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