Secure Execution is a confidential computing technology on s390x (IBM Z
& LinuxONE). Enable the correspondent virtualization technology in QEMU
(where it is referred to as "Protected Virtualization").
- Introduce enableProtection and appendProtectionDevice functions for
QEMU s390x.
- Introduce CheckCmdline to check for "prot_virt=1" being present on the
kernel command line.
- Introduce CPUFacilities and avilableGuestProtection for hypervisor
s390x to check for CPU support.
Fixes: #1771
Signed-off-by: Jakob Naucke <jakob.naucke@ibm.com>
Previously, all consts were in single lines in
virtcontainers/qemu_s390x.go. Put them into a const block.
Signed-off-by: Jakob Naucke <jakob.naucke@ibm.com>
In some distros (Ubuntu 18 and 20) it's not possible to clone meson
and QEMU dependencies from https://git.qemu.org due to problems with
its certificates, let's pull these dependencies from github before
building QEMU.
fixes#1965
Signed-off-by: Julio Montes <julio.montes@intel.com>
This PR updates the correct url for github actions as well as it
corrects a misspelling.
Fixes#1960
Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>
See also: little-dude/netlink#165
Fixes: #1952
Because the author of netlink has no time to maintain the crate
(https://github.com/little-dude/netlink/issues/161), so we
need to switch the dependency to github temporarily.
Signed-off-by: Tim Zhang <tim@hyper.sh>
Trace spans erroneously set the network model to default in all cases.
Add function to return network model string and use it to set attribute
in spans.
Fixes#1878
Signed-off-by: Chelsea Mafrica <chelsea.e.mafrica@intel.com>
Add sandbox, container, and hypervisor IDs to trace spans. Note that
some spans in sandbox.go are created with a trace() call from api.go.
These spans have additional attributes set after span creation to
overwrite the api attributes.
Fixes#1878
Signed-off-by: Chelsea Mafrica <chelsea.e.mafrica@intel.com>
Implement an openTelemetry custom exporter that sends trace spans to a
VSOCK socket. A VSOCK-to-span converter (such as the Kata trace
forwarder) needs to be running on the host to allow systems like Jaeger
to capture the trace spans.
By default, tracing is not enabled (meaning a NOP tracer is used). To
activate tracing, set the `agent.kata.enable_tracing=true` in the
configuration file.
The type of tracing this change introduces is "static isolated"
tracing. See [1] for further details.
> **Note:**
>
> This change only provides the foundational changes for agent
> tracing work. The feature is _not_ yet complete since it does
> not yet show the correct trace hierarchy.
Fixes: #60.
[1] - https://github.com/kata-containers/agent/blob/master/TRACING.md
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
Export proc stats for virtiofsd.
This commit only adds for hypervisors that have support for it.
- qemu
- cloud-hypervisor
Fixes: #1926
Signed-off-by: Carlos Venegas <jos.c.venegas.munoz@intel.com>
It is in real life usage as we put non constrained sandbox processes
(like shim) in a separate cgroup path.
Fixes: #1944
Signed-off-by: Peng Tao <bergwolf@hyper.sh>
CloudHypervisor is using virtiofsd.go to manage virtiofsd process,
but qemu has its code in qemu.go. This commit let qemu to re-use
code in virtiofsd.go to reduce code and improve maintenanceability.
Fixes: #1933
Signed-off-by: bin <bin@hyper.sh>
When update memory limit, we should adapt the write sequence
for memory and swap memory, so it won't fail because
the new value and the old value don't fit kernel's
validation.
Fixes: #1917
Signed-off-by: fupan.lfp <fupan.lfp@antgroup.com>
The Rust standard library had suppressed the default SIGPIPE
behavior, see https://github.com/rust-lang/rust/pull/13158.
Since the parent's signal handler would be inherited by it's child
process, thus we should re-enable the standard SIGPIPE behavior as a
workaround.
Fixes: #1887
Signed-off-by: fupan.lfp <fupan.lfp@antgroup.com>
Span attributes (tags) are not consistent in runtime tracing, so
designate and use core attributes such source, package, subsystem, and
type as span metadata for more understandable output.
Use WithAttributes() during span creation to reduce calls to
SetAttributes().
Modify Trace() in katautils to accept slice of attributes so multiple
functions using different attributes can use it.
Fixes#1852
Signed-off-by: Chelsea Mafrica <chelsea.e.mafrica@intel.com>
In kata-runtime check sub-command, checks cgroups and SandboxCgroupOnly
to show message if the SandboxCgroupOnly is not set to true
and cgroup v2 is used.
Fixes: #1927
Signed-off-by: bin <bin@hyper.sh>
Use the tracing crate to create automatic trace spans for the _majority_
of top-level modules.
Note that not all functions in the top-level modules can be traced:
- Some functions cannot be traced due to the requirement that all
function parameters implement the `Debug` trait. In some cases (such
as `netlink.rs`), objects are being passed that are defined in
different crates and which do not implement `Debug`.
- Some functions may never return (`signal.rs`).
- Some functions are inlined.
- Some functions are very simple getter/setter functions.
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
This commit will fix two problems:
- Virtiofsd process ID returned to the caller will always be 0,
the pid var is never being assigned a value.
- Socket listen fd may leak in case of failure of starting virtiofsd process.
This is a port of be9ca0d58bFixes: #1931
Signed-off-by: bin <bin@hyper.sh>
Protected Execution Facility(PEF) is the confidential computing
technology on ppc64le. This PR adds the support for it in Kata.
Also re-vendor govmm for the latest changes.
Fixes: #1881
Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>
The --skip-preflight-checks flag has been deprecated in the Kubernetes v1.9
and removed from Kubernetes v1.12.
We should use --ignore-preflight-errors=all flag instead of --skip-preflight-checks.
Fixes: #1919
Signed-off-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
