KEP-34keps/sig-node/34-sysctl-fields

Protomote sysctl annotations to fields

implementedstablesig-nodelatest v1.21

KEP on GitHub kep.yaml Ask about this KEP

This proposal aims at extending the current pod specification with support for namespaced kernel parameters (sysctls) set for each pod. See the abstract and motivation from the original proposal in v1.4.

Facts

Authors: @ingvagabund
Approvers: @derekwaynecarr
Reviewers: @derekwaynecarr @sjenning
PRR approvers: @johnbelamaricstable
Tracking issue: #34(opens GitHub in a new tab) closedcompletedclosed 2021-05-11 15:07 UTCmilestone v1.21sig/nodestage/stablekind/api-change
Milestones: alpha v1.4beta v1.11stable v1.21
Participating SIGs: sig-auth
Feature gates: none
Created / last updated: 2018-04-30 / 2021-04-08

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2020-12-17 17:41 UTC	status_transition KEP-34 status set to provisional in PR #2193, approved by johnbelamaric; merged by automation (k8s-ci-robot) on 2020-12-17.	@wojtek-t author @johnbelamaric approve_command @johnbelamaric lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@7eef794bb549a50c6b08c457556ff0eac98a4c6b(opens GitHub in a new tab) StatusChange status ∅ → provisional (2020-12-17)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2193 Migrate some node KEPs to new template(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/554835705(opens GitHub in a new tab)
2021-02-08 22:41 UTC	prr_approval johnbelamaric gave the production readiness approval for KEP-34 at stable on 2021-02-08.	@johnbelamaric prr_approver	Document 34.yaml(opens GitHub in a new tab)
2021-02-09 18:18 UTC	stage_graduation KEP-34 set milestone.alpha to v1.4 in PR #2471, approved by derekwaynecarr, johnbelamaric; merged by automation (k8s-ci-robot) on 2021-02-09.	@ehashman author @johnbelamaric approve_command @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@2e96733e4b71ac97065be56a97a30ed548bb0f5e(opens GitHub in a new tab) StatusChange milestone.alpha ∅ → v1.4 (2021-02-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2471 Migrate KEP-34 to new template(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/776138742
2021-02-09 18:18 UTC	stage_graduation KEP-34 set milestone.beta to v1.11 in PR #2471, approved by derekwaynecarr, johnbelamaric; merged by automation (k8s-ci-robot) on 2021-02-09.	@ehashman author @johnbelamaric approve_command @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@2e96733e4b71ac97065be56a97a30ed548bb0f5e(opens GitHub in a new tab) StatusChange milestone.beta ∅ → v1.11 (2021-02-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2471 Migrate KEP-34 to new template(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/776138742
2021-02-09 18:18 UTC	stage_graduation KEP-34 set milestone.stable to v1.21 in PR #2471, approved by derekwaynecarr, johnbelamaric; merged by automation (k8s-ci-robot) on 2021-02-09.	@ehashman author @johnbelamaric approve_command @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@2e96733e4b71ac97065be56a97a30ed548bb0f5e(opens GitHub in a new tab) StatusChange milestone.stable ∅ → v1.21 (2021-02-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2471 Migrate KEP-34 to new template(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/776138742
2021-02-09 18:18 UTC	stage_graduation KEP-34 graduated to stable in PR #2471, approved by derekwaynecarr, johnbelamaric; merged by automation (k8s-ci-robot) on 2021-02-09.	@ehashman author @johnbelamaric approve_command @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@2e96733e4b71ac97065be56a97a30ed548bb0f5e(opens GitHub in a new tab) StatusChange stage ∅ → stable (2021-02-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2471 Migrate KEP-34 to new template(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/776138742
2021-02-09 18:18 UTC	status_transition KEP-34 status changed from provisional to implementable in PR #2471, approved by derekwaynecarr, johnbelamaric; merged by automation (k8s-ci-robot) on 2021-02-09.	@ehashman author @johnbelamaric approve_command @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@2e96733e4b71ac97065be56a97a30ed548bb0f5e(opens GitHub in a new tab) StatusChange status provisional → implementable (2021-02-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2471 Migrate KEP-34 to new template(opens GitHub in a new tab) Comment
2021-05-11 15:07 UTC	status_transition KEP-34 status changed from implementable to implemented in PR #2613, approved by pacoxu, derekwaynecarr; merged by automation (k8s-ci-robot) on 2021-05-11.	@ehashman author @derekwaynecarr approve_command @derekwaynecarr lgtm @pacoxu approver @pacoxu lgtm @annajung lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@901b61b350e86d85ccb56fe26d4a01a4f2f12177(opens GitHub in a new tab) StatusChange status implementable → implemented (2021-04-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2613 Mark sysctls as implemented

Metadata, label and milestone changes, oldest first.Showing 1–10 of 51Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2016-07-20 14:56 UTC	milestone	milestone milestoned	none → v1.4	@idvoretskyi	source(opens GitHub in a new tab)
2016-08-04 16:22 UTC	label	sig/node added	none → sig/node	@idvoretskyi	source

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

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	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/34-sysctl-fields", "title": "Protomote sysctl annotations to fields", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/34-sysctl-fields", "evidence_id": "rnxawu4tmqwd", "number": 34, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.21", "milestone_alpha": "v1.4", "milestone_beta": "v1.11", "milestone_stable": "v1.21", "creation_date": "2018-04-30", "last_updated": "2021-04-08", "metadata_invalid": false }	2	3	{ "1": { "sigs": 1, "people": 2 } }	not in graph (merged pull requests only)	none	none	none
none	none	none	none	none	1	[ { "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": "ingvagabund", "title": "ingvagabund", "url": "https://github.com/ingvagabund", "evidence_id": "4bzh4l6umbhm", "login": "ingvagabund", "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	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/34-sysctl-fields", "title": "Protomote sysctl annotations to fields", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/34-sysctl-fields", "evidence_id": "rnxawu4tmqwd", "number": 34, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.21", "milestone_alpha": "v1.4", "milestone_beta": "v1.11", "milestone_stable": "v1.21", "creation_date": "2018-04-30", "last_updated": "2021-04-08", "metadata_invalid": false }	2	3	{ "1": { "sigs": 1, "people": 2 } }	not in graph (merged pull requests only)	none	none	none
none	none	none	none	none	1	[ { "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": "ingvagabund", "title": "ingvagabund", "url": "https://github.com/ingvagabund", "evidence_id": "4bzh4l6umbhm", "login": "ingvagabund", "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

Sigs

People

{
  "label": "KEP",
  "key": "keps/sig-node/34-sysctl-fields",
  "title": "Protomote sysctl annotations to fields",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/34-sysctl-fields",
  "evidence_id": "rnxawu4tmqwd",
  "number": 34,
  "owning_sig": "sig-node",
  "status": "implemented",
  "stage": "stable",
  "latest_milestone": "v1.21",
  "milestone_alpha": "v1.4",
  "milestone_beta": "v1.11",
  "milestone_stable": "v1.21",
  "creation_date": "2018-04-30",
  "last_updated": "2021-04-08",
  "metadata_invalid": false
}

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

not in graph (merged pull requests only)

[
  {
    "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": "ingvagabund",
    "title": "ingvagabund",
    "url": "https://github.com/ingvagabund",
    "evidence_id": "4bzh4l6umbhm",
    "login": "ingvagabund",
    "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

Protomote sysctl annotations to fields

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