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0a911806d1
* Move IAM migration client to cloudcmd package * Move Terraform Cluster upgrade client to cloudcmd package * Use hcl for creating Terraform IAM variables files * Unify terraform upgrade code * Rename some cloudcmd files for better clarity --------- Signed-off-by: Daniel Weiße <dw@edgeless.systems>
258 lines
10 KiB
Go
258 lines
10 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package cloudcmd
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/edgelesssys/constellation/v2/cli/internal/terraform"
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"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
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"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/v2/internal/config"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/file"
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"github.com/edgelesssys/constellation/v2/internal/role"
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)
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// TerraformUpgradeVars returns variables required to execute the Terraform scripts.
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func TerraformUpgradeVars(conf *config.Config) (terraform.Variables, error) {
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// Note that we don't pass any real image as imageRef, as we ignore changes to the image in the terraform.
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// The image is updates via our operator.
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// Still, the terraform variable verification must accept the values.
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// For AWS, we enforce some basic constraints on the image variable.
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// For Azure, the provider enforces the format below.
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// For GCP, any placeholder works.
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var vars terraform.Variables
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switch conf.GetProvider() {
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case cloudprovider.AWS:
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vars = awsTerraformVars(conf, "ami-placeholder")
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case cloudprovider.Azure:
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vars = azureTerraformVars(conf, "/communityGalleries/myGalleryName/images/myImageName/versions/latest")
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case cloudprovider.GCP:
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vars = gcpTerraformVars(conf, "placeholder")
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default:
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return nil, fmt.Errorf("unsupported provider: %s", conf.GetProvider())
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}
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return vars, nil
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}
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// TerraformIAMUpgradeVars returns variables required to execute IAM upgrades with Terraform.
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func TerraformIAMUpgradeVars(conf *config.Config, fileHandler file.Handler) (terraform.Variables, error) {
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// Load the tfvars of the existing IAM workspace.
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// Ideally we would only load values from the config file, but this currently does not hold all values required.
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// This should be refactored in the future.
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oldVarBytes, err := fileHandler.Read(filepath.Join(constants.TerraformIAMWorkingDir, "terraform.tfvars"))
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if err != nil {
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return nil, fmt.Errorf("reading existing IAM workspace: %w", err)
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}
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var vars terraform.Variables
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switch conf.GetProvider() {
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case cloudprovider.AWS:
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var oldVars terraform.AWSIAMVariables
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if err := terraform.VariablesFromBytes(oldVarBytes, &oldVars); err != nil {
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return nil, fmt.Errorf("parsing existing IAM workspace: %w", err)
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}
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vars = awsTerraformIAMVars(conf, oldVars)
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case cloudprovider.Azure:
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var oldVars terraform.AzureIAMVariables
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if err := terraform.VariablesFromBytes(oldVarBytes, &oldVars); err != nil {
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return nil, fmt.Errorf("parsing existing IAM workspace: %w", err)
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}
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vars = azureTerraformIAMVars(conf, oldVars)
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case cloudprovider.GCP:
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var oldVars terraform.GCPIAMVariables
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if err := terraform.VariablesFromBytes(oldVarBytes, &oldVars); err != nil {
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return nil, fmt.Errorf("parsing existing IAM workspace: %w", err)
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}
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vars = gcpTerraformIAMVars(conf, oldVars)
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default:
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return nil, fmt.Errorf("unsupported provider: %s", conf.GetProvider())
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}
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return vars, nil
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}
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// awsTerraformVars provides variables required to execute the Terraform scripts.
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// It should be the only place to declare the AWS variables.
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func awsTerraformVars(conf *config.Config, imageRef string) *terraform.AWSClusterVariables {
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nodeGroups := make(map[string]terraform.AWSNodeGroup)
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for groupName, group := range conf.NodeGroups {
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nodeGroups[groupName] = terraform.AWSNodeGroup{
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Role: role.FromString(group.Role).TFString(),
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StateDiskSizeGB: group.StateDiskSizeGB,
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InitialCount: group.InitialCount,
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Zone: group.Zone,
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InstanceType: group.InstanceType,
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DiskType: group.StateDiskType,
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}
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}
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return &terraform.AWSClusterVariables{
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Name: conf.Name,
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NodeGroups: nodeGroups,
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Region: conf.Provider.AWS.Region,
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Zone: conf.Provider.AWS.Zone,
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AMIImageID: imageRef,
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IAMProfileControlPlane: conf.Provider.AWS.IAMProfileControlPlane,
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IAMProfileWorkerNodes: conf.Provider.AWS.IAMProfileWorkerNodes,
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Debug: conf.IsDebugCluster(),
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EnableSNP: conf.GetAttestationConfig().GetVariant().Equal(variant.AWSSEVSNP{}),
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CustomEndpoint: conf.CustomEndpoint,
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}
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}
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func awsTerraformIAMVars(conf *config.Config, oldVars terraform.AWSIAMVariables) *terraform.AWSIAMVariables {
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return &terraform.AWSIAMVariables{
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Region: conf.Provider.AWS.Region,
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Prefix: oldVars.Prefix,
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}
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}
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// azureTerraformVars provides variables required to execute the Terraform scripts.
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// It should be the only place to declare the Azure variables.
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func azureTerraformVars(conf *config.Config, imageRef string) *terraform.AzureClusterVariables {
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nodeGroups := make(map[string]terraform.AzureNodeGroup)
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for groupName, group := range conf.NodeGroups {
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zones := strings.Split(group.Zone, ",")
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if len(zones) == 0 || (len(zones) == 1 && zones[0] == "") {
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zones = nil
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}
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nodeGroups[groupName] = terraform.AzureNodeGroup{
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Role: role.FromString(group.Role).TFString(),
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InitialCount: group.InitialCount,
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InstanceType: group.InstanceType,
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DiskSizeGB: group.StateDiskSizeGB,
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DiskType: group.StateDiskType,
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Zones: zones,
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}
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}
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vars := &terraform.AzureClusterVariables{
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Name: conf.Name,
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NodeGroups: nodeGroups,
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Location: conf.Provider.Azure.Location,
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ImageID: imageRef,
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CreateMAA: toPtr(conf.GetAttestationConfig().GetVariant().Equal(variant.AzureSEVSNP{})),
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Debug: toPtr(conf.IsDebugCluster()),
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ConfidentialVM: toPtr(conf.GetAttestationConfig().GetVariant().Equal(variant.AzureSEVSNP{})),
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SecureBoot: conf.Provider.Azure.SecureBoot,
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UserAssignedIdentity: conf.Provider.Azure.UserAssignedIdentity,
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ResourceGroup: conf.Provider.Azure.ResourceGroup,
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CustomEndpoint: conf.CustomEndpoint,
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}
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vars = normalizeAzureURIs(vars)
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return vars
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}
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func azureTerraformIAMVars(conf *config.Config, oldVars terraform.AzureIAMVariables) *terraform.AzureIAMVariables {
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return &terraform.AzureIAMVariables{
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Region: conf.Provider.Azure.Location,
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ServicePrincipal: oldVars.ServicePrincipal,
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ResourceGroup: conf.Provider.Azure.ResourceGroup,
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}
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}
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// gcpTerraformVars provides variables required to execute the Terraform scripts.
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// It should be the only place to declare the GCP variables.
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func gcpTerraformVars(conf *config.Config, imageRef string) *terraform.GCPClusterVariables {
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nodeGroups := make(map[string]terraform.GCPNodeGroup)
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for groupName, group := range conf.NodeGroups {
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nodeGroups[groupName] = terraform.GCPNodeGroup{
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Role: role.FromString(group.Role).TFString(),
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StateDiskSizeGB: group.StateDiskSizeGB,
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InitialCount: group.InitialCount,
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Zone: group.Zone,
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InstanceType: group.InstanceType,
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DiskType: group.StateDiskType,
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}
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}
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return &terraform.GCPClusterVariables{
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Name: conf.Name,
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NodeGroups: nodeGroups,
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Project: conf.Provider.GCP.Project,
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Region: conf.Provider.GCP.Region,
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Zone: conf.Provider.GCP.Zone,
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ImageID: imageRef,
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Debug: conf.IsDebugCluster(),
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CustomEndpoint: conf.CustomEndpoint,
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}
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}
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func gcpTerraformIAMVars(conf *config.Config, oldVars terraform.GCPIAMVariables) *terraform.GCPIAMVariables {
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return &terraform.GCPIAMVariables{
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Project: conf.Provider.GCP.Project,
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Region: conf.Provider.GCP.Region,
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Zone: conf.Provider.GCP.Zone,
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ServiceAccountID: oldVars.ServiceAccountID,
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}
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}
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// openStackTerraformVars provides variables required to execute the Terraform scripts.
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// It should be the only place to declare the OpenStack variables.
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func openStackTerraformVars(conf *config.Config, imageRef string) *terraform.OpenStackClusterVariables {
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nodeGroups := make(map[string]terraform.OpenStackNodeGroup)
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for groupName, group := range conf.NodeGroups {
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nodeGroups[groupName] = terraform.OpenStackNodeGroup{
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Role: role.FromString(group.Role).TFString(),
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StateDiskSizeGB: group.StateDiskSizeGB,
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InitialCount: group.InitialCount,
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FlavorID: group.InstanceType,
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Zone: group.Zone,
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StateDiskType: group.StateDiskType,
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}
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}
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return &terraform.OpenStackClusterVariables{
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Name: conf.Name,
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Cloud: toPtr(conf.Provider.OpenStack.Cloud),
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FloatingIPPoolID: conf.Provider.OpenStack.FloatingIPPoolID,
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ImageURL: imageRef,
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DirectDownload: *conf.Provider.OpenStack.DirectDownload,
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OpenstackUserDomainName: conf.Provider.OpenStack.UserDomainName,
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OpenstackUsername: conf.Provider.OpenStack.Username,
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OpenstackPassword: conf.Provider.OpenStack.Password,
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Debug: conf.IsDebugCluster(),
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NodeGroups: nodeGroups,
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CustomEndpoint: conf.CustomEndpoint,
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}
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}
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// qemuTerraformVars provides variables required to execute the Terraform scripts.
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// It should be the only place to declare the QEMU variables.
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func qemuTerraformVars(conf *config.Config, imageRef string, libvirtURI, libvirtSocketPath, metadataLibvirtURI string) *terraform.QEMUVariables {
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nodeGroups := make(map[string]terraform.QEMUNodeGroup)
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for groupName, group := range conf.NodeGroups {
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nodeGroups[groupName] = terraform.QEMUNodeGroup{
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Role: role.FromString(group.Role).TFString(),
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InitialCount: group.InitialCount,
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DiskSize: group.StateDiskSizeGB,
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CPUCount: conf.Provider.QEMU.VCPUs,
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MemorySize: conf.Provider.QEMU.Memory,
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}
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}
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return &terraform.QEMUVariables{
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Name: conf.Name,
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LibvirtURI: libvirtURI,
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LibvirtSocketPath: libvirtSocketPath,
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// TODO(malt3): auto select boot mode based on attestation variant.
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// requires image info v2.
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BootMode: "uefi",
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ImagePath: imageRef,
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ImageFormat: conf.Provider.QEMU.ImageFormat,
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NodeGroups: nodeGroups,
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Machine: "q35", // TODO(elchead): make configurable AB#3225
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MetadataAPIImage: conf.Provider.QEMU.MetadataAPIImage,
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MetadataLibvirtURI: metadataLibvirtURI,
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NVRAM: conf.Provider.QEMU.NVRAM,
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// TODO(malt3) enable once we have a way to auto-select values for these
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// requires image info v2.
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// BzImagePath: placeholder,
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// InitrdPath: placeholder,
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// KernelCmdline: placeholder,
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}
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}
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