forked from TrueCloudLab/frostfs-node
116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
package bearer
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import (
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"errors"
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"fmt"
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"os"
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"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
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commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
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apeCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common/ape"
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parseutil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/ape"
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apeSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ape"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/bearer"
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cidSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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"github.com/spf13/cobra"
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)
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var (
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errChainIDCannotBeEmpty = errors.New("chain id cannot be empty")
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errRuleIsNotParsed = errors.New("rule is not passed")
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)
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const (
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chainIDFlag = "chain-id"
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chainIDHexFlag = "chain-id-hex"
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ruleFlag = "rule"
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pathFlag = "path"
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outputFlag = "output"
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)
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var generateAPEOverrideCmd = &cobra.Command{
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Use: "generate-ape-override",
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Short: "Generate APE override.",
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Long: `Generate APE override by target and APE chains. Util command.
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Generated APE override can be dumped to a file in JSON format that is passed to
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"create" command.
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`,
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Run: genereateAPEOverride,
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}
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func genereateAPEOverride(cmd *cobra.Command, _ []string) {
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c := parseChain(cmd)
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targetCID, _ := cmd.Flags().GetString(commonflags.CIDFlag)
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var cid cidSDK.ID
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commonCmd.ExitOnErr(cmd, "invalid cid format: %w", cid.DecodeString(targetCID))
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override := &bearer.APEOverride{
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Target: apeSDK.ChainTarget{
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TargetType: apeSDK.TargetTypeContainer,
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Name: targetCID,
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},
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Chains: []apeSDK.Chain{
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{
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Raw: c.Bytes(),
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},
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},
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}
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overrideMarshalled, err := override.MarshalJSON()
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commonCmd.ExitOnErr(cmd, "failed to marshal APE override: %w", err)
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outputPath, _ := cmd.Flags().GetString(outputFlag)
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if outputPath != "" {
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err := os.WriteFile(outputPath, []byte(overrideMarshalled), 0o644)
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commonCmd.ExitOnErr(cmd, "dump error: %w", err)
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} else {
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fmt.Print("\n")
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fmt.Println(string(overrideMarshalled))
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}
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}
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func init() {
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ff := generateAPEOverrideCmd.Flags()
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ff.StringP(commonflags.CIDFlag, "", "", "Target container ID.")
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_ = cobra.MarkFlagRequired(createCmd.Flags(), commonflags.CIDFlag)
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ff.StringArray(ruleFlag, []string{}, "Rule statement")
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ff.String(pathFlag, "", "Path to encoded chain in JSON or binary format")
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ff.String(chainIDFlag, "", "Assign ID to the parsed chain")
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ff.Bool(chainIDHexFlag, false, "Flag to parse chain ID as hex")
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ff.String(outputFlag, "", "Output path to dump result JSON-encoded APE override")
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_ = cobra.MarkFlagFilename(createCmd.Flags(), outputFlag)
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}
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func parseChainID(cmd *cobra.Command) apechain.ID {
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chainID, _ := cmd.Flags().GetString(chainIDFlag)
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if chainID == "" {
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commonCmd.ExitOnErr(cmd, "read chain id error: %w",
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errChainIDCannotBeEmpty)
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}
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return apechain.ID(chainID)
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}
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func parseChain(cmd *cobra.Command) *apechain.Chain {
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chain := new(apechain.Chain)
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if rules, _ := cmd.Flags().GetStringArray(ruleFlag); len(rules) > 0 {
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commonCmd.ExitOnErr(cmd, "parser error: %w", parseutil.ParseAPEChain(chain, rules))
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} else if encPath, _ := cmd.Flags().GetString(pathFlag); encPath != "" {
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commonCmd.ExitOnErr(cmd, "decode binary or json error: %w", parseutil.ParseAPEChainBinaryOrJSON(chain, encPath))
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} else {
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commonCmd.ExitOnErr(cmd, "parser error: %w", errRuleIsNotParsed)
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}
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chain.ID = parseChainID(cmd)
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cmd.Println("Parsed chain:")
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apeCmd.PrintHumanReadableAPEChain(cmd, chain)
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return chain
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}
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