open-vault/builtin/logical/aws/path_config_root.go

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package aws
import (
"context"
"github.com/aws/aws-sdk-go/aws"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/logical"
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)
func pathConfigRoot(b *backend) *framework.Path {
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return &framework.Path{
Pattern: "config/root",
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Fields: map[string]*framework.FieldSchema{
"access_key": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Access key with permission to create new keys.",
},
"secret_key": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Secret key with permission to create new keys.",
},
"region": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Region for API calls.",
},
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"iam_endpoint": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Endpoint to custom IAM server URL",
},
"sts_endpoint": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Endpoint to custom STS server URL",
},
"max_retries": &framework.FieldSchema{
Type: framework.TypeInt,
Default: aws.UseServiceDefaultRetries,
Description: "Maximum number of retries for recoverable exceptions of AWS APIs",
},
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},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: b.pathConfigRootRead,
logical.UpdateOperation: b.pathConfigRootWrite,
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},
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HelpSynopsis: pathConfigRootHelpSyn,
HelpDescription: pathConfigRootHelpDesc,
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}
}
func (b *backend) pathConfigRootRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
b.clientMutex.RLock()
defer b.clientMutex.RUnlock()
entry, err := req.Storage.Get(ctx, "config/root")
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var config rootConfig
if err := entry.DecodeJSON(&config); err != nil {
return nil, err
}
configData := map[string]interface{}{
"access_key": config.AccessKey,
"region": config.Region,
"iam_endpoint": config.IAMEndpoint,
"sts_endpoint": config.STSEndpoint,
"max_retries": config.MaxRetries,
}
return &logical.Response{
Data: configData,
}, nil
}
func (b *backend) pathConfigRootWrite(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
region := data.Get("region").(string)
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iamendpoint := data.Get("iam_endpoint").(string)
stsendpoint := data.Get("sts_endpoint").(string)
maxretries := data.Get("max_retries").(int)
b.clientMutex.Lock()
defer b.clientMutex.Unlock()
entry, err := logical.StorageEntryJSON("config/root", rootConfig{
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AccessKey: data.Get("access_key").(string),
SecretKey: data.Get("secret_key").(string),
IAMEndpoint: iamendpoint,
STSEndpoint: stsendpoint,
Region: region,
MaxRetries: maxretries,
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})
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
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return nil, err
}
// clear possible cached IAM / STS clients after successfully updating
// config/root
b.iamClient = nil
b.stsClient = nil
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return nil, nil
}
type rootConfig struct {
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AccessKey string `json:"access_key"`
SecretKey string `json:"secret_key"`
IAMEndpoint string `json:"iam_endpoint"`
STSEndpoint string `json:"sts_endpoint"`
Region string `json:"region"`
MaxRetries int `json:"max_retries"`
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}
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const pathConfigRootHelpSyn = `
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Configure the root credentials that are used to manage IAM.
`
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const pathConfigRootHelpDesc = `
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Before doing anything, the AWS backend needs credentials that are able
to manage IAM policies, users, access keys, etc. This endpoint is used
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to configure those credentials. They don't necessarily need to be root
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keys as long as they have permission to manage IAM.
`