new: adds list repo command

Signed-off-by: Andrea Bonanno <[email protected]>
Co-authored-by: Lorenzo Susini <[email protected]>
Signed-off-by: Andrea Bonanno <[email protected]>

Author: 2 people

cmd/list.go

@@ -0,0 +1,45 @@
+package cmd
+
+import "github.com/spf13/cobra"
+
+//Defaults
+const ()
+
+// ListOptions represents the install command options
+type ListOptions struct {
+	*ListRepoOptions
+	RepoPath string
+	RepoFile string
+}
+
+// Validate validates the `list` command options
+func (o *ListOptions) Validate(c *cobra.Command, args []string) error {
+	//TODO
+	return nil
+}
+
+func (o *ListOptions) AddFlags(c *cobra.Command) {
+}
+
+// NewRepoOptions instantiates the `repo` command options
+func NewListOptions() CommandOptions {
+	return &ListOptions{
+		ListRepoOptions: NewListRepoOptions(),
+		RepoPath:        defaultRepoPath,
+		RepoFile:        defaultRepoFile,
+	}
+}
+
+func NewListCmd(options CommandOptions) *cobra.Command {
+	o := options.(*ListOptions)
+	cmd := &cobra.Command{
+		Use:                   "list",
+		DisableFlagsInUseLine: true,
+		Short:                 "Print list of resources",
+		Long:                  "Print list of resources",
+	}
+
+	cmd.AddCommand(NewListRepoCmd(o))
+
+	return cmd
+}

cmd/list_repo.go

@@ -0,0 +1,84 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/falcosecurity/falcoctl/cmd/internal/validate"
+	"github.com/falcosecurity/falcoctl/pkg/repo"
+	"github.com/go-playground/validator/v10"
+	"github.com/mitchellh/go-homedir"
+	logger "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"os"
+	"path/filepath"
+	"text/tabwriter"
+)
+
+// Defaults
+const ()
+
+var _ CommandOptions = &ListRepoOptions{}
+
+// ListRepoOption represents the `list repo` command options
+type ListRepoOptions struct {
+}
+
+// AddFlags adds flag to c
+func (o *ListRepoOptions) AddFlags(c *cobra.Command) {
+}
+
+// Validate validates the `list repo` command options
+func (o *ListRepoOptions) Validate(c *cobra.Command, args []string) error {
+	if err := validate.V.Struct(o); err != nil {
+		return err.(validator.ValidationErrors)
+	}
+	return nil
+}
+
+// NewRepoAddOptions instantiates the `list repo` command options
+func NewListRepoOptions() *ListRepoOptions {
+	return &ListRepoOptions{}
+}
+
+func NewListRepoCmd(options CommandOptions) *cobra.Command {
+	o := options.(*ListOptions)
+
+	cmd := &cobra.Command{
+		Use:                   "repo",
+		DisableFlagsInUseLine: true,
+		Short:                 "Print artifact repositories managed by falcoctl",
+		Long:                  "Print artifact repositories managed by falcoctl",
+		PreRunE:               o.Validate,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if len(args) != 0 {
+				return fmt.Errorf("expected 0 arguments")
+			}
+			home, err := homedir.Dir()
+			if err != nil {
+				logger.WithError(err).Fatal("error getting the home directory")
+			}
+			// HOME/.falcoctl/sources.yaml
+			path := filepath.Join(home, o.RepoPath, o.RepoFile)
+			r, err := repo.LoadRepos(path)
+			if err != nil {
+				if os.IsNotExist(err) {
+					r = &repo.RepoList{}
+				} else {
+
+					logger.Fatal(err.Error())
+					return err
+				}
+			}
+			w := new(tabwriter.Writer)
+			w.Init(os.Stdout, 8, 8, 0, '\t', 0)
+			defer w.Flush()
+			fmt.Fprintf(w, "\n %s\t%s\t%s\t", "NAMEs", "URL", "UPDATED")
+			for _, k := range r.Sources {
+				fmt.Fprintf(w, "\n %s\t%s\t%s\t", k.Name, k.Url, k.Date)
+			}
+			fmt.Fprintf(w, "\n\n")
+			return nil
+		},
+	}
+	o.ListRepoOptions.AddFlags(cmd)
+	return cmd
+}

cmd/root.go

@@ -17,8 +17,10 @@ import (
 )
 
 const (
-	configName = "config"
-	configDir  = ".falcoctl"
+	configName      = "config"
+	configDir       = ".falcoctl"
+	defaultRepoPath = ".falcoctl"
+	defaultRepoFile = "sources.yaml"
 )
 
 func init() {
@@ -76,6 +78,7 @@ func New(configOptions *ConfigOptions) *cobra.Command {
 	rootCmd.AddCommand(NewInstallCmd(NewInstallOptions()))
 	rootCmd.AddCommand(NewSearchCmd(NewSearchOptions()))
 	rootCmd.AddCommand(NewRepoCmd(NewRepoOptions()))
+	rootCmd.AddCommand(NewListCmd(NewListOptions()))
 
 	return rootCmd
 }