version: 3.4.18

Signed-off-by: Sam Batschelet <sbatsche@redhat.com>

Dockerfile-release

@@ -1,4 +1,5 @@
-FROM k8s.gcr.io/debian-base:v1.0.0
+# TODO: move to k8s.gcr.io/build-image/debian-base:bullseye-v1.y.z when patched
+FROM debian:bullseye-20210927
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/

Dockerfile-release.arm64

@@ -1,4 +1,5 @@
-FROM k8s.gcr.io/debian-base-arm64:v1.0.0
+# TODO: move to k8s.gcr.io/build-image/debian-base-arm64:bullseye-1.y.z when patched
+FROM arm64v8/debian:bullseye-20210927
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/

Dockerfile-release.ppc64le

@@ -1,4 +1,5 @@
-FROM k8s.gcr.io/debian-base-ppc64le:v1.0.0
+# TODO: move to k8s.gcr.io/build-image/debian-base-ppc64le:bullseye-1.y.z when patched
+FROM ppc64le/debian:bullseye-20210927
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/

mvcc/backend/backend.go

@@ -354,6 +354,8 @@ func (b *backend) Defrag() error {
 
 func (b *backend) defrag() error {
 	now := time.Now()
+	isDefragActive.Set(1)
+	defer isDefragActive.Set(0)
 
 	// TODO: make this non-blocking?
 	// lock batchTx to ensure nobody is using previous tx, and then

mvcc/backend/metrics.go

@@ -83,6 +83,13 @@ var (
 		// highest bucket start of 0.01 sec * 2^16 == 655.36 sec
 		Buckets: prometheus.ExponentialBuckets(.01, 2, 17),
 	})
+
+	isDefragActive = prometheus.NewGauge(prometheus.GaugeOpts{
+		Namespace: "etcd",
+		Subsystem: "disk",
+		Name:      "defrag_inflight",
+		Help:      "Whether or not defrag is active on the member. 1 means active, 0 means not.",
+	})
 )
 
 func init() {
@@ -92,4 +99,5 @@ func init() {
 	prometheus.MustRegister(writeSec)
 	prometheus.MustRegister(defragSec)
 	prometheus.MustRegister(snapshotTransferSec)
+	prometheus.MustRegister(isDefragActive)
 }

version/version.go

@@ -26,7 +26,7 @@ import (
 var (
 	// MinClusterVersion is the min cluster version this etcd binary is compatible with.
 	MinClusterVersion = "3.0.0"
-	Version           = "3.4.17"
+	Version           = "3.4.18"
 	APIVersion        = "unknown"
 
 	// Git SHA Value will be set during build