Added cache command and ability to delete cached assets

cmd/cache.go

@@ -0,0 +1,69 @@
+package cmd
+
+import (
+	"fmt"
+	"net/url"
+	"os"
+	"strconv"
+
+	magellan "github.com/OpenCHAMI/magellan/internal"
+	"github.com/OpenCHAMI/magellan/internal/cache/sqlite"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+)
+
+var (
+	withAllHosts bool
+	withAllPorts bool
+)
+
+var cacheCmd = &cobra.Command{
+	Use:   "cache",
+	Short: "Manage found assets in cache.",
+	Run: func(cmd *cobra.Command, args []string) {
+		// show the help for cache and exit
+		if len(args) <= 0 {
+			cmd.Help()
+			os.Exit(0)
+		}
+	},
+}
+
+var cacheRemoveCmd = &cobra.Command{
+	Use:   "remove",
+	Short: "Remove a host from a scanned cache list.",
+	Run: func(cmd *cobra.Command, args []string) {
+		assets := []magellan.RemoteAsset{}
+		for _, arg := range args {
+			var (
+				port int
+				uri  *url.URL
+				err  error
+			)
+			uri, err = url.ParseRequestURI(arg)
+			if err != nil {
+				log.Error().Err(err).Msg("failed to parse arg")
+			}
+
+			// convert port to its "proper" type
+			port, err = strconv.Atoi(uri.Port())
+			if err != nil {
+				log.Error().Err(err).Msg("failed to convert port to integer type")
+			}
+			asset := magellan.RemoteAsset{
+				Host: fmt.Sprintf("%s://%s", uri.Scheme, uri.Hostname()),
+				Port: port,
+			}
+			fmt.Printf("%s:%d\n", asset.Host, asset.Port)
+			assets = append(assets, asset)
+		}
+		sqlite.DeleteScannedAssets(cachePath, assets...)
+	},
+}
+
+func init() {
+	cacheRemoveCmd.Flags().BoolVar(&withAllHosts, "--all-hosts", false, "Remove all assets with specified hosts")
+	cacheRemoveCmd.Flags().BoolVar(&withAllPorts, "--all-ports", false, "Remove all assets with specified ports")
+	cacheCmd.AddCommand(cacheRemoveCmd)
+	rootCmd.AddCommand(cacheCmd)
+}