devops-infra-helm-charts-gcp/helm-templates/telegraf-operator/templates/_helpers.tpl

{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "telegraf-operator.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{/*
Maintainer - Akshay Gupta
Tolerations and nodeSelector via Resources Requests.
*/}}
{{- define "meesho.getCpu" -}}
{{- $cpu := toString .Values.resources.requests.cpu -}}
{{- if contains "m" $cpu -}}
{{- $cpu := trimAll "m" $cpu | float64 -}}
{{- $cpu := $cpu | float64 -}}
{{- printf "%f" $cpu -}}
{{- else -}}
{{- $cpu := mulf $cpu 1000.000 -}}
{{- printf "%f" $cpu -}}
{{- end -}}
{{- end -}}

{{- define "meesho.getMem" -}}
{{- $mem := toString .Values.resources.requests.memory -}}
{{- if contains "Mi" $mem -}}
{{- $mem := trimAll "Mi" $mem | float64 -}}
{{- printf "%f" $mem -}}
{{- else if contains "Gi" $mem -}}
{{- $mem := trimAll "Gi" $mem | float64 -}}
{{- $mem := mulf $mem 1024.000 -}}
{{- printf "%f" $mem -}}
{{- end -}}
{{- end -}}

{{- define "meesho.getRatio" -}}
{{- $cpu := (include "meesho.getCpu" .) -}}
{{- $mem := (include "meesho.getMem" .) -}}
{{- $ratio := divf $mem $cpu -}}
{{- if gt $ratio 4.00 -}}
{{- printf "1to8" -}}
{{- else if gt $ratio 2.00 -}}
{{- printf "1to4" -}}
{{- else -}}
{{- printf "1to2" -}}
{{- end -}}
{{- end -}}

{{- define "meesho.dedicatedValue" -}}
{{- if (index .Values.labels "arch") -}}
{{- if (index .Values.labels "runpod") -}}
{{- $cpu := (include "meesho.getCpu" .) -}}
{{- $mem := (include "meesho.getMem" .) -}}
{{- $ratio := (include "meesho.getRatio" .) -}}
{{- $arch := .Values.labels.arch -}}
{{- $runPod := .Values.labels.runpod -}}
{{- printf "%s-%s-%s" $ratio $arch $runPod -}}
{{- else -}}
{{- printf "missing-runpod-label" -}}
{{- end -}}
{{- else -}}
{{- printf "missing-arch-label" -}}
{{- end -}}
{{- 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 "telegraf-operator.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 "telegraf-operator.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{/*
Common labels
*/}}
{{- define "telegraf-operator.labels" -}}
helm.sh/chart: {{ include "telegraf-operator.chart" . }}
{{ include "telegraf-operator.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end -}}

{{/*
Selector labels
*/}}
{{- define "telegraf-operator.selectorLabels" -}}
app.kubernetes.io/name: {{ include "telegraf-operator.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end -}}

{{/*
Create the name of the service account to use
*/}}
{{- define "telegraf-operator.serviceAccountName" -}}
{{- if .Values.serviceAccount.create -}}
    {{ default (include "telegraf-operator.fullname" .) .Values.serviceAccount.name }}
{{- else -}}
    {{ default "default" .Values.serviceAccount.name }}
{{- end -}}
{{- end -}}

{{/*
Generate certificates for telegraf-operator mutating webhook
*/}}
{{- define "telegraf-operator.non_certmanager" -}}
{{- $altNames := list ( printf "%s.%s" (include "telegraf-operator.fullname" .) .Release.Namespace ) ( printf "%s.%s.svc" (include "telegraf-operator.fullname" .) .Release.Namespace ) -}}
{{- $ca := genCA "telegraf-operator-ca" 365 -}}
{{- $cert := genSignedCert ( include "telegraf-operator.fullname" . ) nil $altNames 365 $ca -}}
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  annotations:
    cert-manager.io/inject-ca-from: "{{ .Values.namespace }}/{{ include "telegraf-operator.fullname" . }}"
  labels:
    {{- include "telegraf-operator.labels" . | nindent 4 }}
  name: {{ include "telegraf-operator.fullname" . }}
webhooks:
- clientConfig:
    service:
      name: {{ include "telegraf-operator.fullname" . }}
      namespace: {{ .Release.Namespace }}
      path: /mutate-v1-pod
    caBundle: {{ $ca.Cert | b64enc }}
  failurePolicy: Ignore
  sideEffects: None
  admissionReviewVersions:
  - 'v1'
  name: telegraf.influxdata.com
  {{- if .Values.webhook.excludeNamespaces }}
  namespaceSelector:
    matchExpressions:
    - key: kubernetes.io/metadata.name
      operator: NotIn
      values:
      {{- range .Values.webhook.excludeNamespaces }}
      - {{ . | quote }}
      {{- end }}
  {{- end }}
  rules:
  - apiGroups:
    - '*'
    apiVersions:
    - '*'
    operations:
    - CREATE
    - DELETE
    resources:
    - pods
---
apiVersion: v1
kind: Secret
type: kubernetes.io/tls
metadata:
  name: telegraf-operator-tls
  labels:
    {{- include "telegraf-operator.labels" . | nindent 4 }}
  annotations:
    "helm.sh/hook": "pre-install,pre-upgrade"
    "helm.sh/hook-delete-policy": "before-hook-creation"
data:
  tls.crt: {{ $cert.Cert | b64enc }}
  tls.key: {{ $cert.Key | b64enc }}
{{- end -}}