open-vault/builtin/logical/cassandra/path_creds_create.go

124 lines
2.9 KiB
Go

package cassandra
import (
"context"
"fmt"
"strings"
"time"
"github.com/gocql/gocql"
uuid "github.com/hashicorp/go-uuid"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/helper/strutil"
"github.com/hashicorp/vault/sdk/logical"
)
func pathCredsCreate(b *backend) *framework.Path {
return &framework.Path{
Pattern: "creds/" + framework.GenericNameRegex("name"),
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the role",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: b.pathCredsCreateRead,
},
HelpSynopsis: pathCredsCreateReadHelpSyn,
HelpDescription: pathCredsCreateReadHelpDesc,
}
}
func (b *backend) pathCredsCreateRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
name := data.Get("name").(string)
// Get the role
role, err := getRole(ctx, req.Storage, name)
if err != nil {
return nil, err
}
if role == nil {
return logical.ErrorResponse(fmt.Sprintf("Unknown role: %s", name)), nil
}
displayName := req.DisplayName
userUUID, err := uuid.GenerateUUID()
if err != nil {
return nil, err
}
username := fmt.Sprintf("vault_%s_%s_%s_%d", name, displayName, userUUID, time.Now().Unix())
username = strings.Replace(username, "-", "_", -1)
password, err := uuid.GenerateUUID()
if err != nil {
return nil, err
}
// Get our connection
session, err := b.DB(ctx, req.Storage)
if err != nil {
return nil, err
}
// Set consistency
if role.Consistency != "" {
consistencyValue, err := gocql.ParseConsistencyWrapper(role.Consistency)
if err != nil {
return nil, err
}
session.SetConsistency(consistencyValue)
}
// Execute each query
for _, query := range strutil.ParseArbitraryStringSlice(role.CreationCQL, ";") {
query = strings.TrimSpace(query)
if len(query) == 0 {
continue
}
err = session.Query(substQuery(query, map[string]string{
"username": username,
"password": password,
})).Exec()
if err != nil {
for _, query := range strutil.ParseArbitraryStringSlice(role.RollbackCQL, ";") {
query = strings.TrimSpace(query)
if len(query) == 0 {
continue
}
session.Query(substQuery(query, map[string]string{
"username": username,
"password": password,
})).Exec()
}
return nil, err
}
}
// Return the secret
resp := b.Secret(SecretCredsType).Response(map[string]interface{}{
"username": username,
"password": password,
}, map[string]interface{}{
"username": username,
"role": name,
})
resp.Secret.TTL = role.Lease
return resp, nil
}
const pathCredsCreateReadHelpSyn = `
Request database credentials for a certain role.
`
const pathCredsCreateReadHelpDesc = `
This path creates database credentials for a certain role. The
database credentials will be generated on demand and will be automatically
revoked when the lease is up.
`