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2 Commits

Author SHA1 Message Date
Sebastiaan van Stijn 51de9a883a
bump golang.org/x/crypto 88737f569e3a9c7ab309cdc09a07fe7fc87233c3
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-05-13 21:49:19 -07:00
Akihiro Suda db7399a016 build: add SSH agent socket forwarder (`docker build --ssh $SSHMOUNTID=$SSH_AUTH_SOCK`)
Unlike `docker build --secret`, `docker build --ssh` allows the build container to
use SSH keys with passphrases.

  $ eval $(ssh-agent)
  $ ssh-add ~/.ssh/id_rsa
  (Input your passphrase here)
  $ docker build --ssh default=$SSH_AUTH_SOCK ...

This feature requires the daemon with `CapExecMountSSH` build capability (moby/moby#37973) .

Currently, the official Dockerfile frontend does not provide the syntax for using the SSH forwarder.

However, the experimental `RUN --mount=type=ssh` syntax can be enabled by using
the Dockerfile frontend image built with the `BUILDTAGS="dfrunmount dfssh"`, via the `# syntax =` "shebang".

The Dockerfile for the Dockerfile frontend is available at  github.com/moby/buildkit/frontend/dockerfile/cmd/dockerfile-frontend)
The pre-built image is also available as `tonistiigi/dockerfile:ssh20181002` .

An example Dockerfile with `RUN --mount=type=ssh`:

  # syntax = tonistiigi/dockerfile:ssh20181002
  FROM alpine
  RUN apk add --no-cache openssh-client
  RUN mkdir -p -m 0700 ~/.ssh && ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
  RUN --mount=type=ssh ssh git@gitlab.com | tee /hello
  # "Welcome to GitLab, @GITLAB_USERNAME_ASSOCIATED_WITH_SSHKEY" should be printed here

More info available at moby/buildkit#608, moby/buildkit#655

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2018-10-05 19:56:32 +09:00