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361 lines
12 KiB
Markdown
361 lines
12 KiB
Markdown
# Installation and setup
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Constellation runs entirely in your cloud environment and can be controlled via a dedicated command-line interface (CLI).
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The following guides you through the steps of installing the CLI on your machine, verifying it, and connecting it to your cloud service provider (CSP).
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## Prerequisites
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Make sure the following requirements are met:
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- Your machine is running Linux or macOS
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- You have admin rights on your machine
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- [kubectl](https://kubernetes.io/docs/tasks/tools/) is installed
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- Your CSP is Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP)
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## Install the Constellation CLI
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The CLI executable is available at [GitHub](https://github.com/edgelesssys/constellation/releases).
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Install it with the following commands:
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<tabs>
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<tabItem value="linux-amd64" label="Linux (amd64)">
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1. Download the CLI:
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```bash
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curl -LO https://github.com/edgelesssys/constellation/releases/latest/download/constellation-linux-amd64
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```
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2. [Verify the signature](../workflows/verify-cli.md) (optional)
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3. Install the CLI to your PATH:
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```bash
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sudo install constellation-linux-amd64 /usr/local/bin/constellation
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```
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</tabItem>
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<tabItem value="linux-arm64" label="Linux (arm64)">
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1. Download the CLI:
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```bash
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curl -LO https://github.com/edgelesssys/constellation/releases/latest/download/constellation-linux-arm64
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```
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2. [Verify the signature](../workflows/verify-cli.md) (optional)
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3. Install the CLI to your PATH:
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```bash
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sudo install constellation-linux-arm64 /usr/local/bin/constellation
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```
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</tabItem>
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<tabItem value="darwin-arm64" label="macOS (Apple Silicon)">
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1. Download the CLI:
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```bash
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curl -LO https://github.com/edgelesssys/constellation/releases/latest/download/constellation-darwin-arm64
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```
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2. [Verify the signature](../workflows/verify-cli.md) (optional)
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3. Install the CLI to your PATH:
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```bash
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sudo install constellation-darwin-arm64 /usr/local/bin/constellation
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```
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</tabItem>
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<tabItem value="darwin-amd64" label="macOS (Intel)">
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1. Download the CLI:
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```bash
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curl -LO https://github.com/edgelesssys/constellation/releases/latest/download/constellation-darwin-amd64
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```
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2. [Verify the signature](../workflows/verify-cli.md) (optional)
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3. Install the CLI to your PATH:
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```bash
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sudo install constellation-darwin-amd64 /usr/local/bin/constellation
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```
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</tabItem>
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</tabs>
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:::tip
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The CLI supports autocompletion for various shells. To set it up, run `constellation completion` and follow the given steps.
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:::
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## Set up cloud credentials
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The CLI makes authenticated calls to the CSP API. Therefore, you need to set up Constellation with the credentials for your CSP.
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:::tip
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If you don't have a cloud subscription, you can also set up a [local Constellation cluster using virtualization](../getting-started/first-steps-local.md) for testing.
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:::
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### Required permissions
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<tabs groupId="csp">
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<tabItem value="azure" label="Azure">
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The following [resource providers need to be registered](https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/resource-providers-and-types#register-resource-provider) in your subscription:
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* `Microsoft.Attestation` \[2]
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* `Microsoft.Compute`
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* `Microsoft.Insights`
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* `Microsoft.ManagedIdentity`
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* `Microsoft.Network`
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By default, Constellation tries to register these automatically if they haven't been registered before.
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To [create the IAM configuration](../workflows/config.md#creating-an-iam-configuration) for Constellation, you need the following permissions:
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* `*/register/action` \[1]
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* `Microsoft.Authorization/roleAssignments/*`
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* `Microsoft.Authorization/roleDefinitions/*`
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* `Microsoft.ManagedIdentity/userAssignedIdentities/*`
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* `Microsoft.Resources/subscriptions/resourcegroups/*`
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The built-in `Owner` role is a superset of these permissions.
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To [create a Constellation cluster](../workflows/create.md#the-create-step), you need the following permissions:
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* `Microsoft.Attestation/attestationProviders/*` \[2]
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* `Microsoft.Compute/virtualMachineScaleSets/*`
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* `Microsoft.Insights/components/*`
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* `Microsoft.ManagedIdentity/userAssignedIdentities/*`
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* `Microsoft.Network/loadBalancers/*`
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* `Microsoft.Network/loadBalancers/backendAddressPools/*`
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* `Microsoft.Network/networkSecurityGroups/*`
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* `Microsoft.Network/publicIPAddresses/*`
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* `Microsoft.Network/virtualNetworks/*`
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* `Microsoft.Network/virtualNetworks/subnets/*`
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* `Microsoft.Network/natGateways/*`
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The built-in `Contributor` role is a superset of these permissions.
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Follow Microsoft's guide on [understanding](https://learn.microsoft.com/en-us/azure/role-based-access-control/role-definitions) and [assigning roles](https://learn.microsoft.com/en-us/azure/role-based-access-control/role-assignments).
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1: You can omit `*/register/Action` if the resource providers mentioned above are already registered and the `ARM_SKIP_PROVIDER_REGISTRATION` environment variable is set to `true` when creating the IAM configuration.
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2: You can omit `Microsoft.Attestation/attestationProviders/*` and the registration of `Microsoft.Attestation` if `EnforceIDKeyDigest` isn't set to `MAAFallback` in the [config file](../workflows/config.md#configure-your-cluster).
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</tabItem>
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<tabItem value="gcp" label="GCP">
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Create a new project for Constellation or use an existing one.
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Enable the [Compute Engine API](https://console.cloud.google.com/apis/library/compute.googleapis.com) on it.
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To [create the IAM configuration](../workflows/config.md#creating-an-iam-configuration) for Constellation, you need the following permissions:
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* `iam.serviceAccountKeys.create`
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* `iam.serviceAccountKeys.delete`
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* `iam.serviceAccountKeys.get`
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* `iam.serviceAccounts.create`
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* `iam.serviceAccounts.delete`
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* `iam.serviceAccounts.get`
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* `resourcemanager.projects.getIamPolicy`
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* `resourcemanager.projects.setIamPolicy`
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Together, the built-in roles `roles/editor` and `roles/resourcemanager.projectIamAdmin` form a superset of these permissions.
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To [create a Constellation cluster](../workflows/create.md#the-create-step), you need the following permissions:
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* `compute.addresses.createInternal`
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* `compute.addresses.deleteInternal`
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* `compute.addresses.get`
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* `compute.addresses.useInternal`
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* `compute.backendServices.create`
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* `compute.backendServices.delete`
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* `compute.backendServices.get`
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* `compute.backendServices.use`
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* `compute.disks.create`
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* `compute.firewalls.create`
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* `compute.firewalls.delete`
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* `compute.firewalls.get`
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* `compute.firewalls.update`
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* `compute.globalAddresses.create`
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* `compute.globalAddresses.delete`
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* `compute.globalAddresses.get`
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* `compute.globalAddresses.use`
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* `compute.globalForwardingRules.create`
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* `compute.globalForwardingRules.delete`
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* `compute.globalForwardingRules.get`
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* `compute.globalForwardingRules.setLabels`
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* `compute.globalOperations.get`
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* `compute.healthChecks.create`
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* `compute.healthChecks.delete`
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* `compute.healthChecks.get`
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* `compute.healthChecks.useReadOnly`
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* `compute.instanceGroupManagers.create`
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* `compute.instanceGroupManagers.delete`
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* `compute.instanceGroupManagers.get`
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* `compute.instanceGroupManagers.update`
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* `compute.instanceGroups.create`
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* `compute.instanceGroups.delete`
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* `compute.instanceGroups.get`
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* `compute.instanceGroups.update`
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* `compute.instanceGroups.use`
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* `compute.instances.create`
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* `compute.instances.setLabels`
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* `compute.instances.setMetadata`
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* `compute.instances.setTags`
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* `compute.instanceTemplates.create`
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* `compute.instanceTemplates.delete`
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* `compute.instanceTemplates.get`
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* `compute.instanceTemplates.useReadOnly`
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* `compute.networks.create`
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* `compute.networks.delete`
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* `compute.networks.get`
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* `compute.networks.updatePolicy`
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* `compute.routers.create`
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* `compute.routers.delete`
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* `compute.routers.get`
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* `compute.routers.update`
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* `compute.subnetworks.create`
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* `compute.subnetworks.delete`
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* `compute.subnetworks.get`
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* `compute.subnetworks.use`
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* `compute.targetTcpProxies.create`
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* `compute.targetTcpProxies.delete`
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* `compute.targetTcpProxies.get`
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* `compute.targetTcpProxies.use`
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* `iam.serviceAccounts.actAs`
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Together, the built-in roles `roles/editor`, `roles/compute.instanceAdmin` and `roles/resourcemanager.projectIamAdmin` form a superset of these permissions.
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Follow Google's guide on [understanding](https://cloud.google.com/iam/docs/understanding-roles) and [assigning roles](https://cloud.google.com/iam/docs/granting-changing-revoking-access).
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</tabItem>
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<tabItem value="aws" label="AWS">
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To set up a Constellation cluster, you need to perform two tasks that require permissions: create the infrastructure and create roles for cluster nodes. Both of these actions can be performed by different users, e.g., an administrator to create roles and a DevOps engineer to create the infrastructure.
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To [create the IAM configuration](../workflows/config.md#creating-an-iam-configuration) for Constellation, you need the following permissions:
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```json
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Action": [
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"ec2:DescribeAccountAttributes",
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"iam:AddRoleToInstanceProfile",
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"iam:AttachRolePolicy",
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"iam:CreateInstanceProfile",
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"iam:CreatePolicy",
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"iam:CreateRole",
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"iam:DeleteInstanceProfile",
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"iam:DeletePolicy",
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"iam:DeletePolicyVersion",
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"iam:DeleteRole",
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"iam:DetachRolePolicy",
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"iam:GetInstanceProfile",
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"iam:GetPolicy",
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"iam:GetPolicyVersion",
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"iam:GetRole",
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"iam:ListAttachedRolePolicies",
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"iam:ListInstanceProfilesForRole",
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"iam:ListPolicyVersions",
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"iam:ListRolePolicies",
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"iam:PassRole",
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"iam:RemoveRoleFromInstanceProfile",
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"sts:GetCallerIdentity"
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],
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"Resource": "*"
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}
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]
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}
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```
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The built-in `AdministratorAccess` policy is a superset of these permissions.
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To [create a Constellation cluster](../workflows/create.md#the-create-step), see the permissions of [main.tf](https://github.com/edgelesssys/constellation/blob/main/terraform/infrastructure/iam/aws/main.tf).
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The built-in `PowerUserAccess` policy is a superset of these permissions.
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Follow Amazon's guide on [understanding](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html) and [managing policies](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html).
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</tabItem>
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</tabs>
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### Authentication
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You need to authenticate with your CSP. The following lists the required steps for *testing* and *production* environments.
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:::note
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The steps for a *testing* environment are simpler. However, they may expose secrets to the CSP. If in doubt, follow the *production* steps.
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:::
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<tabs groupId="csp">
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<tabItem value="azure" label="Azure">
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**Testing**
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Simply open the [Azure Cloud Shell](https://docs.microsoft.com/en-us/azure/cloud-shell/overview).
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**Production**
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Use the latest version of the [Azure CLI](https://docs.microsoft.com/en-us/cli/azure/) on a trusted machine:
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```bash
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az login
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```
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Other options are described in Azure's [authentication guide](https://docs.microsoft.com/en-us/cli/azure/authenticate-azure-cli).
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</tabItem>
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<tabItem value="gcp" label="GCP">
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**Testing**
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You can use the [Google Cloud Shell](https://cloud.google.com/shell). Make sure your [session is authorized](https://cloud.google.com/shell/docs/auth). For example, execute `gsutil` and accept the authorization prompt.
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**Production**
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Use one of the following options on a trusted machine:
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- Use the [`gcloud` CLI](https://cloud.google.com/sdk/gcloud)
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```bash
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gcloud auth application-default login
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```
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This will ask you to log-in to your Google account and create your credentials.
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The Constellation CLI will automatically load these credentials when needed.
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- Set up a service account and pass the credentials manually
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Follow [Google's guide](https://cloud.google.com/docs/authentication/production#manually) for setting up your credentials.
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</tabItem>
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<tabItem value="aws" label="AWS">
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**Testing**
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You can use the [AWS CloudShell](https://console.aws.amazon.com/cloudshell/home). Make sure you are [authorized to use it](https://docs.aws.amazon.com/cloudshell/latest/userguide/sec-auth-with-identities.html).
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**Production**
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Use the latest version of the [AWS CLI](https://aws.amazon.com/cli/) on a trusted machine:
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```bash
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aws configure
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```
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Options and first steps are described in the [AWS CLI documentation](https://docs.aws.amazon.com/cli/index.html).
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</tabItem>
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</tabs>
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## Next steps
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You are now ready to [deploy your first confidential Kubernetes cluster and application](first-steps.md).
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