kfox1111
c1e4feb34d
Fixes: https://github.com/spiffe/helm-charts-hardened/issues/312 Signed-off-by: Kevin Fox <[email protected]>
339 lines
11 KiB
Smarty
339 lines
11 KiB
Smarty
{{- define "spire-lib.cluster-name" }}
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{{- if ne (len (dig "spire" "clusterName" "" .Values.global)) 0 }}
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{{- .Values.global.spire.clusterName }}
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{{- else }}
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{{- .Values.clusterName }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.trust-domain" }}
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{{- if ne (len (dig "spire" "trustDomain" "" .Values.global)) 0 }}
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{{- .Values.global.spire.trustDomain }}
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{{- else }}
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{{- .Values.trustDomain }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.jwt-issuer" }}
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{{- if ne (len (dig "spire" "jwtIssuer" "" .Values.global)) 0 }}
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{{- .Values.global.spire.jwtIssuer }}
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{{- else if ne (len .Values.jwtIssuer) 0 }}
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{{- .Values.jwtIssuer }}
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{{- else }}
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{{- printf "https://oidc-discovery.%s" (include "spire-lib.trust-domain" .) }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.bundle-configmap" }}
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{{- if ne (len (dig "spire" "bundleConfigMap" "" .Values.global)) 0 }}
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{{- .Values.global.spire.bundleConfigMap }}
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{{- else }}
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{{- .Values.bundleConfigMap }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.cluster-domain" -}}
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{{- if ne (len (dig "k8s" "clusterDomain" "" .Values.global)) 0 }}
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{{- .Values.global.k8s.clusterDomain }}
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{{- else }}
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{{- .Values.clusterDomain }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.registry" }}
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{{- if ne (len (dig "spire" "image" "registry" "" .global)) 0 }}
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{{- print .global.spire.image.registry "/"}}
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{{- else if ne (len (.image.registry)) 0 }}
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{{- print .image.registry "/"}}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.image" -}}
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{{- $registry := include "spire-lib.registry" . }}
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{{- $repo := .image.repository }}
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{{- $tag := .image.tag | toString }}
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{{- if eq (substr 0 7 $tag) "sha256:" }}
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{{- printf "%s/%s@%s" $registry $repo $tag }}
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{{- else if .appVersion }}
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{{- $appVersion := .appVersion }}
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{{- if and (hasKey . "ubi") (dig "openshift" false .global) }}
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{{- $appVersion = printf "ubi-%s" $appVersion }}
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{{- end }}
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{{- printf "%s%s:%s" $registry $repo (default $appVersion $tag) }}
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{{- else if $tag }}
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{{- printf "%s%s:%s" $registry $repo $tag }}
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{{- else }}
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{{- printf "%s%s" $registry $repo }}
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{{- end }}
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{{- end }}
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{{/* Takes in a dictionary with keys:
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* global - the standard global object
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* ingress - a standard format ingress config object
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*/}}
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{{- define "spire-lib.ingress-controller-type" }}
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{{- $type := "" }}
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{{- if ne (len (dig "spire" "ingressControllerType" "" .global)) 0 }}
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{{- $type = .global.spire.ingressControllerType }}
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{{- else if ne .ingress.controllerType "" }}
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{{- $type = .ingress.controllerType }}
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{{- else if (dig "openshift" false .global) }}
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{{- $type = "openshift" }}
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{{- else }}
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{{- $type = "other" }}
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{{- end }}
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{{- if not (has $type (list "ingress-nginx" "openshift" "other")) }}
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{{- fail "Unsupported ingress controller type specified. Must be one of [ingress-nginx, openshift, other]" }}
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{{- end }}
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{{- $type }}
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{{- end }}
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{{/* Takes in a dictionary with keys:
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* ingress - the standardized ingress object
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* Values - Chart values
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*/}}
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{{ define "spire-lib.ingress-calculated-name" }}
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{{- $host := .ingress.host }}
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{{- if not (contains "." $host) }}
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{{- $host = printf "%s.%s" $host (include "spire-lib.trust-domain" .) }}
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{{- end }}
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{{- $host }}
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{{- end }}
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{{/* Takes in a dictionary with keys:
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* ingress - the standardized ingress object
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* svcName - The service to route to
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* port - which port on the service to use
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* path - optional path to set on the rules
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* pathType - typical ingress path type
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* tlsSection - bool specifying to add by default the tls section to the ingress. Ingress-nginx needs true, openshift needs false.
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* Values - Chart values
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*/}}
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{{ define "spire-lib.ingress-spec" }}
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{{- $host := include "spire-lib.ingress-calculated-name" . }}
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{{- $svcName := .svcName }}
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{{- $port := .port }}
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{{- with .ingress.className }}
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ingressClassName: {{ . | quote }}
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{{- end }}
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{{- if eq (add (len .ingress.tls) (len .ingress.hosts)) 0 }}
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{{ if or .tlsSection .ingress.tlsSecret }}
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tls:
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- hosts:
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- {{ $host | quote }}
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{{- with .ingress.tlsSecret }}
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secretName: {{ . | quote }}
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{{- end }}
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{{- end }}
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rules:
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- host: {{ $host | quote }}
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http:
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paths:
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- pathType: {{ .pathType }}
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{{- with .path }}
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path: {{ . }}
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{{- end }}
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backend:
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service:
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name: {{ $svcName | quote }}
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port:
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number: {{ $port }}
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{{- else }}
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{{- if .ingress.tls }}
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tls:
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{{- range .ingress.tls }}
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- hosts:
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{{- range .hosts }}
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- {{ . | quote }}
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{{- end }}
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secretName: {{ .secretName | quote }}
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{{- end }}
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{{- end }}
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rules:
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{{- range .ingress.hosts }}
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- host: {{ .host | quote }}
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http:
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paths:
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{{- range .paths }}
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- path: {{ .path }}
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pathType: {{ .pathType }}
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backend:
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service:
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name: {{ $svcName | quote }}
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port:
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number: {{ $port }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.kubectl-image" }}
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{{- $root := deepCopy . }}
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{{- $tag := $root.image.tag | toString }}
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{{- if eq (len $tag) 0 }}
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{{- if dig "spire" "tools" "kubectl" "tag" "" $root.global }}
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{{- $_ := set $root.image "tag" $root.global.spire.tools.kubectl.tag }}
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{{- else }}
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{{- $_ := set $root.image "tag" (regexReplaceAll "^(v?\\d+\\.\\d+\\.\\d+).*" $root.KubeVersion "${1}") }}
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{{- end }}
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{{- end }}
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{{- include "spire-lib.image" $root }}
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{{- end }}
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{{/*
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Take in an array of, '.', a failure string to display, and boolean to to display it,
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if strictMode is enabled and the boolean is true
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*/}}
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{{- define "spire-lib.check-strict-mode" }}
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{{ $root := index . 0 }}
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{{ $message := index . 1 }}
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{{ $condition := index . 2 }}
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{{- if or (dig "spire" "strictMode" false $root.Values.global) (and (dig "spire" "recommendations" "enabled" false $root.Values.global) (dig "spire" "recommendations" "strictMode" true $root.Values.global)) }}
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{{- if $condition }}
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{{- fail $message }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Take a copy of the config and merge in .Values.customPlugins and .Values.unsupportedBuiltInPlugins passed through as root.
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*/}}
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{{- define "spire-lib.config_merge" }}
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{{- $pluginsToMerge := dict "plugins" dict }}
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{{- range $type, $val := .root.Values.customPlugins }}
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{{- if . }}
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{{- if eq $type "svidstore" }}
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{{- $_ := set $pluginsToMerge.plugins "SVIDStore" (deepCopy $val) }}
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{{- else }}
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{{- $nt := printf "%s%s" (substr 0 1 $type | upper) (substr 1 -1 $type) }}
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{{- $_ := set $pluginsToMerge.plugins $nt (deepCopy $val) }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- range $type, $val := .root.Values.unsupportedBuiltInPlugins }}
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{{- if . }}
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{{- if eq $type "svidstore" }}
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{{- $_ := set $pluginsToMerge.plugins "SVIDStore" (deepCopy $val) }}
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{{- else }}
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{{- $nt := printf "%s%s" (substr 0 1 $type | upper) (substr 1 -1 $type) }}
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{{- $_ := set $pluginsToMerge.plugins $nt (deepCopy $val) }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- $newConfig := .config | fromYaml | mustMerge $pluginsToMerge }}
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{{- $newConfig | toYaml }}
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{{- end }}
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{{/*
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Take a copy of the plugin section and return a yaml string based version
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reformatted from a dict of dicts to a dict of lists of dicts
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*/}}
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{{- define "spire-lib.plugins_reformat" }}
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{{- range $type, $v := . }}
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{{ $type }}:
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{{- range $name, $v2 := $v }}
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- {{ $name }}: {{ $v2 | toYaml | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Take a copy of the config as a yaml config and root var.
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Merge in .root.Values.customPlugins and .Values.unsupportedBuiltInPlugins into config,
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Reformat the plugin section from a dict of dicts to a dict of lists of dicts,
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and export it back as as json string.
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This makes it much easier for users to merge in plugin configs, as dicts are easier
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to merge in values, but spire needs arrays.
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*/}}
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{{- define "spire-lib.reformat-and-yaml2json" -}}
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{{- $config := include "spire-lib.config_merge" . | fromYaml }}
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{{- $plugins := include "spire-lib.plugins_reformat" $config.plugins | fromYaml }}
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{{- $_ := set $config "plugins" $plugins }}
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{{- $config | toPrettyJson }}
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{{- end }}
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{{- define "spire-lib.default_securitycontext_values" }}
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allowPrivilegeEscalation: false
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runAsNonRoot: true
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readOnlyRootFilesystem: true
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capabilities:
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drop: [ALL]
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seccompProfile:
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type: RuntimeDefault
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{{- end }}
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{{- define "spire-lib.default_k8s_podsecuritycontext_values" }}
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fsGroupChangePolicy: OnRootMismatch
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runAsUser: 1000
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runAsGroup: 1000
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fsGroup: 1000
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{{- end }}
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{{/*
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Note: runAsUser, runAsGroup, fsGroup, are not needed due to it autoassigning restricted users feature of openshift
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*/}}
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{{- define "spire-lib.default_openshift_podsecuritycontext_values" }}
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fsGroupChangePolicy: OnRootMismatch
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{{- end }}
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{{- define "spire-lib.securitycontext" }}
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{{- include "spire-lib.securitycontext-extended" (dict "root" . "securityContext" .Values.securityContext) }}
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{{- end }}
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{{/* Same as securitycontext but takes in:
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root - global . context for the chart
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securityContext - the subbranch of values that contains the securityContext to merge
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*/}}
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{{- define "spire-lib.securitycontext-extended" }}
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{{- if and (dig "spire" "recommendations" "enabled" false .root.Values.global) (dig "spire" "recommendations" "securityContexts" true .root.Values.global) }}
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{{- $vals := deepCopy (include "spire-lib.default_securitycontext_values" .root | fromYaml) }}
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{{- $vals = mergeOverwrite $vals .securityContext }}
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{{- toYaml $vals }}
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{{- else }}
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{{- toYaml .securityContext }}
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{{- end }}
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{{- end }}
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{{- define "spire-lib.podsecuritycontext" }}
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{{- $vals := dict }}
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{{- if and (dig "spire" "recommendations" "enabled" false .Values.global) (dig "spire" "recommendations" "securityContexts" true .Values.global) }}
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{{- if (dig "openshift" false .Values.global) }}
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{{- $vals = mergeOverwrite $vals (include "spire-lib.default_openshift_podsecuritycontext_values" . | fromYaml) }}
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{{- else }}
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{{- $vals = mergeOverwrite $vals (include "spire-lib.default_k8s_podsecuritycontext_values" . | fromYaml) }}
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{{- end }}
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{{- end }}
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{{- $vals = mergeOverwrite $vals .Values.podSecurityContext }}
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{{- toYaml $vals }}
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{{- end }}
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{{- define "spire-lib.default_node_priority_class_name" }}
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{{- if .Values.priorityClassName }}
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priorityClassName: {{ .Values.priorityClassName }}
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{{- else if and (dig "spire" "recommendations" "enabled" false .Values.global) (dig "spire" "recommendations" "priorityClassName" true .Values.global) }}
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priorityClassName: system-node-critical
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{{- end }}
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{{- end }}
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{{- define "spire-lib.default_cluster_priority_class_name" }}
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{{- if .Values.priorityClassName }}
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priorityClassName: {{ .Values.priorityClassName }}
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{{- else if and (dig "spire" "recommendations" "enabled" false .Values.global) (dig "spire" "recommendations" "priorityClassName" true .Values.global) }}
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priorityClassName: system-cluster-critical
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{{- end }}
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{{- end }}
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{{/*
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Use autoscaling/v2 (Kubernetes 1.23 and newer) or autoscaling/v2beta2 (Kubernetes 1.12-1.25) based on cluster capabilities.
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Anything lower has an incompatible API.
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*/}}
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{{- define "spire-lib.autoscalingVersion" -}}
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{{- if (.Capabilities.APIVersions.Has "autoscaling/v2") }}
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{{- print "autoscaling/v2" }}
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{{- else if (.Capabilities.APIVersions.Has "autoscaling/v2beta2") }}
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{{- print "autoscaling/v2beta2" }}
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{{- else }}
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{{- fail "Unsupported autoscaling API version" }}
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{{- end }}
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{{- end }}
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