open-vault/builtin/logical/nomad/path_config_access.go
2019-04-12 17:54:35 -04:00

130 lines
3.2 KiB
Go

package nomad
import (
"context"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/vault/sdk/logical"
"github.com/hashicorp/vault/sdk/framework"
)
const configAccessKey = "config/access"
func pathConfigAccess(b *backend) *framework.Path {
return &framework.Path{
Pattern: "config/access",
Fields: map[string]*framework.FieldSchema{
"address": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Nomad server address",
},
"token": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Token for API calls",
},
"max_token_name_length": &framework.FieldSchema{
Type: framework.TypeInt,
Description: "Max length for name of generated Nomad tokens",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: b.pathConfigAccessRead,
logical.CreateOperation: b.pathConfigAccessWrite,
logical.UpdateOperation: b.pathConfigAccessWrite,
logical.DeleteOperation: b.pathConfigAccessDelete,
},
ExistenceCheck: b.configExistenceCheck,
}
}
func (b *backend) configExistenceCheck(ctx context.Context, req *logical.Request, data *framework.FieldData) (bool, error) {
entry, err := b.readConfigAccess(ctx, req.Storage)
if err != nil {
return false, err
}
return entry != nil, nil
}
func (b *backend) readConfigAccess(ctx context.Context, storage logical.Storage) (*accessConfig, error) {
entry, err := storage.Get(ctx, configAccessKey)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
conf := &accessConfig{}
if err := entry.DecodeJSON(conf); err != nil {
return nil, errwrap.Wrapf("error reading nomad access configuration: {{err}}", err)
}
return conf, nil
}
func (b *backend) pathConfigAccessRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
conf, err := b.readConfigAccess(ctx, req.Storage)
if err != nil {
return nil, err
}
if conf == nil {
return nil, nil
}
return &logical.Response{
Data: map[string]interface{}{
"address": conf.Address,
"max_token_name_length": conf.MaxTokenNameLength,
},
}, nil
}
func (b *backend) pathConfigAccessWrite(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
conf, err := b.readConfigAccess(ctx, req.Storage)
if err != nil {
return nil, err
}
if conf == nil {
conf = &accessConfig{}
}
address, ok := data.GetOk("address")
if ok {
conf.Address = address.(string)
}
token, ok := data.GetOk("token")
if ok {
conf.Token = token.(string)
}
conf.MaxTokenNameLength = data.Get("max_token_name_length").(int)
entry, err := logical.StorageEntryJSON("config/access", conf)
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
return nil, nil
}
func (b *backend) pathConfigAccessDelete(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
if err := req.Storage.Delete(ctx, configAccessKey); err != nil {
return nil, err
}
return nil, nil
}
type accessConfig struct {
Address string `json:"address"`
Token string `json:"token"`
MaxTokenNameLength int `json:"max_token_name_length"`
}