This patch hard-codes support for NVIDIA GPUs.
In a future patch it should move out into its own Device Plugin.
Signed-off-by: Tibor Vass <tibor@docker.com>
Running a cluster in a two-manager configuration effectively *doubles*
the chance of loosing control over the cluster (compared to running
in a single-manager setup). Users may have the assumption that having
two managers provides fault tolerance, so it's best to warn them if
they're using this configuration.
This patch adds a warning to the `info` response if Swarm is configured
with two managers:
WARNING: Running Swarm in a two-manager configuration. This configuration provides
no fault tolerance, and poses a high risk to loose control over the cluster.
Refer to https://docs.docker.com/engine/swarm/admin_guide/ to configure the
Swarm for fault-tolerance.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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>
the containerd errdefs functions have the same name as the
docker errdefs, but their types use a different signature;
use an alias to prevent them from being mistaken for the
docker errdefs equivalents.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
looks like we don't need this handling
Before this patch:
Error: No such image: nosuchimage
After this patch:
Error response from daemon: No such image: nosuchimage:latest
"
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This utility allows a client to convert an API response
back to a typed error; allowing the client to perform
different actions based on the type of error, without
having to resort to string-matching the error.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Also removed the `-stretch` suffix, because Debian Stretch
is the default base-image now, so there should be no need
to keep the suffix
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
