frostfs-node/cmd/frostfs-cli/modules/ape_manager/add_chain.go

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package apemanager
import (
"encoding/hex"
"errors"
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/util"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
apemanager_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/apemanager"
client_sdk "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
"github.com/spf13/cobra"
)
const (
chainIDFlag = "chain-id"
chainIDHexFlag = "chain-id-hex"
ruleFlag = "rule"
pathFlag = "path"
)
const (
targetNameFlag = "target-name"
targetNameDesc = "Resource name in APE resource name format"
targetTypeFlag = "target-type"
targetTypeDesc = "Resource type(container/namespace)"
)
const (
defaultNamespace = ""
namespaceTarget = "namespace"
containerTarget = "container"
userTarget = "user"
groupTarget = "group"
)
var (
errUnknownTargetType = errors.New("unknown target type")
)
var addCmd = &cobra.Command{
Use: "add",
Short: "Add rule chain for a target",
Run: add,
PersistentPreRun: func(cmd *cobra.Command, _ []string) {
commonflags.Bind(cmd)
},
}
func parseTarget(cmd *cobra.Command) (ct apemanager_sdk.ChainTarget) {
typ, _ := cmd.Flags().GetString(targetTypeFlag)
name, _ := cmd.Flags().GetString(targetNameFlag)
ct.Name = name
switch typ {
case namespaceTarget:
ct.TargetType = apemanager_sdk.TargetTypeNamespace
case containerTarget:
var cnr cid.ID
commonCmd.ExitOnErr(cmd, "can't decode container ID: %w", cnr.DecodeString(name))
ct.TargetType = apemanager_sdk.TargetTypeContainer
case userTarget:
ct.TargetType = apemanager_sdk.TargetTypeUser
case groupTarget:
ct.TargetType = apemanager_sdk.TargetTypeGroup
default:
commonCmd.ExitOnErr(cmd, "read target type error: %w", errUnknownTargetType)
}
return ct
}
func parseChain(cmd *cobra.Command) apemanager_sdk.Chain {
chainID, _ := cmd.Flags().GetString(chainIDFlag)
hexEncoded, _ := cmd.Flags().GetBool(chainIDHexFlag)
chainIDRaw := []byte(chainID)
if hexEncoded {
var err error
chainIDRaw, err = hex.DecodeString(chainID)
commonCmd.ExitOnErr(cmd, "can't decode chain ID as hex: %w", err)
}
chain := new(apechain.Chain)
chain.ID = apechain.ID(chainIDRaw)
if rules, _ := cmd.Flags().GetStringArray(ruleFlag); len(rules) > 0 {
commonCmd.ExitOnErr(cmd, "parser error: %w", util.ParseAPEChain(chain, rules))
} else if encPath, _ := cmd.Flags().GetString(pathFlag); encPath != "" {
commonCmd.ExitOnErr(cmd, "decode binary or json error: %w", util.ParseAPEChainBinaryOrJSON(chain, encPath))
} else {
commonCmd.ExitOnErr(cmd, "parser error: %w", errors.New("rule is not passed"))
}
cmd.Println("Parsed chain:")
util.PrintHumanReadableAPEChain(cmd, chain)
serialized := chain.Bytes()
return apemanager_sdk.Chain{
Raw: serialized,
}
}
func add(cmd *cobra.Command, _ []string) {
c := parseChain(cmd)
target := parseTarget(cmd)
key := key.Get(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, key, commonflags.RPC)
res, err := cli.APEManagerAddChain(cmd.Context(), client_sdk.PrmAPEManagerAddChain{
ChainTarget: target,
Chain: c,
})
commonCmd.ExitOnErr(cmd, "add chain error: %w", err)
cmd.Println("Rule has been added.")
cmd.Println("Chain ID: ", string(res.ChainID))
}
func initAddCmd() {
commonflags.Init(addCmd)
ff := addCmd.Flags()
ff.StringArray(ruleFlag, []string{}, "Rule statement")
ff.String(pathFlag, "", "Path to encoded chain in JSON or binary format")
ff.String(chainIDFlag, "", "Assign ID to the parsed chain")
ff.String(targetNameFlag, "", targetNameDesc)
ff.String(targetTypeFlag, "", targetTypeDesc)
_ = addCmd.MarkFlagRequired(targetTypeFlag)
ff.Bool(chainIDHexFlag, false, "Flag to parse chain ID as hex")
addCmd.MarkFlagsMutuallyExclusive(pathFlag, ruleFlag)
}