @@ sudo gitlab-ctl status
If everything looks good, you should be able to reach GitLab in your browser.
### Setting up Gitaly
CAUTION: **Caution:** In this architecture, having a single Gitaly server creates a single point of failure. This limitation will be removed once [Gitaly HA](https://gitlab.com/groups/gitlab-org/-/epics/842) is released.
Gitaly is a service that provides high-level RPC access to Git repositories.
It should be enabled and configured on a separate EC2 instance in one of the
[private subnets](#subnets) we configured previously.
Let's create an EC2 instance where we'll install Gitaly:
1. From the EC2 dashboard, click **Launch instance**.
1. Choose an AMI. In this example, we'll select the **Ubuntu Server 18.04 LTS (HVM), SSD Volume Type**.
1. Choose an instance type. We'll pick a **c5.xlarge**.
1. Click **Configure Instance Details**.
1. In the **Network** dropdown, select `gitlab-vpc`, the VPC we created earlier.
1. In the **Subnet** dropdown, select `gitlab-private-10.0.1.0` from the list of subnets we created earlier.
1. Double check that **Auto-assign Public IP** is set to `Use subnet setting (Disable)`.
1. Click **Add Storage**.
1. Increase the Root volume size to `20 GiB` and change the **Volume Type** to `Provisoned IOPS SSD (io1)`. (This is an arbitrary size. Create a volume big enough for your repository storage requirements.)
1. For **IOPS** set `1000` (20 GiB x 50 IOPS). You can provision up to 50 IOPS per GiB. If you select a larger volume, increase the IOPS accordingly. Workloads where many small files are written in a serialized manner, like `git`, requires performant storage, hence the choice of `Provisoned IOPS SSD (io1)`.
1. Click on **Add Tags** and add your tags. In our case, we'll only set `Key: Name` and `Value: Gitaly`.
1. Click on **Configure Security Group** and let's **Create a new security group**.
1. Give your security group a name and description. We'll use `gitlab-gitaly-sec-group` for both.
1. Create a **Custom TCP** rule and add port `8075` to the **Port Range**. For the **Source**, select the `gitlab-loadbalancer-sec-group`.
1. Click **Review and launch** followed by **Launch** if you're happy with your settings.
1. Finally, acknowledge that you have access to the selected private key file or create a new one. Click **Launch Instances**.
> **Optional:** Instead of storing configuration _and_ repository data on the root volume, you can also choose to add an additional EBS volume for repository storage. Follow the same guidance as above. See the [Amazon EBS pricing](https://aws.amazon.com/ebs/pricing/).
Now that we have our EC2 instance ready, follow the [documentation to install GitLab and set up Gitaly on its own server](../../administration/gitaly/index.md#running-gitaly-on-its-own-server).
### Using Amazon S3 object storage
GitLab stores many objects outside the Git repository, many of which can be
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