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| 1 | +// Teleport |
| 2 | +// Copyright (C) 2025 Gravitational, Inc. |
| 3 | +// |
| 4 | +// This program is free software: you can redistribute it and/or modify |
| 5 | +// it under the terms of the GNU Affero General Public License as published by |
| 6 | +// the Free Software Foundation, either version 3 of the License, or |
| 7 | +// (at your option) any later version. |
| 8 | +// |
| 9 | +// This program is distributed in the hope that it will be useful, |
| 10 | +// but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | +// GNU Affero General Public License for more details. |
| 13 | +// |
| 14 | +// You should have received a copy of the GNU Affero General Public License |
| 15 | +// along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | + |
| 17 | +package cache |
| 18 | + |
| 19 | +import ( |
| 20 | + "context" |
| 21 | + |
| 22 | + "github.com/gravitational/trace" |
| 23 | + |
| 24 | + headerv1 "github.com/gravitational/teleport/api/gen/proto/go/teleport/header/v1" |
| 25 | + userprovisioningv2 "github.com/gravitational/teleport/api/gen/proto/go/teleport/userprovisioning/v2" |
| 26 | + "github.com/gravitational/teleport/api/types" |
| 27 | + "github.com/gravitational/teleport/api/utils" |
| 28 | + "github.com/gravitational/teleport/lib/services" |
| 29 | +) |
| 30 | + |
| 31 | +type staticHostUserIndex string |
| 32 | + |
| 33 | +const staticHostUserNameIndex staticHostUserIndex = "name" |
| 34 | + |
| 35 | +func newStaticHostUserCollection(upstream services.StaticHostUser, w types.WatchKind) (*collection[*userprovisioningv2.StaticHostUser, staticHostUserIndex], error) { |
| 36 | + if upstream == nil { |
| 37 | + return nil, trace.BadParameter("missing parameter StaticHostUser") |
| 38 | + } |
| 39 | + |
| 40 | + return &collection[*userprovisioningv2.StaticHostUser, staticHostUserIndex]{ |
| 41 | + store: newStore(map[staticHostUserIndex]func(*userprovisioningv2.StaticHostUser) string{ |
| 42 | + staticHostUserNameIndex: func(shu *userprovisioningv2.StaticHostUser) string { |
| 43 | + return shu.GetMetadata().GetName() |
| 44 | + }, |
| 45 | + }), |
| 46 | + fetcher: func(ctx context.Context, loadSecrets bool) ([]*userprovisioningv2.StaticHostUser, error) { |
| 47 | + var startKey string |
| 48 | + var allUsers []*userprovisioningv2.StaticHostUser |
| 49 | + |
| 50 | + for { |
| 51 | + users, nextKey, err := upstream.ListStaticHostUsers(ctx, 0, startKey) |
| 52 | + if err != nil { |
| 53 | + return nil, trace.Wrap(err) |
| 54 | + } |
| 55 | + |
| 56 | + allUsers = append(allUsers, users...) |
| 57 | + |
| 58 | + if nextKey == "" { |
| 59 | + break |
| 60 | + } |
| 61 | + startKey = nextKey |
| 62 | + } |
| 63 | + return allUsers, nil |
| 64 | + }, |
| 65 | + headerTransform: func(hdr *types.ResourceHeader) *userprovisioningv2.StaticHostUser { |
| 66 | + return &userprovisioningv2.StaticHostUser{ |
| 67 | + Kind: hdr.Kind, |
| 68 | + Version: hdr.Version, |
| 69 | + Metadata: &headerv1.Metadata{ |
| 70 | + Name: hdr.Metadata.Name, |
| 71 | + }, |
| 72 | + } |
| 73 | + }, |
| 74 | + watch: w, |
| 75 | + }, nil |
| 76 | +} |
| 77 | + |
| 78 | +// ListStaticHostUsers lists static host users. |
| 79 | +func (c *Cache) ListStaticHostUsers(ctx context.Context, pageSize int, pageToken string) ([]*userprovisioningv2.StaticHostUser, string, error) { |
| 80 | + ctx, span := c.Tracer.Start(ctx, "cache/ListStaticHostUsers") |
| 81 | + defer span.End() |
| 82 | + |
| 83 | + lister := genericLister[*userprovisioningv2.StaticHostUser, staticHostUserIndex]{ |
| 84 | + cache: c, |
| 85 | + collection: c.collections.staticHostUsers, |
| 86 | + index: staticHostUserNameIndex, |
| 87 | + upstreamList: c.Config.StaticHostUsers.ListStaticHostUsers, |
| 88 | + nextToken: func(t *userprovisioningv2.StaticHostUser) string { |
| 89 | + return t.GetMetadata().GetName() |
| 90 | + }, |
| 91 | + clone: utils.CloneProtoMsg[*userprovisioningv2.StaticHostUser], |
| 92 | + } |
| 93 | + out, next, err := lister.list(ctx, pageSize, pageToken) |
| 94 | + return out, next, trace.Wrap(err) |
| 95 | +} |
| 96 | + |
| 97 | +// GetStaticHostUser returns a static host user by name. |
| 98 | +func (c *Cache) GetStaticHostUser(ctx context.Context, name string) (*userprovisioningv2.StaticHostUser, error) { |
| 99 | + ctx, span := c.Tracer.Start(ctx, "cache/GetStaticHostUser") |
| 100 | + defer span.End() |
| 101 | + |
| 102 | + getter := genericGetter[*userprovisioningv2.StaticHostUser, staticHostUserIndex]{ |
| 103 | + cache: c, |
| 104 | + collection: c.collections.staticHostUsers, |
| 105 | + index: staticHostUserNameIndex, |
| 106 | + upstreamGet: c.Config.StaticHostUsers.GetStaticHostUser, |
| 107 | + clone: utils.CloneProtoMsg[*userprovisioningv2.StaticHostUser], |
| 108 | + } |
| 109 | + out, err := getter.get(ctx, name) |
| 110 | + return out, trace.Wrap(err) |
| 111 | +} |
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