ONAP4K8s helm chart

ONAP4K8s helm chart with ONAP4K8s microservices
and related items like MongoDB, etcd, Fluentd.

Signed-off-by: Ritu Sood <ritu.sood@intel.com>
Issue-ID: MULTICLOUD-1065
Change-Id: Ibf52144b7ac44ffd96fa7175b551b10c25e652f9

1 files changed, 188 insertions, 0 deletions

diff --git a/deployments/helm/v2/onap4k8s/fluentd/templates/_helpers.tpl b/deployments/helm/v2/onap4k8s/fluentd/templates/_helpers.tpl
new file mode 100644
index 00000000..f72f6e33
--- /dev/null
+++ b/deployments/helm/v2/onap4k8s/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 -}}