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add env var 'NIXOPS_SSH_OPTS' #1230

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@erikarvstedt erikarvstedt commented Feb 26, 2020

I'd like to use nixops for unattended local deployments that don't
write to the local $HOME/.ssh config.

There are two ways to achieve this:

  • Running nixops in a mount namespace and bind-mounting $HOME/.ssh, which
    is cumbersome and requires root permissions on most systems.
    Bind-mounting is needed because openssh doesn't respect the HOME
    env var.
  • Adding options to the ssh command used by nixops. This is enabled by this PR.
@erikarvstedt erikarvstedt force-pushed the erikarvstedt:ssh-opts-env-var branch 2 times, most recently from 5add340 to 57dfa84 Mar 1, 2020
@erikarvstedt erikarvstedt force-pushed the erikarvstedt:ssh-opts-env-var branch from 57dfa84 to df0b30f Mar 1, 2020
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@grahamc grahamc commented Mar 26, 2020


Thank you for this PR.

In the past several months, some major changes have taken place in

  1. Backends have been removed, preferring a plugin-based architecture.
    Here are some of them:

  2. NixOps Core has been updated to be Python 3 only, and at the
    same time, MyPy type hints have been added and are now strictly
    required during CI.

This is all accumulating in to what I hope will be a NixOps 2.0
. There is a tracking issue for that:
#1242 . It is possible that
more core changes will be made to NixOps for this release, with a
focus on simplifying NixOps core and making it easier to use and work

My hope is that by adding types and more thorough automated testing,
it will be easier for contributors to make improvements, and for
contributions like this one to merge in the future.

However, because of the major changes, it has become likely that this
PR cannot merge right now as it is. The backlog of now-unmergable PRs
makes it hard to see which ones are being kept up to date.

If you would like to see this merge, please bring it up to date with
master and reopen it
. If the or mypy type checking fails, please
correct any issues and then reopen it. I will be looking primarily at
open PRs whose tests are all green.

Thank you again for the work you've done here, I am sorry to be
closing it now.


@grahamc grahamc closed this Mar 26, 2020
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