107 lines
3.1 KiB
Go
107 lines
3.1 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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"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
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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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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/network"
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tracing "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing/grpc"
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"git.frostfs.info/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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"google.golang.org/grpc"
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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(cmd, key, endpointFlag)
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if err != nil {
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commonCmd.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(cmd *cobra.Command, key *ecdsa.PrivateKey, endpointFlag string) (*client.Client, error) {
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var addr network.Address
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if len(viper.GetString(endpointFlag)) == 0 {
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return nil, fmt.Errorf("%s is not defined", endpointFlag)
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}
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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(cmd.Context(), cmd, key, addr)
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}
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// GetSDKClient returns default frostfs-sdk-go client.
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func GetSDKClient(ctx context.Context, cmd *cobra.Command, key *ecdsa.PrivateKey, addr network.Address) (*client.Client, error) {
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var c client.Client
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prmInit := client.PrmInit{
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Key: *key,
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}
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prmDial := client.PrmDial{
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Endpoint: addr.URIAddr(),
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GRPCDialOptions: []grpc.DialOption{
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grpc.WithChainUnaryInterceptor(tracing.NewUnaryClientInteceptor()),
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grpc.WithChainStreamInterceptor(tracing.NewStreamClientInterceptor()),
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},
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}
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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.DialTimeout = timeout
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prmDial.StreamTimeout = timeout
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common.PrintVerbose(cmd, "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(ctx, 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, cmd *cobra.Command, 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(ctx, cmd, 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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