|
| 1 | +package slackV2 |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "github.com/prometheus/alertmanager/config" |
| 6 | + "github.com/prometheus/alertmanager/template" |
| 7 | + "github.com/prometheus/common/model" |
| 8 | + "github.com/satori/go.uuid" |
| 9 | + "github.com/slack-go/slack" |
| 10 | + "net/http" |
| 11 | + url2 "net/url" |
| 12 | + "strconv" |
| 13 | + "strings" |
| 14 | + "time" |
| 15 | +) |
| 16 | + |
| 17 | +func genGrafanaRenderUrl(dash string, panel string, org string, host string) string { |
| 18 | + |
| 19 | + const unixMinute = 1000 * 60 |
| 20 | + const unixSec = 1000 |
| 21 | + const imageWidth = "999" |
| 22 | + const imageHeight = "333" |
| 23 | + const timeZone = "Europe/Moscow" |
| 24 | + const urlPath = "/render/d-solo/" |
| 25 | + const urlScheme = "https" |
| 26 | + |
| 27 | + url := "" |
| 28 | + |
| 29 | + if u, err := url2.Parse(""); err == nil { |
| 30 | + u.Scheme = urlScheme |
| 31 | + u.Host = host |
| 32 | + u.Path = urlPath + dash + "/" |
| 33 | + q := u.Query() |
| 34 | + q.Set("orgId", org) |
| 35 | + q.Set("from", strconv.FormatInt(time.Now().UnixMilli()-(unixMinute*60), 10)) |
| 36 | + q.Set("to", strconv.FormatInt(time.Now().UnixMilli()-(unixSec*10), 10)) |
| 37 | + q.Set("panelId", panel) |
| 38 | + q.Set("width", imageWidth) |
| 39 | + q.Set("height", imageHeight) |
| 40 | + q.Set("tz", timeZone) |
| 41 | + u.RawQuery = q.Encode() |
| 42 | + url = u.String() |
| 43 | + } |
| 44 | + return url |
| 45 | +} |
| 46 | +func genGrafanaUrl(dash string, panel string, org string, host string) string { |
| 47 | + |
| 48 | + const urlScheme = "https" |
| 49 | + |
| 50 | + DashUrl := "" |
| 51 | + |
| 52 | + if u, err := url2.Parse(""); err == nil { |
| 53 | + u.Scheme = urlScheme |
| 54 | + u.Host = host |
| 55 | + u.Path = "d/" + dash |
| 56 | + q := u.Query() |
| 57 | + q.Set("orgId", org) |
| 58 | + if panel != "" { |
| 59 | + q.Set("viewPanel", panel) |
| 60 | + } |
| 61 | + u.RawQuery = q.Encode() |
| 62 | + DashUrl = u.String() |
| 63 | + } |
| 64 | + return DashUrl |
| 65 | +} |
| 66 | +func urlMerger(kUrl string, pUrl string) string { |
| 67 | + imageLink := "" |
| 68 | + key := "" |
| 69 | + if u, err := url2.Parse(kUrl); err == nil { |
| 70 | + key = u.Path |
| 71 | + } |
| 72 | + |
| 73 | + trunc := []rune(key) |
| 74 | + key = string(trunc[len(trunc)-10:]) |
| 75 | + |
| 76 | + if u2, err := url2.Parse(pUrl); err == nil { |
| 77 | + q := u2.Query() |
| 78 | + q.Set("pub_secret", key) |
| 79 | + u2.RawQuery = q.Encode() |
| 80 | + imageLink = u2.String() |
| 81 | + } |
| 82 | + return imageLink |
| 83 | +} |
| 84 | + |
| 85 | +func getUploadedImageUrl(url string, token config.Secret, grafanaToken config.Secret) string { |
| 86 | + |
| 87 | + client := &http.Client{} |
| 88 | + req, err := http.NewRequest("GET", url, nil) |
| 89 | + req.Header.Set("Authorization", "Bearer "+string(grafanaToken)) |
| 90 | + response, err := client.Do(req) |
| 91 | + |
| 92 | + defer response.Body.Close() |
| 93 | + |
| 94 | + if err != nil { |
| 95 | + fmt.Printf("invalid req: %v\n", err) |
| 96 | + return "" |
| 97 | + } |
| 98 | + |
| 99 | + if response.StatusCode != 200 { |
| 100 | + fmt.Printf("received non 200 response code, code: %v\n", response.StatusCode) |
| 101 | + return "" |
| 102 | + } |
| 103 | + |
| 104 | + uuid := uuid.NewV4() |
| 105 | + fileName := strings.Replace(uuid.String(), "-", "", -1) |
| 106 | + api := slack.New(string(token)) |
| 107 | + params := slack.FileUploadParameters{ |
| 108 | + Reader: response.Body, |
| 109 | + Filetype: "jpg", |
| 110 | + Filename: fileName + ".jpg", |
| 111 | + } |
| 112 | + image, err := api.UploadFile(params) |
| 113 | + |
| 114 | + if err != nil { |
| 115 | + fmt.Printf("UPLOAD ERROR. Name: %s\n", image.Name) |
| 116 | + return "" |
| 117 | + } |
| 118 | + sharedUrl, _, _, err := api.ShareFilePublicURL(image.ID) |
| 119 | + |
| 120 | + if err != nil { |
| 121 | + fmt.Printf("SharedError :%v\n", sharedUrl) |
| 122 | + return "" |
| 123 | + } |
| 124 | + |
| 125 | + imageUrl := urlMerger(sharedUrl.PermalinkPublic, sharedUrl.URLPrivate) |
| 126 | + |
| 127 | + return imageUrl |
| 128 | + |
| 129 | +} |
| 130 | + |
| 131 | +func (n *Notifier) formatGrafanaMessage(data *template.Data) slack.Blocks { |
| 132 | + |
| 133 | + dashboardUid := "" |
| 134 | + panelId := "" |
| 135 | + orgId := "" |
| 136 | + //grafanaValues := "" |
| 137 | + runBook := "" |
| 138 | + firing := make([]string, 0) |
| 139 | + resolved := make([]string, 0) |
| 140 | + severity := make([]string, 0) |
| 141 | + envs := make([]string, 0) |
| 142 | + blocks := make([]slack.Block, 0) |
| 143 | + |
| 144 | + for _, alert := range data.Alerts { |
| 145 | + for _, v := range alert.Labels.SortedPairs() { |
| 146 | + switch v.Name { |
| 147 | + case "host_name": |
| 148 | + switch model.AlertStatus(alert.Status) { |
| 149 | + case model.AlertFiring: |
| 150 | + firing = append(firing, v.Value) |
| 151 | + case model.AlertResolved: |
| 152 | + resolved = append(resolved, v.Value) |
| 153 | + } |
| 154 | + case "severity": |
| 155 | + severity = append(severity, v.Value) |
| 156 | + case "env": |
| 157 | + envs = append(envs, v.Value) |
| 158 | + } |
| 159 | + } |
| 160 | + for _, v := range alert.Annotations.SortedPairs() { |
| 161 | + switch v.Name { |
| 162 | + |
| 163 | + case "__dashboardUid__": |
| 164 | + dashboardUid = v.Value |
| 165 | + case "__panelId__": |
| 166 | + panelId = v.Value |
| 167 | + case "orgid": |
| 168 | + orgId = v.Value |
| 169 | + //case "__value_string__": |
| 170 | + // grafanaValues = v.Value |
| 171 | + case "runbook_url": |
| 172 | + runBook = v.Value |
| 173 | + } |
| 174 | + } |
| 175 | + } |
| 176 | + |
| 177 | + severity = UniqStr(severity) |
| 178 | + resolved = UniqStr(resolved) |
| 179 | + firing = UniqStr(firing) |
| 180 | + envs = UniqStr(envs) |
| 181 | + |
| 182 | + grafanaDashUrl := genGrafanaUrl(dashboardUid, "", orgId, n.conf.GrafanaHost) |
| 183 | + grafanaPanelUrl := genGrafanaUrl(dashboardUid, panelId, orgId, n.conf.GrafanaHost) |
| 184 | + grafanaImageUrl := genGrafanaRenderUrl(dashboardUid, panelId, orgId, n.conf.GrafanaHost) |
| 185 | + slackImageUrl := getUploadedImageUrl(grafanaImageUrl, n.conf.UserToken, n.conf.GrafanaToken) |
| 186 | + |
| 187 | + { |
| 188 | + url := "" |
| 189 | + if urlParsed, err := url2.Parse(data.ExternalURL); err == nil { |
| 190 | + urlParsed.Path = "/#/silences/new" |
| 191 | + args := urlParsed.Query() |
| 192 | + filters := make([]string, 0) |
| 193 | + for _, v := range data.CommonLabels.SortedPairs() { |
| 194 | + filters = append(filters, fmt.Sprintf("%s=\"%s\"", v.Name, v.Value)) |
| 195 | + } |
| 196 | + args.Add("filter", fmt.Sprintf("{%s}", strings.Join(filters, ","))) |
| 197 | + urlParsed.RawQuery = args.Encode() |
| 198 | + url = urlParsed.String() |
| 199 | + url = strings.Replace(url, "%23", "#", 1) |
| 200 | + } |
| 201 | + |
| 202 | + alertEditUrl := "" |
| 203 | + for _, alert := range data.Alerts { |
| 204 | + if alert.GeneratorURL != "" { |
| 205 | + alertEditUrl = alert.GeneratorURL + "?orgId=" + orgId |
| 206 | + break |
| 207 | + } |
| 208 | + } |
| 209 | + |
| 210 | + //Header |
| 211 | + blocks = append(blocks, Block{Type: slack.MBTHeader, Text: &Text{Type: slack.PlainTextType, Text: getMapValue(data.CommonLabels, "alertname")}}) |
| 212 | + |
| 213 | + //Divider |
| 214 | + //blocks = append(blocks, Block{Type: slack.MBTDivider}) |
| 215 | + |
| 216 | + //Env and severity |
| 217 | + fields := make([]*Field, 0) |
| 218 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Env: %s*", strings.ToUpper(strings.Join(envs, ", ")))}) |
| 219 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Severety: %s*", strings.ToUpper(strings.Join(severity, ", ")))}) |
| 220 | + |
| 221 | + //Buttons |
| 222 | + if grafanaPanelUrl != "" { |
| 223 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|:chart_with_upwards_trend:Panel>*", grafanaPanelUrl)}) |
| 224 | + } else { |
| 225 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf(":chart_with_upwards_trend:~Panel~")}) |
| 226 | + } |
| 227 | + |
| 228 | + if url != "" { |
| 229 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|:no_bell:Silence>*", url)}) |
| 230 | + } else { |
| 231 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|:no_bell:Silence>*", url)}) |
| 232 | + } |
| 233 | + if grafanaDashUrl != "" { |
| 234 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|:dashboard:Dash>*", grafanaDashUrl)}) |
| 235 | + } else { |
| 236 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf(":dashboard:~Dash~")}) |
| 237 | + } |
| 238 | + if alertEditUrl != "" { |
| 239 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|:gear:Edit>*", alertEditUrl)}) |
| 240 | + } else { |
| 241 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*:gear:~Edit~")}) |
| 242 | + } |
| 243 | + |
| 244 | + blocks = append(blocks, Block{Type: slack.MBTSection, Fields: fields}) |
| 245 | + } |
| 246 | + |
| 247 | + //Firing > Resolved |
| 248 | + if len(firing) > 0 && len(resolved) > 0 { |
| 249 | + fields := make([]*Field, 0) |
| 250 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Firing:* `%s`", strings.Join(firing, ", "))}) |
| 251 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Resolved:* `%s`", strings.Join(resolved, ", "))}) |
| 252 | + blocks = append(blocks, Block{Type: slack.MBTSection, Fields: fields}) |
| 253 | + } else { |
| 254 | + fields := make([]*Field, 0) |
| 255 | + if len(resolved) > 0 { |
| 256 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Resolved: *`%s`", strings.Join(resolved, ", "))}) |
| 257 | + } else { |
| 258 | + fields = append(fields, &Field{Type: slack.MarkdownType, Text: fmt.Sprintf("*Firing: *`%s`", strings.Join(firing, ", "))}) |
| 259 | + } |
| 260 | + blocks = append(blocks, Block{Type: slack.MBTSection, Fields: fields}) |
| 261 | + } |
| 262 | + |
| 263 | + //GrafanaImage |
| 264 | + if slackImageUrl != "" { |
| 265 | + blocks = append(blocks, Block{Type: slack.MBTImage, ImageURL: slackImageUrl, AltText: "inspiration"}) |
| 266 | + } |
| 267 | + |
| 268 | + //Summary and description |
| 269 | + { |
| 270 | + block := Block{Type: slack.MBTContext, Elements: make([]*Element, 0)} |
| 271 | + |
| 272 | + if val := getMapValue(data.CommonAnnotations, "description"); len(val) > 0 { |
| 273 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*Description:* %s\n\n", val)}) |
| 274 | + } else { |
| 275 | + for _, al := range data.Alerts { |
| 276 | + if val, ok := al.Annotations["description"]; ok && len(val) > 0 { |
| 277 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*Description:* %s\n\n", val)}) |
| 278 | + break |
| 279 | + } |
| 280 | + } |
| 281 | + } |
| 282 | + |
| 283 | + if val := getMapValue(data.CommonAnnotations, "summary"); len(val) > 0 { |
| 284 | + if runBook != "" { |
| 285 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|Summary:>* %s", runBook, val)}) |
| 286 | + } else { |
| 287 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*Summary:* %s", val)}) |
| 288 | + } |
| 289 | + } else { |
| 290 | + summary := make([]string, 0) |
| 291 | + for _, al := range data.Alerts { |
| 292 | + if val, ok := al.Annotations["summary"]; ok && len(val) > 0 { |
| 293 | + summary = append(summary, val) |
| 294 | + } |
| 295 | + } |
| 296 | + summary = mergeSameMessages(summary) |
| 297 | + if len(summary) > 0 { |
| 298 | + if runBook != "" { |
| 299 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*<%s|Summary:>* %s", runBook, cut(strings.Join(summary, ";\n"), 500))}) |
| 300 | + } else { |
| 301 | + block.Elements = append(block.Elements, &Element{Type: slack.MarkdownType, Text: fmt.Sprintf("*Summary:* %s", cut(strings.Join(summary, ";\n"), 500))}) |
| 302 | + } |
| 303 | + } |
| 304 | + } |
| 305 | + |
| 306 | + if len(block.Elements) > 0 { |
| 307 | + blocks = append(blocks, block) |
| 308 | + } |
| 309 | + } |
| 310 | + |
| 311 | + result := slack.Blocks{BlockSet: blocks} |
| 312 | + return result |
| 313 | +} |
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