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daemon: move hubble specific code to a dedicated file
This commit brings no functional changes. Signed-off-by: Robin Hahling <robin.hahling@gw-computing.net>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| // Copyright 2020 Authors of Cilium | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "strings" | ||
|
|
||
| "github.com/cilium/cilium/pkg/api" | ||
| "github.com/cilium/cilium/pkg/hubble" | ||
| "github.com/cilium/cilium/pkg/ipcache" | ||
| "github.com/cilium/cilium/pkg/logging" | ||
| "github.com/cilium/cilium/pkg/logging/logfields" | ||
| "github.com/cilium/cilium/pkg/option" | ||
|
|
||
| hubbleServe "github.com/cilium/hubble/cmd/serve" | ||
| hubbleMetrics "github.com/cilium/hubble/pkg/metrics" | ||
| "github.com/cilium/hubble/pkg/parser" | ||
| hubbleServer "github.com/cilium/hubble/pkg/server" | ||
| "github.com/cilium/hubble/pkg/server/serveroption" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func (d *Daemon) launchHubble() { | ||
| logger := logging.DefaultLogger.WithField(logfields.LogSubsys, "hubble") | ||
| if !option.Config.EnableHubble { | ||
| logger.Info("Hubble server is disabled") | ||
| return | ||
| } | ||
| addresses := append(option.Config.HubbleListenAddresses, "unix://"+option.Config.HubbleSocketPath) | ||
| for _, address := range addresses { | ||
| // TODO: remove warning once mutual TLS has been implemented | ||
| if !strings.HasPrefix(address, "unix://") { | ||
| logger.WithField("address", address).Warn("Hubble server will be exposing its API insecurely on this address") | ||
| } | ||
| } | ||
| payloadParser, err := parser.New(d, d, d, ipcache.IPIdentityCache, d) | ||
| if err != nil { | ||
| logger.WithError(err).Error("Failed to initialize Hubble") | ||
| return | ||
| } | ||
| s, err := hubbleServer.NewLocalServer(payloadParser, logger, | ||
| serveroption.WithMaxFlows(option.Config.HubbleFlowBufferSize), | ||
| serveroption.WithMonitorBuffer(option.Config.HubbleEventQueueSize)) | ||
| if err != nil { | ||
| logger.WithError(err).Error("Failed to initialize Hubble") | ||
| return | ||
| } | ||
| go s.Start() | ||
| d.monitorAgent.GetMonitor().RegisterNewListener(d.ctx, hubble.NewHubbleListener(s)) | ||
|
|
||
| listeners, err := hubbleServe.SetupListeners(addresses, api.CiliumGroupName) | ||
| if err != nil { | ||
| logger.WithError(err).Error("Failed to initialize Hubble") | ||
| return | ||
| } | ||
|
|
||
| logger.WithField("addresses", addresses).Info("Starting Hubble server") | ||
| if err := hubbleServe.Serve(d.ctx, logger, listeners, s); err != nil { | ||
| logger.WithError(err).Error("Failed to start Hubble server") | ||
| return | ||
| } | ||
| if option.Config.HubbleMetricsServer != "" { | ||
| logger.WithFields(logrus.Fields{ | ||
| "address": option.Config.HubbleMetricsServer, | ||
| "metrics": option.Config.HubbleMetrics, | ||
| }).Info("Starting Hubble Metrics server") | ||
| if err := hubbleMetrics.EnableMetrics(log, option.Config.HubbleMetricsServer, option.Config.HubbleMetrics); err != nil { | ||
| logger.WithError(err).Warn("Failed to initialize Hubble metrics server") | ||
| return | ||
| } | ||
| } | ||
| } |