add helm charts
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Ybehrooz
269
backing-services/rabbitmq/templates/_helpers.tpl
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269
backing-services/rabbitmq/templates/_helpers.tpl
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{{/*
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Copyright VMware, Inc.
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SPDX-License-Identifier: APACHE-2.0
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*/}}
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Return the proper RabbitMQ image name
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*/}}
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{{- define "rabbitmq.image" -}}
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{{ include "common.images.image" (dict "imageRoot" .Values.image "global" .Values.global) }}
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{{- end -}}
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{{/*
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Return the proper image name (for the init container volume-permissions image)
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*/}}
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{{- define "rabbitmq.volumePermissions.image" -}}
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{{ include "common.images.image" (dict "imageRoot" .Values.volumePermissions.image "global" .Values.global) }}
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{{- end -}}
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{{/*
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Return the proper Docker Image Registry Secret Names
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*/}}
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{{- define "rabbitmq.imagePullSecrets" -}}
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{{ include "common.images.renderPullSecrets" (dict "images" (list .Values.image .Values.volumePermissions.image) "context" $) }}
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{{- end -}}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "rabbitmq.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "common.names.fullname" .) .Values.serviceAccount.name }}
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{{- else -}}
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{{ default "default" .Values.serviceAccount.name }}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the password secret.
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*/}}
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{{- define "rabbitmq.secretPasswordName" -}}
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{{- if .Values.auth.existingPasswordSecret -}}
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{{- printf "%s" (tpl .Values.auth.existingPasswordSecret $) -}}
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{{- else -}}
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{{- printf "%s" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the erlang secret.
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*/}}
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{{- define "rabbitmq.secretErlangName" -}}
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{{- if .Values.auth.existingErlangSecret -}}
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{{- printf "%s" (tpl .Values.auth.existingErlangSecret $) -}}
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{{- else -}}
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{{- printf "%s" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the TLS secret.
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*/}}
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{{- define "rabbitmq.tlsSecretName" -}}
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{{- if .Values.auth.tls.existingSecret -}}
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{{- printf "%s" (tpl .Values.auth.tls.existingSecret $) -}}
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{{- else -}}
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{{- printf "%s-certs" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return true if a TLS credentials secret object should be created
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*/}}
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{{- define "rabbitmq.createTlsSecret" -}}
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{{- if and .Values.auth.tls.enabled (not .Values.auth.tls.existingSecret) }}
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{{- true -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the proper RabbitMQ plugin list
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*/}}
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{{- define "rabbitmq.plugins" -}}
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{{- $plugins := .Values.plugins -}}
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{{- if .Values.extraPlugins -}}
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{{- $plugins = printf "%s %s" $plugins .Values.extraPlugins -}}
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{{- end -}}
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{{- if .Values.metrics.enabled -}}
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{{- $plugins = printf "%s %s" $plugins .Values.metrics.plugins -}}
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{{- end -}}
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{{- printf "%s" $plugins | replace " " ", " -}}
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{{- end -}}
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{{/*
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Return the number of bytes given a value
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following a base 2 o base 10 number system.
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Usage:
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{{ include "rabbitmq.toBytes" .Values.path.to.the.Value }}
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*/}}
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{{- define "rabbitmq.toBytes" -}}
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{{- $value := int (regexReplaceAll "([0-9]+).*" . "${1}") }}
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{{- $unit := regexReplaceAll "[0-9]+(.*)" . "${1}" }}
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{{- if eq $unit "Ki" }}
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{{- mul $value 1024 }}
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{{- else if eq $unit "Mi" }}
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{{- mul $value 1024 1024 }}
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{{- else if eq $unit "Gi" }}
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{{- mul $value 1024 1024 1024 }}
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{{- else if eq $unit "Ti" }}
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{{- mul $value 1024 1024 1024 1024 }}
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{{- else if eq $unit "Pi" }}
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{{- mul $value 1024 1024 1024 1024 1024 }}
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{{- else if eq $unit "Ei" }}
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{{- mul $value 1024 1024 1024 1024 1024 1024 }}
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{{- else if eq $unit "K" }}
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{{- mul $value 1000 }}
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{{- else if eq $unit "M" }}
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{{- mul $value 1000 1000 }}
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{{- else if eq $unit "G" }}
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{{- mul $value 1000 1000 1000 }}
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{{- else if eq $unit "T" }}
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{{- mul $value 1000 1000 1000 1000 }}
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{{- else if eq $unit "P" }}
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{{- mul $value 1000 1000 1000 1000 1000 }}
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{{- else if eq $unit "E" }}
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{{- mul $value 1000 1000 1000 1000 1000 1000 }}
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{{- end }}
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{{- end -}}
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{{/*
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Compile all warnings into a single message, and call fail.
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*/}}
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{{- define "rabbitmq.validateValues" -}}
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{{- $messages := list -}}
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{{- $messages := append $messages (include "rabbitmq.validateValues.ldap" .) -}}
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{{- $messages := append $messages (include "rabbitmq.validateValues.memoryHighWatermark" .) -}}
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{{- $messages := append $messages (include "rabbitmq.validateValues.ingress.tls" .) -}}
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{{- $messages := append $messages (include "rabbitmq.validateValues.auth.tls" .) -}}
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{{- $messages := without $messages "" -}}
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{{- $message := join "\n" $messages -}}
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{{- if $message -}}
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{{- printf "\nVALUES VALIDATION:\n%s" $message | fail -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Validate values of rabbitmq - LDAP support
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*/}}
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{{- define "rabbitmq.validateValues.ldap" -}}
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{{- if .Values.ldap.enabled }}
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{{- $serversListLength := len .Values.ldap.servers }}
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{{- $userDnPattern := coalesce .Values.ldap.user_dn_pattern .Values.ldap.userDnPattern }}
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{{- if or (and (not (gt $serversListLength 0)) (empty .Values.ldap.uri)) (and (not $userDnPattern) (not .Values.ldap.basedn)) }}
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rabbitmq: LDAP
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Invalid LDAP configuration. When enabling LDAP support, the parameters "ldap.servers" or "ldap.uri" are mandatory
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to configure the connection and "ldap.userDnPattern" or "ldap.basedn" are necessary to lookup the users. Please provide them:
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$ helm install {{ .Release.Name }} oci://registry-1.docker.io/bitnamicharts/rabbitmq \
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--set ldap.enabled=true \
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--set ldap.servers[0]=my-ldap-server" \
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--set ldap.port="389" \
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--set ldap.userDnPattern="cn=${username},dc=example,dc=org"
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Validate values of rabbitmq - Memory high watermark
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*/}}
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{{- define "rabbitmq.validateValues.memoryHighWatermark" -}}
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{{- if and (not (eq .Values.memoryHighWatermark.type "absolute")) (not (eq .Values.memoryHighWatermark.type "relative")) }}
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rabbitmq: memoryHighWatermark.type
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Invalid Memory high watermark type. Valid values are "absolute" and
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"relative". Please set a valid mode (--set memoryHighWatermark.type="xxxx")
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{{- else if and .Values.memoryHighWatermark.enabled (not .Values.resources.limits.memory) (eq .Values.memoryHighWatermark.type "relative") }}
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rabbitmq: memoryHighWatermark
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You enabled configuring memory high watermark using a relative limit. However,
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no memory limits were defined at POD level. Define your POD limits as shown below:
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$ helm install {{ .Release.Name }} oci://registry-1.docker.io/bitnamicharts/rabbitmq \
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--set memoryHighWatermark.enabled=true \
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--set memoryHighWatermark.type="relative" \
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--set memoryHighWatermark.value="0.4" \
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--set resources.limits.memory="2Gi"
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Altenatively, user an absolute value for the memory memory high watermark :
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$ helm install {{ .Release.Name }} oci://registry-1.docker.io/bitnamicharts/rabbitmq \
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--set memoryHighWatermark.enabled=true \
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--set memoryHighWatermark.type="absolute" \
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--set memoryHighWatermark.value="512MB"
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{{- end -}}
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{{- end -}}
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{{/*
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Validate values of rabbitmq - TLS configuration for Ingress
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*/}}
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{{- define "rabbitmq.validateValues.ingress.tls" -}}
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{{- if and .Values.ingress.enabled .Values.ingress.tls (not (include "common.ingress.certManagerRequest" ( dict "annotations" .Values.ingress.annotations ))) (not .Values.ingress.selfSigned) (not .Values.ingress.existingSecret) (empty .Values.ingress.extraTls) }}
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rabbitmq: ingress.tls
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You enabled the TLS configuration for the default ingress hostname but
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you did not enable any of the available mechanisms to create the TLS secret
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to be used by the Ingress Controller.
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Please use any of these alternatives:
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- Use the `ingress.extraTls` and `ingress.secrets` parameters to provide your custom TLS certificates.
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- Use the `ingress.existingSecret` to provide your custom TLS certificates.
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- Rely on cert-manager to create it by setting the corresponding annotations
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- Rely on Helm to create self-signed certificates by setting `ingress.selfSigned=true`
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{{- end -}}
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{{- end -}}
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{{/*
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Validate values of RabbitMQ - Auth TLS enabled
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*/}}
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{{- define "rabbitmq.validateValues.auth.tls" -}}
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{{- if and .Values.auth.tls.enabled (not .Values.auth.tls.autoGenerated) (not .Values.auth.tls.existingSecret) (not .Values.auth.tls.caCertificate) (not .Values.auth.tls.serverCertificate) (not .Values.auth.tls.serverKey) }}
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rabbitmq: auth.tls
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You enabled TLS for RabbitMQ but you did not enable any of the available mechanisms to create the TLS secret.
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Please use any of these alternatives:
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- Provide an existing secret containing the TLS certificates using `auth.tls.existingSecret`
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- Provide the plain text certificates using `auth.tls.caCertificate`, `auth.tls.serverCertificate` and `auth.tls.serverKey`.
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- Enable auto-generated certificates using `auth.tls.autoGenerated`.
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{{- end -}}
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{{- end -}}
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{{/*
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Get the initialization scripts volume name.
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*/}}
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{{- define "rabbitmq.initScripts" -}}
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{{- printf "%s-init-scripts" (include "common.names.fullname" .) -}}
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{{- end -}}
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{{/*
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Returns the available value for certain key in an existing secret (if it exists),
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otherwise it generates a random value.
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*/}}
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{{- define "getValueFromSecret" }}
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{{- $len := (default 16 .Length) | int -}}
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{{- $obj := (lookup "v1" "Secret" .Namespace .Name).data -}}
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{{- if $obj }}
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{{- index $obj .Key | b64dec -}}
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{{- else -}}
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{{- randAlphaNum $len -}}
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{{- end -}}
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{{- end }}
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{{/*
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Get the extraConfigurationExistingSecret secret.
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*/}}
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{{- define "rabbitmq.extraConfiguration" -}}
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{{- if not (empty .Values.extraConfigurationExistingSecret) -}}
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{{- include "getValueFromSecret" (dict "Namespace" .Release.Namespace "Name" .Values.extraConfigurationExistingSecret "Length" 10 "Key" "extraConfiguration") -}}
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{{- else -}}
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{{- tpl .Values.extraConfiguration . -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Get the TLS.sslOptions.Password secret.
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*/}}
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{{- define "rabbitmq.tlsSslOptionsPassword" -}}
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{{- if not (empty .Values.auth.tls.sslOptionsPassword.password) -}}
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{{- .Values.auth.tls.sslOptionsPassword.password -}}
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{{- else -}}
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{{- include "getValueFromSecret" (dict "Namespace" .Release.Namespace "Name" .Values.auth.tls.sslOptionsPassword.existingSecret "Length" 10 "Key" .Values.auth.tls.sslOptionsPassword.key) -}}
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{{- end -}}
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{{- end -}}
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