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90 lines
4.2 KiB
90 lines
4.2 KiB
Deploy a Testnet
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================
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Now that we've seen how ABCI works, and even played with a few
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applications on a single validator node, it's time to deploy a test
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network to four validator nodes. For this deployment, we'll use the
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``basecoin`` application.
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Manual Deployments
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------------------
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It's relatively easy to setup a Tendermint cluster manually. The only
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requirements for a particular Tendermint node are a private key for the
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validator, stored as ``priv_validator.json``, a node key, stored as
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``node_key.json`` and a list of the public keys of all validators, stored as
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``genesis.json``. These files should be stored in ``~/.tendermint/config``, or
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wherever the ``$TMHOME`` variable might be set to.
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Here are the steps to setting up a testnet manually:
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1) Provision nodes on your cloud provider of choice
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2) Install Tendermint and the application of interest on all nodes
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3) Generate a private key and a node key for each validator using
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``tendermint init``
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4) Compile a list of public keys for each validator into a
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``genesis.json`` file and replace the existing file with it.
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5) Run ``tendermint node --p2p.persistent_peers=< peer addresses >`` on each node,
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where ``< peer addresses >`` is a comma separated list of the IP:PORT
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combination for each node. The default port for Tendermint is
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``46656``. Thus, if the IP addresses of your nodes were
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``192.168.0.1, 192.168.0.2, 192.168.0.3, 192.168.0.4``, the command
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would look like:
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``tendermint node --p2p.persistent_peers=96663a3dd0d7b9d17d4c8211b191af259621c693@192.168.0.1:46656, 429fcf25974313b95673f58d77eacdd434402665@192.168.0.2:46656, 0491d373a8e0fcf1023aaf18c51d6a1d0d4f31bd@192.168.0.3:46656, f9baeaa15fedf5e1ef7448dd60f46c01f1a9e9c4@192.168.0.4:46656``.
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After a few seconds, all the nodes should connect to each other and start
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making blocks! For more information, see the Tendermint Networks section
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of `the guide to using Tendermint <using-tendermint.html>`__.
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Automated Deployments
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---------------------
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While the manual deployment is easy enough, an automated deployment is
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usually quicker. The below examples show different tools that can be used
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for automated deployments.
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Automated Deployment using Kubernetes
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The `mintnet-kubernetes tool <https://github.com/tendermint/tools/tree/master/mintnet-kubernetes>`__
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allows automating the deployment of a Tendermint network on an already
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provisioned Kubernetes cluster. For simple provisioning of a Kubernetes
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cluster, check out the `Google Cloud Platform <https://cloud.google.com/>`__.
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Automated Deployment using Terraform and Ansible
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The `terraform-digitalocean tool <https://github.com/tendermint/tools/tree/master/terraform-digitalocean>`__
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allows creating a set of servers on the DigitalOcean cloud.
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The `ansible playbooks <https://github.com/tendermint/tools/tree/master/ansible>`__
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allow creating and managing a ``basecoin`` or ``ethermint`` testnet on provisioned servers.
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Package Deployment on Linux for developers
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The ``tendermint`` and ``basecoin`` applications can be installed from RPM or DEB packages on
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Linux machines for development purposes. The packages are configured to be validators on the
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one-node network that the machine represents. The services are not started after installation,
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this way giving an opportunity to reconfigure the applications before starting.
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The Ansible playbooks in the previous section use this repository to install ``basecoin``.
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After installation, additional steps are executed to make sure that the multi-node testnet has
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the right configuration before start.
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Install from the CentOS/RedHat repository:
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::
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rpm --import https://tendermint-packages.interblock.io/centos/7/os/x86_64/RPM-GPG-KEY-Tendermint
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wget -O /etc/yum.repos.d/tendermint.repo https://tendermint-packages.interblock.io/centos/7/os/x86_64/tendermint.repo
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yum install basecoin
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Install from the Debian/Ubuntu repository:
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::
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wget -O - https://tendermint-packages.interblock.io/centos/7/os/x86_64/RPM-GPG-KEY-Tendermint | apt-key add -
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wget -O /etc/apt/sources.list.d/tendermint.list https://tendermint-packages.interblock.io/debian/tendermint.list
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apt-get update && apt-get install basecoin
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