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261ce4278f
Changing `cloudInitSeed` will trigger cloud-init reinitialization, including ssh keys update and static network config refresh. Signed-off-by: Denis Seleznev <kto.3decb@gmail.com>
72 lines
2.4 KiB
Smarty
72 lines
2.4 KiB
Smarty
{{/*
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Expand the name of the chart.
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*/}}
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{{- define "virtual-machine.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "virtual-machine.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "virtual-machine.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "virtual-machine.labels" -}}
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helm.sh/chart: {{ include "virtual-machine.chart" . }}
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{{ include "virtual-machine.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "virtual-machine.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "virtual-machine.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Generate a stable UUID for cloud-init re-initialization upon upgrade.
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*/}}
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{{- define "virtual-machine.stableUuid" -}}
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{{- $source := printf "%s-%s-%s" .Release.Namespace (include "virtual-machine.fullname" .) .Values.cloudInitSeed }}
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{{- $hash := sha256sum $source }}
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{{- $uuid := printf "%s-%s-4%s-9%s-%s" (substr 0 8 $hash) (substr 8 12 $hash) (substr 13 16 $hash) (substr 17 20 $hash) (substr 20 32 $hash) }}
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{{- if eq .Values.cloudInitSeed "" }}
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{{- /* Try to save previous uuid to not trigger full cloud-init again if user decided to remove the seed. */}}
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{{- $vmResource := lookup "kubevirt.io/v1" "VirtualMachine" .Release.Namespace (include "virtual-machine.fullname" .) -}}
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{{- if $vmResource }}
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{{- $existingUuid := $vmResource | dig "spec" "template" "spec" "domain" "firmware" "uuid" "" }}
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{{- if $existingUuid }}
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{{- $uuid = $existingUuid }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- $uuid }}
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{{- end }}
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