Dynatrace/dynatrace-operator v0.3.0

on GitHub

Features

• Updated CRD version from v1alpha1 to v1beta1
  • Improved structure of the Custom Resource to simplify usage
  • Added Conversion Webhook to migrate existing Dynakubes to the new version
  • Added ValidatingAdmissionWebhook to verify correctness of newly applied Dynakubes
• Added new monitoring modes:
  • (PREVIEW with useCSIDriver: true) applicationMonitoring: webhook based injection mechanism for automatic-app-only injection
  • Added auto-detection of c runtime flavor
  • hostMonitoring: only monitoring the host in the cluster without app-only injection
  • (PREVIEW) cloudNativeFullStack: combination of hostMonitoring and applicationMonitoring
  • existing monitoring mode, i.e. classicFullStack, will stay in place
• Improved ActiveGate support:
  • Allow multiple capabilities within one ActiveGate pod
  • Added option to define custom certificate (#293)
  • Added support for self-signed K8S API certificates (#102)
• Added new way of monitoring applications in different namespaces
  • Per default, all namespaces (excluding system namespaces) are monitored
  • Added configuration via namespaceSelector to limit to namespaces with specific labels
• (PREVIEW) Added CSI Driver for applicationMonitoring and cloudNativeFullStack
  • Minimizes binary downloads (once per node, instead of once per pod)
  • Can be enabled for applicationMonitoring via useCSIDriver: true
  • Mandatory for cloudNativeFullStack
• Added script to troubleshoot common installation issues
  ​

Bug fixes

• Removed Beta affinity for Kubernetes >= 1.14
  ​

Other changes

• Changed imagePullPolicy for initContainer to IfNotPresent (#299)
• Changed deployment strategy for OneAgent Daemonset to RollingUpdate
  ​

Upgrading

The Operator can be upgraded from v0.2.2 with,

# Kubernetes
$ kubectl apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v0.3.0/kubernetes.yaml
​
# Openshift
$ oc apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v0.3.0/openshift.yaml

If you want to use the PREVIEW features described above, install/upgrade via the following commands:

# Kubernetes
$ kubectl apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v0.3.0/kubernetes-csi.yaml
​
# Openshift
$ oc apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v0.3.0/openshift-csi.yaml