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Align lifecycle handlers and probes

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Align the behavior of HTTP-based lifecycle handlers and HTTP-based
probers, converging on the probers implementation. This fixes multiple
deficiencies in the current implementation of lifecycle handlers
surrounding what functionality is available.

The functionality is gated by the features.ConsistentHTTPGetHandlers feature gate.
This commit is contained in:
Jason Simmons
2019-11-27 13:15:25 -05:00
committed by Billie Cleek
parent 429f71d958
commit 5a6acf85fa
22 changed files with 1044 additions and 248 deletions
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8
pkg/features/kube_features.go
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@@ -192,6 +192,12 @@ const (
// Enables container Checkpoint support in the kubelet
ContainerCheckpoint featuregate.Feature = "ContainerCheckpoint"
// owner: @bhcleek @wzshiming
// GA: v1.25
//
// Normalize HttpGet URL and Header passing for lifecycle handlers with probers.
ConsistentHTTPGetHandlers featuregate.Feature = "ConsistentHTTPGetHandlers"
// owner: @jiahuif
// alpha: v1.21
// beta: v1.22
@@ -842,6 +848,8 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
ContainerCheckpoint: {Default: false, PreRelease: featuregate.Alpha},
ConsistentHTTPGetHandlers: {Default: true, PreRelease: featuregate.GA},
ControllerManagerLeaderMigration: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.26
CronJobTimeZone: {Default: true, PreRelease: featuregate.Beta},