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Changelog

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  • Support if-none-match for the extension list endpoint

v2.6.19

  • Advice support new service validation step to ease experiment creation
  • fix: reference to service.id in case it is an array
  • Update alpine packages in Docker image to address CVEs
  • Update dependencies

v2.6.18

  • Update dependencies
  • Added categories to advice (for future use in the UI)

v2.6.17

  • Update dependencies
  • Added a discover for Argo Rollouts and added a rollout restart attack

v2.6.16

  • Copy the pod attributes by ownership to statefulset/daemonsets/deployments/replicasets instead of the selector

v2.6.15

  • Update dependencies
  • Add option to trace log the annotation edits for ingress attacks

v2.6.14

  • fix: haproxy attack using haproxy-ingress.github.io instead of haproxy.org annotation prefix

v2.6.13

  • Update dependencies

v2.6.13

  • Update dependencies

v2.6.12

  • Update dependencies

v2.6.11

  • add attributes containing all label keys

v2.6.10

  • Changing Advice's experiment templates
    • Schedule Pods Across Zones: attack 100% of the containers in one zone
    • Limit CPU/memory resources: attack 1 random container
    • Probes configured: attack 1 random container
  • fix: nginx ingress delay action (prepare step failed in some cases)

v2.6.9

  • Discovery, Pod Count Check and Set Scale Action for ReplicaSets
  • Nginx Ingress: Discovery, delay and block traffic attack

v2.6.8

  • Improve the experiment suggestion of the memory limit advice

v2.6.7

  • Resync internal k8s cache every 10m and increase update debounce to 20s (both values are configurable)
  • Optimize advice generation
  • Updated dependencies

v2.6.6

  • possibility to disable the advice / kubescore feature
  • Updated dependencies
  • Updated go version to 1.24.4

v2.6.5

  • HAProxy Ingress: Discovery, delay and block traffic attack

v2.6.4

  • added "Set Image" attack that allows to set the image of a container in a deployment
  • added the namespace to the messages of "Pod Count Check"
  • Updated dependencies

v2.6.3

  • add more prefill-queries
  • rollout restart attack check for already running rollout restart

v2.6.2

  • Updated dependencies

v2.6.1

  • Update dependencies
  • Support wall-clock changes

v2.6.0

  • Removed the advice single_aws_zone,single_azure_zone and single_gcp_zone and combined them using the generic attribute k8s.label.topology.kubernetes.io/zone. With the new advice, you are no longer required to install the cloud provider specific extension.
    • If you like to migrate your existing advice state, like created experiments and you are running ON-Premise, you can use the following migration script after installing the new version of the extension: 
      update sb_onprem.advice
set advice_definition_id='com.steadybit.extension_kubernetes.advice.single-zone',
    validation_states   = replace(validation_states::text, 'com.steadybit.extension_kubernetes.single-aws-zone',
                                  'com.steadybit.extension_kubernetes.single-zone')::jsonb
where advice_definition_id = 'com.steadybit.extension_kubernetes.advice.single-aws-zone';

update sb_onprem.advice
set advice_definition_id='com.steadybit.extension_kubernetes.advice.single-zone',
    validation_states   = replace(validation_states::text, 'com.steadybit.extension_kubernetes.single-azure-zone',
                                  'com.steadybit.extension_kubernetes.single-zone')::jsonb
where advice_definition_id = 'com.steadybit.extension_kubernetes.advice.single-azure-zone';

update sb_onprem.advice
set advice_definition_id='com.steadybit.extension_kubernetes.advice.single-zone',
    validation_states   = replace(validation_states::text, 'com.steadybit.extension_kubernetes.single-gcp-zone',
                                  'com.steadybit.extension_kubernetes.single-zone')::jsonb
where advice_definition_id = 'com.steadybit.extension_kubernetes.advice.single-gcp-zone';

v2.5.21

  • Update dependencies
  • Changed labels for selection templates

v2.5.20

  • Integrated support for experiment templates in Advice to ease service's validation
  • Fixed a bug for Azure and GCP, where DaemonSets aren't considered in an Advice

v2.5.19

  • Avoid unnecessary enrichment rules for node labels, improving performance
  • update dependencies
  • Use uid instead of name for user statement in Dockerfile

v2.5.18

  • Update dependencies (go 1.23)

v2.5.17

  • Update dependencies

v2.5.16

  • Increased timeout in the experiment for the single zone advice to detect a pod as being down within 45 seconds instead of just 30 seconds

v2.5.15

  • Be able to install the extension with a role instead of a service account to be able to work only in one namespace Example installation: 
     helm upgrade steadybit-agent --install --namespace <replace-me-with-namespace> \
--create-namespace \
--set agent.key="<replace-me>" \
--set global.clusterName="<replace-me>" \
--set extension-container.container.runtime="<replace-me>" \
--set agent.registerUrl="<replace-me>"\
--set rbac.roleKind="role" \
--set agent.extensions.autodiscovery.namespace="<replace-me-with-namespace>" \
--set extension-kubernetes.role.create=true \
--set extension-kubernetes.roleBinding.create=true \
--set extension-kubernetes.clusterRole.create=false \
--set extension-kubernetes.clusterRoleBinding.create=false \
steadybit/steadybit-agent

v2.5.14

  • Update dependencies

v2.5.13

  • Populate all k8s.node labels to host target type.
  • Update dependencies

v2.5.12

  • Renamed "Pod Count Check" to "(Deployment, StatefulSet, DaemonSet) Pod Count Check"
  • Pod-Targets now have a unique id. (Used by the UI to fetch details for a specific pod)
  • Update dependencies

v2.5.11

  • Update dependencies (go 1.22)
  • Added "Pod Count Check" for StatefulSets and DaemonSets
  • Improved advice's experiment for multi availability zones (single-azure-zone, single-aws-zone, and single-gcp-zone) to establish a 20s base-line in the beginning of the experiment
  • Add namespace label to container, k8s-container, k8s-deployment, k8s-statefulset and k8s-daemonset
  • Use FreeMarker syntax for advice templates.
  • Ignore Pods not in state "Running" in all discoveries

v2.5.10

  • Fixed advice's experiment for multi availability zones (single-azure-zone, single-aws-zone, and single-gcp-zone) to consistently use the same zone in every step
  • Improved instruction text for advice k8s-single-replica to better explain how to increase replicas for deployments and HorizontalPodAutoscaler

v2.5.9

  • Update dependencies
  • Remove some attributes which have been used by the old 'weakspot' feature
  • Clarify the log message, if the extension stops listing pods, containers and hosts for deployments, statefulsets, etc. because of the discovery.maxPodCount configuration

v2.5.8

  • Update dependencies
  • feat: add host.domainname attribute containing the host FQDN

v2.5.7

  • Update dependencies
  • fix: update deployments if services/hpas have changes
  • fix: integrate kubescore check horizontalpodautoscaler-replicas

v2.5.6

  • Update dependencies

v2.5.5

  • use TargetEnrichmentRule Matcher Regex for copying k8s.label.* to container (exclude k8s.label.topology.*) (needs platform version >= 2.0.0 and agent version >= 2.0.2)

v2.5.4

  • Crash Loop Attack: validate specified container name with spec
  • Crash Loop Attack: ignore when to be killed container is already gone
  • Renamed attribute k8s.deployment.replicas to k8s.specification.replicas
  • Update dependencies
  • Add attributes k8s.label.topology.kubernetes.io/zone, k8s.label.topology.kubernetes.io/region, k8s.label.node.kubernetes.io/instance-type, k8s.label.kubernetes.io/os and k8s.label.kubernetes.io/arch to container, host, k8s-container, k8s-deplyoment, k8s-statefulset and k8s-daemonset

v2.5.3

  • Update extension-kit dependency to prevent a concurrent map write error

v2.5.2

  • invalid

v2.5.1

  • Update dependencies

v2.5.0

  • Discoveries added
    • pods
    • daemonsets
    • statefulsets
    • nodes
  • Attack 'Delete Pod' added - ❗ Requires new permission delete for pods resources
  • Attack 'Drain node' added - ❗ Requires new permission create for pods/eviction resources and patch for nodes resources
  • Attack 'Taint node' added - ❗ Requires new permission patch for nodes resources
  • Attack 'Scale Deployment' added - ❗ Requires new permission get, update and patch for deployments/scale resources
  • Attack 'Scale StatefulSet' added - ❗ Requires new permission get, update and patch for statefulsets/scale resources
  • Attack 'Cause Crash Loop' added - ❗ Requires new permission create for pod/exec resources
  • Added options to check if a pod count increased or decreased to the existing pod count check action
  • Performance - Add hostnames to kubernetes-deployment during discovery instead of adding it via enrichment rule
  • Performance - Enrich hosts via kubernetes-node instead of frequent enrichments via kubernetes-container
  • Added pprof endpoints for debugging purposes
  • Memory optimizations
  • Removed the attribute k8s.container.ready as this causes unnecessary enrichment noise
  • Added additional attributes to support advice / weakspots - ❗ Requires new permission get, list, and watch for horizontalpodautoscalers resources

v2.4.2

  • Possibility to exclude attributes from discovery

v2.4.1

  • fix k8s.service.name attribute incorrect for containers in multiple services

v2.4.0

  • kubernetes-container are handled as enrichment data and not as targets anymore. (This requires at least agent 1.0.92 and platform 1.0.79)

v2.3.6

  • fix node count check config parsing

v2.3.5

  • update dependencies

v2.3.4

  • ignore container with label steadybit.com.discovery-disabled"="true" during discovery

v2.3.3

  • migration to new unified steadybit actionIds and targetTypes
  • ignore all labeled deployments and containers from discovery

v2.3.2

  • fix node count check config parsing

v2.3.1

  • update dependencies

v2.3.0

  • Read only file system

v2.2.0

  • Code refactorings

v2.1.1

  • Kubernetes Event Log will now listen to a stop method and send the last messages before exiting

v2.1.0

  • Kubernetes Event Log and Pod Metrics will need a cluster-selection to support multiple kubernetes clusters

v2.0.0

  • Added Discoveries for Deployments and Container
  • Added Pod Count Check and Node Count check
  • Added Pod Count Metrics and Event Logs

v1.3.0

  • Support creation of a TLS server through the environment variables STEADYBIT_EXTENSION_TLS_SERVER_CERT and STEADYBIT_EXTENSION_TLS_SERVER_KEY. Both environment variables must refer to files containing the certificate and key in PEM format.
  • Support mutual TLS through the environment variable STEADYBIT_EXTENSION_TLS_CLIENT_CAS. The environment must refer to a comma-separated list of files containing allowed clients' CA certificates in PEM format.

v1.2.0

  • Support for the STEADYBIT_LOG_FORMAT env variable. When set to json, extensions will log JSON lines to stderr.

v1.1.1

  • Rollout readiness check always fails when a timeout is specified.

v1.1.0

  • upgrade extension-kit to support additional debugging log output.

v1.0.0

  • Initial release