diff options
Diffstat (limited to 'deployments/helm/v2/emco/fluentd/templates/_helpers.tpl')
| -rw-r--r-- | deployments/helm/v2/emco/fluentd/templates/_helpers.tpl | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/deployments/helm/v2/emco/fluentd/templates/_helpers.tpl b/deployments/helm/v2/emco/fluentd/templates/_helpers.tpl new file mode 100644 index 00000000..f72f6e33 --- /dev/null +++ b/deployments/helm/v2/emco/fluentd/templates/_helpers.tpl @@ -0,0 +1,188 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "fluentd.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "fluentd.fullname" -}} +{{- if .Values.fullnameOverride -}} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- $name := default .Chart.Name .Values.nameOverride -}} +{{- if contains $name .Release.Name -}} +{{- .Release.Name | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} +{{- end -}} +{{- end -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "fluentd.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Common labels +*/}} +{{- define "fluentd.labels" -}} +app.kubernetes.io/name: {{ include "fluentd.name" . }} +helm.sh/chart: {{ include "fluentd.chart" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end -}} + +{{/* +Labels to use on daemonset.spec.selector.matchLabels, statefulset.spec.selector.matchLabels and svc.spec.selector +*/}} +{{- define "fluentd.matchLabels" -}} +app.kubernetes.io/name: {{ include "fluentd.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end -}} + +{{/* +Return the proper Fluentd image name +*/}} +{{- define "fluentd.image" -}} +{{- $registryName := .Values.image.registry -}} +{{- $repositoryName := .Values.image.repository -}} +{{- $tag := .Values.image.tag | toString -}} +{{/* +Helm 2.11 supports the assignment of a value to a variable defined in a different scope, +but Helm 2.9 and 2.10 doesn't support it, so we need to implement this if-else logic. +Also, we can't use a single if because lazy evaluation is not an option +*/}} +{{- if .Values.global.imageRegistry }} + {{- printf "%s/%s:%s" .Values.global.imageRegistry $repositoryName $tag -}} +{{- else -}} + {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}} +{{- end -}} +{{- end -}} + +{{/* +Return the proper Docker Image Registry Secret Names +*/}} +{{- define "fluentd.imagePullSecrets" -}} +{{/* +Helm 2.11 supports the assignment of a value to a variable defined in a different scope, +but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. +Also, we can not use a single if because lazy evaluation is not an option +*/}} +{{- if .Values.global.imagePullSecrets }} +imagePullSecrets: +{{- range .Values.global.imagePullSecrets }} + - name: {{ . }} +{{- end }} +{{- else if .Values.image.pullSecrets }} +imagePullSecrets: +{{- range .Values.image.pullSecrets }} + - name: {{ . }} +{{- end }} +{{- end -}} +{{- end -}} + +{{/* +Create the name of the service account to use +*/}} +{{- define "fluentd.serviceAccountName" -}} +{{- if .Values.serviceAccount.create -}} + {{ default (include "fluentd.fullname" .) .Values.serviceAccount.name }} +{{- else -}} + {{ default "default" .Values.serviceAccount.name }} +{{- end -}} +{{- end -}} + +{{/* Check if there are rolling tags in the images */}} +{{- define "fluentd.checkRollingTags" -}} +{{- if and (contains "bitnami/" .Values.image.repository) (not (.Values.image.tag | toString | regexFind "-r\\d+$|sha256:")) }} +WARNING: Rolling tag detected ({{ .Values.image.repository }}:{{ .Values.image.tag }}), please note that it is strongly recommended to avoid using rolling tags in a production environment. ++info https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/ +{{- end }} +{{- end -}} + +{{/* +Validate data +*/}} +{{- define "fluentd.validateValues" -}} +{{- $messages := list -}} +{{- $messages := append $messages (include "fluentd.validateValues.deployment" .) -}} +{{- $messages := append $messages (include "fluentd.validateValues.rbac" .) -}} +{{- $messages := without $messages "" -}} +{{- $message := join "\n" $messages -}} + {{- if $message -}} +{{- printf "\nVALUES VALIDATION:\n%s" $message | fail -}} +{{- end -}} +{{- end -}} + +{{/* Validate values of Fluentd - forwarders and aggregators can't be disabled at the same time */}} +{{- define "fluentd.validateValues.deployment" -}} +{{- if and (not .Values.forwarder.enabled) (not .Values.aggregator.enabled) -}} +fluentd: + You have disabled both the forwarders and the aggregators. + Please enable at least one of them (--set forwarder.enabled=true) (--set aggregator.enabled=true) +{{- end -}} +{{- end -}} + +{{/* Validate values of Fluentd - must create serviceAccount to create enable RBAC */}} +{{- define "fluentd.validateValues.rbac" -}} +{{- if and .Values.rbac.create (not .Values.serviceAccount.create) -}} +fluentd: rbac.create + A ServiceAccount is required ("rbac.create=true" is set) + Please create a ServiceAccount (--set serviceAccount.create=true) +{{- end -}} +{{- end -}} + +{{/* +Get the forwarder configmap name. +*/}} +{{- define "fluentd.forwarder.configMap" -}} +{{- if .Values.forwarder.configMap -}} + {{- printf "%s" (tpl .Values.forwarder.configMap $) -}} +{{- else -}} + {{- printf "%s-forwarder-cm" (include "fluentd.fullname" . ) -}} +{{- end -}} +{{- end -}} + +{{/* +Get the aggregator configmap name. +*/}} +{{- define "fluentd.aggregator.configMap" -}} +{{- if .Values.aggregator.configMap -}} + {{- printf "%s" (tpl .Values.aggregator.configMap $) -}} +{{- else -}} + {{- printf "%s-aggregator-cm" (include "fluentd.fullname" . ) -}} +{{- end -}} +{{- end -}} + +{{/* +Get the certificates secret name. +*/}} +{{- define "fluentd.tls.secretName" -}} +{{- if .Values.tls.existingSecret -}} + {{- printf "%s" (tpl .Values.tls.existingSecret $) -}} +{{- else -}} + {{- printf "%s-tls" (include "fluentd.fullname" . ) -}} +{{- end -}} +{{- end -}} + +{{/* +Renders a value that contains template. +Usage: +{{ include "fluentd.tplValue" (dict "value" .Values.path.to.the.Value "context" $) }} +*/}} +{{- define "fluentd.tplValue" -}} + {{- if typeIs "string" .value }} + {{- tpl .value .context }} + {{- else }} + {{- tpl (.value | toYaml) .context }} + {{- end }} +{{- end -}} |