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Installing Dragonfly Client

This topic explains how to install the Dragonfly dfclient.

Context

Install the dfclient in one of the following ways:

  • Deploying with Docker.
  • Deploying with physical machines.

Prerequisites

When deploying with Docker, the following conditions must be met.

Required Software Version Limit
Git 1.9.1+
Docker 1.12.0+

When deploying with physical machines, the following conditions must be met.

Required Software Version Limit
Git 1.9.1+
Golang 1.12.x

Procedure - When Deploying with Docker

Get dfclient image

You can get it from DockerHub directly.

  1. Obtain the latest Docker image ID of the SuperNode.

    docker pull dragonflyoss/dfclient:1.0.0

Or you can build your own dfclient image.

  1. Obtain the source code of Dragonfly.

    git clone https://github.com/dragonflyoss/Dragonfly.git

  2. Enter the project directory.

    cd Dragonfly

  3. Build the Docker image.

    TAG="1.0.0"
make docker-build-client DF_VERSION=$TAG

  4. Obtain the latest Docker image ID of the dfclient.

    docker image ls | grep 'dfclient' | awk '{print $3}' | head -n1

Start the dfdaemon

NOTE: You should prepare the config files which should locate under /etc/dragonfly by default.

version=1.0.0
# Replace ${supernode} with your own supernode node with format `ip:port=weight`.
SUPERNODE=$supernode
docker run -d --name dfclient --restart=always -p 65001:65001 -v $HOME/.small-dragonfly:/root/.small-dragonfly -v /etc/dragonfly:/etc/dragonfly dragonflyoss/dfclient:$version --node $SUPERNODE

Procedure - When Deploying with Physical Machines

Get dfclient executable file

  1. Download a binary package of the SuperNode. You can download one of the latest builds for Dragonfly on the github releases page.

    version=1.0.0
wget https://github.com/dragonflyoss/Dragonfly/releases/download/v$version/Dragonfly_$version_linux_amd64.tar.gz

  2. Unzip the package.

    # Replace `xxx` with the installation directory.
tar -zxf Dragonfly_1.0.0_linux_amd64.tar.gz -C xxx

  3. Move the dfget and dfdaemon to your PATH environment variable to make sure you can directly use dfget and dfdaemon command.

Or you can build your own dfclient executable files.

  1. Obtain the source code of Dragonfly.

    git clone https://github.com/dragonflyoss/Dragonfly.git

  2. Enter the project directory.

    cd Dragonfly

  3. Build dfdaemon and dfget.

    make build-client && make install-client

Start the dfdaemon

NOTE: You can ignore this step when using only dfget for file distribution .

# Replace ${supernode} with your own supernode node with format `ip:port=weight`.
SUPERNODE=$supernode
dfdaemon --node $SUPERNODE

After this Task

Test if the downloading works.

dfget --url "http://${resourceUrl}" --output ./resource.png --node "127.0.0.1:8002"

And test dfdaemon by pulling an image.