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path_config.go
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/
path_config.go
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package consul
import (
"fmt"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
func pathConfigAccess() *framework.Path {
return &framework.Path{
Pattern: "config/access",
Fields: map[string]*framework.FieldSchema{
"address": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Consul server address",
},
"scheme": &framework.FieldSchema{
Type: framework.TypeString,
Description: "URI scheme for the Consul address",
// https would be a better default but Consul on its own
// defaults to HTTP access, and when HTTPS is enabled it
// disables HTTP, so there isn't really any harm done here.
Default: "http",
},
"token": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Token for API calls",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: pathConfigAccessRead,
logical.UpdateOperation: pathConfigAccessWrite,
},
}
}
func readConfigAccess(storage logical.Storage) (*accessConfig, error, error) {
entry, err := storage.Get("config/access")
if err != nil {
return nil, nil, err
}
if entry == nil {
return nil, fmt.Errorf(
"Access credentials for the backend itself haven't been configured. Please configure them at the '/config/access' endpoint"),
nil
}
conf := &accessConfig{}
if err := entry.DecodeJSON(conf); err != nil {
return nil, nil, fmt.Errorf("error reading consul access configuration: %s", err)
}
return conf, nil, nil
}
func pathConfigAccessRead(
req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
conf, userErr, intErr := readConfigAccess(req.Storage)
if intErr != nil {
return nil, intErr
}
if userErr != nil {
return logical.ErrorResponse(userErr.Error()), nil
}
if conf == nil {
return nil, fmt.Errorf("no user error reported but consul access configuration not found")
}
return &logical.Response{
Data: map[string]interface{}{
"address": conf.Address,
"scheme": conf.Scheme,
},
}, nil
}
func pathConfigAccessWrite(
req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
entry, err := logical.StorageEntryJSON("config/access", accessConfig{
Address: data.Get("address").(string),
Scheme: data.Get("scheme").(string),
Token: data.Get("token").(string),
})
if err != nil {
return nil, err
}
if err := req.Storage.Put(entry); err != nil {
return nil, err
}
return nil, nil
}
type accessConfig struct {
Address string `json:"address"`
Scheme string `json:"scheme"`
Token string `json:"token"`
}