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constellation/internal/config/config.go
Fabian Kammel 14103e4f89 Fix/config/measurements in yaml (#135) 
Custom type & marshal implementation for measurements to write base64 instead of single bytes
2022-05-12 10:15:00 +02:00

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package config
import (
"fmt"
"strconv"
azureClient "github.com/edgelesssys/constellation/cli/azure/client"
"github.com/edgelesssys/constellation/cli/cloud/cloudtypes"
"github.com/edgelesssys/constellation/cli/ec2"
awsClient "github.com/edgelesssys/constellation/cli/ec2/client"
"github.com/edgelesssys/constellation/cli/file"
gcpClient "github.com/edgelesssys/constellation/cli/gcp/client"
"github.com/edgelesssys/constellation/coordinator/attestation/vtpm"
"github.com/edgelesssys/constellation/internal/constants"
"google.golang.org/protobuf/proto"
)
var (
// gcpPCRs is a map of the expected PCR values for a GCP Constellation node.
// TODO: Get a full list once we have stable releases.
gcpPCRs = Measurements{
0: {0x0F, 0x35, 0xC2, 0x14, 0x60, 0x8D, 0x93, 0xC7, 0xA6, 0xE6, 0x8A, 0xE7, 0x35, 0x9B, 0x4A, 0x8B, 0xE5, 0xA0, 0xE9, 0x9E, 0xEA, 0x91, 0x07, 0xEC, 0xE4, 0x27, 0xC4, 0xDE, 0xA4, 0xE4, 0x39, 0xCF},
uint32(vtpm.PCRIndexOwnerID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
uint32(vtpm.PCRIndexClusterID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
}
// azurePCRs is a map of the expected PCR values for an Azure Constellation node.
// TODO: Get a full list once we have a working setup with stable releases.
azurePCRs = Measurements{
uint32(vtpm.PCRIndexOwnerID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
uint32(vtpm.PCRIndexClusterID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
}
qemuPCRs = Measurements{
uint32(vtpm.PCRIndexOwnerID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
uint32(vtpm.PCRIndexClusterID): {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
}
)
// Config defines a configuration used by the CLI.
// All fields in this struct and its child structs have pointer types
// to ensure the default values of the actual type is not confused with an omitted value.
type Config struct {
CoordinatorPort *string `yaml:"coordinatorPort,omitempty"`
AutoscalingNodeGroupsMin *int `yaml:"autoscalingNodeGroupsMin,omitempty"`
AutoscalingNodeGroupsMax *int `yaml:"autoscalingNodeGroupsMax,omitempty"`
StateDiskSizeGB *int `yaml:"StateDisksizeGB,omitempty"`
Provider *ProviderConfig `yaml:"provider,omitempty"`
}
// Default returns a struct with the default config.
func Default() *Config {
return &Config{
CoordinatorPort: proto.String(strconv.Itoa(constants.CoordinatorPort)),
AutoscalingNodeGroupsMin: intPtr(1),
AutoscalingNodeGroupsMax: intPtr(10),
StateDiskSizeGB: intPtr(30),
Provider: &ProviderConfig{
EC2: &EC2Config{
Image: proto.String("ami-07d3864beb84157d3"),
Tags: &[]ec2.Tag{
{
Key: "responsible",
Value: "cli",
},
{
Key: "Name",
Value: "Constellation",
},
},
SecurityGroupInput: &awsClient.SecurityGroupInput{
Inbound: cloudtypes.Firewall{
{
Description: "Coordinator default port",
Protocol: "TCP",
IPRange: "0.0.0.0/0",
FromPort: constants.CoordinatorPort,
},
{
Description: "Enclave SSH",
Protocol: "TCP",
IPRange: "0.0.0.0/0",
FromPort: constants.EnclaveSSHPort,
},
{
Description: "WireGuard default port",
Protocol: "UDP",
IPRange: "0.0.0.0/0",
FromPort: constants.WireguardPort,
},
{
Description: "SSH",
Protocol: "TCP",
IPRange: "0.0.0.0/0",
FromPort: constants.SSHPort,
},
{
Description: "NVMe over TCP",
Protocol: "TCP",
IPRange: "0.0.0.0/0",
FromPort: constants.NVMEOverTCPPort,
},
{
Description: "NodePort",
Protocol: "TCP",
IPRange: "0.0.0.0/0",
FromPort: constants.NodePortFrom,
ToPort: constants.NodePortTo,
},
},
},
},
Azure: &AzureConfig{
SubscriptionID: proto.String("0d202bbb-4fa7-4af8-8125-58c269a05435"),
TenantID: proto.String("adb650a8-5da3-4b15-b4b0-3daf65ff7626"),
Location: proto.String("North Europe"),
Image: proto.String("/subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/CONSTELLATION-IMAGES/providers/Microsoft.Compute/galleries/Constellation/images/constellation-coreos/versions/0.0.1651150807"),
NetworkSecurityGroupInput: &azureClient.NetworkSecurityGroupInput{
Ingress: cloudtypes.Firewall{
{
Name: "coordinator",
Description: "Coordinator default port",
Protocol: "tcp",
IPRange: "0.0.0.0/0",
FromPort: constants.CoordinatorPort,
},
{
Name: "wireguard",
Description: "WireGuard default port",
Protocol: "udp",
IPRange: "0.0.0.0/0",
FromPort: constants.WireguardPort,
},
{
Name: "ssh",
Description: "SSH",
Protocol: "tcp",
IPRange: "0.0.0.0/0",
FromPort: constants.SSHPort,
},
{
Name: "nodeport",
Description: "NodePort",
Protocol: "tcp",
IPRange: "0.0.0.0/0",
FromPort: constants.NodePortFrom,
ToPort: constants.NodePortTo,
},
},
},
Measurements: &azurePCRs,
UserAssignedIdentity: proto.String("/subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.ManagedIdentity/userAssignedIdentities/constellation-dev-identity"),
},
GCP: &GCPConfig{
Project: proto.String("constellation-331613"),
Region: proto.String("europe-west3"),
Zone: proto.String("europe-west3-b"),
Image: proto.String("projects/constellation-images/global/images/constellation-coreos-1651150807"),
FirewallInput: &gcpClient.FirewallInput{
Ingress: cloudtypes.Firewall{
{
Name: "coordinator",
Description: "Coordinator default port",
Protocol: "tcp",
FromPort: constants.CoordinatorPort,
},
{
Name: "wireguard",
Description: "WireGuard default port",
Protocol: "udp",
FromPort: constants.WireguardPort,
},
{
Name: "ssh",
Description: "SSH",
Protocol: "tcp",
FromPort: constants.SSHPort,
},
{
Name: "nodeport",
Description: "NodePort",
Protocol: "tcp",
FromPort: constants.NodePortFrom,
ToPort: constants.NodePortTo,
},
},
},
VPCsInput: &gcpClient.VPCsInput{
SubnetCIDR: "192.168.178.0/24",
SubnetExtCIDR: "10.10.0.0/16",
},
ServiceAccountRoles: &[]string{
"roles/compute.instanceAdmin.v1",
"roles/compute.networkAdmin",
"roles/compute.securityAdmin",
"roles/storage.admin",
"roles/iam.serviceAccountUser",
},
Measurements: &gcpPCRs,
},
QEMU: &QEMUConfig{
PCRs: &qemuPCRs,
},
},
}
}
// FromFile returns a default config that has been merged with a config file.
// If name is empty, the defaults are returned.
func FromFile(fileHandler file.Handler, name string) (*Config, error) {
conf := Default()
if name == "" {
return conf, nil
}
if err := fileHandler.ReadYAML(name, conf); err != nil {
return nil, fmt.Errorf("could not load config from file %s: %w", name, err)
}
return conf, nil
}
// ProviderConfig are cloud-provider specific configuration values used by the CLI.
type ProviderConfig struct {
EC2 *EC2Config `yaml:"ec2Config,omitempty"`
Azure *AzureConfig `yaml:"azureConfig,omitempty"`
GCP *GCPConfig `yaml:"gcpConfig,omitempty"`
QEMU *QEMUConfig `yaml:"qemuConfig,omitempty"`
}
// EC2Config are AWS EC2 specific configuration values used by the CLI.
type EC2Config struct {
Image *string `yaml:"image,omitempty"`
Tags *[]ec2.Tag `yaml:"tags,omitempty"`
SecurityGroupInput *awsClient.SecurityGroupInput `yaml:"securityGroupInput,omitempty"`
}
// AzureConfig are Azure specific configuration values used by the CLI.
type AzureConfig struct {
SubscriptionID *string `yaml:"subscription,omitempty"` // TODO: This will be user input
TenantID *string `yaml:"tenant,omitempty"` // TODO: This will be user input
Location *string `yaml:"location,omitempty"` // TODO: This will be user input
Image *string `yaml:"image,omitempty"`
NetworkSecurityGroupInput *azureClient.NetworkSecurityGroupInput `yaml:"networkSecurityGroupInput,omitempty"`
Measurements *Measurements `yaml:"measurements,omitempty"`
UserAssignedIdentity *string `yaml:"userassignedIdentity,omitempty"`
}
// GCPConfig are GCP specific configuration values used by the CLI.
type GCPConfig struct {
Project *string `yaml:"project,omitempty"` // TODO: This will be user input
Region *string `yaml:"region,omitempty"` // TODO: This will be user input
Zone *string `yaml:"zone,omitempty"` // TODO: This will be user input
Image *string `yaml:"image,omitempty"`
FirewallInput *gcpClient.FirewallInput `yaml:"firewallInput,omitempty"`
VPCsInput *gcpClient.VPCsInput `yaml:"vpcsInput,omitempty"`
ServiceAccountRoles *[]string `yaml:"serviceAccountRoles,omitempty"`
Measurements *Measurements `yaml:"measurements,omitempty"`
}
type QEMUConfig struct {
PCRs *Measurements `yaml:"pcrs,omitempty"`
}
// intPtr returns a pointer to the copied value of in.
func intPtr(in int) *int {
return &in
}
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