Code maintenance: CLI interface abstraction

internal/cli/healthcheck.go

@@ -0,0 +1,20 @@
+package cli
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/qdm12/gluetun/internal/constants"
+	"github.com/qdm12/gluetun/internal/healthcheck"
+)
+
+func (c *cli) HealthCheck(ctx context.Context) error {
+	const timeout = 3 * time.Second
+	httpClient := &http.Client{Timeout: timeout}
+	healthchecker := healthcheck.NewChecker(httpClient)
+	ctx, cancel := context.WithTimeout(ctx, timeout)
+	defer cancel()
+	const url = "http://" + constants.HealthcheckAddress
+	return healthchecker.Check(ctx, url)
+}