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c838614b6ce30604a8b4b0b0cb34a3a0555e6572
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408 Commits

Author SHA1 Message Date
Jan Chaloupka
c838614b6c EvictPod: stop returning an error 
When an error is returned a strategy either stops completely or starts
processing another node. Given the error can be a transient error or
only one of the limits can get exceeded it is fair to just skip a
pod that failed eviction and proceed to the next instead.

In order to optimize the processing and stop earlier, it is more
practical to implement a check which will say when a limit was
exceeded.
 2022-06-17 10:12:57 +02:00
Jan Chaloupka
cc49f9fcc2 Drop node parameter from EvictPod 
The method uses the node object to only get the node name.
The node name can be retrieved from the pod object.

Some strategies might try to evict a pod in Pending state which
does not have the .spec.nodeName field set. Thus, skipping
the test for the node limit.
 2022-06-17 10:10:25 +02:00
Jan Chaloupka
d5ee855221 Pass the strategy name into evictor through context 2022-06-16 16:32:13 +02:00
Kubernetes Prow Robot
b2418ef481 Merge pull request #847 from ingvagabund/split-pod-evictor-and-evictor-filter 
Split pod evictor and evictor filter
 2022-06-16 07:22:49 -07:00
Kubernetes Prow Robot
1f1aad335a Merge pull request #856 from a7i/pod-sort-age-random 
remove random creation timestamp from pod sort by age test
 2022-06-16 01:18:49 -07:00
Lucas Severo Alves
30c972e49e change namespaceTopologySpreadConstraints from map to slice 2022-06-15 14:54:56 +02:00
Amir Alavi
a7cfb25e9b remove random creation timestamp from pod sort by age test 2022-06-14 23:28:58 -04:00
Lucas Severo Alves
dad3db3187 Check existing constraints before assigning 2022-06-14 10:43:59 +02:00
Jan Chaloupka
d2130747d8 Split pod evictor and evictor filter 2022-06-13 18:48:05 +02:00
Amir Alavi
311d75223f PodLifeTime: sort pods by creation timestamp 2022-06-06 21:49:24 -04:00
Amir Alavi
3cc0a68f13 lownodeutilization: clarify comments and variable naming for underutilized vs. overutilized 2022-06-01 11:39:38 -04:00
Amir Alavi
8e1d35cb3c Revert "cleanup lownodeutilization code" 2022-06-01 11:28:09 -04:00
Kubernetes Prow Robot
59c4904ddc Merge pull request #805 from xiaoanyunfei/cleanup/lownodeutilization 
cleanup lownodeutilization code
 2022-06-01 07:45:02 -07:00
Mike Dame
af45591c25 Fix version command to parse helm chart tags 2022-05-31 17:39:08 +00:00
sunxiaofei
5e3b825427 cleanup lownodeutilization code 2022-05-23 17:20:35 +08:00
Mike Dame
6e84d0a6ba React to removal of offensive language 
https://github.com/kubernetes/kubeadm/issues/2200 went into effect in 1.24, so
e2es broke without the update.
 2022-05-12 15:35:07 +00:00
Mike Dame
fb1df468ad golint fix 2022-05-12 14:21:34 +00:00
Jan Chaloupka
3eca2782d4 Addressing review comments 
Both LowNode and HighNode utilization strategies evict only as many pods
as there's free resources on other nodes. Thus, the resource fit test
is always true by definition.
 2022-04-28 18:54:54 +02:00
RyanDevlin
16eb9063b6 NodeFit parameter now considers pod requests 2022-04-28 10:16:52 +02:00
Kubernetes Prow Robot
406e3ed5b3 Merge pull request #771 from dineshbhor/fix-highnodeutilization-node-sorting 
Sort nodes in ascending order for HighNodeUtilization
 2022-03-29 02:58:47 -07:00
dineshbhor
7589aaf00b Sort nodes in ascending order for HighNodeUtilization 2022-03-29 17:54:18 +09:00
Kubernetes Prow Robot
238eebeaca Merge pull request #722 from Dentrax/feature/leaderelection 
feat(leaderelection): impl leader election for HA Deployment
 2022-03-28 09:39:23 -07:00
Kubernetes Prow Robot
cf59d08193 Merge pull request #751 from HelmutLety/redo_#473 
feat: Add DeviationThreshold Paramter for LowNodeUtilization, (Previous attempt - #473 )
 2022-03-28 03:53:24 -07:00
HelmutLety
2ea65e69dc feat(LowNodeUtilization): useDeviationThresholds, redo of #473 
[751]: normalize Percentage in nodeutilization and clean the tests
 2022-03-28 12:35:01 +02:00
Jacob Henner
ac3362149b Add RemovePodsViolatingNodeTaints taint exclusion 
Add taint exclusion to RemovePodsViolatingNodeTaints. This permits node
taints to be ignored by allowing users to specify ignored taint keys or
ignored taint key=value pairs.
 2022-03-27 13:48:40 -04:00
Furkan
0a52af9ab8 feat(leaderelection): impl leader election 
Signed-off-by: Furkan <furkan.turkal@trendyol.com>
Signed-off-by: eminaktas <eminaktas34@gmail.com>
Co-authored-by: Emin <emin.aktas@trendyol.com>
Co-authored-by: Yasin <yasintaha.erol@trendyol.com>
 2022-03-25 14:33:14 +03:00
Kubernetes Prow Robot
07bbdc61c4 Merge pull request #762 from ingvagabund/nodeutilization-refactor 
Promote NodeUsage to NodeInfo, evaluate thresholds separately
 2022-03-15 17:33:48 -07:00
Jan Chaloupka
285523f0d9 RemovePodsViolatingNodeTaints: optionally include PreferNoSchedule taint 2022-03-14 16:46:03 +01:00
Jan Chaloupka
52ff50f2d1 Promote NodeUsage to NodeInfo, evaluate thresholds separately 2022-03-11 13:52:37 +01:00
Jan Chaloupka
8ebf3fb323 nodeutilization: move node resource threshold value computation under a separate function 2022-03-11 12:46:11 +01:00
prune
448dc4784c add conflicting taint to the logs 
log when count mismatch


simplified logic to log blocking taints
 2022-03-10 08:05:42 -05:00
Kubernetes Prow Robot
54c50c5390 Merge pull request #731 from jklaw90/fix-ctx-cron 
Bugfix: Cronjob ctx cancel
 2022-02-22 11:35:18 -08:00
Julian Lawrence
a2cbc25397 updated to handle cronjob flow 2022-02-22 08:52:06 -08:00
Julian Lawrence
224e2b078f updated logs to help with debugging 2022-02-14 18:27:53 -08:00
Julian Lawrence
1a98a566b3 adding cancelation from sigint sigterm 2022-01-25 00:10:09 -08:00
Jan Chaloupka
203388ff1a Evictor: report successful eviction independently of the dry-mode 
Dry mode currently does not report metrics when the eviction succeeds
 2022-01-20 21:23:19 +01:00
Jan Chaloupka
901a16ecbc Do not collect the metrics when the metrics server is not enabled 2022-01-20 17:04:15 +01:00
Jan Chaloupka
e0f086ff85 Use a fake client when evicting pods by individual strategies to accumulate the evictions 
Currently, when the descheduler is running with the --dry-run on, no strategy actually
evicts a pod so every strategy always starts with a complete list of
pods. E.g. when the PodLifeTime strategy evicts few pods, the RemoveDuplicatePods
strategy still takes into account even the pods eliminated by the PodLifeTime
strategy. Which does not correspond to the real case scenarios as the
same pod can be evicted multiple times. Instead, use a fake client and
evict/delete the pods from its cache so the strategies evict each pod
at most once as it would be normally done in a real cluster.
 2022-01-20 17:04:05 +01:00
Kubernetes Prow Robot
551eced42a Merge pull request #688 from babygoat/evict-failed-without-ownerrefs 
feat: support eviction of failed bare pods
 2022-01-11 12:31:15 -08:00
Julian Lawrence
77cb406052 updated until -> sliding until 2022-01-06 12:55:10 -08:00
babygoat
1529180d70 feat: support eviction of failed bare pods 
This patch adds the policy(evictFailedBarePods) to allow the failed
pods without ownerReferences to be evicted. For backward compatibility,
disable the policy by default. Address #644.
 2022-01-06 01:07:41 +08:00
Jan Chaloupka
8462cf56d7 run ./hack/update-* scripts 2022-01-04 09:37:01 +01:00
Erik Jankovič
2020642b6f chore: add pod.Status.Reason to the list of reasons 
Signed-off-by: Erik Jankovič <erik.jankovic@gmail.com>
 2021-12-17 18:37:53 +01:00
Kubernetes Prow Robot
1e5165ba9f Merge pull request #670 from autumn0207/improve_pod_eviction_metrics 
Add node name label to the counter metric for evicted pods
 2021-12-16 01:49:18 -08:00
autumn0207
8e74f8bd77 improve pod eviction metrics 2021-12-16 17:06:22 +08:00
Kubernetes Prow Robot
2424928019 Merge pull request #667 from damemi/1.23-rc.0 
bump: k8s to 1.23
 2021-12-15 06:56:20 -08:00
Garrybest
cac3b9185b reform all test files 
Signed-off-by: Garrybest <garrybest@foxmail.com>
 2021-12-11 19:43:16 +08:00
Mike Dame
4fa7bf978c run hack/update-generated-deep-copies.sh 2021-12-10 10:02:39 -05:00
Garrybest
0ff8ecb41e reform all strategies by using getPodsAssignedToNode 
Signed-off-by: Garrybest <garrybest@foxmail.com>
 2021-12-10 19:28:51 +08:00
Garrybest
08ed129a07 reform ListPodsOnANode by using pod informer and indexer 
Signed-off-by: Garrybest <garrybest@foxmail.com>
 2021-12-10 19:25:20 +08:00