Merge pull request kubernetes#2430 from ehashman/structured-logging

Update structured logging for 1.21

Author: k8s-ci-robot

keps/prod-readiness/sig-instrumentation/1602.yaml

@@ -0,0 +1,3 @@
+kep-number: 1602
+beta:
+  approver: "@johnbelamaric"

keps/sig-instrumentation/1602-structured-logging/README.md

@@ -382,13 +382,19 @@ Adding guarding against regression and update user guideline:
 * Static analysis protects important log lines from reverting to string formating
 * [Kubernetes Logging convention](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md) document is updated
 
+Components in scope:
+* Kubelet
+
+All other component migrations will be best effort.
+
 #### GA
 
 Logging formats become an API:
 * Feedback about logging methods and log formats is collected and addressed
 * Format string methods are deprecated
 * Static analysis protects against creating new string format calls
 * Logging output formats fall under [Kubernetes deprecation policy](https://kubernetes.io/docs/reference/using-api/deprecation-policy/)
+* All remaining components must be migrated
 
 ### Performance
 
@@ -734,3 +740,5 @@ _This section must be completed when targeting beta graduation to a release._
 * 2020-03-18 - Implementation started
 * 2020-05-18 - Updated PRR questionnaire added
 * 2020-05-28 - PRR review done
+* 2020-07-11 - Alpha in 1.19
+* 2021-01-04 - Begin best effort migration of logs to structured format

keps/sig-instrumentation/1602-structured-logging/kep.yaml

@@ -4,6 +4,7 @@ authors:
   - "@serathius"
   - "@44past4"
   - "@DirectXMan12"
+  - "@ehashman"
 owning-sig: sig-instrumentation
 participating-sigs:
   - sig-architecture
@@ -18,13 +19,14 @@ approvers:
   - "@thockin"
 prr-approvers:
   - "@wojtek-t"
+  - "@johnbelamaric"
 see-also:
 replaces:
-stage: alpha
-latest-milestone: "v1.19"
+stage: beta
+latest-milestone: "v1.21"
 milestone:
   alpha: "v1.19"
-  beta: "v1.20"
+  beta: "v1.21"
   stable: "v1.22"
 feature-gates:
 disable-supported: true