init commit

lib/http/images/pull.go

@@ -0,0 +1,44 @@
+package images
+
+import (
+	"context"
+	"encoding/json"
+	"floares/config"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+)
+
+type PullRsp struct {
+	Images []string `json:"images"`
+	Id     string   `json:"id"`
+	Error  string   `json:"errr,omitempty"`
+	Info   string   `json:"info,omitempty"`
+}
+
+func Pull(ref string) PullRsp {
+	var pull PullRsp
+	req, _ := http.NewRequestWithContext(context.Background(), http.MethodPost, config.Entrypoint+fmt.Sprintf("/v2.2.2/libpod/images/pull?reference=%s&quiet=true", ref), nil)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return PullRsp{
+			Error: err.Error(),
+		}
+	}
+	defer func(Body io.ReadCloser) {
+		err = Body.Close()
+		if err != nil {
+			log.Printf("Failed to close response body: %v", err)
+		}
+	}(resp.Body)
+	if resp.StatusCode != http.StatusOK {
+		return PullRsp{
+			Error: "status code " + resp.Status,
+		}
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&pull)
+
+	return pull
+
+}