github.phpd.cn/cilium/cilium@v1.6.12/daemon/debuginfo.go (about) 1 // Copyright 2017-2018 Authors of Cilium 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package main 16 17 import ( 18 "fmt" 19 "io/ioutil" 20 "os" 21 22 "github.com/cilium/cilium/api/v1/models" 23 restapi "github.com/cilium/cilium/api/v1/server/restapi/daemon" 24 "github.com/cilium/cilium/api/v1/server/restapi/endpoint" 25 "github.com/cilium/cilium/pkg/debug" 26 "github.com/cilium/cilium/pkg/version" 27 28 "github.com/go-openapi/runtime/middleware" 29 "github.com/spf13/viper" 30 ) 31 32 type getDebugInfo struct { 33 daemon *Daemon 34 } 35 36 // NewGetDebugInfoHandler returns the debug info endpoint handler for the agent 37 func NewGetDebugInfoHandler(d *Daemon) restapi.GetDebuginfoHandler { 38 return &getDebugInfo{daemon: d} 39 } 40 41 func (h *getDebugInfo) Handle(params restapi.GetDebuginfoParams) middleware.Responder { 42 dr := models.DebugInfo{} 43 d := h.daemon 44 45 dr.CiliumVersion = version.Version 46 if kver, err := getKernelVersion(); err != nil { 47 dr.KernelVersion = fmt.Sprintf("Error: %s\n", err) 48 } else { 49 dr.KernelVersion = fmt.Sprintf("%s", kver) 50 } 51 52 status := d.getStatus(false) 53 dr.CiliumStatus = &status 54 55 var p endpoint.GetEndpointParams 56 57 dr.EndpointList = getEndpointList(p) 58 dr.Policy = d.policy.GetRulesList() 59 dr.Subsystem = debug.CollectSubsystemStatus() 60 dr.CiliumMemoryMap = memoryMap(os.Getpid()) 61 62 dr.EnvironmentVariables = []string{} 63 for _, k := range viper.AllKeys() { 64 // Assuming we are only getting strings 65 v := fmt.Sprintf("%s:%s", k, viper.GetString(k)) 66 dr.EnvironmentVariables = append(dr.EnvironmentVariables, v) 67 } 68 69 dr.ServiceList = d.GetServiceList() 70 71 return restapi.NewGetDebuginfoOK().WithPayload(&dr) 72 } 73 74 func memoryMap(pid int) string { 75 m, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/maps", pid)) 76 if err != nil { 77 return "" 78 } 79 return string(m) 80 }