95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
package internal
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import (
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"context"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"errors"
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"fmt"
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"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
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"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
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"github.com/TrueCloudLab/frostfs-node/pkg/network"
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"github.com/TrueCloudLab/frostfs-sdk-go/client"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var errInvalidEndpoint = errors.New("provided RPC endpoint is incorrect")
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// GetSDKClientByFlag returns default frostfs-sdk-go client using the specified flag for the address.
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// On error, outputs to stderr of cmd and exits with non-zero code.
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func GetSDKClientByFlag(cmd *cobra.Command, key *ecdsa.PrivateKey, endpointFlag string) *client.Client {
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cli, err := getSDKClientByFlag(key, endpointFlag)
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if err != nil {
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common.ExitOnErr(cmd, "can't create API client: %w", err)
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}
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return cli
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}
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func getSDKClientByFlag(key *ecdsa.PrivateKey, endpointFlag string) (*client.Client, error) {
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var addr network.Address
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err := addr.FromString(viper.GetString(endpointFlag))
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if err != nil {
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return nil, fmt.Errorf("%v: %w", errInvalidEndpoint, err)
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}
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return GetSDKClient(key, addr)
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}
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// GetSDKClient returns default frostfs-sdk-go client.
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func GetSDKClient(key *ecdsa.PrivateKey, addr network.Address) (*client.Client, error) {
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var (
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c client.Client
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prmInit client.PrmInit
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prmDial client.PrmDial
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)
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prmInit.SetDefaultPrivateKey(*key)
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prmInit.ResolveNeoFSFailures()
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prmDial.SetServerURI(addr.URIAddr())
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if timeout := viper.GetDuration(commonflags.Timeout); timeout > 0 {
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// In CLI we can only set a timeout for the whole operation.
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// By also setting stream timeout we ensure that no operation hands
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// for too long.
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prmDial.SetTimeout(timeout)
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prmDial.SetStreamTimeout(timeout)
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common.PrintVerbose("Set request timeout to %s.", timeout)
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}
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c.Init(prmInit)
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if err := c.Dial(prmDial); err != nil {
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return nil, fmt.Errorf("can't init SDK client: %w", err)
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}
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return &c, nil
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}
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// GetCurrentEpoch returns current epoch.
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func GetCurrentEpoch(ctx context.Context, endpoint string) (uint64, error) {
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var addr network.Address
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if err := addr.FromString(endpoint); err != nil {
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return 0, fmt.Errorf("can't parse RPC endpoint: %w", err)
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}
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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if err != nil {
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return 0, fmt.Errorf("can't generate key to sign query: %w", err)
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}
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c, err := GetSDKClient(key, addr)
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if err != nil {
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return 0, err
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}
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ni, err := c.NetworkInfo(ctx, client.PrmNetworkInfo{})
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if err != nil {
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return 0, err
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}
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return ni.Info().CurrentEpoch(), nil
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}
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