A consortium to help persist IPFS objects until Swarm arrives
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EC2_setup.md add ec2 setup Jan 28, 2016
README.md
ipfs_consortium.py
requirements.txt

README.md

IPFS Consortium

A agreement among trusted parties to assist with persistance of IPFS objects.

How To Use

Clone the source

$ git clone https://github.com/pipermerriam/ipfs-persistence-consortium.git

cd into the newly cloned repository

Install Requirements

You can do this with pip. Recommended to do this in a virtual environment

$ pip install -r requirements.txt

Setup a config file

Setup a config.json in the root directory of the project that looks like the following.

{
    "peers": [
        "QmP24Zx4uEh1ZhmPsERb4ZwBDVdXjHiFqRSkHyqeSJQEsW"
    ]
}

The peers key needs to be an array of IPFS ids.

Run the script

$ python ipfs_consortium.py

This will loop through all of the peers and pin their files locally. This script can be setup to run periodically with something like cron.

How it works

  1. For each peer in the peers list, the script uses ipfs name resolve to find the ipfs address that has been published from that peer.
  2. This address is expected to point to a directory of JSON files. Each of these json files should contain a top level array of IPFS hashes. These hashes represent the files that this peer wishes to have mirrored.
  3. Each of these hashes is pinned.

How to ask others to mirror your IPFS content

Create a directory to contain your IPFS manifest JSON files.

$ mkdir ~/ipfs-manifests

In this directory, create any number of *.json files. These files should contain a single top level array of IPFS file hashes.

// manifest1.json
[
    "QmYwxuzozCBSD3FLP5Rg1pAXA4qjDtNrdGjyNzqEtr8TKu",
    "QmTrXyK24CAymWj5eATjxrisc8QaJocnGSY11BFFDEvqtH"
]

Add this file into IPFS

$ ipfs add -r ipfs-manifests
added QmPSM44WZ6rFW7d81pMQYG7BzDJRjhrWh7s69dTUpgmtRY ipfs-manifests/manifest-1.json
added QmbsC66VNjNdBU8simUfmxj2dUdpyWgkJKRiVBxBE9sBXQ ipfs-manifests

Take the hash associated with the ~/ipfs-manifests directory and publish it on IPNS

$ ipfs name publish QmbsC66VNjNdBU8simUfmxj2dUdpyWgkJKRiVBxBE9sBXQ
Published to QmP24Zx4uEh1ZhmPsERb4ZwBDVdXjHiFqRSkHyqeSJQEsW: QmbsC66VNjNdBU8simUfmxj2dUdpyWgkJKRiVBxBE9sBXQ

Give other members your IPFS id and ask them to add it to their peers list. You can get this your IPFS id with:

{
    "ID": "QmfGr14Jmu3fUvN74MGG7C8Av8buDbtLVK7Bs4yiaS4chX",
    "PublicKey": "CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCQxRzWJvimlHD0sHY8+n5X4TYhj2tNLVfiJZLJz1vZRMwSTqgmMyrFEh2o+4B21EtfR6tf0eKLwUerfPR0DUWRjJv4YL1+SidNxESsqIaENPBsaLwhGRFXM3PYeW+UjlTjrEybOf2cCY1h8+9XrlCMLHPROzS+QHbAW4Elz7CfqmbMbhDVXEuIVkDQxvXPVgVQEFwkKYexwfHbeLa2n5WTunsSec6GlEUfbwQOlmb/iMYfu2HfPztmwS1wXk1d4WvsUiB53gqljp7jsTPaE5YD4wyyUlQDeulO1zCdDjq2gQDxjtZ0fUzLfJU3dsdnpPcP1KQzvvSEAxNedjAsRRQTAgMBAAE=",
    "Addresses": [
        "/ip4/127.0.0.1/tcp/4001/ipfs/QmfGr14Jmu3fUvN74MGG7C8Av8buDbtLVK7Bs4yiaS4chX",
        "/ip4/10.0.1.48/tcp/4001/ipfs/QmfGr14Jmu3fUvN74MGG7C8Av8buDbtLVK7Bs4yiaS4chX"
    ],
    "AgentVersion": "go-ipfs/0.4.0-dev",
    "ProtocolVersion": "ipfs/0.1.0"
}

Setting up an EC2 instance running ipfs

EC2_setup.md