[#834] adm: Add commands to invoke methods of policy contract

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

cmd/frostfs-cli/modules/util/ape.go

@@ -3,11 +3,13 @@ package util
 import (
 	"errors"
 	"fmt"
+	"strconv"
 	"strings"
 
 	apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
 	nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
 	"github.com/flynn-archive/go-shlex"
+	"github.com/spf13/cobra"
 )
 
 var (
@@ -20,6 +22,37 @@ var (
 	errUnknownCondObjectType  = errors.New("condition object type is not recognized")
 )
 
+// PrintHumanReadableAPEChain print APE chain rules.
+func PrintHumanReadableAPEChain(cmd *cobra.Command, chain *apechain.Chain) {
+	cmd.Println("ChainID: " + string(chain.ID))
+	cmd.Println("Rules:")
+	for _, rule := range chain.Rules {
+		cmd.Println("\tStatus: " + rule.Status.String())
+		cmd.Println("\tAny: " + strconv.FormatBool(rule.Any))
+		cmd.Println("\tConditions:")
+		for _, c := range rule.Condition {
+			var ot string
+			switch c.Object {
+			case apechain.ObjectResource:
+				ot = "Resource"
+			case apechain.ObjectRequest:
+				ot = "Request"
+			default:
+				panic("unknown object type")
+			}
+			cmd.Println(fmt.Sprintf("\t\t%s %s %s %s", ot, c.Key, c.Op, c.Value))
+		}
+		cmd.Println("\tActions:\tInverted:" + strconv.FormatBool(rule.Actions.Inverted))
+		for _, name := range rule.Actions.Names {
+			cmd.Println("\t\t" + name)
+		}
+		cmd.Println("\tResources:\tInverted:" + strconv.FormatBool(rule.Resources.Inverted))
+		for _, name := range rule.Resources.Names {
+			cmd.Println("\t\t" + name)
+		}
+	}
+}
+
 // ParseAPEChain parses APE chain rules.
 func ParseAPEChain(chain *apechain.Chain, rules []string) error {
 	if len(rules) == 0 {