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Merge pull request #6554 from Caian/feat/docker-swarm-key-vars

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Add swarm key variables to container daemon
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Steven Allen 2019-08-07 16:51:08 -07:00 committed by GitHub
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9
README.md
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@ -338,6 +338,15 @@ When starting a container running ipfs for the first time with an empty data dir
docker run -d --name ipfs_host -e IPFS_PROFILE=server -v $ipfs_staging:/export -v $ipfs_data:/data/ipfs -p 4001:4001 -p 127.0.0.1:8080:8080 -p 127.0.0.1:5001:5001 ipfs/go-ipfs:latest
It is possible to initialize the container with a swarm key file (`/data/ipfs/swarm.key`) using the variables `IPFS_SWARM_KEY` and `IPFS_SWARM_KEY_FILE`. The `IPFS_SWARM_KEY` creates `swarm.key` with the contents of the variable itself, whilst `IPFS_SWARM_KEY_FILE` copies the key from a path stored in the variable. The `IPFS_SWARM_KEY_FILE` **overwrites** the key generated by `IPFS_SWARM_KEY`.
docker run -d --name ipfs_host -e IPFS_SWARM_KEY=<your swarm key> -v $ipfs_staging:/export -v $ipfs_data:/data/ipfs -p 4001:4001 -p 127.0.0.1:8080:8080 -p 127.0.0.1:5001:5001 ipfs/go-ipfs:latest
The swarm key initialization can also be done using docker secrets **(requires docker swarm or docker-compose)**:
cat your_swarm.key | docker secret create swarm_key_secret -
docker run -d --name ipfs_host --secret swarm_key_secret -e IPFS_SWARM_KEY_FILE=/run/secrets/swarm_key_secret -v $ipfs_staging:/export -v $ipfs_data:/data/ipfs -p 4001:4001 -p 127.0.0.1:8080:8080 -p 127.0.0.1:5001:5001 ipfs/go-ipfs:latest
### Troubleshooting
If you have previously installed IPFS before and you are running into problems getting a newer version to work, try deleting (or backing up somewhere else) your IPFS config directory (~/.ipfs by default) and rerunning `ipfs init`. This will reinitialize the config file to its defaults and clear out the local datastore of any bad entries.

27
bin/container_daemon
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@ -24,6 +24,33 @@ else
ipfs init $INIT_ARGS
ipfs config Addresses.API /ip4/0.0.0.0/tcp/5001
ipfs config Addresses.Gateway /ip4/0.0.0.0/tcp/8080
# Set up the swarm key, if provided
SWARM_KEY_FILE="$repo/swarm.key"
SWARM_KEY_PERM=0400
# Create a swarm key from a given environment variable
if [ ! -z "$IPFS_SWARM_KEY" ] ; then
echo "Copying swarm key from variable..."
echo -e "$IPFS_SWARM_KEY" >"$SWARM_KEY_FILE" || exit 1
chmod $SWARM_KEY_PERM "$SWARM_KEY_FILE"
fi
# Unset the swarm key variable
unset IPFS_SWARM_KEY
# Check during initialization if a swarm key was provided and
# copy it to the ipfs directory with the right permissions
# WARNING: This will replace the swarm key if it exists
if [ ! -z "$IPFS_SWARM_KEY_FILE" ] ; then
echo "Copying swarm key from file..."
install -m $SWARM_KEY_PERM "$IPFS_SWARM_KEY_FILE" "$SWARM_KEY_FILE" || exit 1
fi
# Unset the swarm key file variable
unset IPFS_SWARM_KEY_FILE
fi
exec ipfs "$@"