remove warnings to check vale

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Moritz Eckert 2024-01-23 10:05:55 +01:00
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# Using Constellation via Cloud Marketplaces
Constellation is available through the Marketplaces of Azure and GCP. This allows you to create self-managed Constellation clusters that are billed on a pay-per-use basis (hourly, per vCPU) with your CSP account. You can still get direct support by Edgeless Systems. For more information, please [contact us](https://www.edgeless.systems/enterprise-support/).
Constellation is available through the Marketplaces of Azure and GCP. This allows you to create self-managed Constellation clusters that are billed on a pay-per-use basis (hourly, per vCPU) with your CSP account. You can still get direct support by Edgeless Systems. For more information, please [contact sales](https://www.edgeless.systems/enterprise-support/).
This document explains how to run Constellation with the dynamically billed cloud marketplace images.
## Azure
On Azure, Constellation has a private marketplace plan. Please [contact us](https://www.edgeless.systems/enterprise-support/) to gain access.
On Azure, Constellation has a private marketplace plan. Please [contact sales](https://www.edgeless.systems/enterprise-support/) to gain access.
To use a marketplace image, you need to accept the marketplace image's terms once for your subscription with the [Azure CLI](https://learn.microsoft.com/en-us/cli/azure/vm/image/terms?view=azure-cli-latest):

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The [CVMs Generally Available in GCP](https://cloud.google.com/compute/confidential-vm/docs/create-confidential-vm-instance) are based on AMD SEV but don't have SNP features enabled.
CVMs with SEV-SNP enabled are currently in [public preview](https://cloud.google.com/blog/products/identity-security/rsa-snp-vm-more-confidential). Regarding (3), with their SEV-SNP offering Google provides direct access to remote-attestation statements.
However, regarding (5), attestation is partially based on the [Shielded VM vTPM](https://cloud.google.com/compute/shielded-vm/docs/shielded-vm#vtpm) for [measured boot](../architecture/attestation.md#measured-boot), which is a vTPM managed by Google's hypervisor.
However, regarding (5), attestation is in parts based on the [Shielded VM vTPM](https://cloud.google.com/compute/shielded-vm/docs/shielded-vm#vtpm) for [measured boot](../architecture/attestation.md#measured-boot), which is a vTPM managed by Google's hypervisor.
Hence, the hypervisor is currently part of Constellation's TCB.
Regarding (4), the CVMs still include closed-source firmware.
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Amazon EC2 [supports AMD SEV-SNP](https://aws.amazon.com/de/about-aws/whats-new/2023/04/amazon-ec2-amd-sev-snp/).
Regarding (3), AWS provides direct access to remote-attestation statements.
However, regarding (5), attestation is partially based on the [NitroTPM](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/nitrotpm.html) for [measured boot](../architecture/attestation.md#measured-boot), which is a vTPM managed by the Nitro hypervisor.
However, regarding (5), attestation is in parts based on the [NitroTPM](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/nitrotpm.html) for [measured boot](../architecture/attestation.md#measured-boot), which is a vTPM managed by the Nitro hypervisor.
Hence, the hypervisor is currently part of Constellation's TCB.
Regarding (4), the [firmware is open source](https://github.com/aws/uefi) and can be reproducibly built.