/
base_service.go
64 lines (55 loc) · 1.4 KB
/
base_service.go
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package statuspages
import (
"net/http"
"os"
"strings"
"time"
humanize "github.com/dustin/go-humanize"
)
type baseService struct {
startTime time.Time
}
type mainPageTemplateParams struct {
ProcessName string
Now time.Time
StartTime time.Time
StartTimeAgo string
}
type servicePageTemplateParams struct {
CommandLine []string
Env []string
}
func newBaseService() *baseService {
return &baseService{startTime: time.Now()}
}
// MainPageEntry implements Service interface.
func (b *baseService) MainPageEntry(name string) (string, error) {
var sb strings.Builder
now := time.Now()
mainPageTemplate.Execute(&sb, &mainPageTemplateParams{
ProcessName: os.Args[0],
Now: now,
StartTime: b.startTime,
StartTimeAgo: humanize.RelTime(b.startTime, now, "ago", "in the future"),
})
return sb.String(), nil
}
// ServicePage implements Service interface.
func (b *baseService) ServicePage(name string, w http.ResponseWriter, r *http.Request) error {
var sb strings.Builder
if err := Begin.Execute(&sb, name); err != nil {
return err
}
if err := servicePageTemplate.Execute(&sb, &servicePageTemplateParams{
CommandLine: os.Args,
Env: os.Environ(),
}); err != nil {
return err
}
if _, err := sb.WriteString(End); err != nil {
return err
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
_, err := w.Write([]byte(sb.String()))
return err
}