KEP-281keps/sig-node/281-dynamic-kubelet-configuration

Dynamic Kubelet Configuration

implementedremovedsig-nodelatest v1.26

KEP on GitHub kep.yaml Ask about this KEP

Dynamic Kubelet Configuration allows a new Kubelet configurations to be rolled out in a live cluster. The feature predates the KEP process as it is defined today. Please find motivation, goals, and design section in community repository. Dynamic Kubelet Configuration feature is deprecated at the version v1.22 due to lack of interest in promoting it to stab… Full summary

Facts

Authors: @mtaufen
Approvers: @dchen1107 @derekwaynecarr
Reviewers: @dchen1107 @thockin @liggitt @alejandroesc @lavalamp
PRR approvers: none
Tracking issue: #281(opens GitHub in a new tab) closedcompletedclosed 2022-11-10 01:18 UTCmilestone v1.26sig/nodekind/deprecation
Milestones: alpha v1.8beta v1.11deprecated v1.22removed v1.24
Participating SIGs: none
Feature gates: DynamicKubeletConfig
Created / last updated: 2017-04-26 / none

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2021-05-12 16:14 UTC	stage_graduation KEP-281 set milestone.alpha to v1.8 in PR #2717, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-12.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @k8s-ci-robot merger	Commit kubernetes/enhancements@f55be809e22f451f127958dd53f38a746fa42a91(opens GitHub in a new tab) StatusChange milestone.alpha ∅ → v1.8 (2021-05-11)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2717 backfill the dynamic kubelet configuration kep #281(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/839906235(opens GitHub in a new tab)
2021-05-12 16:14 UTC	stage_graduation KEP-281 set milestone.beta to v1.11 in PR #2717, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-12.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @k8s-ci-robot merger	Commit kubernetes/enhancements@f55be809e22f451f127958dd53f38a746fa42a91(opens GitHub in a new tab) StatusChange milestone.beta ∅ → v1.11 (2021-05-11)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2717 backfill the dynamic kubelet configuration kep #281(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/839906235
2021-05-12 16:14 UTC	stage_graduation KEP-281 graduated to beta in PR #2717, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-12.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @k8s-ci-robot merger	Commit kubernetes/enhancements@f55be809e22f451f127958dd53f38a746fa42a91(opens GitHub in a new tab) StatusChange stage ∅ → beta (2021-05-11)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2717 backfill the dynamic kubelet configuration kep #281(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/839906235
2021-05-13 18:16 UTC	milestone_retarget KEP-281 latest-milestone moved from v1.11 to v1.22 in PR #2735, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-13.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @ehashman lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@e324e84516eff5119750a717851e934f6a197fdf(opens GitHub in a new tab) StatusChange latest_milestone v1.11 → v1.22 (2021-05-13)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2735 deprecate Dynamic Kubelet Config feature(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/659171956
2021-05-13 18:16 UTC	stage_graduation KEP-281 set milestone.deprecated to v1.22 in PR #2735, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-13.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @ehashman lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@e324e84516eff5119750a717851e934f6a197fdf(opens GitHub in a new tab) StatusChange milestone.deprecated ∅ → v1.22 (2021-05-13)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2735 deprecate Dynamic Kubelet Config feature(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/659171956
2021-05-13 18:16 UTC	stage_graduation KEP-281 set milestone.removed to v1.24 in PR #2735, approved by dchen1107; merged by automation (k8s-ci-robot) on 2021-05-13.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @ehashman lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@e324e84516eff5119750a717851e934f6a197fdf(opens GitHub in a new tab) StatusChange milestone.removed ∅ → v1.24 (2021-05-13)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2735 deprecate Dynamic Kubelet Config feature(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/659171956
2022-02-03 21:20 UTC	milestone_retarget KEP-281 latest-milestone moved from v1.22 to v1.24 in PR #3208, approved by dchen1107, ehashman; merged by automation (k8s-ci-robot) on 2022-02-03.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @ehashman approve_command @ehashman lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@4c5fa9474de942ae75e16839639b0895c397ce45(opens GitHub in a new tab) StatusChange latest_milestone v1.22 → v1.24 (2022-02-03)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3208 Updated PRR for DynamicKubeletConfig
2022-02-03 21:20 UTC	stage_graduation KEP-281 graduated to removed in PR #3208, approved by dchen1107, ehashman; merged by automation (k8s-ci-robot) on 2022-02-03.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @ehashman approve_command @ehashman lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@4c5fa9474de942ae75e16839639b0895c397ce45(opens GitHub in a new tab) StatusChange stage ∅ → removed (2022-02-03)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3208 Updated PRR for DynamicKubeletConfig(opens GitHub in a new tab)
2022-10-10 18:15 UTC	milestone_retarget KEP-281 latest-milestone moved from v1.24 to v1.26 in PR #3605, approved by dchen1107; merged by automation (k8s-ci-robot) on 2022-10-10.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @k8s-ci-robot merger	Commit kubernetes/enhancements@fa4113d9adb7408b4f41f7cfe3bc91045f7c71bc(opens GitHub in a new tab) StatusChange latest_milestone v1.24 → v1.26 (2022-10-10)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3605 remove dynamic kubelet config completely(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/1273662071
2022-10-10 18:15 UTC	status_transition KEP-281 status set to implemented in PR #3605, approved by dchen1107; merged by automation (k8s-ci-robot) on 2022-10-10.	@dchen1107 approve_command @dchen1107 lgtm @sergeykanzhelev author @k8s-ci-robot merger	Commit kubernetes/enhancements@fa4113d9adb7408b4f41f7cfe3bc91045f7c71bc(opens GitHub in a new tab) StatusChange status ∅ → implemented (2022-10-10)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3605 remove dynamic kubelet config completely(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/1273662071

Metadata, label and milestone changes, oldest first.Showing 1–10 of 95Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2017-04-26 23:03 UTC	milestone	milestone milestoned	none → v1.7	@mtaufen	source(opens GitHub in a new tab)
2017-04-26 23:03 UTC	label	sig/node added	none → sig/node	@mtaufen	source

Relationships as stored, Person → KEP, from kep.yaml(opens GitHub in a new tab)
Person	Relationship
@mtaufen GitHub(opens GitHub in a new tab)	—AUTHORED→
@dchen1107 GitHub(opens GitHub in a new tab)	—REVIEWS→
@thockin GitHub(opens GitHub in a new tab)	—REVIEWS→
@liggitt GitHub

How they connect

Shortest paths in the graph between this KEP and its SIG or one of its people, up to four hops.

Impact of change

Rows returned by the tool
Kep	Depth	Reached	By hop	Open pull requests	Hop	Feature gates	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/281-dynamic-kubelet-configuration", "title": "Dynamic Kubelet Configuration", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration", "evidence_id": "yglrzouwxz43", "number": 281, "owning_sig": "sig-node", "status": "implemented", "stage": "removed", "latest_milestone": "v1.26", "milestone_alpha": "v1.8", "milestone_beta": "v1.11", "creation_date": "2017-04-26", "metadata_invalid": true }	2	5	{ "1": { "feature_gates": 1, "sigs": 1, "people": 3 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "DynamicKubeletConfig", "title": "DynamicKubeletConfig", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration/kep.yaml", "evidence_id": "shamr27sphhr", "name": "DynamicKubeletConfig" } ]	[ { "label": "SIG", "key": "sig-node", "title": "Node", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node", "evidence_id": "nrsuxu2xcxa7", "display_name": "Node", "sig_label": "node", "in_scope": true } ]	[ { "label": "Person", "key": "mtaufen", "title": "mtaufen", "url": "https://github.com/mtaufen", "evidence_id": "ini3tgba7zo6", "login": "mtaufen", "is_bot": false }, { "label": "Person", "key": "dchen1107", "title": "dchen1107", "url": "https://github.com/dchen1107", "evidence_id": "frhgjvzxlrsh", "login": "dchen1107", "is_bot": false }, { "label": "Person", "key": "derekwaynecarr", "title": "derekwaynecarr", "url": "https://github.com/derekwaynecarr", "evidence_id": "wpnbg5qnq5fl", "login": "derekwaynecarr", "is_bot": false } ]

Rows returned by the tool
Kep	Depth	Reached	By hop	Open pull requests	Hop	Feature gates	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/281-dynamic-kubelet-configuration", "title": "Dynamic Kubelet Configuration", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration", "evidence_id": "yglrzouwxz43", "number": 281, "owning_sig": "sig-node", "status": "implemented", "stage": "removed", "latest_milestone": "v1.26", "milestone_alpha": "v1.8", "milestone_beta": "v1.11", "creation_date": "2017-04-26", "metadata_invalid": true }	2	5	{ "1": { "feature_gates": 1, "sigs": 1, "people": 3 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "DynamicKubeletConfig", "title": "DynamicKubeletConfig", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration/kep.yaml", "evidence_id": "shamr27sphhr", "name": "DynamicKubeletConfig" } ]	[ { "label": "SIG", "key": "sig-node", "title": "Node", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node", "evidence_id": "nrsuxu2xcxa7", "display_name": "Node", "sig_label": "node", "in_scope": true } ]	[ { "label": "Person", "key": "mtaufen", "title": "mtaufen", "url": "https://github.com/mtaufen", "evidence_id": "ini3tgba7zo6", "login": "mtaufen", "is_bot": false }, { "label": "Person", "key": "dchen1107", "title": "dchen1107", "url": "https://github.com/dchen1107", "evidence_id": "frhgjvzxlrsh", "login": "dchen1107", "is_bot": false }, { "label": "Person", "key": "derekwaynecarr", "title": "derekwaynecarr", "url": "https://github.com/derekwaynecarr", "evidence_id": "wpnbg5qnq5fl", "login": "derekwaynecarr", "is_bot": false } ]

Kep

Depth

Reached

By hop

Open pull requests

Hop

Feature gates

Sigs

People

{
  "label": "KEP",
  "key": "keps/sig-node/281-dynamic-kubelet-configuration",
  "title": "Dynamic Kubelet Configuration",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration",
  "evidence_id": "yglrzouwxz43",
  "number": 281,
  "owning_sig": "sig-node",
  "status": "implemented",
  "stage": "removed",
  "latest_milestone": "v1.26",
  "milestone_alpha": "v1.8",
  "milestone_beta": "v1.11",
  "creation_date": "2017-04-26",
  "metadata_invalid": true
}

{
  "1": {
    "feature_gates": 1,
    "sigs": 1,
    "people": 3
  }
}

not in graph (merged pull requests only)

[
  {
    "label": "FeatureGate",
    "key": "DynamicKubeletConfig",
    "title": "DynamicKubeletConfig",
    "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/281-dynamic-kubelet-configuration/kep.yaml",
    "evidence_id": "shamr27sphhr",
    "name": "DynamicKubeletConfig"
  }
]

[
  {
    "label": "SIG",
    "key": "sig-node",
    "title": "Node",
    "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-node",
    "evidence_id": "nrsuxu2xcxa7",
    "display_name": "Node",
    "sig_label": "node",
    "in_scope": true
  }
]

[
  {
    "label": "Person",
    "key": "mtaufen",
    "title": "mtaufen",
    "url": "https://github.com/mtaufen",
    "evidence_id": "ini3tgba7zo6",
    "login": "mtaufen",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "dchen1107",
    "title": "dchen1107",
    "url": "https://github.com/dchen1107",
    "evidence_id": "frhgjvzxlrsh",
    "login": "dchen1107",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "derekwaynecarr",
    "title": "derekwaynecarr",
    "url": "https://github.com/derekwaynecarr",
    "evidence_id": "wpnbg5qnq5fl",
    "login": "derekwaynecarr",
    "is_bot": false
  }
]

MATCH (k:KEP {key: $key}) RETURN k LIMIT 1 ; MATCH (k:KEP {key: $key}) MATCH path = (k)-[:REPLACES|SUPERSEDED_BY|SEE_ALSO|GATED_BY*1..2]-(n) WHERE n <> k AND (n:KEP OR n:FeatureGate) AND all(x IN nodes(path)[1..-1] WHERE x <> k AND (x:KEP OR (x:FeatureGate AND NOT x.key IN $placeholders))) WITH n, path ORDER BY length(path), [x IN nodes(path) | x.key] WITH n, collect(path)[0] AS path RETURN n AS node, length(path) AS hop, path ORDER BY hop, n.key LIMIT 150 ; UNWIND $keys AS kk MATCH (k:KEP {key: kk}) RETURN k.key AS kep, [(k)-[r_0:OWNED_BY]->(s_0:SIG) WHERE coalesce(r_0.valid_to, $open) = $open | s_0] AS sigs, [(p_1:Person)-[r_1:AUTHORED]->(k) WHERE coalesce(r_1.valid_to, $open) = $open AND coalesce(p_1.is_bot, false) = false | p_1] AS authors, [(p_2:Person)-[r_2:APPROVES]->(k) WHERE coalesce(r_2.valid_to, $open) = $open AND coalesce(p_2.is_bot, false) = false | p_2] AS approvers, [(k)-[r_3:TRACKED_BY]->(i_3:Issue) WHERE coalesce(r_3.valid_to, $open) = $open AND i_3.state = 'open' | i_3] AS open_issues LIMIT 200

Dynamic Kubelet Configuration

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Impact of change

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