84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
// Package healthcheck provides health check functionality.
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package healthcheck
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import (
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"context"
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"log/slog"
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"time"
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"go.uber.org/fx"
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"sneak.berlin/go/pixa/internal/config"
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"sneak.berlin/go/pixa/internal/database"
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"sneak.berlin/go/pixa/internal/globals"
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"sneak.berlin/go/pixa/internal/logger"
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)
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// Params defines dependencies for Healthcheck.
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type Params struct {
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fx.In
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Globals *globals.Globals
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Config *config.Config
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Logger *logger.Logger
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Database *database.Database
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}
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// Healthcheck provides health check information.
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type Healthcheck struct {
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StartupTime time.Time
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log *slog.Logger
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globals *globals.Globals
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config *config.Config
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}
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// New creates a new Healthcheck instance.
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func New(lc fx.Lifecycle, params Params) (*Healthcheck, error) {
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s := &Healthcheck{
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log: params.Logger.Get(),
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globals: params.Globals,
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config: params.Config,
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}
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lc.Append(fx.Hook{
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OnStart: func(ctx context.Context) error {
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s.StartupTime = time.Now()
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return nil
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},
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OnStop: func(ctx context.Context) error {
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return nil
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},
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})
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return s, nil
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}
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// Response is the JSON response for health checks.
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type Response struct {
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Status string `json:"status"`
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Now string `json:"now"`
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UptimeSeconds int64 `json:"uptime_seconds"`
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UptimeHuman string `json:"uptime_human"`
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Version string `json:"version"`
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Appname string `json:"appname"`
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Maintenance bool `json:"maintenance_mode"`
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}
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func (s *Healthcheck) uptime() time.Duration {
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return time.Since(s.StartupTime)
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}
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// Healthcheck returns the current health status.
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func (s *Healthcheck) Healthcheck() *Response {
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resp := &Response{
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Status: "ok",
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Now: time.Now().UTC().Format(time.RFC3339Nano),
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UptimeSeconds: int64(s.uptime().Seconds()),
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UptimeHuman: s.uptime().String(),
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Appname: s.globals.Appname,
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Version: s.globals.Version,
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Maintenance: s.config.MaintenanceMode,
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}
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return resp
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}
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