mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-09-21 08:45:46 +00:00
253 lines
7.7 KiB
Go
253 lines
7.7 KiB
Go
/*
|
|
Copyright (c) Edgeless Systems GmbH
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
package cloudcmd
|
|
|
|
import (
|
|
"context"
|
|
"encoding/base64"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/edgelesssys/constellation/v2/cli/internal/terraform"
|
|
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
|
|
"github.com/edgelesssys/constellation/v2/internal/cloud/gcpshared"
|
|
)
|
|
|
|
// IAMDestroyer destroys an IAM configuration.
|
|
type IAMDestroyer struct {
|
|
newTerraformClient newTFIAMClientFunc
|
|
}
|
|
|
|
// NewIAMDestroyer creates a new IAM Destroyer.
|
|
func NewIAMDestroyer() *IAMDestroyer {
|
|
return &IAMDestroyer{newTerraformClient: newTerraformIAMClient}
|
|
}
|
|
|
|
// GetTfStateServiceAccountKey returns the sa_key output from the terraform state.
|
|
func (d *IAMDestroyer) GetTfStateServiceAccountKey(ctx context.Context, tfWorkspace string) (gcpshared.ServiceAccountKey, error) {
|
|
client, err := d.newTerraformClient(ctx, tfWorkspace)
|
|
if err != nil {
|
|
return gcpshared.ServiceAccountKey{}, err
|
|
}
|
|
|
|
tfState, err := client.ShowIAM(ctx, cloudprovider.GCP)
|
|
if err != nil {
|
|
return gcpshared.ServiceAccountKey{}, fmt.Errorf("getting terraform state: %w", err)
|
|
}
|
|
if saKeyString := tfState.GCP.SaKey; saKeyString != "" {
|
|
saKey, err := base64.StdEncoding.DecodeString(saKeyString)
|
|
if err != nil {
|
|
return gcpshared.ServiceAccountKey{}, err
|
|
}
|
|
var tfSaKey gcpshared.ServiceAccountKey
|
|
if err := json.Unmarshal(saKey, &tfSaKey); err != nil {
|
|
return gcpshared.ServiceAccountKey{}, err
|
|
}
|
|
|
|
return tfSaKey, nil
|
|
}
|
|
return gcpshared.ServiceAccountKey{}, errors.New("no saKey in terraform state")
|
|
}
|
|
|
|
// DestroyIAMConfiguration destroys the previously created IAM configuration and deletes the local IAM terraform files.
|
|
func (d *IAMDestroyer) DestroyIAMConfiguration(ctx context.Context, tfWorkspace string, logLevel terraform.LogLevel) error {
|
|
client, err := d.newTerraformClient(ctx, tfWorkspace)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := client.Destroy(ctx, logLevel); err != nil {
|
|
return err
|
|
}
|
|
return client.CleanUpWorkspace()
|
|
}
|
|
|
|
// IAMCreator creates the IAM configuration on the cloud provider.
|
|
type IAMCreator struct {
|
|
out io.Writer
|
|
newTerraformClient newTFIAMClientFunc
|
|
}
|
|
|
|
// IAMConfigOptions holds the necessary values for IAM configuration.
|
|
type IAMConfigOptions struct {
|
|
GCP GCPIAMConfig
|
|
Azure AzureIAMConfig
|
|
AWS AWSIAMConfig
|
|
TFLogLevel terraform.LogLevel
|
|
TFWorkspace string
|
|
}
|
|
|
|
// GCPIAMConfig holds the necessary values for GCP IAM configuration.
|
|
type GCPIAMConfig struct {
|
|
Region string
|
|
Zone string
|
|
ProjectID string
|
|
ServiceAccountID string
|
|
}
|
|
|
|
// AzureIAMConfig holds the necessary values for Azure IAM configuration.
|
|
type AzureIAMConfig struct {
|
|
Region string
|
|
ServicePrincipal string
|
|
ResourceGroup string
|
|
}
|
|
|
|
// AWSIAMConfig holds the necessary values for AWS IAM configuration.
|
|
type AWSIAMConfig struct {
|
|
Region string
|
|
Prefix string
|
|
}
|
|
|
|
// NewIAMCreator creates a new IAM creator.
|
|
func NewIAMCreator(out io.Writer) *IAMCreator {
|
|
return &IAMCreator{
|
|
out: out,
|
|
newTerraformClient: newTerraformIAMClient,
|
|
}
|
|
}
|
|
|
|
// Create prepares and hands over the corresponding providers IAM creator.
|
|
func (c *IAMCreator) Create(ctx context.Context, provider cloudprovider.Provider, opts *IAMConfigOptions) (IAMOutput, error) {
|
|
cl, err := c.newTerraformClient(ctx, opts.TFWorkspace)
|
|
if err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
defer cl.RemoveInstaller()
|
|
|
|
switch provider {
|
|
case cloudprovider.GCP:
|
|
return c.createGCP(ctx, cl, opts)
|
|
case cloudprovider.Azure:
|
|
return c.createAzure(ctx, cl, opts)
|
|
case cloudprovider.AWS:
|
|
return c.createAWS(ctx, cl, opts)
|
|
default:
|
|
return IAMOutput{}, fmt.Errorf("unsupported cloud provider: %s", provider)
|
|
}
|
|
}
|
|
|
|
// createGCP creates the IAM configuration on GCP.
|
|
func (c *IAMCreator) createGCP(ctx context.Context, cl tfIAMClient, opts *IAMConfigOptions) (iam IAMOutput, retErr error) {
|
|
defer rollbackOnError(c.out, &retErr, &rollbackerTerraform{client: cl}, opts.TFLogLevel)
|
|
|
|
vars := terraform.GCPIAMVariables{
|
|
ServiceAccountID: opts.GCP.ServiceAccountID,
|
|
Project: opts.GCP.ProjectID,
|
|
Region: opts.GCP.Region,
|
|
Zone: opts.GCP.Zone,
|
|
}
|
|
|
|
if err := cl.PrepareWorkspace(path.Join("terraform", "iam", strings.ToLower(cloudprovider.GCP.String())), &vars); err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
iamOutput, err := cl.ApplyIAMConfig(ctx, cloudprovider.GCP, opts.TFLogLevel)
|
|
if err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
return IAMOutput{
|
|
CloudProvider: cloudprovider.GCP,
|
|
GCPOutput: GCPIAMOutput{
|
|
ServiceAccountKey: iamOutput.GCP.SaKey,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// createAzure creates the IAM configuration on Azure.
|
|
func (c *IAMCreator) createAzure(ctx context.Context, cl tfIAMClient, opts *IAMConfigOptions) (iam IAMOutput, retErr error) {
|
|
defer rollbackOnError(c.out, &retErr, &rollbackerTerraform{client: cl}, opts.TFLogLevel)
|
|
|
|
vars := terraform.AzureIAMVariables{
|
|
Region: opts.Azure.Region,
|
|
ResourceGroup: opts.Azure.ResourceGroup,
|
|
ServicePrincipal: opts.Azure.ServicePrincipal,
|
|
}
|
|
|
|
if err := cl.PrepareWorkspace(path.Join("terraform", "iam", strings.ToLower(cloudprovider.Azure.String())), &vars); err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
iamOutput, err := cl.ApplyIAMConfig(ctx, cloudprovider.Azure, opts.TFLogLevel)
|
|
if err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
return IAMOutput{
|
|
CloudProvider: cloudprovider.Azure,
|
|
AzureOutput: AzureIAMOutput{
|
|
SubscriptionID: iamOutput.Azure.SubscriptionID,
|
|
TenantID: iamOutput.Azure.TenantID,
|
|
UAMIID: iamOutput.Azure.UAMIID,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// createAWS creates the IAM configuration on AWS.
|
|
func (c *IAMCreator) createAWS(ctx context.Context, cl tfIAMClient, opts *IAMConfigOptions) (iam IAMOutput, retErr error) {
|
|
defer rollbackOnError(c.out, &retErr, &rollbackerTerraform{client: cl}, opts.TFLogLevel)
|
|
|
|
vars := terraform.AWSIAMVariables{
|
|
Region: opts.AWS.Region,
|
|
Prefix: opts.AWS.Prefix,
|
|
}
|
|
|
|
if err := cl.PrepareWorkspace(path.Join("terraform", "iam", strings.ToLower(cloudprovider.AWS.String())), &vars); err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
iamOutput, err := cl.ApplyIAMConfig(ctx, cloudprovider.AWS, opts.TFLogLevel)
|
|
if err != nil {
|
|
return IAMOutput{}, err
|
|
}
|
|
|
|
return IAMOutput{
|
|
CloudProvider: cloudprovider.AWS,
|
|
AWSOutput: AWSIAMOutput{
|
|
WorkerNodeInstanceProfile: iamOutput.AWS.WorkerNodeInstanceProfile,
|
|
ControlPlaneInstanceProfile: iamOutput.AWS.ControlPlaneInstanceProfile,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// IAMOutput is the output of creating a new IAM profile.
|
|
type IAMOutput struct {
|
|
// CloudProvider is the cloud provider of the cluster.
|
|
CloudProvider cloudprovider.Provider `json:"cloudprovider,omitempty"`
|
|
|
|
GCPOutput GCPIAMOutput `json:"gcpOutput,omitempty"`
|
|
AzureOutput AzureIAMOutput `json:"azureOutput,omitempty"`
|
|
AWSOutput AWSIAMOutput `json:"awsOutput,omitempty"`
|
|
}
|
|
|
|
// GCPIAMOutput contains the output information of a GCP IAM configuration.
|
|
type GCPIAMOutput struct {
|
|
ServiceAccountKey string `json:"serviceAccountID,omitempty"`
|
|
}
|
|
|
|
// AzureIAMOutput contains the output information of a Microsoft Azure IAM configuration.
|
|
type AzureIAMOutput struct {
|
|
SubscriptionID string `json:"subscriptionID,omitempty"`
|
|
TenantID string `json:"tenantID,omitempty"`
|
|
UAMIID string `json:"uamiID,omitempty"`
|
|
}
|
|
|
|
// AWSIAMOutput contains the output information of an AWS IAM configuration.
|
|
type AWSIAMOutput struct {
|
|
ControlPlaneInstanceProfile string `json:"controlPlaneInstanceProfile,omitempty"`
|
|
WorkerNodeInstanceProfile string `json:"workerNodeInstanceProfile,omitempty"`
|
|
}
|
|
|
|
type newTFIAMClientFunc func(ctx context.Context, workspace string) (tfIAMClient, error)
|
|
|
|
func newTerraformIAMClient(ctx context.Context, workspace string) (tfIAMClient, error) {
|
|
return terraform.New(ctx, workspace)
|
|
}
|