Fullstack Blockchain Application running on Kubernetes

Blockchain Based Asset Transfer Application

Application Introduction

The asset transfer application can be accessed from this link.
http://hlf-k8.tk

Swagger Introduction

The swagger ui can be accessed from this link.
http://api.hlf-k8.tk/api-docs

Hyperledger Explorer Introduction

The hyperledger explorer dashboard can be accessed from this link.
http://explorer.hlf-k8.tk

You can login to hyperledger explorer with these credentials.

Username	Password
admin	adminpw

Grafana Introduction

The grafana dashboard can be accessed from this link.
http://grafana.hlf-k8.tk

You can login to grafana with these credentials.

Username	Password
admin	adminpw

Prerequisites for Kubernetes Deployment

• Kubernetes 1.12+

• Nfs Server

• Ingress Controller

• Minimum 8 cpu

• Minimum 10 GB Ram

Preparation for Kubernetes Deployment

Edit these files according to your nfs server configuration.

Replace 192.168.12.9 with your nfs server ip

Replace /srv/kubedata with your nfs sharing path

Paths of the files to be edited

deploy/k8s/pv/fabricfiles-pv.yaml
deploy/k8s/pv/kafka-pv.yaml
deploy/k8s/pv/zookeeper-pv.yaml
deploy/setup/copy_fabricfiles.sh
deploy/setup/create_fabric_dir.sh

Copy deploy folder to your nfs server.

Go the path of deploy folder,run these scripts on your nfs server.

cd deploy/setup/nfs-server-setup

sudo chmod u+x *.sh

./create_fabric_dir.sh

./copy_fabricfiles.sh

Installation for Kubernetes Deployment

cd deploy/k8s

sudo chmod u+x *.sh

./install.sh

Installation Using Vagrant for Kubernetes Deployment

Prerequisites for Kubernetes Deployment

• Vagrant 2.2+
• Virtualbox or Hyperv
• Minimum 8 cpu
• Minimum 10 GB Ram

Virtual Machine Setup

cd deploy

vagrant up

Nfs Server Installation

vagrant ssh nfsserver

cd /vagrant/setup/nfs-server-setup

sudo chmod u+x *.sh

sudo ./install_nfs.sh

./create_fabric_dir.sh

./copy_fabricfiles.sh

exit

Haproxy Installation

vagrant ssh haproxy

cd /vagrant/setup/haproxy-setup

sudo chmod u+x *.sh

sudo ./install_haproxy.sh

exit

Kubernetes Installation

vagrant ssh k8smaster

 cd /vagrant/setup/kubernetes-setup

sudo chmod u+x *.sh

./install-prereqs.sh

Application Installation

cd /vagrant/k8s

sudo chmod u+x *.sh

./install.sh

Used Technologies

• Go 1.14.6
• Node.js 12
• Angular 8.2.14
• Kafka
• Hyperledger Fabric 2.3
• Couchdb
• Hyperledger Explorer 1.1.8
• Swagger
• Docker
• Kubernetes
• Vagrant

Contact

Şuayb Şimşek - @linkledin - [email protected]

Project Link: https://github.com/susimsek/hlf-k8s-fullstack-blockchain-app