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feat: add K8s token rotation
This commit is contained in:
Pierre Mavro
committed by
Pierre Mavro
Pierre Mavro
parent
c95081f79d
commit
48f41ff69a
@@ -0,0 +1,6 @@
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apiVersion: v2
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appVersion: 0.1.3
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description: Rotate Kubernetes Digital Ocean token and store it on space
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name: do-k8s-token-rotate
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type: application
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version: 0.1.3
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@@ -0,0 +1,62 @@
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "k8s-token-rotate.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 "k8s-token-rotate.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 "k8s-token-rotate.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 "k8s-token-rotate.labels" -}}
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helm.sh/chart: {{ include "k8s-token-rotate.chart" . }}
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{{ include "k8s-token-rotate.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 "k8s-token-rotate.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "k8s-token-rotate.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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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 "k8s-token-rotate.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "k8s-token-rotate.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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@@ -0,0 +1,31 @@
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{{- $kubefullname := include "k8s-token-rotate.fullname" . }}
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apiVersion: batch/v1beta1
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kind: CronJob
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metadata:
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name: {{ include "k8s-token-rotate.fullname" . }}
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labels:
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{{- include "k8s-token-rotate.labels" . | nindent 4 }}
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spec:
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schedule: {{ .Values.schedule | quote }}
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concurrencyPolicy: Replace
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failedJobsHistoryLimit: 3
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successfulJobsHistoryLimit: 1
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jobTemplate:
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spec:
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template:
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spec:
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containers:
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- name: k8s-token-rotate
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image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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env:
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{{ range $key, $value := .Values.environmentVariables -}}
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- name: "{{ $key }}"
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valueFrom:
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secretKeyRef:
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name: {{ $kubefullname }}
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key: {{ $key }}
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{{ end }}
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resources:
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{{- toYaml .Values.engineResources | nindent 16 }}
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restartPolicy: OnFailure
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@@ -0,0 +1,9 @@
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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ include "k8s-token-rotate.fullname" . }}
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labels:
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{{- include "k8s-token-rotate.labels" . | nindent 4 }}
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type: Opaque
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stringData:
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{{- toYaml .Values.environmentVariables | nindent 2 }}
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@@ -0,0 +1,13 @@
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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "k8s-token-rotate.serviceAccountName" . }}
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namespace: {{ .Values.namespace }}
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labels:
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{{- include "k8s-token-rotate.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end }}
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@@ -0,0 +1,39 @@
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image:
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repository: qoveryrd/do-k8s-token-rotate
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pullPolicy: IfNotPresent
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tag: "0.1.3"
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nameOverride: ""
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fullnameOverride: ""
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labels:
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app: k8s-token-rotate
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schedule: "0 12 * * */1"
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environmentVariables:
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DO_API_TOKEN: ""
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SPACES_KEY_ACCESS: ""
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SPACES_SECRET_KEY: ""
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SPACES_BUCKET: ""
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SPACES_REGION: ""
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SPACES_FILENAME: ""
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K8S_MAX_EXPIRY_TOKEN: "561600"
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K8S_CLUSTER_ID: ""
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serviceAccount:
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# Specifies whether a service account should be created
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create: true
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# Annotations to add to the service account
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annotations: {}
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# The name of the service account to use.
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# If not set and create is true, a name is generated using the fullname template
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name: ""
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resources:
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limits:
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cpu: 10m
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memory: 64Mi
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requests:
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cpu: 10m
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memory: 64Mi
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53
lib/digitalocean/bootstrap/helm-k8s-token-rotate.j2.tf
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53
lib/digitalocean/bootstrap/helm-k8s-token-rotate.j2.tf
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@@ -0,0 +1,53 @@
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resource "helm_release" "k8s_token_rotate" {
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name = "k8s-token-rotate"
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chart = "charts/do-k8s-token-rotate"
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namespace = "kube-system"
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atomic = true
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max_history = 50
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force_update = true
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// make a fake arg to avoid TF to validate update on failure because of the atomic option
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set {
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name = "fake"
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value = timestamp()
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}
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set {
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name = "environmentVariables.DO_API_TOKEN"
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value = "{{ digitalocean_token }}"
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}
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set {
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name = "environmentVariables.SPACES_KEY_ACCESS"
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value = "{{ spaces_access_id }}"
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}
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set {
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name = "environmentVariables.SPACES_SECRET_KEY"
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value = "{{ spaces_secret_key }}"
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}
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set {
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name = "environmentVariables.SPACES_BUCKET"
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value = digitalocean_spaces_bucket.space_bucket_kubeconfig.name
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}
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set {
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name = "environmentVariables.SPACES_REGION"
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value = var.region
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}
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set {
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name = "environmentVariables.SPACES_FILENAME"
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value = digitalocean_spaces_bucket_object.upload_kubeconfig.key
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}
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set {
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name = "environmentVariables.K8S_CLUSTER_ID"
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value = digitalocean_kubernetes_cluster.kubernetes_cluster.id
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}
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depends_on = [
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digitalocean_kubernetes_cluster.kubernetes_cluster
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]
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}
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@@ -57,6 +57,10 @@ charts:
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- name: pleco
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version: 0.3.3
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repo_name: pleco
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- name: do-k8s-token-rotate
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version: 0.1.3
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dest: do-bootstrap
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repo_name: do-k8s-token-rotate
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repos:
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- name: stable
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@@ -73,11 +77,15 @@ repos:
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url: https://grafana.github.io/loki/charts
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- name: pleco
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url: https://qovery.github.io/pleco/
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- name: do-k8s-token-rotate
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url: https://qovery.github.io/do-k8s-token-rotate/
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destinations:
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- name: default
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path: common/bootstrap/charts
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- name: aws-bootstrap
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path: aws/bootstrap/charts
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- name: do-bootstrap
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path: digitalocean/bootstrap/charts
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- name: services
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path: common/services
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