67 lines
2.8 KiB
Text
67 lines
2.8 KiB
Text
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[[!comment format=mdwn
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username="matei.david@d6acba23dba331f26fc4756d01c7ab65cf3aee4d"
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nickname="matei.david"
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subject="A more detailed walkthrough"
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date="2016-06-03T18:48:11Z"
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content="""
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I want to use a recent `git-annex` version, and I prefer a Docker solution to a binary. There wasn't much documentation on how to do that, so here are the steps I took, just in case anybody finds this information useful. This is not a complete guide, just more than I was able to find so far.
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- Install Docker so that you can access it (eg, `docker info`) without `sudo`. (Beyond the scope in here.)
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- Create a git-annex image as follows:
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Dockerfile:
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FROM debian:unstable
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RUN apt-get update && apt-get install -y ssh git man git-annex=6.20160511-1
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# maybe install gpg2, other remotes, etc
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#RUN apt-get install -y gnupg2 && ln -s /usr/bin/gpg2 /usr/local/bin/gpg
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#RUN apt-get install -y golang-go && GOPATH=/usr/local go get github.com/encryptio/git-annex-remote-b2
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VOLUME /data
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WORKDIR /data
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Build image and run basic test:
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docker build -t git-annex-6.20160511-1 .
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docker run -it --rm git-annex-6.20160511-1 git-annex version
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- You still need to:
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- On host: Replace `git-annex` by a script that invokes the Dockerized version.
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- In container:
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- Use non-root uids, otherwise you end up creating files with uid 0.
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- Access `ssh` and `gpg` credentials on host.
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- Access `~/.gitconfig` on host.
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- Mount `git` repository root as a volume, not just the current dir.
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- Access AWS/B2 credentials, if applicable.
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Here is a sample script that achieves these. Name it `git-annex`, and place it in your `PATH` before the host `git-annex` (or just uninstall the latter).
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#!/bin/bash
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CONT_NAME=${CONT_NAME:-git-annex-6.20160511-1}
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# if in git repo, mount root as /data, and cd into relative subdir
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# if not, mount cwd as /data
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abs_dir=$(readlink -e .)
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root_dir=$(git rev-parse --show-toplevel 2>/dev/null || true)
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root_dir=${root_dir:-$abs_dir}
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rel_dir=${abs_dir#$root_dir}
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# if run by git, assume command is git-annex
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# otherwise, don't assume, to allow other uses
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cmd=
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! [ \"$(basename \"$(readlink -e /proc/$PPID/exe)\")\" = \"git\" ] || cmd=git-annex
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exec docker run -it --rm \
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-u $(id -u):$(id -g) \
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-v /etc/passwd:/etc/passwd:ro \
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-v $HOME/.ssh:$HOME/.ssh \
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-v $HOME/.gnupg:$HOME/.gnupg \
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-v $HOME/.gitconfig:$HOME/.gitconfig \
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-v \"$root_dir\":/data \
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${AWS_ACCESS_KEY_ID:+-e AWS_ACCESS_KEY_ID=\"$AWS_ACCESS_KEY_ID\"} \
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${AWS_SECRET_ACCESS_KEY:+-e AWS_SECRET_ACCESS_KEY=\"$AWS_SECRET_ACCESS_KEY\"} \
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${B2_ACCOUNT_ID:+-e B2_ACCOUNT_ID=\"$B2_ACCOUNT_ID\"} \
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${B2_APP_KEY:+-e B2_APP_KEY=\"$B2_APP_KEY\"} \
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-w /data\"$rel_dir\" \
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$CONT_NAME $cmd \"$@\"
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"""]]
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