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kubelet: Don't attempt to apply the oom score if container exited already
Containers could terminate before kubelet applies the oom score. This is normal
and the function should not error out.
This addresses #25844 partially.
/cc @smarterclayton @Random-Liu
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Fixes panic on round tripper when TLS under a proxy
When under a proxy with a valid cert from a trusted authority, the `SpdyRoundTripper` will likely not have a `*tls.Config` (no cert verification nor `InsecureSkipVerify` happened), which will result in a panic. So we have to create a new `*tls.Config` to be able to create a TLS client right after. If `RootCAs` in that new config is nil, the system pool will be used.
@ncdc PTAL
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SchedulerPredicates e2e test: be more verbose about requested resource
When ``validates resource limits of pods that are allowed to run [Conformance]`` test is run, logs could give more information about requested resource and say it is for cpu and in mili units.
cpu is stored in m units here:
```
nodeToCapacityMap[node.Name] = capacity.MilliValue()
```
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NodeController doesn't evict Pods if no Nodes are Ready
Fix#13412#24597
When NodeControllers don't see any Ready Node it goes into "network segmentation mode". In this mode it cancels all evictions and don't evict any Pods.
It leaves network segmentation mode when it sees at least one Ready Node. When leaving it resets all timers, so each Node has full grace period to reconnect to the cluster.
cc @lavalamp @davidopp @mml @wojtek-t @fgrzadkowski
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Fix JENKINS_USE_SKEW_KUBECTL
I got this logic wrong; the first is a NOT comparison, so the second should only be available if that NOT comparison returns true.
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Add a timeout to the node e2e Ginkgo test runner
Also add a few debugging statements to indicate progress.
Should help prevent #25639, since we'll timeout tests before Jenkins times out the build.
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Cassandra examples updating images to v9
- this is a version bump for the C* image
- I also increased the cpu to .5 because .1 is slow like warm death
Who can actually run the build to get the container to the examples repo?
The binder sorts all available volumes first, then it filters out volumes
that cannot be bound by processing each volume in a loop and then finds
the smallest matching volume by binary search.
So, if we process every available volume in a loop, we can also remember the
smallest matching one and save us potentially long sorting (and quick binary
search).
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Downward API proposal for resources (cpu, memory) limits and requests
Proposal to address #9473
This PR proposes three approaches to expose values of resource limits and requests as env vars and volumes.This proposal has details about merits and demerits of each approach, and I am looking for community feedback regarding which one (or may more than one) we would like to go with. Also would like to know if there is any other approach.
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Now that GCI (Google Container-VM Image) is out, we will start running e2e tests
with it instead of Ubuntu Trusty. This change updates `e2e-runner.sh` to replace
the Trusty related logic with GCI.
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systemd node spec proposal
The following outlines changes that I want to make to the ```kubelet``` in order to better integrate with ```systemd``` systems, and to better isolate containers in their own ```cgroup``` based on the qos tier.
I think this is a precursor to getting more intelligent low compute resource eviction.
/cc @smarterclayton @ncdc @pmorie @dchen1107 @vishh @bgrant0607
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