KEP-85keps/sig-apps/85-Graduate-PDB-to-Stable

KEP Template

implementedstablesig-appslatest v1.22

KEP on GitHub kep.yaml Ask about this KEP

Pod Disruption Budget (PDB) is a Kubernetes API that limits the number of pods of a collection that are down simultaneously from voluntary disruptions. Kubernetes eviction API takes PDB into account when terminating pods. If PDB is violated, the eviction API returns failure and does not delete the requested pod. The feature was introduced in Kubernetes 1.4 a… Full summary

Facts

Authors: @bsalamat @mortent
Approvers: @wojtek-t @liggitt @kow3ns
Reviewers: @wojtek-t @liggitt @soltysh @kow3ns @janetkuo
PRR approvers: @wojtek-tstable
Tracking issue: #85(opens GitHub in a new tab) closedcompletedclosed 2021-08-10 14:20 UTCmilestone v1.22sig/appssig/schedulingstage/stablekind/featurelifecycle/stalekind/api-change
Milestones: alpha v1.4beta v1.5stable v1.21
Participating SIGs: sig-scheduling
Feature gates: PodDisruptionBudget
Created / last updated: 2019-03-18 / none

Who decided each state, with the evidence.
Decided	Decision	Deciders	Evidence
2020-10-21 01:48 UTC	prr_approval wojtek-t gave the production readiness approval for KEP-85 at stable on 2020-10-21.	@wojtek-t prr_approver	Document 85.yaml(opens GitHub in a new tab)
2021-01-14 07:05 UTC	stage_graduation KEP-85 set milestone.alpha to v1.4 in PR #2114, approved by janetkuo, kow3ns, wojtek-t; merged by automation (k8s-ci-robot) on 2021-01-14.	@wojtek-t approve_command @wojtek-t lgtm @kow3ns approver @kow3ns approve_command @kow3ns lgtm @janetkuo approver @mortent author @k8s-ci-robot merger	Commit kubernetes/enhancements@be1aeb1da256848654ea12f2d807b89938d73afb(opens GitHub in a new tab) StatusChange milestone.alpha ∅ → v1.4 (2020-10-21)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2114 Update KEP for graduating PodDisruptionBudget to GA(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/562198780(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/551807829(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/759972043(opens GitHub in a new tab) Comment kubernetes/enhancements/issues/comments/756938176
2021-01-14 07:05 UTC	stage_graduation KEP-85 set milestone.beta to v1.5 in PR #2114, approved by janetkuo, kow3ns, wojtek-t; merged by automation (k8s-ci-robot) on 2021-01-14.	@wojtek-t approve_command @wojtek-t lgtm @kow3ns approver @kow3ns approve_command @kow3ns lgtm @janetkuo approver @mortent author @k8s-ci-robot merger	Commit kubernetes/enhancements@be1aeb1da256848654ea12f2d807b89938d73afb(opens GitHub in a new tab) StatusChange milestone.beta ∅ → v1.5 (2020-10-21)(opens GitHub in a new tab) PullRequest
2021-01-14 07:05 UTC	stage_graduation KEP-85 set milestone.stable to v1.21 in PR #2114, approved by janetkuo, kow3ns, wojtek-t; merged by automation (k8s-ci-robot) on 2021-01-14.	@wojtek-t approve_command @wojtek-t lgtm @kow3ns approver @kow3ns approve_command @kow3ns lgtm @janetkuo approver @mortent author @k8s-ci-robot merger	Commit kubernetes/enhancements@be1aeb1da256848654ea12f2d807b89938d73afb(opens GitHub in a new tab) StatusChange milestone.stable ∅ → v1.21 (2020-10-21)(opens GitHub in a new tab) PullRequest
2021-01-14 07:05 UTC	stage_graduation KEP-85 graduated to stable in PR #2114, approved by janetkuo, kow3ns, wojtek-t; merged by automation (k8s-ci-robot) on 2021-01-14.	@wojtek-t approve_command @wojtek-t lgtm @kow3ns approver @kow3ns approve_command @kow3ns lgtm @janetkuo approver @mortent author @k8s-ci-robot merger	Commit kubernetes/enhancements@be1aeb1da256848654ea12f2d807b89938d73afb(opens GitHub in a new tab) StatusChange stage ∅ → stable (2020-10-21)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2114 Update KEP for graduating PodDisruptionBudget to GA
2021-01-14 07:05 UTC	status_transition KEP-85 status set to implementable in PR #2114, approved by janetkuo, kow3ns, wojtek-t; merged by automation (k8s-ci-robot) on 2021-01-14.	@wojtek-t approve_command @wojtek-t lgtm @kow3ns approver @kow3ns approve_command @kow3ns lgtm @janetkuo approver @mortent author @k8s-ci-robot merger	Commit kubernetes/enhancements@be1aeb1da256848654ea12f2d807b89938d73afb(opens GitHub in a new tab) StatusChange status ∅ → implementable (2020-10-21)(opens GitHub in a new tab) PullRequest
2021-05-10 17:01 UTC	milestone_retarget KEP-85 latest-milestone moved from v1.21 to v1.22 in PR #2683, approved by janetkuo; merged by automation (k8s-ci-robot) on 2021-05-10.	@liggitt author @janetkuo approver @janetkuo lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@1ec708465c0716bd98a3b259f63c70ae116f16a8(opens GitHub in a new tab) StatusChange latest_milestone v1.21 → v1.22 (2021-05-06)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2683 Update Eviction to v1 in 1.22(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/655864467
2021-05-10 17:01 UTC	status_transition KEP-85 status changed from implementable to implemented in PR #2683, approved by janetkuo; merged by automation (k8s-ci-robot) on 2021-05-10.	@liggitt author @janetkuo approver @janetkuo lgtm @k8s-ci-robot merger	Commit kubernetes/enhancements@1ec708465c0716bd98a3b259f63c70ae116f16a8(opens GitHub in a new tab) StatusChange status implementable → implemented (2021-05-06)(opens GitHub in a new tab) PullRequest kubernetes/enhancements#2683 Update Eviction to v1 in 1.22(opens GitHub in a new tab) Review kubernetes/enhancements/pulls/reviews/655864467

Metadata, label and milestone changes, oldest first.Showing 1–10 of 86Rows

Status history
At	Kind	Field	Change	Actor	Evidence
2016-08-30 05:21 UTC	label	alpha-in-1.4 added	none → alpha-in-1.4	@davidopp	source(opens GitHub in a new tab)
2016-10-01 09:15 UTC	milestone	milestone milestoned	none → v1.5	@davidopp	source

Relationships as stored, Person → KEP, from kep.yaml(opens GitHub in a new tab)
Person	Relationship
@bsalamat GitHub(opens GitHub in a new tab)	—AUTHORED→
@mortent GitHub(opens GitHub in a new tab)	—AUTHORED→
@wojtek-t 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-apps/85-Graduate-PDB-to-Stable", "title": "KEP Template", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable", "evidence_id": "chezsuo6tk2i", "number": 85, "owning_sig": "sig-apps", "status": "implemented", "stage": "stable", "latest_milestone": "v1.22", "milestone_alpha": "v1.4", "milestone_beta": "v1.5", "milestone_stable": "v1.21", "creation_date": "2019-03-18", "metadata_invalid": false }	2	7	{ "1": { "feature_gates": 1, "sigs": 1, "people": 5 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "PodDisruptionBudget", "title": "PodDisruptionBudget", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable/kep.yaml", "evidence_id": "oaam2f735blk", "name": "PodDisruptionBudget" } ]	[ { "label": "SIG", "key": "sig-apps", "title": "Apps", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-apps", "evidence_id": "3xevdpgexdfq", "display_name": "Apps", "sig_label": "apps", "in_scope": true } ]	[ { "label": "Person", "key": "bsalamat", "title": "bsalamat", "url": "https://github.com/bsalamat", "evidence_id": "l2izawf3czvd", "login": "bsalamat", "is_bot": false }, { "label": "Person", "key": "mortent", "title": "mortent", "url": "https://github.com/mortent", "evidence_id": "miaj4xudlac6", "login": "mortent", "is_bot": false }, { "label": "Person", "key": "wojtek-t", "title": "wojtek-t", "url": "https://github.com/wojtek-t", "evidence_id": "wvpmhj7c3dox", "login": "wojtek-t", "is_bot": false }, { "label": "Person", "key": "liggitt", "title": "liggitt", "url": "https://github.com/liggitt", "evidence_id": "mjccccaftaj3", "login": "liggitt", "is_bot": false }, { "label": "Person", "key": "kow3ns", "title": "kow3ns", "url": "https://github.com/kow3ns", "evidence_id": "z26v6kilqc4a", "login": "kow3ns", "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-apps/85-Graduate-PDB-to-Stable", "title": "KEP Template", "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable", "evidence_id": "chezsuo6tk2i", "number": 85, "owning_sig": "sig-apps", "status": "implemented", "stage": "stable", "latest_milestone": "v1.22", "milestone_alpha": "v1.4", "milestone_beta": "v1.5", "milestone_stable": "v1.21", "creation_date": "2019-03-18", "metadata_invalid": false }	2	7	{ "1": { "feature_gates": 1, "sigs": 1, "people": 5 } }	not in graph (merged pull requests only)	none	none	none	none
none	none	none	none	none	1	[ { "label": "FeatureGate", "key": "PodDisruptionBudget", "title": "PodDisruptionBudget", "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable/kep.yaml", "evidence_id": "oaam2f735blk", "name": "PodDisruptionBudget" } ]	[ { "label": "SIG", "key": "sig-apps", "title": "Apps", "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-apps", "evidence_id": "3xevdpgexdfq", "display_name": "Apps", "sig_label": "apps", "in_scope": true } ]	[ { "label": "Person", "key": "bsalamat", "title": "bsalamat", "url": "https://github.com/bsalamat", "evidence_id": "l2izawf3czvd", "login": "bsalamat", "is_bot": false }, { "label": "Person", "key": "mortent", "title": "mortent", "url": "https://github.com/mortent", "evidence_id": "miaj4xudlac6", "login": "mortent", "is_bot": false }, { "label": "Person", "key": "wojtek-t", "title": "wojtek-t", "url": "https://github.com/wojtek-t", "evidence_id": "wvpmhj7c3dox", "login": "wojtek-t", "is_bot": false }, { "label": "Person", "key": "liggitt", "title": "liggitt", "url": "https://github.com/liggitt", "evidence_id": "mjccccaftaj3", "login": "liggitt", "is_bot": false }, { "label": "Person", "key": "kow3ns", "title": "kow3ns", "url": "https://github.com/kow3ns", "evidence_id": "z26v6kilqc4a", "login": "kow3ns", "is_bot": false } ]

Kep

Depth

Reached

By hop

Open pull requests

Hop

Feature gates

Sigs

People

{
  "label": "KEP",
  "key": "keps/sig-apps/85-Graduate-PDB-to-Stable",
  "title": "KEP Template",
  "url": "https://github.com/kubernetes/enhancements/tree/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable",
  "evidence_id": "chezsuo6tk2i",
  "number": 85,
  "owning_sig": "sig-apps",
  "status": "implemented",
  "stage": "stable",
  "latest_milestone": "v1.22",
  "milestone_alpha": "v1.4",
  "milestone_beta": "v1.5",
  "milestone_stable": "v1.21",
  "creation_date": "2019-03-18",
  "metadata_invalid": false
}

{
  "1": {
    "feature_gates": 1,
    "sigs": 1,
    "people": 5
  }
}

not in graph (merged pull requests only)

[
  {
    "label": "FeatureGate",
    "key": "PodDisruptionBudget",
    "title": "PodDisruptionBudget",
    "url": "https://github.com/kubernetes/enhancements/blob/6ebe0a94771723b3f27cb4a757f0cc22f29e38a2/keps/sig-apps/85-Graduate-PDB-to-Stable/kep.yaml",
    "evidence_id": "oaam2f735blk",
    "name": "PodDisruptionBudget"
  }
]

[
  {
    "label": "SIG",
    "key": "sig-apps",
    "title": "Apps",
    "url": "https://github.com/kubernetes/community/tree/440e496d3a172234d81728df1bfe43849b589adf/sig-apps",
    "evidence_id": "3xevdpgexdfq",
    "display_name": "Apps",
    "sig_label": "apps",
    "in_scope": true
  }
]

[
  {
    "label": "Person",
    "key": "bsalamat",
    "title": "bsalamat",
    "url": "https://github.com/bsalamat",
    "evidence_id": "l2izawf3czvd",
    "login": "bsalamat",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "mortent",
    "title": "mortent",
    "url": "https://github.com/mortent",
    "evidence_id": "miaj4xudlac6",
    "login": "mortent",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "wojtek-t",
    "title": "wojtek-t",
    "url": "https://github.com/wojtek-t",
    "evidence_id": "wvpmhj7c3dox",
    "login": "wojtek-t",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "liggitt",
    "title": "liggitt",
    "url": "https://github.com/liggitt",
    "evidence_id": "mjccccaftaj3",
    "login": "liggitt",
    "is_bot": false
  },
  {
    "label": "Person",
    "key": "kow3ns",
    "title": "kow3ns",
    "url": "https://github.com/kow3ns",
    "evidence_id": "z26v6kilqc4a",
    "login": "kow3ns",
    "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

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