Chapter One Nine: Easily complete the installation of fabric s block chains

Posted by Dream$of$uccess on Tue, 24 Dec 2019 19:33:15 +0100

Catalog

1 Preface

2 Operating system environment settings

2.1 Host and Operating System

2.2 Set Host Name

2.3 Setting up DNS

2.4 Close the firewall

2.5 Turn off selinux

2.6 Turn off swap

3 Operating system software installation

4 Install docker

5 Install docker-compose

5.1 jsonschema version mismatch

5.2 cffi version mismatch

5.3 dnspython version mismatch

5.4 python-ldap version mismatch

5.5 subprocess32 uninstall failed

6 Installation Configuration go

6.1 Install go

6.2 Configuration go

7 Download fabric s source

1 Preface

This paper describes how to manually deploy a fabrics block chain to understand the network structure and component usage of the block chain by building a fabrics.

2 Operating system environment settings

Each host, except 2.2, needs to perform the following steps.

2.1 Host and Operating System

This block chain requires three hosts.The underlying operating system is centos7.

2.2 Set Host Name

The host names of the three hosts are peer0.example.com, peer1.example.com, and peer2.example.com.

hostnamectl set-hostname peer0.example.com

hostnamectl set-hostname peer1.example.com

hostnamectl set-hostname peer2.example.com

2.3 Setting up DNS

Three hosts run four nodes (one of them is both an order node and a peer node).Edit/etc/hosts:

192.168.182.168 peer0.example.com order.example.com

192.168.182.169 peer1.example.com

192.168.182.170 peer2.example.com

2.4 Close the firewall

systemctl disable firewalld && systemctl stop firewalld

2.5 Close selinux

sed -i 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/config

setenforce 0

2.6 Close swap

sed -i '$d' /etc/fstab

swapoff -a

3 Operating system software installation

Each host needs to be installed.

yum update

yum install -y git

yum install -y curl

yum install -y epel-release

yum install -y openldap-devel

yum install -y python-devel

yum install -y python-pip

pip install --upgrade pip

4 Install docker

docker version 1.13.1.Each host needs to be installed.

yum install docker

systemctl enable docker && systemctl start docker

docker version // Verify successful installation

5 Install docker-compose

docker-compose version 1.25.0.Each host needs to be installed.

pip install docker-compose

docker-compose version // Verify successful installation

If an installation error occurs, you can modify it with reference to the following.

5.1 jsonschema version mismatch

ERROR: jsonschema 3.2.0 has requirement six>=1.11.0, but you'll have six 1.9.0 which is incompatible.

Execute the following statements:

pip install six --user -U

pip install ipython --user -U

5.2 cffi version mismatch

ERROR: cryptography 2.8 has requirement cffi!=1.11.3,>=1.8, but you'll have cffi 1.6.0 which is incompatible.

Execute the following statements:

pip install cffi --user -U

5.3 dnspython version mismatch

ERROR: ipapython 4.6.5 has requirement dnspython>=1.15, but you'll have dnspython 1.12.0 which is incompatible.

Execute the following statements:

pip install dnspython --user -U

5.4 python-ldap version mismatch

ERROR: ipapython 4.6.5 has requirement python-ldap>=3.0.0b1, but you'll have python-ldap 2.4.15 which is incompatible.

Execute the following statements:

pip install --upgrade python-ldap --user -U

5.5 subprocess32 uninstall failed

ERROR: Cannot uninstall 'subprocess32'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.

Execute the following statements:

pip install docker-compose --ignore-installed subprocess32

6 Installation Configuration go

Each host installs and configures go.

6.1 Install go

cd /usr/local

wget https://studygolang.com/dl/golang/go1.13.1.linux-amd64.tar.gz 

tar -xvf go1.13.1.linux-amd64.tar.gz

mkdir -p /workspace // fabric Source Storage Directory

mkdir -p /workspace/fabric/bin // fabric target code store directory

6.2 Configuration go

vi /etc/profile

export GOROOT=/usr/local/go 

export GOPATH=/workspace/fabricexport 

PATH=$PATH:$GOROOT/bin:$GOPATH/bin

7 Download fabric s source

Each host needs to download the fabric s source.

cd /workspace

git clone https://github.com/hyperledger/fabric.git

Edit/workspace/fabric/scripts/bootstrap.sh, modify the download() method, and remove the silent mode of curl download, otherwise you will not see any download status throughout the download process.

curl -L -s "${URL}" | tar xz || rc=$?

Change to:

curl -L "${URL}" | tar xz || rc=$?

After modification, execute the bootstrap.sh script, which downloads fabric-sample code and a lot of mirroring.And the download process may be interrupted from time to time. For specific reasons, think about it for yourself and don't scream. That's what life is like. Just accept it.Once the script is executed, there will be more mirrors locally as follows:

Fabrics have been installed successfully since then.The next section describes the deployment of fabric s.

Topics: Linux Docker pip yum Python