add autovault helm chart

autovault/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "autovault.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "autovault.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "autovault.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "autovault.labels" -}}
+helm.sh/chart: {{ include "autovault.chart" . }}
+{{ include "autovault.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "autovault.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "autovault.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "autovault.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "autovault.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

autovault/templates/configmap.yaml

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+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: {{ include "autovault.fullname" . }}-scripts
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+data:
+  autovault.sh: |
+    #!/bin/bash
+
+    HOME=/vault/data
+    while [[ "$(curl -L -s -o /dev/null -w ''%{http_code}'' {{ .Values.vaultUrl }})" != "200" ]]; do sleep 5; done
+
+    export VAULT_ADDR={{ .Values.vaultUrl }}
+
+    INITIALIZED=$(vault status -format=json | jq -r '.initialized')
+
+    SEALED=$(vault status -format=json | jq -r '.sealed')
+
+    if [[ "$INITIALIZED" == "false" ]] ; then
+      vault operator init -key-threshold=1 -key-shares=1 -format=json > /vault/data/keys.json
+    fi
+
+    if [[ "$SEALED" == "true" ]] ; then
+      KEY=$(cat /vault/data/keys.json | jq -r '.unseal_keys_b64[0]')
+      vault operator unseal $KEY
+    fi
+
+    export VAULT_TOKEN=$(cat /vault/data/keys.json | jq -r '.root_token')
+
+    KV_ENABLED=$(vault secrets list | grep -i kv)
+    if [[ -z "$KV_ENABLED" ]] ; then
+      vault secrets enable -version=2 kv
+    fi
+
+    USERPASS_ENABLED=$(vault auth list | grep -i userpass)
+    if [[ -z "$USERPASS_ENABLED" ]] ; then
+      vault auth enable userpass
+    fi
+
+    APPROLE_ENABLED=$(vault auth list | grep -i approle)
+    if [[ -z "$APPROLE_ENABLED" ]] ; then
+      vault auth enable approle
+    fi
+
+    echo
+    echo "----------------------------------------------------------------"
+    echo
+    echo "Vault root token: ${VAULT_TOKEN}"
+    echo
+    echo "----------------------------------------------------------------"
+    echo
+
+    for APPROLE in {{ join " " .Values.autovaultGenSecretsApps }}; do
+      APPROLE_CREATED=$(vault read auth/approle/role/"$APPROLE"/role-id)
+      if [[ -z "$APPROLE_CREATED" ]] ; then
+        vault write -f auth/approle/role/"$APPROLE"
+      fi
+      kubectl get secret vault-secret-"$APPROLE" || \
+        { APPROLE_ROLE_ID=$(vault read auth/approle/role/"$APPROLE"/role-id | grep "role_id\s" | awk '{print $2}') ; \
+        APPROLE_SECRET_ID=$(vault write -f auth/approle/role/"$APPROLE"/secret-id | grep "secret_id\s" | awk '{print $2}') ; \
+        kubectl create secret generic vault-secret-"$APPROLE" --from-literal=rootToken="$VAULT_TOKEN" --from-literal=roleId="$APPROLE_ROLE_ID" --from-literal=secretId="$APPROLE_SECRET_ID" ;
+        echo "$APPROLE    role-id = $APPROLE_ROLE_ID" ; }
+    done
+
+    vault auth list
+

autovault/templates/cronjob.yaml

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+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ include "autovault.fullname" . }}
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+spec:
+  concurrencyPolicy: Forbid
+  schedule: {{ .Values.autovaultSchedule | quote }}
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      backoffLimit: 2
+      activeDeadlineSeconds: 300
+      template:
+        spec:
+          serviceAccountName: {{ include "autovault.fullname" . }}
+          restartPolicy: Never
+          {{- with .Values.imagePullSecrets }}
+          imagePullSecrets:
+            {{- toYaml . | nindent 8 }}
+          {{- end }}
+          containers:
+            - name: autovault
+              image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+              imagePullPolicy: {{ .Values.image.pullPolicy }}
+              volumeMounts:
+              - name: {{ include "autovault.fullname" . }}-data
+                mountPath: /vault/data
+              - name: {{ include "autovault.fullname" . }}-scripts
+                mountPath: /vault/scripts
+              command: [ "/bin/bash", "-c", "/vault/scripts/autovault.sh" ]
+          volumes:
+          - name: {{ include "autovault.fullname" . }}-data
+            persistentVolumeClaim:
+              claimName: {{ include "autovault.fullname" . }}-data
+          - name: {{ include "autovault.fullname" . }}-scripts
+            configMap:
+              name: {{ include "autovault.fullname" . }}-scripts
+              defaultMode: 0777
+          {{- with .Values.nodeSelector }}
+          nodeSelector:
+            {{- toYaml . | nindent 8 }}
+          {{- end }}
+          {{- with .Values.affinity }}
+          affinity:
+            {{- toYaml . | nindent 8 }}
+          {{- end }}
+          {{- with .Values.tolerations }}
+          tolerations:
+            {{- toYaml . | nindent 8 }}
+          {{- end }}

autovault/templates/pvc.yaml

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+---
+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ template "autovault.fullname" . }}-data
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+{{- if .Values.persistence.annotations }}
+  annotations:
+{{ toYaml .Values.persistence.annotations | indent 4 }}
+{{- end }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+{{- if .Values.persistence.storageClass }}
+{{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+{{- else }}
+  storageClassName: "{{ .Values.persistence.storageClass }}"
+{{- end }}
+{{- end }}
+{{- end }}

autovault/templates/role.yaml

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+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ include "autovault.fullname" . }}
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+rules:
+  - apiGroups: [""]
+    resources: ["pods"]
+    verbs: ["list", "get", "watch", "create", "delete"]
+  - apiGroups: [""]
+    resources: ["pods/exec"]
+    verbs: ["create"]
+  - apiGroups: [""]
+    resources: ["pods/log"]
+    verbs: ["get"]
+  - apiGroups: [""]
+    resources: ["pods/attach"]
+    verbs: ["list", "get", "create", "delete", "update"]
+  - apiGroups: [""]
+    resources: ["secrets"]
+    verbs: ["list", "get", "create", "delete", "update"]
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    verbs: ["list", "get", "create", "delete", "update"]

autovault/templates/rolebinging.yaml

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+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ include "autovault.fullname" . }}
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  name: {{ include "autovault.fullname" . }}
+  kind: Role
+subjects:
+- kind: ServiceAccount
+  name: {{ include "autovault.fullname" . }}
+  namespace: {{ .Release.Namespace }}

autovault/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "autovault.serviceAccountName" . }}
+  labels:
+    {{- include "autovault.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}