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47 lines
2.1 KiB
47 lines
2.1 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``, and a list of the public
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keys of all validators, stored as ``genesis.json``. These files should
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be stored in ``~/.tendermint``, or wherever the ``$TMROOT`` variable
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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 for each validator using
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``tendermint gen_validator``
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4) Compile a list of public keys for each validator into a
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``genesis.json`` file.
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5) Run ``tendermint node --p2p.seeds=< seed addresses >`` on each node,
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where ``< seed 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.seeds=192.168.0.1:46656,192.168.0.2:46656,192.168.0.3:46656,192.168.0.4:46656``.
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After a few seconds, all the nodes should connect to eachother 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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always better. For this, we have the `mintnet-kubernetes
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tool <https://github.com/tendermint/tools/tree/master/mintnet-kubernetes>`__,
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which allows us to automate the deployment of a Tendermint network on an
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already provisioned kubernetes cluster. And for simple provisioning of kubernetes
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cluster, check out the `Google Cloud Platform <https://cloud.google.com/>`__.
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