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Co-authored-by: James Sturtevant <jsturtevant@gmail.com>
Co-authored-by: Tim Bannister <tim@scalefactory.com>
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Mark Rossetti 2022-12-05 11:32:52 -08:00 committed by GitHub
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content/en/blog/_posts/2022-12-12-host-process-containers-stable/index.md
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@ -18,7 +18,7 @@ or even deploying monitoring tools such as a Prometheus exporter, HostProcess co
enable you to do it all with minimal effort.
You can create your own ultra-thin HostProcess container image to be run directly as
a process on the host directly after spinning up a new node. All you need to do is define
a process on the host directly after creating up a new windows node. You can now package your powershell scripts
it into a container, and have Kubernetes
deploy the workload automatically. It removes the need to exec into the node or configure
your cloud provider's virtual machine management tooling to perform these administrative actions.
@ -42,7 +42,7 @@ the host, along with privileged helper Pods, so that communication with your Win
in containers happens within the bounds of a secure pipeline.
Until now, scenarios common to Linux privileged containers, such as kube-proxy (via kubeadm),
storage, and networking, all required proxy solutions to enable functionality on Windows.
storage, and networking, all required alternative solutions to enable functionality on Windows.
With HostProcess containers, users have direct access to the node without the need for
any workarounds. Gone are the days where cluster operators would need to manually log onto
Windows nodes to perform administrative duties.
@ -51,7 +51,7 @@ Windows nodes to perform administrative duties.
Windows HostProcess containers are implemented with Windows _Job Objects_, a break from the
previous container model using server silos. Job objects are components of the Windows OS which offer the ability to
manage a group of processes as a group (a.k.a. _jobs_) and assign resource constraints to the
manage a group of processes as a group (also known as a _job_) and assign resource constraints to the
group as a whole. Job objects are specific to the Windows OS and are not associated with
the Kubernetes [Job API](/docs/concepts/workloads/controllers/job/). They have no process
or file system isolation,