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

{{/*
Maintainer - Akshay Gupta
Tolerations and nodeSelector via Resources Requests.
*/}}
{{- define "meesho.server.getCpu" -}}
{{- $cpu := toString .Values.server.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.server.getMem" -}}
{{- $mem := toString .Values.server.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.server.getRatio" -}}
{{- $cpu := (include "meesho.server.getCpu" .) -}}
{{- $mem := (include "meesho.server.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.server.dedicatedValue" -}}
{{- if (index .Values.server.labels "arch") -}}
{{- if (index .Values.server.labels "runpod") -}}
{{- $cpu := (include "meesho.server.getCpu" .) -}}
{{- $mem := (include "meesho.server.getMem" .) -}}
{{- $ratio := (include "meesho.server.getRatio" .) -}}
{{- $arch := .Values.server.labels.arch -}}
{{- $runPod := .Values.server.labels.runpod -}}
{{- printf "%s-%s-%s" $ratio $arch $runPod -}}
{{- else -}}
{{- printf "missing-runpod-label" -}}
{{- end -}}
{{- else -}}
{{- printf "missing-arch-label" -}}
{{- end -}}
{{/*- printf "%s-%s-%s-%s-%s" $ratio $arch $runPod $cpu $mem -*/}}
{{- end -}}

{{/*
Maintainer - Akshay Gupta
Tolerations and nodeSelector via Resources Requests.
*/}}
{{- define "meesho.alertmanager.getCpu" -}}
{{- $cpu := toString .Values.alertmanager.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.alertmanager.getMem" -}}
{{- $mem := toString .Values.alertmanager.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.alertmanager.getRatio" -}}
{{- $cpu := (include "meesho.alertmanager.getCpu" .) -}}
{{- $mem := (include "meesho.alertmanager.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.alertmanager.dedicatedValue" -}}
{{- if (index .Values.alertmanager.labels "arch") -}}
{{- if (index .Values.alertmanager.labels "runpod") -}}
{{- $cpu := (include "meesho.alertmanager.getCpu" .) -}}
{{- $mem := (include "meesho.alertmanager.getMem" .) -}}
{{- $ratio := (include "meesho.alertmanager.getRatio" .) -}}
{{- $arch := .Values.alertmanager.labels.arch -}}
{{- $runPod := .Values.alertmanager.labels.runpod -}}
{{- printf "%s-%s-%s" $ratio $arch $runPod -}}
{{- else -}}
{{- printf "missing-runpod-label" -}}
{{- end -}}
{{- else -}}
{{- printf "missing-arch-label" -}}
{{- end -}}
{{/*- printf "%s-%s-%s-%s-%s" $ratio $arch $runPod $cpu $mem -*/}}
{{- 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 "vmalert.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 "vmalert.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{/*
Create unified labels for vmalert components
*/}}
{{- define "vmalert.common.matchLabels" -}}
app.kubernetes.io/name: {{ include "vmalert.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end -}}

{{- define "vmalert.common.metaLabels" -}}
helm.sh/chart: {{ include "vmalert.chart" . }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end -}}

{{- define "vmalert.server.labels" -}}
{{- toYaml .Values.server.labels | nindent 0 }}
{{ include "vmalert.server.matchLabels" . }}
{{ include "vmalert.common.metaLabels" . }}
{{- end -}}

{{- define "vmalert.server.matchLabels" -}}
app: {{ .Values.server.name }}
{{ include "vmalert.common.matchLabels" . }}
{{- end -}}

{{/*
Create a fully qualified server name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "vmalert.server.fullname" -}}
{{- if .Values.server.fullnameOverride -}}
{{- .Values.server.fullnameOverride | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- if contains $name .Release.Name -}}
{{- printf "%s-%s" .Release.Name .Values.server.name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- printf "%s-%s-%s" .Release.Name $name .Values.server.name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
{{- end -}}


{{- define "vmalert.server.configname" -}}
{{- if .Values.server.configMap -}}
{{- .Values.server.configMap -}}
{{- else -}}
{{- include "vmalert.server.fullname" . -}}-alert-rules-config
{{- end -}}
{{- end -}}

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



{{- define "vmalert.alertmanager.labels" -}}
{{- toYaml .Values.alertmanager.labels | nindent 0 }}
{{ include "vmalert.alertmanager.matchLabels" . }}
{{ include "vmalert.common.metaLabels" . }}
{{- end -}}

{{- define "vmalert.alertmanager.matchLabels" -}}
app: alertmanager
{{ include "vmalert.common.matchLabels" . }}
{{- end -}}

{{/*
Create a fully qualified server name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "vmalert.alertmanager.fullname" -}}
{{- if .Values.alertmanager.fullnameOverride -}}
{{- .Values.alertmanager.fullnameOverride | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- if contains $name .Release.Name -}}
{{- printf "%s-%s" .Release.Name .Values.alertmanager.name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- printf "%s-%s-%s" .Release.Name $name .Values.alertmanager.name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
{{- end -}}

{{- define "vmalert.alertmanager.configname" -}}
{{- if .Values.alertmanager.configMap -}}
{{- .Values.alertmanager.configMap -}}
{{- else -}}
{{- include "vmalert.alertmanager.fullname" . -}}-alertmanager-config
{{- end -}}
{{- end -}}

{{- define "vmalert.alertmanager.url" -}}
{{- if .Values.alertmanager.enabled -}}
http://{{- include "vmalert.alertmanager.fullname" . -}}:9093
{{- else -}}
{{- .Values.server.notifier.alertmanager.url -}}
{{- end -}}
{{- end -}}

{{- define "vmalert.alertmanager.urls" -}}
{{- $urls := list -}}
{{- with (include "vmalert.alertmanager.url" .) -}}
{{- $urls = append $urls . -}}
{{- end -}}
{{- range .Values.server.notifiers }}
    {{- if not (eq .alertmanager.url "") -}}
        {{- $urls = append $urls .alertmanager.url -}}
    {{- end -}}
{{- end -}}
{{- join "," $urls }}
{{- end -}}

{{- define "vmalert.alertmanager.passwords" -}}
{{- $password := list -}}
{{- if .Values.alertmanager.enabled -}}
{{- $password = append $password "" -}}
{{- end -}}
{{- $notifiers := append .Values.server.notifiers .Values.server.notifier }}
{{- range $notifiers }}
    {{- if not (eq .alertmanager.url "") -}}
        {{- if and .alertmanager.basicAuth .alertmanager.basicAuth.password -}}
            {{- $password = append $password .alertmanager.basicAuth.password -}}
        {{- else -}}
            {{- $password = append $password "" -}}
        {{- end -}}
    {{- end -}}
{{- end -}}
{{ include "_vmalert.optionalPrintList" $password }}
{{- end -}}

{{- define "vmalert.alertmanager.usernames" -}}
{{- $usernames := list -}}
{{- if .Values.alertmanager.enabled -}}
{{- $usernames = append $usernames "" -}}
{{- end -}}
{{- $notifiers := append .Values.server.notifiers .Values.server.notifier }}
{{- range $notifiers }}
    {{- if not (eq .alertmanager.url "") -}}
        {{- if and .alertmanager.basicAuth .alertmanager.basicAuth.username -}}
            {{- $usernames = append $usernames .alertmanager.basicAuth.username -}}
        {{- else -}}
            {{- $usernames = append $usernames "" -}}
        {{- end -}}
    {{- end -}}
{{- end -}}
{{ include "_vmalert.optionalPrintList" $usernames }}
{{- end -}}

{{- define "vmalert.alertmanager.bearerTokens" -}}
{{- $tokens := list -}}
{{- if .Values.alertmanager.enabled -}}
{{- $tokens = append $tokens "" -}}
{{- end -}}
{{- $notifiers := append .Values.server.notifiers .Values.server.notifier }}
{{- range $notifiers }}
    {{- if not (eq .alertmanager.url "") -}}
        {{- if and .alertmanager.bearer .alertmanager.bearer.token -}}
            {{- $tokens = append $tokens .alertmanager.bearer.token -}}
        {{- else -}}
            {{- $tokens = append $tokens "" -}}
        {{- end -}}
    {{- end -}}
{{- end -}}
{{ include "_vmalert.optionalPrintList" $tokens }}
{{- end -}}


{{- define "vmalert.alertmanager.bearerTokenFiles" -}}
{{- $files := list -}}
{{- if .Values.alertmanager.enabled -}}
{{- $files = append $files "" -}}
{{- end -}}
{{- $notifiers := append .Values.server.notifiers .Values.server.notifier }}
{{- range $notifiers }}
    {{- if not (eq .alertmanager.url "") -}}
        {{- if and .alertmanager.bearer .alertmanager.bearer.tokenFile -}}
            {{- $files = append $files .alertmanager.bearer.tokenFile -}}
        {{- else -}}
            {{- $files = append $files "" -}}
        {{- end -}}
    {{- end -}}
{{- end -}}
{{ include "_vmalert.optionalPrintList" $files }}
{{- end -}}

{{- define "_vmalert.optionalPrintList" }}
{{- $str := join "," . -}}
{{- $cleared := $str | replace "," "" | trim -}}
{{- if eq $cleared "" -}}
{{ $cleared }}
{{- else -}}
{{ $str }}
{{- end -}}
{{- end -}}


{{/*
Return the appropriate apiVersion for ingress.
*/}}
{{- define "vmalert.ingress.apiVersion" -}}
  {{- if and (.Capabilities.APIVersions.Has "networking.k8s.io/v1") -}}
      {{- print "networking.k8s.io/v1" -}}
  {{- else if .Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" -}}
    {{- print "networking.k8s.io/v1beta1" -}}
  {{- else -}}
    {{- print "extensions/v1beta1" -}}
  {{- end -}}
{{- end -}}

{{/*
Return if ingress is stable.
*/}}
{{- define "vmalert.ingress.isStable" -}}
  {{- eq (include "vmalert.ingress.apiVersion" .) "networking.k8s.io/v1" -}}
{{- end -}}

{{/*
Return if ingress supports ingressClassName.
*/}}
{{- define "vmalert.ingress.supportsIngressClassName" -}}
  {{- or (eq (include "vmalert.ingress.isStable" .) "true") (and (eq (include "vmalert.ingress.apiVersion" .) "networking.k8s.io/v1beta1")) -}}
{{- end -}}

{{/*
Return if ingress supports pathType.
*/}}
{{- define "vmalert.ingress.supportsPathType" -}}
  {{- or (eq (include "vmalert.ingress.isStable" .) "true") (and (eq (include "vmalert.ingress.apiVersion" .) "networking.k8s.io/v1beta1")) -}}
{{- end -}}