mirror of
https://github.com/gravitational/teleport.git
synced 2026-11-03 16:38:35 +08:00
106 lines
3.3 KiB
Go
106 lines
3.3 KiB
Go
/*
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Copyright 2021 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package services
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import (
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"context"
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"github.com/gravitational/trace"
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"github.com/gravitational/teleport/api/types"
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"github.com/gravitational/teleport/lib/utils"
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)
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// DatabaseGetter defines interface for fetching database resources.
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type DatabaseGetter interface {
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// GetDatabases returns all database resources.
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GetDatabases(context.Context) ([]types.Database, error)
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// GetDatabase returns the specified database resource.
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GetDatabase(ctx context.Context, name string) (types.Database, error)
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}
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// Databases defines an interface for managing database resources.
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type Databases interface {
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// DatabaseGetter provides methods for fetching database resources.
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DatabaseGetter
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// CreateDatabase creates a new database resource.
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CreateDatabase(context.Context, types.Database) error
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// UpdateDatabse updates an existing database resource.
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UpdateDatabase(context.Context, types.Database) error
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// DeleteDatabase removes the specified database resource.
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DeleteDatabase(ctx context.Context, name string) error
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// DeleteAllDatabases removes all database resources.
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DeleteAllDatabases(context.Context) error
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}
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// MarshalDatabase marshals the database resource to JSON.
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func MarshalDatabase(database types.Database, opts ...MarshalOption) ([]byte, error) {
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if err := database.CheckAndSetDefaults(); err != nil {
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return nil, trace.Wrap(err)
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}
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cfg, err := CollectOptions(opts)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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switch database := database.(type) {
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case *types.DatabaseV3:
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if !cfg.PreserveResourceID {
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// avoid modifying the original object
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// to prevent unexpected data races
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copy := *database
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copy.SetResourceID(0)
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database = ©
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}
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return utils.FastMarshal(database)
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default:
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return nil, trace.BadParameter("unsupported database resource %T", database)
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}
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}
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// UnmarshalDatabase unmarshals the database resource from JSON.
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func UnmarshalDatabase(data []byte, opts ...MarshalOption) (types.Database, error) {
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if len(data) == 0 {
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return nil, trace.BadParameter("missing database resource data")
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}
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cfg, err := CollectOptions(opts)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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var h types.ResourceHeader
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if err := utils.FastUnmarshal(data, &h); err != nil {
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return nil, trace.Wrap(err)
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}
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switch h.Version {
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case types.V3:
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var database types.DatabaseV3
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if err := utils.FastUnmarshal(data, &database); err != nil {
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return nil, trace.BadParameter(err.Error())
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}
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if err := database.CheckAndSetDefaults(); err != nil {
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return nil, trace.Wrap(err)
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}
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if cfg.ID != 0 {
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database.SetResourceID(cfg.ID)
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}
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if !cfg.Expires.IsZero() {
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database.SetExpiry(cfg.Expires)
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}
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return &database, nil
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}
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return nil, trace.BadParameter("unsupported database resource version %q", h.Version)
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}
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