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Author SHA1 Message Date
Eng Zer Jun
c55a4ac779
refactor: move from io/ioutil to io and os package
The io/ioutil package has been deprecated in Go 1.16. This commit
replaces the existing io/ioutil functions with their new definitions in
io and os packages.

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
2021-08-27 14:56:57 +08:00
Sebastiaan van Stijn
9f0b3f5609
bump gotest.tools v3.0.1 for compatibility with Go 1.14
full diff: https://github.com/gotestyourself/gotest.tools/compare/v2.3.0...v3.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2020-02-11 00:06:42 +01:00
Sebastiaan van Stijn
07ff4f1de8
goimports: fix imports
Format the source according to latest goimports.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-09-18 12:56:54 +02:00
Jean Rouge
7fdac7eb0f Making it possible to pass Windows credential specs directly to the engine
Instead of having to go through files or registry values as is currently the
case.

While adding GMSA support to Kubernetes (https://github.com/kubernetes/kubernetes/pull/73726)
I stumbled upon the fact that Docker currently only allows passing Windows
credential specs through files or registry values, forcing the Kubelet
to perform a rather awkward dance of writing-then-deleting to either the
disk or the registry to be able to create a Windows container with cred
specs.

This patch solves this problem by making it possible to directly pass
whole base64-encoded cred specs to the engine's API. I took the opportunity
to slightly refactor the method responsible for Windows cred spec as it
seemed hard to read to me.

Added some unit tests on Windows credential specs handling, as there were
previously none.

Added/amended the relevant integration tests.

I have also tested it manually: given a Windows container using a cred spec
that you would normally start with e.g.
```powershell
docker run --rm --security-opt "credentialspec=file://win.json" mcr.microsoft.com/windows/servercore:ltsc2019 nltest /parentdomain
# output:
# my.ad.domain.com. (1)
# The command completed successfully
```
can now equivalently be started with
```powershell
$rawCredSpec = & cat 'C:\ProgramData\docker\credentialspecs\win.json'
$escaped = $rawCredSpec.Replace('"', '\"')
docker run --rm --security-opt "credentialspec=raw://$escaped" mcr.microsoft.com/windows/servercore:ltsc2019 nltest /parentdomain
# same output!
```

I'll do another PR on Swarmkit after this is merged to allow services to use
the same option.

(It's worth noting that @dperny faced the same problem adding GMSA support
to Swarmkit, to which he came up with an interesting solution - see
https://github.com/moby/moby/pull/38632 - but alas these tricks are not
available to the Kubelet.)

Signed-off-by: Jean Rouge <rougej+github@gmail.com>
2019-03-15 19:20:19 -07:00