constellation/internal/config/aws.go

/*
Copyright (c) Edgeless Systems GmbH

SPDX-License-Identifier: AGPL-3.0-only
*/
package config

import (
	"fmt"

	"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
	"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
	"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
)

// DefaultForAWSSEVSNP provides a valid default configuration for AWS SEV-SNP attestation.
func DefaultForAWSSEVSNP() *AWSSEVSNP {
	return &AWSSEVSNP{
		Measurements:      measurements.DefaultsFor(cloudprovider.AWS, variant.AWSSEVSNP{}),
		BootloaderVersion: NewLatestPlaceholderVersion(),
		TEEVersion:        NewLatestPlaceholderVersion(),
		SNPVersion:        NewLatestPlaceholderVersion(),
		MicrocodeVersion:  NewLatestPlaceholderVersion(),
		AMDRootKey:        mustParsePEM(arkPEM),
	}
}

// GetVariant returns aws-sev-snp as the variant.
func (AWSSEVSNP) GetVariant() variant.Variant {
	return variant.AWSSEVSNP{}
}

// GetMeasurements returns the measurements used for attestation.
func (c AWSSEVSNP) GetMeasurements() measurements.M {
	return c.Measurements
}

// SetMeasurements updates a config's measurements using the given measurements.
func (c *AWSSEVSNP) SetMeasurements(m measurements.M) {
	c.Measurements = m
}

// EqualTo returns true if the config is equal to the given config.
func (c AWSSEVSNP) EqualTo(other AttestationCfg) (bool, error) {
	otherCfg, ok := other.(*AWSSEVSNP)
	if !ok {
		return false, fmt.Errorf("cannot compare %T with %T", c, other)
	}

	return c.Measurements.EqualTo(otherCfg.Measurements), nil
}

// GetVariant returns aws-nitro-tpm as the variant.
func (AWSNitroTPM) GetVariant() variant.Variant {
	return variant.AWSNitroTPM{}
}

// GetMeasurements returns the measurements used for attestation.
func (c AWSNitroTPM) GetMeasurements() measurements.M {
	return c.Measurements
}

// SetMeasurements updates a config's measurements using the given measurements.
func (c *AWSNitroTPM) SetMeasurements(m measurements.M) {
	c.Measurements = m
}

// EqualTo returns true if the config is equal to the given config.
func (c AWSNitroTPM) EqualTo(other AttestationCfg) (bool, error) {
	otherCfg, ok := other.(*AWSNitroTPM)
	if !ok {
		return false, fmt.Errorf("cannot compare %T with %T", c, other)
	}
	return c.Measurements.EqualTo(otherCfg.Measurements), nil
}