KEP-4580keps/sig-node/4580-deprecate-kubelet-runonce

Deprecate & remove Kubelet RunOnce mode

provisionalalphasig-nodelatest v1.311 open finding

KEP on GitHub kep.yaml Ask about this KEP

Deprecate and remove kubelet support for RunOnce mode, and mark the RunOnce field in KubeletConfiguration and the --runonce flag of kubelet as deprecated, finally remove the --runonce flag.

Facts

Authors: @hirazawaui
Approvers: @dchen1107
Reviewers: @dchen1107 @tallclair
PRR approvers: @soltyshalpha
Tracking issue: #4580(opens GitHub in a new tab) closedcompletedclosed 2024-07-24 13:08 UTCsig/nodestage/alpha
Milestones: alpha v1.31
Participating SIGs: none
Feature gates: LegacyNodeRunOnceMode
Created / last updated: 2024-04-17 / none

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2024-04-16 16:27 UTC	prr_approval soltysh gave the production readiness approval for KEP-4580 at alpha on 2024-04-16.	@soltysh prr_approver	Document 4580.yaml(opens GitHub in a new tab)
2024-06-12 00:30 UTC	stage_graduation KEP-4580 set milestone.alpha to v1.31 in PR #4581, approved by mrunalp, soltysh; merged by automation (k8s-ci-robot) on 2024-06-12.	@mrunalp approver @mrunalp lgtm @soltysh approver @soltysh approve_command @hirazawaui author @k8s-ci-robot merger	Commit kubernetes/enhancements@56745e3b147999614dd889cb12d83252d2ebd8d4(opens GitHub in a new tab) StatusChange milestone.alpha ∅ → v1.31 (2024-04-16)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4581 deprecate and remove Kubelet RunOnce mode(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2110684758(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/2097611907(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/2161834524(opens GitHub in a new tab)
2024-06-12 00:30 UTC	stage_graduation KEP-4580 graduated to alpha in PR #4581, approved by mrunalp, soltysh; merged by automation (k8s-ci-robot) on 2024-06-12.	@mrunalp approver @mrunalp lgtm @soltysh approver @soltysh approve_command @hirazawaui author @k8s-ci-robot merger	Commit kubernetes/enhancements@56745e3b147999614dd889cb12d83252d2ebd8d4(opens GitHub in a new tab) StatusChange stage ∅ → alpha (2024-04-16)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4581 deprecate and remove Kubelet RunOnce mode(opens GitHub in a new tab)
2024-06-12 00:30 UTC	status_transition KEP-4580 status set to provisional in PR #4581, approved by mrunalp, soltysh; merged by automation (k8s-ci-robot) on 2024-06-12.	@mrunalp approver @mrunalp lgtm @soltysh approver @soltysh approve_command @hirazawaui author @k8s-ci-robot merger	Commit kubernetes/enhancements@56745e3b147999614dd889cb12d83252d2ebd8d4(opens GitHub in a new tab) StatusChange status ∅ → provisional (2024-04-16)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#4581 deprecate and remove Kubelet RunOnce mode(opens GitHub in a new tab)

Metadata, label and milestone changes, oldest first.Showing 1–10 of 18Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2024-04-16 15:15 UTC	label	needs-sig added	none → needs-sig	@k8s-ci-robot	source(opens GitHub in a new tab)
2024-04-16 15:16 UTC	label	sig/node added	none → sig/node	@k8s-ci-robot	source

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

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/4580-deprecate-kubelet-runonce", "title": "Deprecate & remove Kubelet RunOnce mode", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce", "evidence_id": "siyf32tgnmqk", "number": 4580, "owning_sig": "sig-node", "status": "provisional", "stage": "alpha", "latest_milestone": "v1.31", "milestone_alpha": "v1.31", "creation_date": "2024-04-17", "metadata_invalid": false }	2	4	{ "1": { "feature_gates": 1, "sigs": 1, "people": 2 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "LegacyNodeRunOnceMode", "title": "LegacyNodeRunOnceMode", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce/kep.yaml", "evidence_id": "3xdwhpbl46t5", "name": "LegacyNodeRunOnceMode" } ]	[ { "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": "hirazawaui", "title": "hirazawaui", "url": "https://github.com/hirazawaui", "evidence_id": "b4bu2kmctnqp", "login": "hirazawaui", "is_bot": false }, { "label": "Person", "key": "dchen1107", "title": "dchen1107", "url": "https://github.com/dchen1107", "evidence_id": "frhgjvzxlrsh", "login": "dchen1107", "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/4580-deprecate-kubelet-runonce", "title": "Deprecate & remove Kubelet RunOnce mode", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce", "evidence_id": "siyf32tgnmqk", "number": 4580, "owning_sig": "sig-node", "status": "provisional", "stage": "alpha", "latest_milestone": "v1.31", "milestone_alpha": "v1.31", "creation_date": "2024-04-17", "metadata_invalid": false }	2	4	{ "1": { "feature_gates": 1, "sigs": 1, "people": 2 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "LegacyNodeRunOnceMode", "title": "LegacyNodeRunOnceMode", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce/kep.yaml", "evidence_id": "3xdwhpbl46t5", "name": "LegacyNodeRunOnceMode" } ]	[ { "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": "hirazawaui", "title": "hirazawaui", "url": "https://github.com/hirazawaui", "evidence_id": "b4bu2kmctnqp", "login": "hirazawaui", "is_bot": false }, { "label": "Person", "key": "dchen1107", "title": "dchen1107", "url": "https://github.com/dchen1107", "evidence_id": "frhgjvzxlrsh", "login": "dchen1107", "is_bot": false } ]

Kep

Depth

Reached

By hop

Open pull requests

Hop

Feature gates

Sigs

People

{
  "label": "KEP",
  "key": "keps/sig-node/4580-deprecate-kubelet-runonce",
  "title": "Deprecate & remove Kubelet RunOnce mode",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce",
  "evidence_id": "siyf32tgnmqk",
  "number": 4580,
  "owning_sig": "sig-node",
  "status": "provisional",
  "stage": "alpha",
  "latest_milestone": "v1.31",
  "milestone_alpha": "v1.31",
  "creation_date": "2024-04-17",
  "metadata_invalid": false
}

{
  "1": {
    "feature_gates": 1,
    "sigs": 1,
    "people": 2
  }
}

not in graph (merged pull requests only)

[
  {
    "label": "FeatureGate",
    "key": "LegacyNodeRunOnceMode",
    "title": "LegacyNodeRunOnceMode",
    "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/4580-deprecate-kubelet-runonce/kep.yaml",
    "evidence_id": "3xdwhpbl46t5",
    "name": "LegacyNodeRunOnceMode"
  }
]

[
  {
    "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": "hirazawaui",
    "title": "hirazawaui",
    "url": "https://github.com/hirazawaui",
    "evidence_id": "b4bu2kmctnqp",
    "login": "hirazawaui",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "dchen1107",
    "title": "dchen1107",
    "url": "https://github.com/dchen1107",
    "evidence_id": "frhgjvzxlrsh",
    "login": "dchen1107",
    "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

Deprecate & remove Kubelet RunOnce mode

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