flagger/CHANGELOG.md

Changelog

All notable changes to this project are documented in this file.

0.9.0 (2019-03-11)

Allows A/B testing scenarios where instead of weighted routing, the traffic is split between the primary and canary based on HTTP headers or cookies.

Features

• A/B testing - canary with session affinity #88

Fixes

• Update the analysis interval when the custom resource changes #91

0.8.0 (2019-03-06)

Adds support for CORS policy and HTTP request headers manipulation

Features

• CORS policy support #83
• Allow headers to be appended to HTTP requests #82

Improvements

• Refactor the routing management #72 #80
• Fine-grained RBAC #73
• Add option to limit Flagger to a single namespace #78

0.7.0 (2019-02-28)

Adds support for custom metric checks, HTTP timeouts and HTTP retries

Features

• Allow custom promql queries in the canary analysis spec #60
• Add HTTP timeout and retries to canary service spec #62

0.6.0 (2019-02-25)

Allows for HTTPMatchRequests and HTTPRewrite to be customized in the service spec of the canary custom resource.

Features

• Add HTTP match conditions and URI rewrite to the canary service spec #55
• Update virtual service when the canary service spec changes #54 #51

Improvements

• Run e2e testing on Kubernetes Kind for canary promotion #53

0.5.1 (2019-02-14)

Allows skipping the analysis phase to ship changes directly to production

Features

• Add option to skip the canary analysis #46

Fixes

• Reject deployment if the pod label selector doesn't match app: <DEPLOYMENT_NAME> #43

0.5.0 (2019-01-30)

Track changes in ConfigMaps and Secrets #37

Features

• Promote configmaps and secrets changes from canary to primary
• Detect changes in configmaps and/or secrets and (re)start canary analysis
• Add configs checksum to Canary CRD status
• Create primary configmaps and secrets at bootstrap
• Scan canary volumes and containers for configmaps and secrets

Fixes

• Copy deployment labels from canary to primary at bootstrap and promotion

0.4.1 (2019-01-24)

Load testing webhook #35

Features

• Add the load tester chart to Flagger Helm repository
• Implement a load test runner based on rakyll/hey
• Log warning when no values are found for Istio metric due to lack of traffic

Fixes

• Run wekbooks before the metrics checks to avoid failures when using a load tester

0.4.0 (2019-01-18)

Restart canary analysis if revision changes #31

Breaking changes

• Drop support for Kubernetes 1.10

Features

• Detect changes during canary analysis and reset advancement
• Add status and additional printer columns to CRD
• Add canary name and namespace to controller structured logs

Fixes

• Allow canary name to be different to the target name
• Check if multiple canaries have the same target and log error
• Use deep copy when updating Kubernetes objects
• Skip readiness checks if canary analysis has finished

0.3.0 (2019-01-11)

Configurable canary analysis duration #20

Breaking changes

• Helm chart: flag controlLoopInterval has been removed

Features

• CRD: canaries.flagger.app v1alpha3
• Schedule canary analysis independently based on canaryAnalysis.interval
• Add analysis interval to Canary CRD (defaults to one minute)
• Make autoscaler (HPA) reference optional

0.2.0 (2019-01-04)

Webhooks #18

Features

• CRD: canaries.flagger.app v1alpha2
• Implement canary external checks based on webhooks HTTP POST calls
• Add webhooks to Canary CRD
• Move docs to gitbook docs.flagger.app

0.1.2 (2018-12-06)

Improve Slack notifications #14

Features

• Add canary analysis metadata to init and start Slack messages
• Add rollback reason to failed canary Slack messages

0.1.1 (2018-11-28)

Canary progress deadline #10

Features

• Rollback canary based on the deployment progress deadline check
• Add progress deadline to Canary CRD (defaults to 10 minutes)

0.1.0 (2018-11-25)

First stable release

Features

• CRD: canaries.flagger.app v1alpha1
• Notifications: post canary events to Slack
• Instrumentation: expose Prometheus metrics for canary status and traffic weight percentage
• Autoscaling: add HPA reference to CRD and create primary HPA at bootstrap
• Bootstrap: create primary deployment, ClusterIP services and Istio virtual service based on CRD spec

0.0.1 (2018-10-07)

Initial semver release

Features

• Implement canary rollback based on failed checks threshold
• Scale up the deployment when canary revision changes
• Add OpenAPI v3 schema validation to Canary CRD
• Use CRD status for canary state persistence
• Add Helm charts for Flagger and Grafana
• Add canary analysis Grafana dashboard