chore(refactor): refactors go code (#2443)

internal/docker/host.go

@@ -0,0 +1,68 @@
+package docker
+
+import (
+	"fmt"
+	"log"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type Host struct {
+	Name       string   `json:"name"`
+	ID         string   `json:"id"`
+	URL        *url.URL `json:"-"`
+	CertPath   string   `json:"-"`
+	CACertPath string   `json:"-"`
+	KeyPath    string   `json:"-"`
+	ValidCerts bool     `json:"-"`
+}
+
+func ParseConnection(connection string) (Host, error) {
+	parts := strings.Split(connection, "|")
+	if len(parts) > 2 {
+		return Host{}, fmt.Errorf("invalid connection string: %s", connection)
+	}
+
+	remoteUrl, err := url.Parse(parts[0])
+	if err != nil {
+		return Host{}, err
+	}
+
+	name := remoteUrl.Hostname()
+	if len(parts) == 2 {
+		name = parts[1]
+	}
+
+	basePath, err := filepath.Abs("./certs")
+	if err != nil {
+		log.Fatalf("error converting certs path to absolute: %s", err)
+	}
+
+	host := remoteUrl.Hostname()
+	if _, err := os.Stat(filepath.Join(basePath, host)); !os.IsNotExist(err) {
+		basePath = filepath.Join(basePath, host)
+	}
+
+	cacertPath := filepath.Join(basePath, "ca.pem")
+	certPath := filepath.Join(basePath, "cert.pem")
+	keyPath := filepath.Join(basePath, "key.pem")
+
+	hasCerts := true
+	if _, err := os.Stat(cacertPath); os.IsNotExist(err) {
+		cacertPath = ""
+		hasCerts = false
+	}
+
+	return Host{
+		ID:         strings.ReplaceAll(remoteUrl.String(), "/", ""),
+		Name:       name,
+		URL:        remoteUrl,
+		CertPath:   certPath,
+		CACertPath: cacertPath,
+		KeyPath:    keyPath,
+		ValidCerts: hasCerts,
+	}, nil
+
+}