92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package storage
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import (
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"context"
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"encoding/json"
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"fmt"
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"sync"
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"time"
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"github.com/hashicorp/boundary-plugin-minio/internal/client"
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)
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const (
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defaultPolicyTemplate = `{
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"Statement": [
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{
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"Action": [
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"s3:GetObject",
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"s3:GetObjectAttributes",
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"s3:PutObject",
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"s3:DeleteObject"
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],
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"Effect": "Allow",
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"Resource": "arn:aws:s3:::%[1]s/*"
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},
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{
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"Action": "s3:ListBucket",
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"Effect": "Allow",
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"Resource": "arn:aws:s3:::%[1]s"
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},
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{
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"Action": [
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"admin:CreateServiceAccount",
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"admin:RemoveServiceAccount"
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],
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"Effect": "Allow"
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}
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],
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"Version": "2012-10-17"
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}`
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)
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type deleteInputCredsFn func() error
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// rotateCredentials uses the incoming service account credentials to generate a
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// new service account. It returns a new StorageSecrets object with the new
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// service account credentials and a callback function to delete the service
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// account provided in the input.
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func rotateCredentials(ctx context.Context, bucketName string, sa *StorageAttributes, inSec *StorageSecrets) (*StorageSecrets, deleteInputCredsFn, error) {
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err := ensureServiceAccount(ctx, sa, inSec)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to ensure minio service account credentials: %w", err)
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}
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ac, err := client.New(sa.EndpointUrl, inSec.AccessKeyId, inSec.SecretAccessKey, client.WithUseSsl(sa.UseSSL))
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if err != nil {
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return nil, nil, fmt.Errorf("failed to create new client: %w", err)
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}
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policy := json.RawMessage(fmt.Sprintf(defaultPolicyTemplate, bucketName))
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newCreds, err := ac.AddServiceAccount(ctx, client.AddServiceAccountReq{
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Name: "Boundary MinIO Service Account",
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Description: fmt.Sprintf("Boundary-managed MinIO service account for storage bucket '%s'", bucketName),
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Policy: policy,
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})
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if err != nil {
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return nil, nil, fmt.Errorf("failed to create new minio service account: %w", err)
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}
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newSec := &StorageSecrets{
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AccessKeyId: newCreds.AccessKeyId,
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SecretAccessKey: newCreds.SecretAccessKey,
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LastRotatedTime: time.Now(),
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}
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inCl := inSec.Clone()
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return newSec, sync.OnceValue(func() error {
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ac, err := client.New(sa.EndpointUrl, inCl.AccessKeyId, inCl.SecretAccessKey, client.WithUseSsl(sa.UseSSL))
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if err != nil {
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return fmt.Errorf("failed to create new client: %w", err)
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}
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err = ac.DeleteServiceAccount(ctx, inCl.AccessKeyId)
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if err != nil {
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return fmt.Errorf("failed to delete minio service account: %w", err)
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}
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return nil
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}), nil
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}
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