[#25] Add container.create, list, delete commands to CLI
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin
Alex Vanin
parent
d83411016a
commit
db0dd6363f
1 changed files with 306 additions and 4 deletions
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@ -1,23 +1,210 @@
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package cmd
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import (
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"context"
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"crypto/sha256"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/google/uuid"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neofs-api-go/pkg/acl"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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v2container "github.com/nspcc-dev/neofs-api-go/v2/container"
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"github.com/nspcc-dev/neofs-node/pkg/policy"
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"github.com/spf13/cobra"
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)
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const (
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attributeDelimiter = ":"
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awaitTimeout = 120 // in seconds
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)
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var (
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containerOwner string
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containerACL string
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containerNonce string
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containerPolicy string
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containerAttributes []string
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containerAwait bool
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containerID string
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)
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// containerCmd represents the container command
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var containerCmd = &cobra.Command{
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Use: "container",
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Short: "Operations with Containers",
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Long: `Operations with Containers`,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println("container called")
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Short: "Operations with containers",
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Long: "Operations with containers",
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}
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var listContainersCmd = &cobra.Command{
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Use: "list",
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Short: "List all created containers",
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Long: "List all created containers",
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RunE: func(cmd *cobra.Command, args []string) error {
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var (
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response []*container.ID
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oid *owner.ID
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err error
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ctx = context.Background()
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)
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cli, err := getSDKClient()
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if err != nil {
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return err
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}
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switch containerOwner {
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case "":
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response, err = cli.ListSelfContainers(ctx)
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default:
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oid, err = ownerFromString(containerOwner)
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if err != nil {
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return err
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}
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response, err = cli.ListContainers(ctx, oid)
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}
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if err != nil {
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return fmt.Errorf("rpc error: %w", err)
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}
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// print to stdout
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prettyPrintContainerList(response)
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return nil
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},
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}
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var createContainerCmd = &cobra.Command{
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Use: "create",
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Short: "Create new container",
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Long: `Create new container and register it in the NeoFS.
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It will be stored in sidechain when inner ring will accepts it.`,
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RunE: func(cmd *cobra.Command, args []string) error {
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ctx := context.Background()
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cli, err := getSDKClient()
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if err != nil {
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return err
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}
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placementPolicy, err := parseContainerPolicy(containerPolicy)
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if err != nil {
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return err
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}
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attributes, err := parseAttributes(containerAttributes)
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if err != nil {
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return err
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}
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basicACL, err := parseBasicACL(containerACL)
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if err != nil {
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return err
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}
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nonce, err := parseNonce(containerNonce)
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if err != nil {
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return err
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}
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cnr := container.New()
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cnr.SetPlacementPolicy(placementPolicy)
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cnr.SetBasicACL(basicACL)
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cnr.SetAttributes(attributes)
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cnr.SetNonce(nonce[:])
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id, err := cli.PutContainer(ctx, cnr)
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if err != nil {
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return fmt.Errorf("rpc error: %w", err)
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}
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// todo: use stringers after neofs-api-go#147
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fmt.Println("container ID:", base58.Encode(id.ToV2().GetValue()))
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if containerAwait {
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fmt.Println("awaiting...")
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for i := 0; i < awaitTimeout; i++ {
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time.Sleep(1 * time.Second)
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_, err := cli.GetContainer(ctx, id)
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if err == nil {
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fmt.Println("container has been persisted on sidechain")
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return nil
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}
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}
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return errors.New("timeout: container has not been persisted on sidechain")
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}
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return nil
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},
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}
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var deleteContainerCmd = &cobra.Command{
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Use: "delete",
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Short: "Delete existing container",
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Long: `Delete existing container.
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Only owner of the container has a permission to remove container.`,
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RunE: func(cmd *cobra.Command, args []string) error {
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ctx := context.Background()
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cli, err := getSDKClient()
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if err != nil {
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return err
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}
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id, err := parseContainerID(containerID)
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if err != nil {
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return err
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}
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err = cli.DeleteContainer(ctx, id)
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if err != nil {
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return fmt.Errorf("rpc error: %w", err)
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}
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fmt.Println("container delete method invoked")
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if containerAwait {
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fmt.Println("awaiting...")
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for i := 0; i < awaitTimeout; i++ {
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time.Sleep(1 * time.Second)
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_, err := cli.GetContainer(ctx, id)
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if err != nil {
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fmt.Println("container has been removed:", containerID)
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return nil
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}
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}
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return errors.New("timeout: container has not been removed from sidechain")
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}
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return nil
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},
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}
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func init() {
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rootCmd.AddCommand(containerCmd)
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containerCmd.AddCommand(listContainersCmd)
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containerCmd.AddCommand(createContainerCmd)
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containerCmd.AddCommand(deleteContainerCmd)
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// Here you will define your flags and configuration settings.
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@ -28,4 +215,119 @@ func init() {
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// Cobra supports local flags which will only run when this command
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// is called directly, e.g.:
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// containerCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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listContainersCmd.Flags().StringVar(&containerOwner, "owner", "", "owner of containers (omit to use owner from private key)")
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createContainerCmd.Flags().StringVar(&containerACL, "basic-acl", "private",
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"hex encoded basic ACL value or keywords 'public', 'private', 'readonly'")
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createContainerCmd.Flags().StringVarP(&containerPolicy, "policy", "p", "",
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"QL-encoded or JSON-encoded placement policy or path to file with it")
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createContainerCmd.Flags().StringArrayVarP(&containerAttributes, "attribute", "a", nil,
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"colon separated pair of container attribute key and value, e.g. `target:cats`")
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createContainerCmd.Flags().StringVarP(&containerNonce, "nonce", "n", "", "UUIDv4 nonce value for container")
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createContainerCmd.Flags().BoolVar(&containerAwait, "await", false, "block execution until container is persisted")
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deleteContainerCmd.Flags().StringVar(&containerID, "cid", "", "container ID")
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deleteContainerCmd.Flags().BoolVar(&containerAwait, "await", false, "block execution until container is removed")
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}
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func prettyPrintContainerList(list []*container.ID) {
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for i := range list {
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// todo: use stringers after neofs-api-go#147
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fmt.Println(base58.Encode(list[i].ToV2().GetValue()))
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}
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}
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func parseContainerPolicy(policyString string) (*netmap.PlacementPolicy, error) {
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_, err := os.Stat(policyString) // check if `policyString` is a path to file with placement policy
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if err == nil {
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printVerbose("Reading placement policy from file: %s", policyString)
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data, err := ioutil.ReadFile(policyString)
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if err != nil {
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return nil, fmt.Errorf("can't read file with placement policy: %w", err)
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}
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policyString = string(data)
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}
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result, err := policy.Parse(policyString)
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if err == nil {
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printVerbose("Parsed QL encoded policy")
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return result, nil
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}
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result, err = policy.FromJSON([]byte(policyString))
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if err == nil {
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printVerbose("Parsed JSON encoded policy")
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return result, nil
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}
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return nil, errors.New("can't parse placement policy")
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}
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func parseAttributes(attributes []string) ([]*v2container.Attribute, error) {
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result := make([]*v2container.Attribute, 0, len(attributes))
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for i := range attributes {
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kvPair := strings.Split(attributes[i], attributeDelimiter)
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if len(kvPair) != 2 {
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return nil, errors.New("invalid container attribute")
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}
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parsedAttribute := new(v2container.Attribute)
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parsedAttribute.SetKey(kvPair[0])
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parsedAttribute.SetValue(kvPair[1])
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result = append(result, parsedAttribute)
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}
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return result, nil
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}
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func parseBasicACL(basicACL string) (uint32, error) {
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switch basicACL {
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case "public":
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return acl.PublicBasicRule, nil
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case "private":
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return acl.PrivateBasicRule, nil
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case "readonly":
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return acl.ReadOnlyBasicRule, nil
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default:
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basicACL = strings.Trim(strings.ToLower(basicACL), "0x")
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value, err := strconv.ParseUint(basicACL, 16, 32)
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if err != nil {
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return 0, fmt.Errorf("can't parse basic ACL: %s", basicACL)
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}
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return uint32(value), nil
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}
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}
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func parseNonce(nonce string) (uuid.UUID, error) {
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if nonce == "" {
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result := uuid.New()
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printVerbose("Generating container nonce: %s", result)
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return result, nil
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}
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return uuid.Parse(nonce)
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}
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func parseContainerID(cid string) (*container.ID, error) {
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// todo: use decoders after neofs-api-go#147
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data, err := base58.Decode(cid)
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if err != nil || len(data) != sha256.Size {
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return nil, errors.New("can't decode container ID value")
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}
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var buf [sha256.Size]byte
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copy(buf[:], data)
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id := container.NewID()
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id.SetSHA256(buf)
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return id, nil
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}
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