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Provide config secret and use tpl function for providers and extraArgs

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
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Jan-Otto Kröpke 2022-11-27 08:59:11 +01:00
parent 00752b4b63
commit 4d67573e5b
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5 changed files with 75 additions and 5 deletions
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3
charts/external-dns/README.md
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@ -70,3 +70,6 @@ The following table lists the configurable parameters of the _ExternalDNS_ chart
| `provider` | DNS provider where the DNS records will be created, for the available providers and how to configure them see the [README](https://github.com/kubernetes-sigs/external-dns#deploying-to-a-cluster). | `aws` |
| `extraArgs` | Extra arguments to pass to the _external-dns_ container, these are needed for provider specific arguments. | `[]` |
| `deploymentStrategy` | .spec.strategy of the external-dns Deployment. Defaults to 'Recreate' since multiple external-dns pods may conflict with each other. | `{type: Recreate}` |
| `secretConfiguration.enabled` | Enable additional secret configuration | `{type: Recreate}` |
| `secretConfiguration.mountPath` | Mount path of secret configuration | `{type: Recreate}` |
| `secretConfiguration.data` | Additional secret configuration. Can be used to store dns provider credentials | `{type: Recreate}` |

28
charts/external-dns/templates/deployment.yaml
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@ -23,9 +23,14 @@ spec:
{{- with .Values.podLabels }}
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.podAnnotations }}
{{- if or .Values.secretConfiguration.enabled .Values.podAnnotations }}
annotations:
{{- if .Values.secretConfiguration.enabled }}
checksum/secret: {{ include (print $.Template.BasePath "/secret.yaml") . | sha256sum }}
{{- end }}
{{- with .Values.podAnnotations }}
{{- toYaml . | nindent 8 }}
{{- end }}
{{- end }}
spec:
{{- with .Values.imagePullSecrets }}
@ -87,9 +92,9 @@ spec:
{{- range .Values.domainFilters }}
- --domain-filter={{ . }}
{{- end }}
- --provider={{ .Values.provider }}
- --provider={{ tpl .Values.provider $ }}
{{- range .Values.extraArgs }}
- {{ . }}
- {{ tpl . $ }}
{{- end }}
ports:
- name: http
@ -99,17 +104,30 @@ spec:
{{- toYaml .Values.livenessProbe | nindent 12 }}
readinessProbe:
{{- toYaml .Values.readinessProbe | nindent 12 }}
{{- with .Values.extraVolumeMounts }}
{{- if or .Values.secretConfiguration.enabled .Values.extraVolumeMounts }}
volumeMounts:
{{- if .Values.secretConfiguration.enabled }}
- name: secrets
mountPath: {{ tpl .Values.secretConfiguration.mountPath $ }}
{{- end }}
{{- with .Values.extraVolumeMounts }}
{{- toYaml . | nindent 12 }}
{{- end }}
{{- end }}
{{- with .Values.resources }}
resources:
{{- toYaml . | nindent 12 }}
{{- end }}
{{- with .Values.extraVolumes }}
{{- if or .Values.secretConfiguration.enabled .Values.extraVolumes }}
volumes:
{{- if .Values.secretConfiguration.enabled }}
- name: secrets
secret:
secretName: {{ include "external-dns.fullname" . }}
{{- end }}
{{- with .Values.extraVolumes }}
{{- toYaml . | nindent 8 }}
{{- end }}
{{- end }}
{{- with .Values.nodeSelector }}
nodeSelector:

13
charts/external-dns/templates/secret.yaml Normal file
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@ -0,0 +1,13 @@
{{- if .Values.secretConfiguration.enabled }}
apiVersion: v1
kind: Secret
metadata:
name: {{ include "external-dns.fullname" . }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "external-dns.labels" . | nindent 4 }}
data:
{{- range $key, $value := .Values.secretConfiguration.data }}
{{ $key }}: {{ tpl $value $ | b64enc | quote }}
{{- end }}
{{- end }}

31
charts/external-dns/values.schema.json Normal file
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@ -0,0 +1,31 @@
{
"$schema": "http://json-schema.org/draft-07/schema",
"type": "object",
"properties": {
"provider": {
"type": "string"
},
"extraArgs": {
"type": "array",
"items": {
"type": "string"
}
},
"secretConfiguration": {
"type": "object",
"properties": {
"mountPath": {
"type": "string"
},
"data": {
"type": "object",
"patternProperties": {
".+": {
"type": "string"
}
}
}
}
}
}
}

5
charts/external-dns/values.yaml
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@ -126,5 +126,10 @@ provider: aws
extraArgs: []
secretConfiguration:
enabled: false
mountPath: /.aws/credentials
data: {}
deploymentStrategy:
type: Recreate