|
| 1 | +//go:build tools |
| 2 | +// +build tools |
| 3 | + |
| 4 | +/* |
| 5 | +Copyright 2022 The Kubernetes Authors. |
| 6 | +
|
| 7 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | +you may not use this file except in compliance with the License. |
| 9 | +You may obtain a copy of the License at |
| 10 | +
|
| 11 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | +
|
| 13 | +Unless required by applicable law or agreed to in writing, software |
| 14 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | +See the License for the specific language governing permissions and |
| 17 | +limitations under the License. |
| 18 | +*/ |
| 19 | + |
| 20 | +package main |
| 21 | + |
| 22 | +import ( |
| 23 | + "bytes" |
| 24 | + "context" |
| 25 | + "encoding/json" |
| 26 | + "flag" |
| 27 | + "fmt" |
| 28 | + "io/ioutil" |
| 29 | + "net/http" |
| 30 | + "os" |
| 31 | + "strconv" |
| 32 | + "strings" |
| 33 | + "time" |
| 34 | + |
| 35 | + "cloud.google.com/go/storage" |
| 36 | + "github.com/valyala/fastjson" |
| 37 | + "google.golang.org/api/iterator" |
| 38 | + "google.golang.org/api/option" |
| 39 | + "k8s.io/klog/v2" |
| 40 | +) |
| 41 | + |
| 42 | +var ( |
| 43 | + // FIXME |
| 44 | + bucket = flag.String("bucket", "kubernetes-jenkins", "Bucket to download the logs from.") |
| 45 | + controllerFolder = flag.String("controller-folder", "pr-logs/pull/kubernetes-sigs_cluster-api/6150/pull-cluster-api-e2e-main/1496099075710259200/artifacts/clusters/bootstrap/controllers", "Folder to get the controller-logs from.") |
| 46 | + lokiURL = flag.String("loki-url", "http://localhost:3100/loki/api/v1/push", "URL to push the logs to.") |
| 47 | +) |
| 48 | + |
| 49 | +func main() { |
| 50 | + flag.Parse() |
| 51 | + |
| 52 | + if err := run(); err != nil { |
| 53 | + fmt.Printf("Error occured: %v\n", err) |
| 54 | + os.Exit(1) |
| 55 | + } |
| 56 | +} |
| 57 | + |
| 58 | +type logData struct { |
| 59 | + logFile string |
| 60 | + logMetadata string |
| 61 | +} |
| 62 | + |
| 63 | +func run() error { |
| 64 | + ctx := context.Background() |
| 65 | + client, err := storage.NewClient(ctx, option.WithoutAuthentication()) |
| 66 | + if err != nil { |
| 67 | + return fmt.Errorf("storage.NewClient: %v", err) |
| 68 | + } |
| 69 | + defer client.Close() |
| 70 | + |
| 71 | + logs, err := getLogData(ctx, client, *bucket, *controllerFolder) |
| 72 | + |
| 73 | + for _, ld := range logs { |
| 74 | + logFile, err := downloadFile(ctx, client, *bucket, ld.logFile) |
| 75 | + if err != nil { |
| 76 | + return err |
| 77 | + } |
| 78 | + logMetadata, err := downloadFile(ctx, client, *bucket, ld.logMetadata) |
| 79 | + if err != nil { |
| 80 | + return err |
| 81 | + } |
| 82 | + |
| 83 | + metadata := map[string]string{} |
| 84 | + if err := json.Unmarshal(logMetadata, &metadata); err != nil { |
| 85 | + return err |
| 86 | + } |
| 87 | + |
| 88 | + klog.Infof("Uploading logs from: %s", ld.logFile) |
| 89 | + // FIXME: batch log lines. Just pushing individual lines for now for debugging. |
| 90 | + for _, logLine := range strings.Split(string(logFile), "\n") { |
| 91 | + streams := Streams{} |
| 92 | + |
| 93 | + lineMetadata := map[string]string{} |
| 94 | + for k, v := range metadata { |
| 95 | + lineMetadata[k] = v |
| 96 | + } |
| 97 | + |
| 98 | + s := Stream{ |
| 99 | + Stream: lineMetadata, |
| 100 | + } |
| 101 | + |
| 102 | + parsedLogLine, err := fastjson.Parse(logLine) |
| 103 | + if err != nil { |
| 104 | + continue |
| 105 | + } |
| 106 | + if !parsedLogLine.Exists("ts") { |
| 107 | + continue |
| 108 | + } |
| 109 | + |
| 110 | + tsMilli, err := parsedLogLine.Get("ts").Float64() |
| 111 | + if err != nil { |
| 112 | + return err |
| 113 | + } |
| 114 | + tsNano := tsMilli * 1000 * 1000 |
| 115 | + |
| 116 | + if parsedLogLine.Exists("cluster") { |
| 117 | + cluster := parsedLogLine.Get("cluster").String() |
| 118 | + cluster, err = strconv.Unquote(cluster) |
| 119 | + if err != nil { |
| 120 | + return err |
| 121 | + } |
| 122 | + s.Stream["cluster"] = cluster |
| 123 | + } |
| 124 | + if parsedLogLine.Exists("machine") { |
| 125 | + machine := parsedLogLine.Get("machine").String() |
| 126 | + machine, err = strconv.Unquote(machine) |
| 127 | + if err != nil { |
| 128 | + return err |
| 129 | + } |
| 130 | + s.Stream["machine"] = machine |
| 131 | + } |
| 132 | + |
| 133 | + s.Values = append(s.Values, []string{ |
| 134 | + strconv.Itoa(int(tsNano)), |
| 135 | + logLine, |
| 136 | + }) |
| 137 | + |
| 138 | + streams.Streams = append(streams.Streams, s) |
| 139 | + |
| 140 | + body, err := json.Marshal(streams) |
| 141 | + if err != nil { |
| 142 | + return err |
| 143 | + } |
| 144 | + |
| 145 | + // See: https://grafana.com/docs/loki/latest/api/#post-lokiapiv1push |
| 146 | + req, err := http.NewRequest(http.MethodPost, *lokiURL, bytes.NewBuffer(body)) |
| 147 | + if err != nil { |
| 148 | + return err |
| 149 | + } |
| 150 | + req.Header.Set("Content-Type", "application/json") |
| 151 | + |
| 152 | + resp, err := http.DefaultClient.Do(req) |
| 153 | + if err != nil { |
| 154 | + return err |
| 155 | + } |
| 156 | + |
| 157 | + fmt.Println(resp.StatusCode) |
| 158 | + respBody, err := ioutil.ReadAll(resp.Body) |
| 159 | + if err != nil { |
| 160 | + return err |
| 161 | + } |
| 162 | + // move this into separate func |
| 163 | + if err := resp.Body.Close(); err != nil { |
| 164 | + return err |
| 165 | + } |
| 166 | + fmt.Println(string(respBody)) |
| 167 | + } |
| 168 | + } |
| 169 | + |
| 170 | + return nil |
| 171 | +} |
| 172 | + |
| 173 | +type Streams struct { |
| 174 | + Streams []Stream `json:"streams"` |
| 175 | +} |
| 176 | + |
| 177 | +type Stream struct { |
| 178 | + Stream map[string]string `json:"stream"` |
| 179 | + Values [][]string `json:"values"` |
| 180 | +} |
| 181 | + |
| 182 | +func getLogData(ctx context.Context, client *storage.Client, bucket, controllerFolder string) (map[string]logData, error) { |
| 183 | + data := map[string]logData{} |
| 184 | + query := &storage.Query{ |
| 185 | + Prefix: controllerFolder, |
| 186 | + Delimiter: "", |
| 187 | + } |
| 188 | + it := client.Bucket(bucket).Objects(ctx, query) |
| 189 | + for { |
| 190 | + attrs, err := it.Next() |
| 191 | + if err != nil { |
| 192 | + if err == iterator.Done { |
| 193 | + break |
| 194 | + } |
| 195 | + return nil, err |
| 196 | + } |
| 197 | + if !strings.HasSuffix(attrs.Name, "manager.log") && !strings.HasSuffix(attrs.Name, "manager.json") { |
| 198 | + continue |
| 199 | + } |
| 200 | + dir := attrs.Name[:strings.LastIndex(attrs.Name, "/")] |
| 201 | + |
| 202 | + ld, _ := data[dir] |
| 203 | + if strings.HasSuffix(attrs.Name, "manager.log") { |
| 204 | + ld.logFile = attrs.Name |
| 205 | + } else { |
| 206 | + ld.logMetadata = attrs.Name |
| 207 | + } |
| 208 | + data[dir] = ld |
| 209 | + fmt.Println(attrs.Prefix + attrs.Name) |
| 210 | + } |
| 211 | + |
| 212 | + return data, nil |
| 213 | +} |
| 214 | + |
| 215 | +// downloadFile downloads an object. |
| 216 | +func downloadFile(ctx context.Context, client *storage.Client, bucket, object string) ([]byte, error) { |
| 217 | + ctx, cancel := context.WithTimeout(ctx, time.Minute) |
| 218 | + defer cancel() |
| 219 | + |
| 220 | + rc, err := client.Bucket(bucket).Object(object).NewReader(ctx) |
| 221 | + if err != nil { |
| 222 | + return nil, fmt.Errorf("Object(%q).NewReader: %v", object, err) |
| 223 | + } |
| 224 | + defer rc.Close() |
| 225 | + |
| 226 | + data, err := ioutil.ReadAll(rc) |
| 227 | + if err != nil { |
| 228 | + return nil, fmt.Errorf("ioutil.ReadAll: %v", err) |
| 229 | + } |
| 230 | + return data, nil |
| 231 | +} |
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