diff options
Diffstat (limited to 'kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl')
| -rw-r--r-- | kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl b/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl index 328a4c625f..ffff46fab5 100644 --- a/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl +++ b/kubernetes/dcaegen2-services/common/dcaegen2-services-common/templates/_deployment.tpl @@ -79,7 +79,7 @@ to give the microservice access to data in volumes created else. This initial implementation supports ConfigMaps only, as this is the only external volume mounting required by current microservices. -.Values.externalValues is a list of objects. Each object has 3 required fields and 1 optional field: +.Values.externalVolumes is a list of objects. Each object has 3 required fields and 2 optional fields: - name: the name of the resource (in the current implementation, it must be a ConfigMap) that is to be set up as a volume. The value is a case sensitive string. Because the names of resources are sometimes set at deployment time (for instance, to prefix the Helm @@ -91,6 +91,11 @@ external volume mounting required by current microservices. value is a case-sensitive string. - readOnly: (Optional) Boolean flag. Set to true to mount the volume as read-only. Defaults to false. + - optional: (Optional) Boolean flag. Set to true to make the configMap optional (i.e., to allow the + microservice's pod to start even if the configMap doesn't exist). If set to false, the configMap must + be present in order for the microservice's pod to start. Defaults to true. (Note that this + default is the opposite of the Kubernetes default. We've done this to be consistent with the behavior + of the DCAE Cloudify plugin for Kubernetes [k8splugin], which always set "optional" to true.) Here is an example fragment from a values.yaml file for a microservice: @@ -101,16 +106,19 @@ externalVolumes: - name: '{{ include "common.release" . }}-another-example' type: configmap mountPath: /opt/app/otherconfig + optional: false */}} {{- define "dcaegen2-services-common._externalVolumes" -}} {{- $global := . -}} {{- if .Values.externalVolumes }} {{- range $vol := .Values.externalVolumes }} {{- if eq (lower $vol.type) "configmap" }} - {{- $vname := (tpl $vol.name $global) }} + {{- $vname := (tpl $vol.name $global) -}} + {{- $opt := hasKey $vol "optional" | ternary $vol.optional true }} - configMap: defaultMode: 420 name: {{ $vname }} + optional: {{ $opt }} name: {{ $vname }} {{- end }} {{- end }} |