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[querier] add external apm trace adapter
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124 changes: 124 additions & 0 deletions
124
server/querier/app/tracing-adapter/common/httpclient.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Copyright (c) 2023 Yunshan Networks | ||
| * | ||
| * 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 common | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/tls" | ||
| "crypto/x509" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/deepflowio/deepflow/server/querier/app/tracing-adapter/config" | ||
| "github.com/goccy/go-json" | ||
| "github.com/op/go-logging" | ||
| ) | ||
|
|
||
| var log = logging.MustGetLogger("tracing-adapter.common") | ||
|
|
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| func DefaultContentTypeHeader() map[string]string { | ||
| return map[string]string{ | ||
| "Content-Type": "application/json", | ||
| } | ||
| } | ||
|
|
||
| func Serialize[T any](obj T) ([]byte, error) { | ||
| result, err := json.Marshal(obj) | ||
| return result, err | ||
| } | ||
|
|
||
| func Deserialize[T any](data []byte) (*T, error) { | ||
| var result T | ||
| err := json.Unmarshal(data, &result) | ||
| return &result, err | ||
| } | ||
|
|
||
| func prepareRequest(timeout time.Duration, tlsConfig *config.TLSConfig) (*http.Client, error) { | ||
| client := &http.Client{} | ||
| http.DefaultClient.Timeout = timeout | ||
| if tlsConfig != nil { | ||
| tlsClientConfig := &tls.Config{} | ||
| if tlsConfig.Insecure { | ||
| tlsClientConfig.InsecureSkipVerify = true | ||
| } else { | ||
| clientTLSCert, err := tls.LoadX509KeyPair(tlsConfig.CertFile, tlsConfig.KeyFile) | ||
| if err != nil { | ||
| log.Errorf("load cert file fot tls verification false! err: %s", err) | ||
| return nil, err | ||
| } | ||
| certPool, err := x509.SystemCertPool() | ||
| if err != nil { | ||
| log.Errorf("create cert pool false! err: %s", err) | ||
| return nil, err | ||
| } | ||
| caCertPEM, err := os.ReadFile(tlsConfig.CAFile) | ||
| if err != nil { | ||
| log.Errorf("read ca file false! err: %s", err) | ||
| return nil, err | ||
| } | ||
|
|
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| if ok := certPool.AppendCertsFromPEM(caCertPEM); !ok { | ||
| log.Errorf("invalid cert for CA PEM! err: %s", err) | ||
| return nil, err | ||
| } | ||
| tlsClientConfig.RootCAs = certPool | ||
| tlsClientConfig.Certificates = []tls.Certificate{clientTLSCert} | ||
| } | ||
|
|
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| http.DefaultClient.Transport = &http.Transport{TLSClientConfig: tlsClientConfig} | ||
| } | ||
| return client, nil | ||
| } | ||
|
|
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| func DoRequest(method string, addr string, body []byte, headers map[string]string, timeout time.Duration, tlsConfig *config.TLSConfig) ([]byte, error) { | ||
| client, err := prepareRequest(timeout, tlsConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| req, err := http.NewRequest(method, addr, bytes.NewReader(body)) | ||
| if err != nil { | ||
| log.Error(err) | ||
| return nil, err | ||
| } | ||
| for k, v := range headers { | ||
| req.Header.Set(k, v) | ||
| } | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| log.Errorf("http client do request at %s, error: %s", addr, err) | ||
| return nil, err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| errMsg := fmt.Sprintf("http client request: %s failed, response detail: %+v", addr, resp) | ||
| log.Error(errMsg) | ||
| return nil, errors.New(errMsg) | ||
| } | ||
|
|
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| respBytes, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| log.Errorf("read (%s) body failed, (%v)", addr, err) | ||
| return nil, err | ||
| } | ||
|
|
||
| return respBytes, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * Copyright (c) 2023 Yunshan Networks | ||
| * | ||
| * 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 config | ||
|
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| import "time" | ||
|
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| type ExternalAPM struct { | ||
| Name string `yaml:"name"` | ||
| Addr string `yaml:"addr"` // e.g.: http://host:port | ||
| Timeout time.Duration `default:"60s" yaml:"timeout"` | ||
| TLS *TLSConfig `yaml:"tls_config"` | ||
| ExtraConfig map[string]string `yaml:"extra_config"` | ||
| } | ||
|
|
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| type TLSConfig struct { | ||
| CAFile string `yaml:"ca-file"` | ||
| CertFile string `yaml:"cert-file"` | ||
| KeyFile string `yaml:"key-file"` | ||
| Insecure bool `yaml:"insecure"` | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* | ||
| * Copyright (c) 2023 Yunshan Networks | ||
| * | ||
| * 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 tracing_adapter | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "sync" | ||
|
|
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| adapter_config "github.com/deepflowio/deepflow/server/querier/app/tracing-adapter/config" | ||
| "github.com/deepflowio/deepflow/server/querier/app/tracing-adapter/model" | ||
| "github.com/deepflowio/deepflow/server/querier/app/tracing-adapter/service" | ||
| "github.com/deepflowio/deepflow/server/querier/common" | ||
| "github.com/deepflowio/deepflow/server/querier/config" | ||
| "github.com/gin-gonic/gin" | ||
| "github.com/op/go-logging" | ||
| ) | ||
|
|
||
| var ( | ||
| log = logging.MustGetLogger("tracing-adapter") | ||
| pipeline []adapterPipeline | ||
| once sync.Once | ||
| ) | ||
|
|
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| type adapterPipeline struct { | ||
| config adapter_config.ExternalAPM | ||
| adpater service.TraceAdapter | ||
| } | ||
|
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| func ensureAdapterConfig() { | ||
| if config.Cfg == nil || len(config.Cfg.ExternalAPM) == 0 { | ||
| return | ||
| } | ||
| once.Do(func() { | ||
| if len(pipeline) == 0 { | ||
| pipeline = make([]adapterPipeline, 0, len(config.Cfg.ExternalAPM)) | ||
| } | ||
| // build external trace pipelines | ||
| for _, apm := range config.Cfg.ExternalAPM { | ||
| if service.Adapters[apm.Name] == nil { | ||
| continue | ||
| } | ||
| // allow multiple hosts configs | ||
| log.Debugf("load adapter configs, name: %s, addr: %s", apm.Name, apm.Addr) | ||
| pipeline = append(pipeline, adapterPipeline{apm, service.Adapters[apm.Name]}) | ||
| } | ||
| }) | ||
| } | ||
|
|
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| func GetAdaptTrace(traceID string) (*model.ExTrace, error) { | ||
| ensureAdapterConfig() | ||
| result := &model.ExTrace{Spans: make([]model.ExSpan, 0)} | ||
| if pipeline == nil { | ||
| return result, nil | ||
| } | ||
| for _, v := range pipeline { | ||
| if v.adpater == nil { | ||
| continue | ||
| } | ||
| r, err := v.adpater.GetTrace(traceID, &v.config) | ||
| if err != nil { | ||
| log.Errorf("load %s data with traceid %s gets error: %s", v.config.Name, traceID, err) | ||
| continue | ||
| } | ||
| if r != nil && len(r.Spans) > 0 { | ||
| log.Debugf("load %s data with traceid %s get %d spans", v.config.Name, traceID, len(r.Spans)) | ||
| result.Spans = append(result.Spans, r.Spans...) | ||
| } | ||
| } | ||
| return result, nil | ||
| } | ||
|
|
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| func TraceHandler() gin.HandlerFunc { | ||
| return gin.HandlerFunc(func(ctx *gin.Context) { | ||
| traceID := ctx.Query("traceid") | ||
| result, err := GetAdaptTrace(traceID) | ||
| if err != nil { | ||
| ctx.JSON(http.StatusInternalServerError, model.ExTraceResponse{Error: err.Error(), Status: common.FAIL, Data: nil}) | ||
| return | ||
| } | ||
| ctx.JSON(http.StatusOK, model.ExTraceResponse{Status: common.SUCCESS, Data: result}) | ||
| }) | ||
| } |
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