Changes in MetalK8s¶
Release 1.1.0 (in development)¶
This version updates the Kubernetes version to 1.11.5 to handle CVE-2018-100210.
Features added¶
PR #346 - add Elasticsearch external values capability (#340)
PR #222 - update Elasticsearch and node_exporter dashboards
PR #225 - Figure out the “fail fast” option of ansible (#129)
PR #280 - add an Ansible module to handle Helm chart installation (#190)
PR #309 - introduce variables to control helm behaviour. New ‘wait’ option
PR #291 - add external values for nginx_ingress
PR #327 - support ‘external values’ in kube_heapster and kube_metrics_server
PR #373 - update third-party chart versions and use the RollingUpdate deployment strategy for Elasticsearch data and master daemons
PR #403 - update vendored Kubespray version
Note
This includes an upgrade to Kubernetes 1.11.
PR #417 - update Python package versions
PR #457 - update vendored Kubespray version
PR #429 - Set proxy variable directly in /etc/environment
Bugs Fixed¶
#224 - variabilize the Kibana index pattern and service name in the index provisioning job (PR #233).
PR #251 - tag Grafana dashboards (#208)
PR #478 - metrics-server: ensure that missing pod/node data doesn’t invalidate an entire node’s results
PR #514 - update Kubernetes version to 1.11.5 to include a fix for CVE-2018-100210
Release 1.0.2 (in development)¶
Bugs fixed¶
#962 - Versionlocks docker & node_exporter packages
Release 1.0.1¶
This version updates the Kubernetes version to 1.10.11 to handle CVE-2018-100210.
Features added¶
PR #232 - Add more storage checks regarding the device presence and the partition existence on specificied drives (#231)
PR #240 - update Python cryptography package to 2.3
PR #274 - add support for Python 3.7
PR #305 - ensure that journald logs are persisted across reboots (#303)
Bugs fixed¶
#50 - raise default etcd memory limits (PR #331)
#237 - increase timeout of prometheus-operator deployment (PR #244)
#321 - retry until PV creation succeeds in reclaim-storage playbook (PR #319)
#381 - warn when Bash completion is not available in make shell (PR #382)
#192 - make shell failing to start on OS X (PR #418)
#424 - remove warning related to kube_nginx_ingress roles (PR #425)
#399 - check that the hostnames in the inventory don’t use capitals (PR #409)
PR #472 - update Python requests library version
PR #511 - update Kubernetes version to 1.10.11 to include a fix for CVE-2018-100210
PR #523 - reduce Tiller wait timeout to reduce CI time to failure
Release 1.0.0¶
This marks the first production-ready release of MetalK8s. Deployments using this release can be upgraded to later MetalK8s 1.x versions.
Breaking changes¶
PR #187 - no longer remove the MetalK8s 0.1.x Elasticsearch cluster upon upgrade (#160)
Features added¶
PR #191 - deploy PodDisruptionBudgets for Elasticsearch (#157)
PR #193 - update versions of kube-prometheus, Elasticsearch and Kubespray
PR #181 - format PersistentVolumes asynchronously (#173)
PR #201 - collect Calico metrics and deploy Grafana dashboards for them (#81)
PR #210 - deploy metrics-server using Helm (#146)
PR #189, PR #215 - collect nginx-ingress metrics and deploy a dashboard (#143)
PR #218 - update versions of Kibana and fluent-bit
Bugs fixed¶
#170 - rename ElasticSearch Example and Node Exporter Full Grafana dashboards (PR #188)
#196 - deploy the Elasticsearch Curator configuration we want to deploy instead of falling back to the chart default (PR #197)
#220 - ‘Kubernetes Calico (Alternative)’ dashboard doesn’t work (PR #221)
Known issues¶
#179 - some Grafana dashboard charts are not displaying any metrics
Release 0.2.0¶
Note
Compatibility with future releases of MetalK8s is not guaranteed until version 1.0.0 is available. When deploying a cluster using pre-1.0 versions of this package, you may need to redeploy later.
Breaking changes¶
PR #159 - use upstream chart for Elasticsearch. Historical log data will be lost. Please see the pull-request description for manual steps required after upgrading a MetalK8s 0.1 cluster to MetalK8s 0.2 (#147)
PR #94 - flatten the storage configuration and allow more user defined storage related actions (#153)
Features added¶
PR #144 - update Kibana chart version
PR #145 - update the Cerebro chart, and pre-configure the MetalK8s Elasticsearch cluster
PR #154 - rework log collection architecture, now using Fluent Bit to capture logs, then forward to fluentd to aggregate them and batch-insert in Elasticsearch (#51)
PR #163 - update versions of Elasticsearch Exporter, nginx-ingress, kube-prometheus and Kubespray
Bugs fixed¶
PR #151 - fix debug clause var scoping
#150 - fix deployment of Elasticsearch, node and Prometheus Grafana dashboards (PR #158)
Known issues¶
#179 - some Grafana dashboard charts are not displaying any metrics
Release 0.1.1¶
Note
Compatibility with future releases of MetalK8s is not guaranteed until version 1.0.0 is available. When deploying a cluster using pre-1.0 versions of this package, you may need to redeploy later.
Features added¶
PR #11 - run the OpenStack ansible-hardening role on nodes to apply security hardening configurations from the Security Technical Implementation Guide (STIG) (#88)
PR #127 - deploy Cerebro to manage the Elasticsearch cluster (#126)
PR #138 - update versions of Fluentd, Kibana, Elasticsearch Exporter and Kubespray
PR #140 - set up kube-prometheus to monitor CoreDNS (cfr. PR #104)
Release 0.1.0¶
This marks the first release of MetalK8s.
Note
Compatibility with future releases of MetalK8s is not guaranteed until version 1.0.0 is available. When deploying a cluster using pre-1.0 versions of this package, you may need to redeploy later.
Incompatible changes¶
PR #106 - the Ansible playbook which used to be called
metal-k8s.yml
has been moved to playbooks/deploy.yml
Features added¶
PR #100 - disable Elasticsearch deployment by setting metalk8s_elasticsearch_enabled to false (#98)
PR #104 - kube-proxy now uses ipvs instead of iptables to route Service addresses, in preparation for Kubernetes 1.11. The ipvsadm tool is installed on all k8s-cluster hosts.
PR #104 - use CoreDNS instead of kubedns for in-cluster DNS services, in preparation for Kubernetes 1.11.
PR #113 - deploy the Prometheus node_exporter on k8s-cluster and etcd hosts instead of using a DaemonSet
Known issues¶
#62 - Elasticsearch Curator may not properly prune old logstash-* indices