CRI container runtimes mount devices (set via kubernetes device plugins)
to containers by taking the host user/group IDs (uid/gid) to the
corresponding container device.
This triggers a problem when trying to run those containers with
non-zero (root uid/gid = 0) uid/gid set via runAsUser/runAsGroup:
the container process has no permission to use the device even when
its gid is permissive to non-root users because the container user
does not belong to that group.
It is possible to workaround the problem by manually adding the device
gid(s) to supplementalGroups. However, this is also problematic because
the device gid(s) may have different values depending on the workers'
distro/version in the cluster.
This patch suggests to take RunAsUser/RunAsGroup set via SecurityContext
as the device UID/GID, respectively. The feature must be enabled by
setting device_ownership_from_security_context runtime config value to
true (valid on Linux only).
Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>
Currently, containerd doesn't restart pull when it encounters unexpected EOF of
blob strem withtout error codes.
There are cases where this lead to pull failure.
This commit tries to fix this issue.
Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
The Windows Default matcher also checks the the OS Version prefix,
however, the platforms.DefaultSpec does not include it, which means
that it won't match the matcher.
This solves the issue by adding the OS Version to the DefaultSpec.
Signed-off-by: Claudiu Belu <cbelu@cloudbasesolutions.com>
Go 1.15.7 contained a security fix for CVE-2021-3115, which allowed arbitrary
code to be executed at build time when using cgo on Windows. This issue also
affects Unix users who have “.” listed explicitly in their PATH and are running
“go get” outside of a module or with module mode disabled.
This issue is not limited to the go command itself, and can also affect binaries
that use `os.Command`, `os.LookPath`, etc.
From the related blogpost (ttps://blog.golang.org/path-security):
> Are your own programs affected?
>
> If you use exec.LookPath or exec.Command in your own programs, you only need to
> be concerned if you (or your users) run your program in a directory with untrusted
> contents. If so, then a subprocess could be started using an executable from dot
> instead of from a system directory. (Again, using an executable from dot happens
> always on Windows and only with uncommon PATH settings on Unix.)
>
> If you are concerned, then we’ve published the more restricted variant of os/exec
> as golang.org/x/sys/execabs. You can use it in your program by simply replacing
This patch replaces all uses of `os/exec` with `golang.org/x/sys/execabs`. While
some uses of `os/exec` should not be problematic (e.g. part of tests), it is
probably good to be consistent, in case code gets moved around.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
There was recent changes to cri to bring in a Windows section containing a
security context object to the pod config. Before this there was no way to specify
a user for the pod sandbox container to run as. In addition, the security context
is a field for field mirror of the Windows container version of it, so add the
ability to specify a GMSA credential spec for the pod sandbox container as well.
Signed-off-by: Daniel Canter <dcanter@microsoft.com>
full diff: https://github.com/pelletier/go-toml/compare/v1.8.1...v1.9.3
- v1.9.3: Clarify license and comply with Apache 2.0
- v1.9.2: Add Encoder.CompactComments to omit extra new line
- v1.9.1: Fix empty trees line counting
v1.9.0
-------------------
The highlight of this version is that the whole toml.Tree structure has been made
public in a backward compatible way. This allows everyone using v1.x to fully
access the data and metadata in the tree to extend the library.
This is hopefully the last release in the v1.x track, as go-toml v2 is the main
focus of development.
What's new
- TOML 1.0.0-rc.3
- Improved default tag for durations
- Provide Tree and treeValue public aliases
- Expose MarshalOrder
- Value string representation public function
Fixed bugs
- Do not allow T-prefix on local dates
- toml.Unmarshaler supports leaf nodes
- Fix date lexer to only support 4-digit year
- Fix ToMap for tables in mixed-type arrays
- Fix ToMap for tables in nested mixed-type arrays
- Support literal multiline marshal
Performance
- Remove date regexp
- Remove underscore regexps
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Exclude the `security.selinux` xattr when copying content from layer
storage for image volumes. This allows for the already correct label
at the target location to be applied to the copied content, thus
enabling containers to write to volumes that they implicitly expect to be
able to write to.
- Fixescontainerd/containerd#5090
- See rancher/rke2#690
Signed-off-by: Jacob Blain Christen <jacob@rancher.com>
- task.Kill() might fail in theory
- Giving a longer timeout may help us understand whether the failure is
a timing issue or not.
Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
Go 1.17 go mod download step (used to handle the separate integration
go.mod) seems to do a lot more work/validation than prior Go releases,
requiring more time for integration runs.
Signed-off-by: Phil Estes <estesp@amazon.com>
Refactor shim v2 to load and register plugins.
Update init shim interface to not require task service implementation on
returned service, but register as plugin if it is.
Signed-off-by: Derek McGowan <derek@mcg.dev>
