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343 lines
11 KiB
Markdown
343 lines
11 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 Microsoft Azure, Google Cloud Platform (GCP), or Amazon Web Services (AWS)
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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 try [MiniConstellation](first-steps-local.md), which lets you set up a local Constellation cluster using virtualization.
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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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You need the following permissions for your user account:
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- `Contributor` (to create cloud resources)
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- `User Access Administrator` (to create a service account)
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If you don't have these permissions with scope *subscription*, ask your administrator to [create the service account and a resource group for your Constellation cluster](first-steps.md).
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Your user account needs the `Contributor` permission scoped to this resource group.
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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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You need the following permissions on this project:
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- `compute.*` (or the subset defined by `roles/compute.instanceAdmin.v1`)
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- `iam.serviceAccountUser`
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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 AWS IAM policies, your user requires the following minimal set of 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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"sts:GetCallerIdentity",
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"ec2:DescribeAccountAttributes",
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"iam:CreateRole",
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"iam:CreatePolicy",
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"iam:GetPolicy",
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"iam:GetRole",
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"iam:GetPolicyVersion",
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"iam:ListRolePolicies",
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"iam:ListAttachedRolePolicies",
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"iam:CreateInstanceProfile",
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"iam:AttachRolePolicy",
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"iam:GetInstanceProfile",
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"iam:AddRoleToInstanceProfile",
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"iam:PassRole",
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"iam:RemoveRoleFromInstanceProfile",
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"iam:DetachRolePolicy",
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"iam:DeleteInstanceProfile",
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"iam:ListPolicyVersions",
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"iam:ListInstanceProfilesForRole",
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"iam:DeletePolicy",
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"iam:DeleteRole"
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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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To create the infrastructure, you can either use a predefined role from Amazon,
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such as `PowerUserAccess`, or use the following minimal set of 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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"sts:GetCallerIdentity",
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"ec2:DescribeAccountAttributes",
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"ec2:AllocateAddress",
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"ec2:CreateVpc",
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"ec2:CreateTags",
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"logs:CreateLogGroup",
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"ec2:CreateLaunchTemplate",
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"ec2:DescribeAddresses",
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"ec2:DescribeLaunchTemplates",
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"logs:PutRetentionPolicy",
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"logs:DescribeLogGroups",
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"ec2:DescribeVpcs",
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"ec2:DescribeLaunchTemplateVersions",
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"logs:ListTagsLogGroup",
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"ec2:DescribeVpcClassicLink",
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"ec2:DescribeVpcClassicLinkDnsSupport",
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"ec2:DescribeVpcAttribute",
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"ec2:DescribeNetworkAcls",
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"ec2:DescribeRouteTables",
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"ec2:DescribeSecurityGroups",
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"ec2:CreateSubnet",
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"ec2:CreateSecurityGroup",
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"elasticloadbalancing:CreateTargetGroup",
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"ec2:CreateInternetGateway",
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"ec2:DescribeSubnets",
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"elasticloadbalancing:DescribeTargetGroups",
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"ec2:AttachInternetGateway",
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"elasticloadbalancing:ModifyTargetGroupAttributes",
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"ec2:DescribeInternetGateways",
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"autoscaling:CreateAutoScalingGroup",
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"iam:PassRole",
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"ec2:CreateNatGateway",
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"ec2:RevokeSecurityGroupEgress",
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"elasticloadbalancing:DescribeTargetGroupAttributes",
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"elasticloadbalancing:CreateLoadBalancer",
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"ec2:DescribeNatGateways",
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"elasticloadbalancing:DescribeTags",
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"autoscaling:DescribeScalingActivities",
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"ec2:CreateRouteTable",
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"autoscaling:DescribeAutoScalingGroups",
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"ec2:AuthorizeSecurityGroupIngress",
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"ec2:AuthorizeSecurityGroupEgress",
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"ec2:CreateRoute",
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"ec2:AssociateRouteTable",
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"elasticloadbalancing:DescribeTargetHealth",
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"elasticloadbalancing:DescribeLoadBalancers",
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"elasticloadbalancing:ModifyLoadBalancerAttributes",
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"elasticloadbalancing:AddTags",
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"elasticloadbalancing:DescribeLoadBalancerAttributes",
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"elasticloadbalancing:CreateListener",
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"elasticloadbalancing:DescribeListeners",
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"logs:DeleteLogGroup",
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"elasticloadbalancing:DeleteListener",
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"ec2:DisassociateRouteTable",
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"autoscaling:UpdateAutoScalingGroup",
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"elasticloadbalancing:DeleteLoadBalancer",
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"autoscaling:SetInstanceProtection",
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"ec2:DescribeNetworkInterfaces",
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"ec2:DeleteRouteTable",
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"ec2:DeleteNatGateway",
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"ec2:DetachInternetGateway",
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"ec2:DisassociateAddress",
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"ec2:ReleaseAddress",
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"ec2:DeleteInternetGateway",
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"ec2:DeleteSubnet",
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"autoscaling:DeleteAutoScalingGroup",
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"ec2:DeleteLaunchTemplate",
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"elasticloadbalancing:DeleteTargetGroup",
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"ec2:DeleteSecurityGroup",
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"ec2:DeleteVpc"
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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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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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