|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "fmt" |
| 7 | + "io" |
| 8 | + "net/http" |
| 9 | + "os" |
| 10 | + "time" |
| 11 | + |
| 12 | + "github.com/slack-go/slack" |
| 13 | +) |
| 14 | + |
| 15 | +const ( |
| 16 | + basicPrawURL = "https://storage.googleapis.com/kubevirt-prow/logs/periodic-hco-push-nightly-build-main" |
| 17 | + latestBuildURL = basicPrawURL + "/latest-build.txt" |
| 18 | + finishedURLTemplate = basicPrawURL + "/%s/finished.json" |
| 19 | + jobURLTemplate = basicPrawURL + "/%s/prowjob.json" |
| 20 | + |
| 21 | + timeFormat = "2006-01-02, 15:04:05" |
| 22 | +) |
| 23 | + |
| 24 | +type finished struct { |
| 25 | + Timestamp int64 `json:"timestamp"` |
| 26 | + Passed bool `json:"passed"` |
| 27 | + Result string `json:"result"` |
| 28 | + Revision string `json:"revision"` |
| 29 | +} |
| 30 | + |
| 31 | +func (f finished) getBuildTime() time.Time { |
| 32 | + return time.Unix(f.Timestamp, 0).UTC() |
| 33 | +} |
| 34 | + |
| 35 | +var ( |
| 36 | + token string |
| 37 | + channelId string |
| 38 | + groupId string |
| 39 | +) |
| 40 | + |
| 41 | +func init() { |
| 42 | + var ok bool |
| 43 | + token, ok = os.LookupEnv("HCO_REPORTER_SLACK_TOKEN") |
| 44 | + if !ok { |
| 45 | + fmt.Fprintln(os.Stderr, "HCO_REPORTER_SLACK_TOKEN environment variable not set") |
| 46 | + os.Exit(1) |
| 47 | + } |
| 48 | + |
| 49 | + channelId, ok = os.LookupEnv("HCO_CHANNEL_ID") |
| 50 | + if !ok { |
| 51 | + fmt.Fprintln(os.Stderr, "HCO_CHANNEL_ID environment variable not set") |
| 52 | + os.Exit(1) |
| 53 | + } |
| 54 | + |
| 55 | + groupId, ok = os.LookupEnv("HCO_GROUP_ID") |
| 56 | + if !ok { |
| 57 | + fmt.Fprintln(os.Stderr, "HCO_GROUP_ID environment variable not set") |
| 58 | + os.Exit(1) |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +func main() { |
| 63 | + ctx, cancel := context.WithTimeout(context.Background(), time.Second*10) |
| 64 | + defer cancel() |
| 65 | + |
| 66 | + blocks, jobURL, err := generateMessage(ctx) |
| 67 | + if err != nil { |
| 68 | + fmt.Fprintln(os.Stderr, err) |
| 69 | + os.Exit(1) |
| 70 | + } |
| 71 | + |
| 72 | + err = sendMessageToSlackChannel(blocks) |
| 73 | + |
| 74 | + if err != nil { |
| 75 | + writeSendError(err, jobURL) |
| 76 | + os.Exit(1) |
| 77 | + } |
| 78 | + |
| 79 | + fmt.Println("Successfully sent message to the channel") |
| 80 | +} |
| 81 | + |
| 82 | +func writeSendError(err error, jobURL string) { |
| 83 | + fmt.Fprintln(os.Stderr, "failed to send the message to the channel; ", err.Error()) |
| 84 | + if serr, ok := err.(slack.SlackErrorResponse); ok { |
| 85 | + for _, msg := range serr.ResponseMetadata.Messages { |
| 86 | + fmt.Fprintln(os.Stderr, msg) |
| 87 | + } |
| 88 | + } |
| 89 | + |
| 90 | + if len(jobURL) > 0 { |
| 91 | + fmt.Fprintln(os.Stderr, "job URL: ", jobURL) |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +func generateMessage(ctx context.Context) ([]slack.Block, string, error) { |
| 96 | + client := http.DefaultClient |
| 97 | + client.Timeout = time.Second * 3 |
| 98 | + |
| 99 | + latestBuild, err := getLatestBuild(ctx, client) |
| 100 | + if err != nil { |
| 101 | + return nil, "", fmt.Errorf("failed to latest job ID; %s", err.Error()) |
| 102 | + } |
| 103 | + |
| 104 | + buildStatus, err := getBuildStatus(ctx, latestBuild) |
| 105 | + if err != nil { |
| 106 | + return nil, "", fmt.Errorf("failed to fetch the build status; %s", err.Error()) |
| 107 | + } |
| 108 | + |
| 109 | + buildTime := time.Unix(buildStatus.Timestamp, 0).UTC() |
| 110 | + if time.Since(buildTime).Hours() > 24 { |
| 111 | + return generateNoBuildMessage(buildTime), "", nil |
| 112 | + } |
| 113 | + |
| 114 | + jobURL, err := getJob(ctx, latestBuild) |
| 115 | + if err != nil { |
| 116 | + return nil, "", fmt.Errorf("failed to fetch the job info; %s", err.Error()) |
| 117 | + } |
| 118 | + |
| 119 | + return generateStatusMessage(buildStatus, jobURL), jobURL, nil |
| 120 | +} |
| 121 | + |
| 122 | +func sendMessageToSlackChannel(blocks []slack.Block) error { |
| 123 | + s := slack.New(token) |
| 124 | + _, _, err := s.PostMessage(channelId, slack.MsgOptionBlocks(blocks...)) |
| 125 | + return err |
| 126 | +} |
| 127 | + |
| 128 | +func generateMsgHeader() slack.Block { |
| 129 | + return slack.NewHeaderBlock( |
| 130 | + slack.NewTextBlockObject( |
| 131 | + "plain_text", "Nightly Build Status", false, false, |
| 132 | + ), |
| 133 | + ) |
| 134 | +} |
| 135 | + |
| 136 | +func generateMentionBlock(blockId string) slack.Block { |
| 137 | + return slack.NewRichTextBlock(blockId, slack.NewRichTextSection( |
| 138 | + slack.NewRichTextSectionUserGroupElement(groupId), |
| 139 | + )) |
| 140 | +} |
| 141 | + |
| 142 | +func generateNoBuildMessage(buildTime time.Time) []slack.Block { |
| 143 | + return []slack.Block{ |
| 144 | + generateMsgHeader(), |
| 145 | + slack.NewDividerBlock(), |
| 146 | + slack.NewRichTextBlock("1", slack.NewRichTextSection( |
| 147 | + slack.NewRichTextSectionEmojiElement("failed", 3, nil), |
| 148 | + )), |
| 149 | + slack.NewRichTextBlock("2", slack.NewRichTextSection( |
| 150 | + slack.NewRichTextSectionTextElement( |
| 151 | + "No new build today", nil, |
| 152 | + ), |
| 153 | + )), |
| 154 | + slack.NewRichTextBlock("3", slack.NewRichTextSection( |
| 155 | + slack.NewRichTextSectionTextElement( |
| 156 | + fmt.Sprintf("Last build was at %v", buildTime.Format(timeFormat)), |
| 157 | + nil, |
| 158 | + ), |
| 159 | + )), |
| 160 | + generateMentionBlock("4"), |
| 161 | + slack.NewDividerBlock(), |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +func generateStatusMessage(buildStatus *finished, jobURL string) []slack.Block { |
| 166 | + var status, emoji string |
| 167 | + if buildStatus.Passed { |
| 168 | + status = "passed" |
| 169 | + emoji = "solid-success" |
| 170 | + } else { |
| 171 | + status = "failed" |
| 172 | + emoji = "failed" |
| 173 | + } |
| 174 | + |
| 175 | + ts := buildStatus.getBuildTime().Format(timeFormat) |
| 176 | + |
| 177 | + blocks := []slack.Block{ |
| 178 | + generateMsgHeader(), |
| 179 | + slack.NewDividerBlock(), |
| 180 | + slack.NewRichTextBlock("1", slack.NewRichTextSection( |
| 181 | + slack.NewRichTextSectionEmojiElement(emoji, 3, nil), |
| 182 | + )), |
| 183 | + slack.NewRichTextBlock("2", slack.NewRichTextSection( |
| 184 | + slack.NewRichTextSectionTextElement( |
| 185 | + "Status: ", nil, |
| 186 | + ), |
| 187 | + slack.NewRichTextSectionLinkElement(jobURL, status, &slack.RichTextSectionTextStyle{Bold: true}), |
| 188 | + )), |
| 189 | + slack.NewRichTextBlock("3", slack.NewRichTextSection( |
| 190 | + slack.NewRichTextSectionTextElement( |
| 191 | + "Build time: "+ts+" UTC", nil, |
| 192 | + ), |
| 193 | + )), |
| 194 | + } |
| 195 | + |
| 196 | + if !buildStatus.Passed { |
| 197 | + blocks = append(blocks, slack.NewDividerBlock()) |
| 198 | + blocks = append(blocks, generateMentionBlock("4")) |
| 199 | + } |
| 200 | + return blocks |
| 201 | +} |
| 202 | + |
| 203 | +func getLatestBuild(ctx context.Context, client *http.Client) (string, error) { |
| 204 | + req, err := http.NewRequest(http.MethodGet, latestBuildURL, nil) |
| 205 | + if err != nil { |
| 206 | + return "", err |
| 207 | + } |
| 208 | + |
| 209 | + resp, err := client.Do(req.WithContext(ctx)) |
| 210 | + if err != nil { |
| 211 | + return "", err |
| 212 | + } |
| 213 | + |
| 214 | + defer resp.Body.Close() |
| 215 | + |
| 216 | + latestBuildBytes, err := io.ReadAll(resp.Body) |
| 217 | + if err != nil { |
| 218 | + return "", err |
| 219 | + } |
| 220 | + return string(latestBuildBytes), nil |
| 221 | +} |
| 222 | + |
| 223 | +func getBuildStatus(ctx context.Context, latestBuild string) (*finished, error) { |
| 224 | + req, err := http.NewRequest(http.MethodGet, fmt.Sprintf(finishedURLTemplate, latestBuild), nil) |
| 225 | + if err != nil { |
| 226 | + return nil, err |
| 227 | + } |
| 228 | + |
| 229 | + finishedResp, err := http.DefaultClient.Do(req.WithContext(ctx)) |
| 230 | + if err != nil { |
| 231 | + return nil, err |
| 232 | + } |
| 233 | + |
| 234 | + defer finishedResp.Body.Close() |
| 235 | + |
| 236 | + f := &finished{} |
| 237 | + dec := json.NewDecoder(finishedResp.Body) |
| 238 | + if err = dec.Decode(&f); err != nil { |
| 239 | + return nil, err |
| 240 | + } |
| 241 | + return f, nil |
| 242 | +} |
| 243 | + |
| 244 | +func getJob(ctx context.Context, latestBuild string) (string, error) { |
| 245 | + req, err := http.NewRequest(http.MethodGet, fmt.Sprintf(jobURLTemplate, latestBuild), nil) |
| 246 | + if err != nil { |
| 247 | + return "", err |
| 248 | + } |
| 249 | + |
| 250 | + jobResp, err := http.DefaultClient.Do(req.WithContext(ctx)) |
| 251 | + if err != nil { |
| 252 | + return "", err |
| 253 | + } |
| 254 | + |
| 255 | + defer jobResp.Body.Close() |
| 256 | + |
| 257 | + job := struct { |
| 258 | + Status struct { |
| 259 | + URL string `json:"url,omitempty"` |
| 260 | + } `json:"status"` |
| 261 | + }{} |
| 262 | + dec := json.NewDecoder(jobResp.Body) |
| 263 | + err = dec.Decode(&job) |
| 264 | + if err != nil { |
| 265 | + return "", err |
| 266 | + } |
| 267 | + return job.Status.URL, nil |
| 268 | +} |
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