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182 lines
6.9 KiB
Markdown
182 lines
6.9 KiB
Markdown
# First steps with Constellation
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The following steps guide you through the process of creating a cluster and deploying a sample app. This example assumes that you have successfully [installed and set up Constellation](install.md),
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and have access to a cloud subscription.
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:::tip
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If you don't have a cloud subscription, check out [MiniConstellation](first-steps-local.md), which lets you set up a local Constellation cluster using virtualization.
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:::
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:::note
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If you encounter any problem with the following steps, make sure to use the [latest release](https://github.com/edgelesssys/constellation/releases/latest) and check out the [known issues](https://github.com/edgelesssys/constellation/issues?q=is%3Aopen+is%3Aissue+label%3A%22known+issue%22).
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:::
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## Create a cluster
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1. Create the configuration file and IAM resources for your selected cloud provider
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First, you need to create a [configuration file](../workflows/config.md) and an [IAM configuration](../workflows/config.md#creating-an-iam-configuration). The easiest way to do this is the following CLI command:
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<tabs groupId="csp">
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<tabItem value="azure" label="Azure">
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```bash
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constellation iam create azure --region=westus --resourceGroup=constellTest --servicePrincipal=spTest --generate-config
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```
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This command creates IAM configuration on the Azure region `westus` creating a new resource group `constellTest` and a new service principal `spTest`. It also creates the configuration file `constellation-conf.yaml` in your current directory with the IAM values filled in.
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Note that CVMs are currently only supported in a few regions, check [Azure's products available by region](https://azure.microsoft.com/en-us/global-infrastructure/services/?products=virtual-machines®ions=all). These are:
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* `westus`
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* `eastus`
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* `northeurope`
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* `westeurope`
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</tabItem>
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<tabItem value="gcp" label="GCP">
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```bash
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constellation iam create gcp --projectID=yourproject-12345 --zone=europe-west2-a --serviceAccountID=constell-test --generate-config
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```
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This command creates IAM configuration in the GCP project `yourproject-12345` on the GCP zone `europe-west2-a` creating a new service account `constell-test`. It also creates the configuration file `constellation-conf.yaml` in your current directory with the IAM values filled in.
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Note that only regions offering CVMs of the `C2D` or `N2D` series are supported. You can find a [list of all regions in Google's documentation](https://cloud.google.com/compute/docs/regions-zones#available), which you can filter by machine type `C2D` or `N2D`.
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</tabItem>
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<tabItem value="aws" label="AWS">
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```bash
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constellation iam create aws --zone=eu-central-1a --prefix=constellTest --generate-config
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```
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This command creates IAM configuration for the AWS zone `eu-central-1a` using the prefix `constellTest` for all named resources being created. It also creates the configuration file `constellation-conf.yaml` in your current directory with the IAM values filled in.
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Constellation OS images are currently replicated to the following regions:
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* `eu-central-1`
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* `us-east-2`
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* `ap-south-1`
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If you require the OS image to be available in another region, [let us know](https://github.com/edgelesssys/constellation/issues/new?assignees=&labels=&template=feature_request.md&title=Support+new+AWS+image+region:+xx-xxxx-x).
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You can find a list of all [regions in AWS's documentation](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-available-regions).
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</tabItem>
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</tabs>
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:::tip
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To learn about all options you have for managing IAM resources and Constellation configuration, see the [Configuration workflow](../workflows/config.md).
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:::
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<!--
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:::info
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In case you don't have access to CVMs on Azure, you may use less secure [trusted launch VMs](../workflows/trusted-launch.md) instead. For this, set **confidentialVM** to `false` in the configuration file.
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:::
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-->
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2. Create the cluster with one control-plane node and two worker nodes. `constellation create` uses options set in `constellation-conf.yaml`.
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If you want to manually use [Terraform](../reference/terraform.md) for managing the cloud resources instead, follow the corresponding instructions in the [Create workflow](../workflows/create.md).
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:::tip
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On Azure, you may need to wait 15+ minutes at this point for role assignments to propagate.
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:::
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```bash
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constellation create --control-plane-nodes 1 --worker-nodes 2 -y
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```
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This should give the following output:
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```shell-session
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$ constellation create ...
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Your Constellation cluster was created successfully.
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```
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3. Initialize the cluster
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```bash
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constellation init
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```
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This should give the following output:
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```shell-session
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$ constellation init
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Your Constellation master secret was successfully written to ./constellation-mastersecret.json
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Initializing cluster ...
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Your Constellation cluster was successfully initialized.
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Constellation cluster identifier g6iMP5wRU1b7mpOz2WEISlIYSfdAhB0oNaOg6XEwKFY=
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Kubernetes configuration constellation-admin.conf
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You can now connect to your cluster by executing:
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export KUBECONFIG="$PWD/constellation-admin.conf"
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```
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The cluster's identifier will be different in your output.
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Keep `constellation-mastersecret.json` somewhere safe.
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This will allow you to [recover your cluster](../workflows/recovery.md) in case of a disaster.
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:::info
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Depending on your CSP and region, `constellation init` may take 10+ minutes to complete.
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:::
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4. Configure kubectl
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```bash
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export KUBECONFIG="$PWD/constellation-admin.conf"
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```
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## Deploy a sample application
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1. Deploy the [emojivoto app](https://github.com/BuoyantIO/emojivoto)
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```bash
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kubectl apply -k github.com/BuoyantIO/emojivoto/kustomize/deployment
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```
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2. Expose the frontend service locally
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```bash
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kubectl wait --for=condition=available --timeout=60s -n emojivoto --all deployments
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kubectl -n emojivoto port-forward svc/web-svc 8080:80 &
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curl http://localhost:8080
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kill %1
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```
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## Terminate your cluster
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Use the CLI to terminate your cluster. If you manually used [Terraform](../reference/terraform.md) to manage your cloud resources, follow the corresponding instructions in the [Terminate workflow](../workflows/terminate.md).
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```bash
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constellation terminate
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```
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This should give the following output:
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```shell-session
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$ constellation terminate
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You are about to terminate a Constellation cluster.
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All of its associated resources will be DESTROYED.
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This action is irreversible and ALL DATA WILL BE LOST.
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Do you want to continue? [y/n]:
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```
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Confirm with `y` to terminate the cluster:
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```shell-session
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Terminating ...
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Your Constellation cluster was terminated successfully.
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```
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Optionally, you can also [delete your IAM resources](../workflows/config.md#deleting-an-iam-configuration).
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