mirror of
https://github.com/gravitational/teleport.git
synced 2026-10-31 20:39:37 +08:00
Michael Wilson
26268b31fc
The `RegisterWithAuthServer` and `SetExpectedInstanceRole` functions have been made public for use by the Teleport Enterprise server. Additionally, a new config option to more "Ready" events before the Teleport instance is considered Ready has been added so that enterprise features can add to this list.
97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
/*
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Copyright 2022 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 service
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import (
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"github.com/gravitational/trace"
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"github.com/gravitational/teleport"
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"github.com/gravitational/teleport/api/types"
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"github.com/gravitational/teleport/lib/cloud"
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"github.com/gravitational/teleport/lib/srv/discovery"
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)
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func (process *TeleportProcess) shouldInitDiscovery() bool {
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return process.Config.Discovery.Enabled && !process.Config.Discovery.IsEmpty()
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}
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func (process *TeleportProcess) initDiscovery() {
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process.RegisterWithAuthServer(types.RoleDiscovery, DiscoveryIdentityEvent)
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process.RegisterCriticalFunc("discovery.init", process.initDiscoveryService)
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}
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func (process *TeleportProcess) initDiscoveryService() error {
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log := process.log.WithField(trace.Component, teleport.Component(
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teleport.ComponentDiscovery, process.id))
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conn, err := process.WaitForConnector(DiscoveryIdentityEvent, log)
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if conn == nil {
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return trace.Wrap(err)
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}
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accessPoint, err := process.newLocalCacheForDiscovery(conn.Client,
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[]string{teleport.ComponentDiscovery})
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if err != nil {
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return trace.Wrap(err)
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}
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// asyncEmitter makes sure that sessions do not block
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// in case if connections are slow
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asyncEmitter, err := process.newAsyncEmitter(conn.Client)
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if err != nil {
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return trace.Wrap(err)
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}
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discoveryService, err := discovery.New(process.ExitContext(), &discovery.Config{
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Clients: cloud.NewClients(),
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AWSMatchers: process.Config.Discovery.AWSMatchers,
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AzureMatchers: process.Config.Discovery.AzureMatchers,
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GCPMatchers: process.Config.Discovery.GCPMatchers,
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Emitter: asyncEmitter,
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AccessPoint: accessPoint,
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Log: process.log,
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})
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if err != nil {
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return trace.Wrap(err)
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}
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process.OnExit("discovery.stop", func(payload interface{}) {
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log.Info("Shutting down.")
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if discoveryService != nil {
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discoveryService.Stop()
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}
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if asyncEmitter != nil {
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warnOnErr(asyncEmitter.Close(), process.log)
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}
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warnOnErr(conn.Close(), log)
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log.Info("Exited.")
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})
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process.BroadcastEvent(Event{Name: DiscoveryReady, Payload: nil})
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if err := discoveryService.Start(); err != nil {
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return trace.Wrap(err)
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}
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log.Infof("Discovery service has successfully started")
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if err := discoveryService.Wait(); err != nil {
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return trace.Wrap(err)
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}
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return nil
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}
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