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install.go
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install.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package chaincode
import (
"context"
"io/ioutil"
"github.com/golang/protobuf/proto"
cb "github.com/hyperledger/fabric-protos-go/common"
pb "github.com/hyperledger/fabric-protos-go/peer"
"github.com/hyperledger/fabric/bccsp"
"github.com/hyperledger/fabric/core/common/ccpackage"
"github.com/hyperledger/fabric/core/common/ccprovider"
"github.com/hyperledger/fabric/internal/peer/common"
"github.com/hyperledger/fabric/internal/pkg/identity"
"github.com/hyperledger/fabric/protoutil"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var chaincodeInstallCmd *cobra.Command
const (
installCmdName = "install"
)
// Installer holds the dependencies needed to install
// a chaincode
type Installer struct {
Command *cobra.Command
EndorserClients []pb.EndorserClient
Input *InstallInput
Signer identity.SignerSerializer
CryptoProvider bccsp.BCCSP
}
// InstallInput holds the input parameters for installing
// a chaincode
type InstallInput struct {
Name string
Version string
Language string
PackageFile string
Path string
}
// installCmd returns the cobra command for chaincode install
func installCmd(cf *ChaincodeCmdFactory, i *Installer, cryptoProvider bccsp.BCCSP) *cobra.Command {
chaincodeInstallCmd = &cobra.Command{
Use: "install",
Short: "Install a chaincode.",
Long: "Install a chaincode on a peer. This installs a chaincode deployment spec package (if provided) or packages the specified chaincode before subsequently installing it.",
ValidArgs: []string{"1"},
RunE: func(cmd *cobra.Command, args []string) error {
if i == nil {
var err error
if cf == nil {
cf, err = InitCmdFactory(cmd.Name(), true, false, cryptoProvider)
if err != nil {
return err
}
}
i = &Installer{
Command: cmd,
EndorserClients: cf.EndorserClients,
Signer: cf.Signer,
CryptoProvider: cryptoProvider,
}
}
return i.installChaincode(args)
},
}
flagList := []string{
"lang",
"ctor",
"path",
"name",
"version",
"peerAddresses",
"tlsRootCertFiles",
"connectionProfile",
}
attachFlags(chaincodeInstallCmd, flagList)
return chaincodeInstallCmd
}
// installChaincode installs the chaincode
func (i *Installer) installChaincode(args []string) error {
if i.Command != nil {
// Parsing of the command line is done so silence cmd usage
i.Command.SilenceUsage = true
}
i.setInput(args)
// LSCC install
return i.install()
}
func (i *Installer) setInput(args []string) {
i.Input = &InstallInput{
Name: chaincodeName,
Version: chaincodeVersion,
Path: chaincodePath,
}
if len(args) > 0 {
i.Input.PackageFile = args[0]
}
}
// install installs a chaincode deployment spec to "peer.address"
// for use with lscc
func (i *Installer) install() error {
ccPkgMsg, err := i.getChaincodePackageMessage()
if err != nil {
return err
}
proposal, err := i.createInstallProposal(ccPkgMsg)
if err != nil {
return err
}
signedProposal, err := protoutil.GetSignedProposal(proposal, i.Signer)
if err != nil {
return errors.WithMessagef(err, "error creating signed proposal for %s", chainFuncName)
}
return i.submitInstallProposal(signedProposal)
}
func (i *Installer) submitInstallProposal(signedProposal *pb.SignedProposal) error {
// install is currently only supported for one peer
proposalResponse, err := i.EndorserClients[0].ProcessProposal(context.Background(), signedProposal)
if err != nil {
return errors.WithMessage(err, "error endorsing chaincode install")
}
if proposalResponse == nil {
return errors.New("error during install: received nil proposal response")
}
if proposalResponse.Response == nil {
return errors.New("error during install: received proposal response with nil response")
}
if proposalResponse.Response.Status != int32(cb.Status_SUCCESS) {
return errors.Errorf("install failed with status: %d - %s", proposalResponse.Response.Status, proposalResponse.Response.Message)
}
logger.Infof("Installed remotely: %v", proposalResponse)
return nil
}
func (i *Installer) getChaincodePackageMessage() (proto.Message, error) {
// if no package provided, create one
if i.Input.PackageFile == "" {
if i.Input.Path == common.UndefinedParamValue || i.Input.Version == common.UndefinedParamValue || i.Input.Name == common.UndefinedParamValue {
return nil, errors.Errorf("must supply value for %s name, path and version parameters", chainFuncName)
}
// generate a raw ChaincodeDeploymentSpec
ccPkgMsg, err := genChaincodeDeploymentSpec(i.Command, i.Input.Name, i.Input.Version)
if err != nil {
return nil, err
}
return ccPkgMsg, nil
}
// read in a package generated by the "package" sub-command (and perhaps signed
// by multiple owners with the "signpackage" sub-command)
// var cds *pb.ChaincodeDeploymentSpec
ccPkgMsg, cds, err := getPackageFromFile(i.Input.PackageFile, i.CryptoProvider)
if err != nil {
return nil, err
}
// get the chaincode details from cds
cName := cds.ChaincodeSpec.ChaincodeId.Name
cVersion := cds.ChaincodeSpec.ChaincodeId.Version
// if user provided chaincodeName, use it for validation
if i.Input.Name != "" && i.Input.Name != cName {
return nil, errors.Errorf("chaincode name %s does not match name %s in package", i.Input.Name, cName)
}
// if user provided chaincodeVersion, use it for validation
if i.Input.Version != "" && i.Input.Version != cVersion {
return nil, errors.Errorf("chaincode version %s does not match version %s in packages", i.Input.Version, cVersion)
}
return ccPkgMsg, nil
}
func (i *Installer) createInstallProposal(msg proto.Message) (*pb.Proposal, error) {
creator, err := i.Signer.Serialize()
if err != nil {
return nil, errors.WithMessage(err, "error serializing identity")
}
prop, _, err := protoutil.CreateInstallProposalFromCDS(msg, creator)
if err != nil {
return nil, errors.WithMessagef(err, "error creating proposal for %s", chainFuncName)
}
return prop, nil
}
// genChaincodeDeploymentSpec creates ChaincodeDeploymentSpec as the package to install
func genChaincodeDeploymentSpec(cmd *cobra.Command, chaincodeName, chaincodeVersion string) (*pb.ChaincodeDeploymentSpec, error) {
if existed, _ := ccprovider.ChaincodePackageExists(chaincodeName, chaincodeVersion); existed {
return nil, errors.Errorf("chaincode %s:%s already exists", chaincodeName, chaincodeVersion)
}
spec, err := getChaincodeSpec(cmd)
if err != nil {
return nil, err
}
cds, err := getChaincodeDeploymentSpec(spec, true)
if err != nil {
return nil, errors.WithMessagef(err, "error getting chaincode deployment spec for %s", chaincodeName)
}
return cds, nil
}
// getPackageFromFile get the chaincode package from file and the extracted ChaincodeDeploymentSpec
func getPackageFromFile(ccPkgFile string, cryptoProvider bccsp.BCCSP) (proto.Message, *pb.ChaincodeDeploymentSpec, error) {
ccPkgBytes, err := ioutil.ReadFile(ccPkgFile)
if err != nil {
return nil, nil, err
}
// the bytes should be a valid package (CDS or SignedCDS)
ccpack, err := ccprovider.GetCCPackage(ccPkgBytes, cryptoProvider)
if err != nil {
return nil, nil, err
}
// either CDS or Envelope
o := ccpack.GetPackageObject()
// try CDS first
cds, ok := o.(*pb.ChaincodeDeploymentSpec)
if !ok || cds == nil {
// try Envelope next
env, ok := o.(*cb.Envelope)
if !ok || env == nil {
return nil, nil, errors.New("error extracting valid chaincode package")
}
// this will check for a valid package Envelope
_, sCDS, err := ccpackage.ExtractSignedCCDepSpec(env)
if err != nil {
return nil, nil, errors.WithMessage(err, "error extracting valid signed chaincode package")
}
// ...and get the CDS at last
cds, err = protoutil.UnmarshalChaincodeDeploymentSpec(sCDS.ChaincodeDeploymentSpec)
if err != nil {
return nil, nil, errors.WithMessage(err, "error extracting chaincode deployment spec")
}
err = platformRegistry.ValidateDeploymentSpec(cds.ChaincodeSpec.Type.String(), cds.CodePackage)
if err != nil {
return nil, nil, errors.WithMessage(err, "chaincode deployment spec validation failed")
}
}
return o, cds, nil
}