下载docker镜像

dockerPull() 函数
peer orderer ccenv tools

docker pull "hyperledger/fabric-peer:x86_64-1.4.4
docker pull "hyperledger/fabric-orderer:x86_64-1.4.4
docker pull "hyperledger/fabric-ccenv:x86_64-1.4.4
docker pull "hyperledger/fabric-tools:x86_64-1.4.4

pullDockerImages() 函数
拉取三方的镜像 couchdb kafka zookeeper

docker pull "hyperledger/fabric-couchdb:x86_64-1.4.4
docker pull "hyperledger/fabric-kafka:x86_64-1.4.4
docker pull "hyperledger/fabric-zookeeper:x86_64-1.4.4

拉取的ca镜像（证书管理中心）

docker pull "hyperledger/fabric-ca:x86_64-1.4.4

cloneSamplesRepo() 函数
git clone -b master https://github.com/hyperledger/fabric-samples.git
下载实例代码仓库

download() 函数
工具函数，用来进行下载操作

pullBinaries() 函数

VERSION=1.4.4
CA_VERSION=1.4.4
BINARY_FILE=hyperledger-fabric-${ARCH}-${VERSION}.tar.gz
CA_BINARY_FILE=hyperledger-fabric-ca-${ARCH}-${CA_VERSION}.tar.gz
ARCH=$(echo "$(uname -s|tr '[:upper:]' '[:lower:]'|sed 's/mingw64_nt.*/windows/')-$(uname -m | sed 's/x86_64/amd64/g')")

下载二进制工具

"https://github.com/hyperledger/fabric/releases/download/v${VERSION}/${BINARY_FILE}"
https://github.com/hyperledger/fabric/releases/download/v1.4.4/hyperledger-fabric-linux-amd64-1.4.4.tar.gz

下载平台ca相关的二进制工具
https://github.com/hyperledger/fabric-ca/releases/download/v${CA_VERSION}/${CA_BINARY_FILE}
https://github.com/hyperledger/fabric-ca/releases/download/v1.4.4/hyperledger-fabric-ca-linux-amd64-1.4.4.tar.gz