v1.3.0

[gardener/dependency-watchdog]

✨ New Features

• [OPERATOR] DWD prober no longer considers Unhealthy Nodes in scaling decisions for the dependent resources. by @rishabh-11 [#124]
• [OPERATOR] DWD prober no longer considers Failed or Terminating Machines in scaling decisions for the dependent resources. by @rishabh-11 [#124]
• [OPERATOR] DWD prober no longer performs scaling operations for clusters with only one candidate lease. by @rishabh-11 [#124]

🏃 Others

• [OPERATOR] Replaced mocks with fake clients for unit tests by @rishabh-11 [#124]
• [OPERATOR] Updated the go version to 1.23. by @rishabh-11 [#127]

Docker Images

• dependency-watchdog: europe-docker.pkg.dev/gardener-project/releases/gardener/dependency-watchdog:v1.3.0

v1.2.3

[gardener/dependency-watchdog]

🏃 Others

• [OPERATOR] Perform scale up if no candidate leases are present by @rishabh-11 [#113]
• [OPERATOR] Removed vendor directory by @rishabh-11 [#115]

Docker Images

• dependency-watchdog: europe-docker.pkg.dev/gardener-project/releases/gardener/dependency-watchdog:v1.2.3

v1.2.2

[gardener/dependency-watchdog]

🏃 Others

• [OPERATOR] dependency-watchdog-prober now skips Leases in the kube-node-lease namespace in case the corresponding Node does not exist (anymore). by @rfranzke [#108]

Docker Images

• dependency-watchdog: europe-docker.pkg.dev/gardener-project/releases/gardener/dependency-watchdog:v1.2.2

v1.2.1

[gardener/dependency-watchdog]

🏃 Others

• [OPERATOR] Make kcmNodeMonitorGraceDuration optional in the prober config and use a default value of 40s if not specified in the shoot and the config. by @rishabh-11 [#101]

Docker Images

• dependency-watchdog: europe-docker.pkg.dev/gardener-project/releases/gardener/dependency-watchdog:v1.2.1

v1.2.0

[gardener/dependency-watchdog]

⚠️ Breaking Changes

• [OPERATOR] DWD no longer depends on checking the reachability of Kube-API server via external load-balancer as kube-proxy path optimizations makes that impossible on infrastructures which have a static IP for the LB. Instead it now depends on node leases that are periodically renewed by each node running in the shoot cluster to determine its scaling action (scale-down/up). by @rishabh-11 [#94]
• [OPERATOR] Change OCI Image Registry from GCR (eu.gcr.io/gardener-project) to Artifact-Registry (europe-docker.pkg.dev/gardener-project/releases). Users should update their references.
  by @ccwienk [#93]

🏃 Others

• [DEVELOPER] Use ginkgolinter instead of self baked gomegacheck by @himanshu-kun [#95]

Docker Images

• dependency-watchdog: europe-docker.pkg.dev/gardener-project/releases/gardener/dependency-watchdog:v1.2.0

v1.1.2

[gardener/dependency-watchdog]

🏃 Others

• [OPERATOR] Bump g/g version to remove stale client-go dependency by @rishabh-11 [#92]

v1.1.1

[gardener/dependency-watchdog]

🏃 Others

• [DEVELOPER] update client-go version and exclude the old one in go.mod by @acumino [#90]

v1.1.0

[dependency-watchdog]

🏃 Others

• [OPERATOR] More categories are added to label a release note for a PR on DWD. (gardener/dependency-watchdog#75, @himanshu-kun)
  • Release notifications would now be sent to gardener-dwd channel (private) on releases.
• [OPERATOR] Probes will not be created for shoots with no workers. (gardener/dependency-watchdog#82, @unmarshall)
• [OPERATOR] Fixes for make check target (gardener/dependency-watchdog#87, @unmarshall)
• [DEPENDENCY] Following dependencies are updated: (gardener/dependency-watchdog#84, @unmarshall)
  • Go - 1.20.3
  • client-go - v0.26.2
  • controller-runtime - v0.14.5
  • gomega - v1.27.1
  • zap - v1.24.0
  • gardener/gardener v1.69.0
  • k8s (api and apimachinery) - v0.26.2

v1.0.0

[dependency-watchdog]

This is a major version release and has breaking API changes.

⚠️ Breaking Changes

• [OPERATOR] Introduces backward incompatible changes to the API/Config. Consumers should adapt to the new changes. (gardener/dependency-watchdog#67, @unmarshall) Please refer the docs for details.
• [OPERATOR] Command name for dependency-watchdog has been changed to weeder and probe has been changed to prober. Command line options have also changed. Please refer the docs for details.

✨ New Features

• [OPERATOR] In prober, support for multiple replicas for the dependent resources has been added. Previously this was hard coded to 1 making it difficult for dependency-watchdog to operate on resource which have a HA setup. Dependency-Watchdog will not interfere with HPA or any other entity which has been setup to scale out/in resources in a k8s cluster.
• [OPERATOR] [Gardener]: It has been ensured that during hibernation (either when hibernating or waking up from hibernation) and during control-plane-migration, dependency-watchdog acts responsibly and prevents scale out/in operations which could interfere with these operations.
• [DEVELOPER] This new version now uses controller-runtime. Usage of client-go is limited to:
  • Create a watch
  • Create a discovery client
  • Use scale sub-resource
    The above are currently not supported by the controller-runtime.
• [USER] Previously prober only supported Deployment resources. This version onwards any k8s resource that has a scale sub-resource is supported.

🏃 Others

• [DEVELOPER] Added envtest and KIND based tests for prober and weeder.
• [DEVELOPER] Extensive documentation added for concepts, usage and contributions.
• [OPERATOR] Build and tests are now run using prow
• [OPERATOR] Gardener version used has been bumped to v1.59.0
• [OPERATOR] fixed RetryUntilPredicate tests. (gardener/dependency-watchdog#73, @rishabh-11)
• [OPERATOR] updated golang version to v1.19.4. (gardener/dependency-watchdog#73, @rishabh-11)
• [DEVELOPER] Many makefile targets have been added including format, check-vulnerabilites etc (gardener/dependency-watchdog#65, @himanshu-kun)

v0.8.0

[dependency-watchdog]

🐛 Bug Fixes

• [OPERATOR] A bug is fixed which allowed dependency-watchdog to not ignore scaling operations on deployment which are not enabled/deployed in a given cluster (gardener/dependency-watchdog#41, @ashwani2k)
  • A bug with uploading of a rotated dependency-watchdog-probe secrets is now fixed by refreshing the clients with updated secrets.

🏃 Others

• [OPERATOR] Switch default leader election resource lock for dependency-watchdog from endpointsleases to leases. (gardener/dependency-watchdog#44, @ary1992)
• [OPERATOR] Published docker images for Dependency-Watchdog are now multi-arch ready. They support linux/amd64 and linux/arm64. (gardener/dependency-watchdog#57, @timuthy)
• [OPERATOR] DWD client shall no longer use long running TCP connections when attempting to probe Kube ApiServer via internal endpoint. (gardener/dependency-watchdog#62, @unmarshall)

📰 Noteworthy

• [OPERATOR] A dependent's scaling up/down can be ignored by DWD now by adding the annotation dependency-watchdog.gardener.cloud/ignore-scaling to the deployment (gardener/dependency-watchdog#48, @himanshu-kun)
• [OPERATOR] The dependency-watchdog now uses distroless instead of alpine as a base image. (gardener/dependency-watchdog#59, @dimityrmirchev)