KEP-2221keps/sig-node/2221-remove-dockershim

Removing dockershim from kubelet

implementedstablesig-nodelatest v1.24

KEP on GitHub kep.yaml Ask about this KEP

CRI for docker (i.e. dockershim) is currently a built-in container runtime in kubelet code base. This proposal aims at a deprecation and subsequent removal of dockershim from kubelet. Find more information on dockershim removal: https://k8s.io/dockershim)

Facts

Authors: @dims @resouer
Approvers: @dchen1107 @derekwaynecarr
Reviewers: @dchen1107 @dashpole @derekwaynecarr @sjennning @yujuhong
PRR approvers: @ehashmanstable
Tracking issue: #2221(opens GitHub in a new tab) closedcompletedclosed 2022-09-07 15:01 UTCmilestone v1.24sig/nodelifecycle/rotten
Milestones: none
Participating SIGs: none
Feature gates: none
Created / last updated: 2020-09-14 / none

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2021-01-08 02:38 UTC	stage_graduation KEP-2221 graduated to alpha in PR #2222, approved by dims; merged by automation (k8s-ci-robot) on 2021-01-08.	@sergeykanzhelev author @dims approve_command @dims lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@8b85274b9ec2231af4ab727b1cfeafcf6b4b0400(opens GitHub in a new tab) StatusChange stage ∅ → alpha (2020-12-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2222 created an enhancement issue for dockershim removal(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/756508459(opens GitHub in a new tab)
2021-01-08 02:38 UTC	status_transition KEP-2221 status set to implementable in PR #2222, approved by dims; merged by automation (k8s-ci-robot) on 2021-01-08.	@sergeykanzhelev author @dims approve_command @dims lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@8b85274b9ec2231af4ab727b1cfeafcf6b4b0400(opens GitHub in a new tab) StatusChange status ∅ → implementable (2020-12-29)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2222 created an enhancement issue for dockershim removal(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/756508459
2022-02-03 12:02 UTC	prr_approval ehashman gave the production readiness approval for KEP-2221 at stable on 2022-02-03.	@ehashman prr_approver	Document 2221.yaml(opens GitHub in a new tab)
2022-02-03 16:17 UTC	milestone_retarget KEP-2221 latest-milestone moved from v1.20 to v1.24 in PR #3207, approved by derekwaynecarr, ehashman; merged by automation (k8s-ci-robot) on 2022-02-03.	@saschagrunert author @ehashman approve_command @ehashman lgtm @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@7e6bde46cd077f1ff438ec3957b7317a41ee6868(opens GitHub in a new tab) StatusChange latest_milestone v1.20 → v1.24 (2022-02-03)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3207 KEP-2221: Update dockershim removal KEP to reflect latest changes
2022-02-03 16:17 UTC	stage_graduation KEP-2221 graduated to stable from alpha in PR #3207, approved by derekwaynecarr, ehashman; merged by automation (k8s-ci-robot) on 2022-02-03.	@saschagrunert author @ehashman approve_command @ehashman lgtm @derekwaynecarr approve_command @derekwaynecarr lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@7e6bde46cd077f1ff438ec3957b7317a41ee6868(opens GitHub in a new tab) StatusChange stage alpha → stable (2022-02-03)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3207 KEP-2221: Update dockershim removal KEP to reflect latest changes
2022-08-09 05:46 UTC	status_transition KEP-2221 status changed from implementable to implemented in PR #3459; merged by automation (k8s-ci-robot) on 2022-08-09.	@priyankasaggu11929 lgtm @dims author @k8s-ci-robot merger	Commit kubernetes/enhancements@9ddb2df431eaca84b6669ccd2bf63bcb97ba6cf2(opens GitHub in a new tab) StatusChange status implementable → implemented (2022-08-08)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#3459 KEP-2221: Mark dockershim KEP as implemented(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/1208941526(opens GitHub in a new tab)

Metadata, label and milestone changes, oldest first.Showing 1–10 of 26Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2020-12-29 22:00 UTC	label	needs-sig added	none → needs-sig	@k8s-ci-robot	source(opens GitHub in a new tab)
2020-12-29 22:02 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
@dims GitHub(opens GitHub in a new tab)	—AUTHORED→
@resouer GitHub(opens GitHub in a new tab)	—AUTHORED→
@dchen1107 GitHub(opens GitHub in a new tab)	—REVIEWS→
@dashpole 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	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/2221-remove-dockershim", "title": "Removing dockershim from kubelet", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/2221-remove-dockershim", "evidence_id": "gqfmoja2xkbs", "number": 2221, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.24", "creation_date": "2020-09-14", "metadata_invalid": false }	2	5	{ "1": { "sigs": 1, "people": 4 } }	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": "dims", "title": "dims", "url": "https://github.com/dims", "evidence_id": "bhepe2g6dp5m", "login": "dims", "is_bot": false }, { "label": "Person", "key": "resouer", "title": "resouer", "url": "https://github.com/resouer", "evidence_id": "l756enlikod6", "login": "resouer", "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	Sigs	People
{ "label": "KEP", "key": "keps/sig-node/2221-remove-dockershim", "title": "Removing dockershim from kubelet", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/2221-remove-dockershim", "evidence_id": "gqfmoja2xkbs", "number": 2221, "owning_sig": "sig-node", "status": "implemented", "stage": "stable", "latest_milestone": "v1.24", "creation_date": "2020-09-14", "metadata_invalid": false }	2	5	{ "1": { "sigs": 1, "people": 4 } }	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": "dims", "title": "dims", "url": "https://github.com/dims", "evidence_id": "bhepe2g6dp5m", "login": "dims", "is_bot": false }, { "label": "Person", "key": "resouer", "title": "resouer", "url": "https://github.com/resouer", "evidence_id": "l756enlikod6", "login": "resouer", "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

Sigs

People

{
  "label": "KEP",
  "key": "keps/sig-node/2221-remove-dockershim",
  "title": "Removing dockershim from kubelet",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-node/2221-remove-dockershim",
  "evidence_id": "gqfmoja2xkbs",
  "number": 2221,
  "owning_sig": "sig-node",
  "status": "implemented",
  "stage": "stable",
  "latest_milestone": "v1.24",
  "creation_date": "2020-09-14",
  "metadata_invalid": false
}

{
  "1": {
    "sigs": 1,
    "people": 4
  }
}

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": "dims",
    "title": "dims",
    "url": "https://github.com/dims",
    "evidence_id": "bhepe2g6dp5m",
    "login": "dims",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "resouer",
    "title": "resouer",
    "url": "https://github.com/resouer",
    "evidence_id": "l756enlikod6",
    "login": "resouer",
    "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

Removing dockershim from kubelet

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