mirror of
https://github.com/gravitational/teleport.git
synced 2026-10-29 17:58:15 +08:00
rosstimothy
2cced62805
Depends on https://github.com/gravitational/teleport.e/pull/6006. Now that we are compliant, the ignore rule was removed from the golangci-lint config to prevent future regressions.
113 lines
3.5 KiB
Go
113 lines
3.5 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package services
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import (
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"time"
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"github.com/gravitational/trace"
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"github.com/jonboulle/clockwork"
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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/utils"
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)
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// LatestTunnelConnection returns latest tunnel connection from the list
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// of tunnel connections, if no connections found, returns NotFound error
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func LatestTunnelConnection(conns []types.TunnelConnection) (types.TunnelConnection, error) {
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var lastConn types.TunnelConnection
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for i := range conns {
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conn := conns[i]
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if lastConn == nil || conn.GetLastHeartbeat().After(lastConn.GetLastHeartbeat()) {
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lastConn = conn
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}
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}
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if lastConn == nil {
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return nil, trace.NotFound("no connections found")
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}
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return lastConn, nil
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}
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// TunnelConnectionStatus returns tunnel connection status based on the last
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// heartbeat time recorded for a connection
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func TunnelConnectionStatus(clock clockwork.Clock, conn types.TunnelConnection, offlineThreshold time.Duration) string {
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diff := clock.Now().Sub(conn.GetLastHeartbeat())
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if diff < offlineThreshold {
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return teleport.RemoteClusterStatusOnline
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}
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return teleport.RemoteClusterStatusOffline
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}
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// UnmarshalTunnelConnection unmarshals TunnelConnection resource from JSON or YAML,
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// sets defaults and checks the schema
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func UnmarshalTunnelConnection(data []byte, opts ...MarshalOption) (types.TunnelConnection, error) {
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if len(data) == 0 {
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return nil, trace.BadParameter("missing tunnel connection 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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err = utils.FastUnmarshal(data, &h)
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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 h.Version {
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case types.V2:
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var r types.TunnelConnectionV2
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if err := utils.FastUnmarshal(data, &r); err != nil {
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return nil, trace.BadParameter("%s", err)
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}
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if err := r.CheckAndSetDefaults(); err != nil {
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return nil, trace.Wrap(err)
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}
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if cfg.Revision != "" {
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r.SetRevision(cfg.Revision)
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}
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if !cfg.Expires.IsZero() {
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r.SetExpiry(cfg.Expires)
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}
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return &r, nil
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}
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return nil, trace.BadParameter("reverse tunnel version %v is not supported", h.Version)
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}
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// MarshalTunnelConnection marshals the TunnelConnection resource to JSON.
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func MarshalTunnelConnection(tunnelConnection types.TunnelConnection, opts ...MarshalOption) ([]byte, error) {
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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 tunnelConnection := tunnelConnection.(type) {
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case *types.TunnelConnectionV2:
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if err := tunnelConnection.CheckAndSetDefaults(); err != nil {
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return nil, trace.Wrap(err)
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}
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return utils.FastMarshal(maybeResetProtoRevision(cfg.PreserveRevision, tunnelConnection))
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default:
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return nil, trace.BadParameter("unrecognized tunnel connection version %T", tunnelConnection)
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}
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}
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