mirror of
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95 lines
3.0 KiB
Go
95 lines
3.0 KiB
Go
package mattermost
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import (
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"fmt"
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"net/http"
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"github.com/TwinProduction/gatus/v3/alerting/alert"
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"github.com/TwinProduction/gatus/v3/alerting/provider/custom"
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"github.com/TwinProduction/gatus/v3/client"
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"github.com/TwinProduction/gatus/v3/core"
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)
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// AlertProvider is the configuration necessary for sending an alert using Mattermost
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type AlertProvider struct {
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WebhookURL string `yaml:"webhook-url"`
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// ClientConfig is the configuration of the client used to communicate with the provider's target
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ClientConfig *client.Config `yaml:"client"`
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// DefaultAlert is the default alert configuration to use for services with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert"`
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}
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// IsValid returns whether the provider's configuration is valid
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func (provider *AlertProvider) IsValid() bool {
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if provider.ClientConfig == nil {
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provider.ClientConfig = client.GetDefaultConfig()
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}
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return len(provider.WebhookURL) > 0
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}
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// ToCustomAlertProvider converts the provider into a custom.AlertProvider
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func (provider *AlertProvider) ToCustomAlertProvider(service *core.Service, alert *alert.Alert, result *core.Result, resolved bool) *custom.AlertProvider {
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var message string
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var color string
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if resolved {
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message = fmt.Sprintf("An alert for *%s* has been resolved after passing successfully %d time(s) in a row", service.Name, alert.SuccessThreshold)
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color = "#36A64F"
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} else {
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message = fmt.Sprintf("An alert for *%s* has been triggered due to having failed %d time(s) in a row", service.Name, alert.FailureThreshold)
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color = "#DD0000"
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}
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var results string
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for _, conditionResult := range result.ConditionResults {
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var prefix string
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if conditionResult.Success {
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prefix = ":white_check_mark:"
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} else {
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prefix = ":x:"
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}
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results += fmt.Sprintf("%s - `%s`\\n", prefix, conditionResult.Condition)
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}
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var description string
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if alertDescription := alert.GetDescription(); len(alertDescription) > 0 {
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description = ":\\n> " + alertDescription
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}
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return &custom.AlertProvider{
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URL: provider.WebhookURL,
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Method: http.MethodPost,
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ClientConfig: provider.ClientConfig,
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Body: fmt.Sprintf(`{
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"text": "",
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"username": "gatus",
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"icon_url": "https://raw.githubusercontent.com/TwinProduction/gatus/master/static/logo.png",
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"attachments": [
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{
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"title": ":rescue_worker_helmet: Gatus",
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"fallback": "Gatus - %s",
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"text": "%s%s",
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"short": false,
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"color": "%s",
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"fields": [
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{
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"title": "URL",
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"value": "%s",
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"short": false
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},
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{
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"title": "Condition results",
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"value": "%s",
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"short": false
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}
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]
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}
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]
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}`, message, message, description, color, service.URL, results),
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Headers: map[string]string{"Content-Type": "application/json"},
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}
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}
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// GetDefaultAlert returns the provider's default alert configuration
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func (provider AlertProvider) GetDefaultAlert() *alert.Alert {
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return provider.DefaultAlert
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}
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