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templating.go
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/
templating.go
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package notifier
import (
"bytes"
"html/template"
)
type TemplateData struct {
ClusterName string
SystemStatus string
FailCount int
WarnCount int
PassCount int
Nodes map[string]Messages
}
func (t TemplateData) IsCritical() bool {
return t.SystemStatus == SYSTEM_CRITICAL
}
func (t TemplateData) IsWarning() bool {
return t.SystemStatus == SYSTEM_UNSTABLE
}
func (t TemplateData) IsPassing() bool {
return t.SystemStatus == SYSTEM_HEALTHY
}
func renderTemplate(t TemplateData, templateFile string, defaultTemplate string) (string, error) {
var tmpl *template.Template
var err error
if templateFile == "" {
tmpl, err = template.New("base").Parse(defaultTemplate)
} else {
tmpl, err = template.ParseFiles(templateFile)
}
if err != nil {
return "", err
}
var body bytes.Buffer
if err := tmpl.Execute(&body, t); err != nil {
return "", err
}
return body.String(), nil
}